Many founders of fast-growing technology and data businesses incorporated outside the United Kingdom reach a point where a UK holding structure becomes strategically desirable or essential. Investors push for it. Term sheets require it. And sometimes the founders themselves simply want the governance, credibility, and optionality that a UK-registered company brings.

The mechanism most commonly used to achieve this – without dissolving the operating company and starting again – is the share-for-share exchange: shareholders transfer their shares in the existing operating company to a newly incorporated UK holding company, and in return receive shares in that UK holdco on a proportionate basis. Done correctly, the operating company continues trading without interruption, the shareholder register migrates upward, and the group emerges with a UK parent sitting above the original entity.

This guide explains why founders choose to restructure this way, how the process works, what you need to think about before starting, and what documents you will typically need.

This guide is provided for general informational purposes only and does not constitute legal or other professional advice.

Why Move to the UK?

Investor Expectations

The single most common driver is investor preference. Many venture capital and growth equity investors –  particularly those based in the UK or operating under UK fund structures – strongly prefer, or contractually require, that the group’s holding company be a UK company incorporated under the Companies Act 2006 (the “CA 2006“). A UK private limited company (aka private company limited by shares) is a familiar, well-regulated vehicle with predictable governance mechanics, established case law, and widely understood constitutional documents. An investor negotiating a shareholders’ agreement does not want to grapple with the corporate law of a less familiar jurisdiction if they can avoid it.

If you are preparing for a Series A or Series B round, or approaching institutional investors, presenting a UK parent company will almost always accelerate the process and reduce friction in legal due diligence.

Access to UK Capital Markets and Ecosystems

A UK holding company positions the group to access the London Stock Exchange, AIM, and the broader UK capital markets ecosystem more naturally. It also facilitates participation in UK government-backed funding mechanisms, including the Enterprise Investment Scheme (EIS) and the Seed Enterprise Investment Scheme (SEIS), which provide significant tax reliefs to qualifying investors in qualifying UK companies. Access to these reliefs can materially increase the pool of angel and early-stage capital available to your business.

Credibility and Commercial Relationships

For businesses scaling into the UK market, having a UK-registered entity often simplifies commercial relationships. Enterprise clients, regulated counterparties, and government procurement programmes frequently require or prefer contracting with a UK entity. A UK holdco also provides a clean, single point of accountability for group IP, data protection compliance under the UK GDPR and Data Protection Act 2018, and regulatory interactions with bodies such as the Financial Conduct Authority (FCA) or the Competition and Markets Authority (CMA).

Talent and Employee Incentives

The UK’s Enterprise Management Incentives (EMI) scheme is one of the most generous employee share option programmes in the world. Under the scheme, a qualifying UK company can grant tax-advantaged options over its own shares to eligible employees. For a group with a UK Holdco, the options would be granted over Holdco shares – which works well structurally, as the Holdco sits at the top of the group.

However, the practical relevance of EMI depends entirely on where the group’s employees are based and who employs them. The UK tax advantages of EMI – principally the deferral of income tax on exercise and the potential for favourable capital gains tax treatment on disposal – flow to employees who are UK tax resident and subject to UK income tax. If the Holdco is purely a holding vehicle and all staff are employed by a non-UK OpCo in a foreign jurisdiction, those employees’ local jurisdiction will determine how any option gain is taxed.

EMI therefore becomes directly relevant once the group begins hiring employees who will work in the UK – whether employed by the Holdco itself, a future UK trading subsidiary, or (in some circumstances) by a qualifying non-UK subsidiary carrying on trading activities. At that point, putting an EMI scheme in place can be a highly effective and tax-efficient tool for recruiting and retaining key talent. Structuring the group under a UK Holdco from the outset means the corporate conditions for EMI qualification can be put in place in advance, so that the scheme is ready to be used when UK hiring begins.

Note also that the Finance Act 2026 materially expanded the EMI scheme from 6 April 2026: the gross asset limit for qualifying companies has increased from £30 million to £120 million, the employee headcount limit from 250 to 500 full-time equivalent employees, the maximum exercise period from 10 to 15 years, and the total value of shares under unexercised EMI options from £3 million to £6 million. These changes bring a significantly wider range of scaling companies within the scope of the scheme.

Founder and Shareholder Exit Planning

The UK has a well-developed M&A market and mature exit infrastructure. Structuring your group under a UK holdco can make an eventual trade sale or IPO more straightforward, because buyers and underwriters are dealing with familiar constitutional documents, company law, and market practice.

How a Share-for-Share Exchange Works

At its core, a share-for-share exchange involves the following steps:

1. A new UK company (the “Holdco“) is incorporated. At this stage it has nominal share capital and no assets.
2. Each shareholder in the operating company (the “OpCo“) agrees to transfer their shares in the OpCo to the Holdco.
3. In consideration for receiving the OpCo shares, the Holdco allots new shares to each transferring shareholder.
4. The exchange is structured so that each shareholder’s economic interest in the group is preserved – they held, say, 19% of the OpCo; they now hold 19% of the Holdco, which in turn owns 100% of the OpCo.
5. The result is that the OpCo becomes a wholly owned subsidiary of the Holdco, and the shareholder register has effectively migrated up one level.

The ratio at which Holdco shares are issued in exchange for OpCo shares is determined by reference to a valuation of the OpCo, or – in many founder-led businesses at early stages – by agreement among the shareholders on the basis that the exchange is entirely proportionate and no value is extracted or redistributed.

What to Think About Before You Start

Tax Considerations

Tax Analysis in the OpCo’s Jurisdiction and for Transferring Shareholders

The tax treatment of a share-for-share exchange is highly dependent on the jurisdiction in which the OpCo is incorporated and the tax residency of its shareholders. In some countries, a share exchange may be tax-neutral; in others, it may trigger an immediate capital gains tax charge for the transferring shareholders.

Within the European Union, the EU Merger Directive (Council Directive 2009/133/EC) provides for tax deferral on qualifying share exchanges, but the UK is no longer a member of the EU. As a result, a share exchange involving a UK Holdco and an EU OpCo will not automatically benefit from the Directive. The exchange may be treated by the relevant EU member state tax authority as a disposal of the OpCo shares at market value, crystallising a taxable gain for the transferring shareholders at the point of exchange.

Local tax advice in the OpCo’s jurisdiction is essential. The analysis should cover:

1. whether any domestic equivalent of the EU Merger Directive relief is available;
2. how the shareholder’s tax residency affects the analysis (and also individual vs corporate shareholder implications);
3. whether any exemptions or reliefs apply to the specific facts; and
4. what documentation is required to support the intended tax treatment.

Where founders or early shareholders hold their OpCo shares personally (i.e., as individuals), the local tax analysis may produce a different – and often less favourable – result compared to shares held by a corporate entity. In some jurisdictions, domestic legislation or tax treaty provisions may provide for rollover or deferral treatment for corporate shareholders participating in a share exchange where no such treatment is available to individual shareholders.

If local tax advice indicates that an individual shareholder would crystallise a taxable gain on participation in the exchange, but a corporate vehicle would not, it may be necessary for each affected individual to first transfer their OpCo shares to a wholly owned company (which then participates in the exchange in their place). This corporate interposition step requires its own careful legal and tax analysis – both as to whether the initial transfer from individual to vehicle is itself a taxable event, and as to the mechanics of structuring it correctly.

By way of example:

• for an individual who is UK tax resident, a disposal of shares in the OpCo would ordinarily be a disposal for capital gains tax (“CGT“) purposes. Unless a relief applies, a charge to CGT would crystallise based on the market value of the OpCo shares at the date of signing the agreement to dispose of them. However, if certain conditions are met, the share reorganisation rules under section 135 of the Taxation of Chargeable Gains Act 1992 (“TCGA 1992“) can apply. Where they do, the exchange is not treated as a disposal: the Holdco shares received are treated as the same asset as the OpCo shares originally held, retaining the original CGT base cost. Any gain is therefore deferred until the Holdco shares are eventually sold;
• Section 135 TCGA 1992 applies also to corporate shareholders. Companies do not pay CGT as such; instead, chargeable gains are subject to corporation tax computed under TCGA 1992 rules. The reorganisation treatment under s.135 defers that corporation tax charge on exactly the same basis as it defers CGT for individuals: the OpCo shares and the Holdco shares are treated as the same asset, and no charge crystallises until the Holdco shares are eventually disposed of. Corporate shareholders may also benefit from other relevant exemptions;
• the share reorganisation relief under s.135 is subject to the anti-avoidance provision in section 137 TCGA 1992. The statutory language of s.137(1) explicitly covers both CGT and corporation tax: the relief does not apply if the exchange forms part of a scheme or arrangement the main purpose, or one of the main purposes, of which is avoidance of liability to capital gains tax or corporation tax;
• in some cases, it may be advisable to seek advance clearance from HMRC under section 138 TCGA 1992. An application under s.138 asks HMRC to confirm that it is satisfied the exchange will be effected for bona fide commercial reasons and will not form part of any scheme or arrangement caught by s.137. Clearance, if granted, provides certainty before completion. It does not, however, confirm that the technical conditions of s.135 are satisfied – that analysis must be carried out separately;
• founders and shareholders should be aware of a significant recent tightening of the anti-avoidance rules. The Finance Act 2026 (2026 c. 11) has enacted amendments to s.137 TCGA 1992 that took effect for share issues made on or after 26 November 2025. Under the revised rule, rather than examining the purpose of the overall reorganisation, the test now focuses on whether a person has entered into arrangements where the main purpose, or one of the main purposes, was to secure a tax advantage. The previous 5% de minimis carve-out in s.137(2) – which previously allowed holders of 5% or less of the shares to benefit from s.135 regardless of the anti-avoidance test – is also being removed. For straightforward commercial restructurings of the kind described in this article, the change should not affect the outcome, but it reinforces the importance of ensuring the transaction is properly documented as being driven by bona fide commercial reasons, and of considering whether to seek HMRC clearance under s.138 where there is any complexity.

UK Tax Treatment of the Share-for-Share Exchange

From a UK perspective, the share-for-share exchange mechanics are generally straightforward for the Holdco: it acquires the OpCo shares at market value and issues shares in consideration. There is no UK stamp duty on the issue of new Holdco shares to incoming shareholders.

UK Tax Position of the Holdco: Ongoing Obligations

Once the structure is in place, the UK Holdco will be subject to a number of ongoing UK tax obligations and potential exposures. These sit alongside – and are distinct from – the tax position of the transferring shareholders, and should be considered as part of the overall structuring analysis.

Corporation tax registration and filing. A company incorporated in the UK is generally treated as UK tax resident and subject to UK corporation tax on its worldwide profits, although exceptions can arise, including under a double tax treaty. The Holdco must register with HMRC for corporation tax purposes and file annual returns. In the early stages of the group’s life the Holdco may have minimal taxable income – it is primarily a holding vehicle – but registration and annual compliance obligations apply regardless.

It is also possible for a company to be treated as tax resident in more than one jurisdiction under different domestic rules (often referred to as dual tax residence). This can create administrative complexity and, in some cases, expose the company to overlapping tax claims, with the position then needing to be resolved under the relevant double tax treaty (where available). Advice should therefore be sought on the Holdco’s residence position from the outset.

Payroll taxes and PAYE. The Holdco must register for PAYE with HMRC if it remunerates any employee or director who carries out duties in the UK, or if it provides benefits to any such person. Any applicable income tax must be accounted for via PAYE, and both employee and employer National Insurance contributions will arise. Advice should be taken on the optimal remuneration structure for the Holdco’s directors and any employees from the outset. Also see the section on A Payroll Provider (under Working with Advisors).

Withholding taxes on dividends from OpCo. Once the Holdco owns 100% of the OpCo, dividends paid by the OpCo to the Holdco may be subject to withholding tax under the laws of the OpCo’s jurisdiction. The applicable rate will depend on that jurisdiction’s domestic law and, where relevant, any bilateral double tax treaty between the UK and that jurisdiction, provided the conditions for treaty relief are satisfied. This can represent a material ongoing cost to the group and should be modelled carefully before the restructuring is finalised.

Controlled Foreign Companies rules. The UK has rules designed to prevent profits being shifted to companies in lower-tax jurisdictions. In broad terms, once the Holdco controls the OpCo, the OpCo may fall within these rules.

If they apply, a portion of the OpCo’s profits can be taxed in the UK at the level of the Holdco, even if those profits have not been distributed as dividends. This is often an unexpected outcome and can affect the overall tax efficiency of the structure.

In practice, however, a number of exemptions are available, and many ordinary commercial structures fall outside the scope of a CFC charge. For example, exemptions may apply where:

• the OpCo is based in a jurisdiction with a comparable level of taxation to the UK;
• the OpCo’s profits are relatively low; or
• the OpCo is carrying on genuine economic activity and is not artificially diverting profits.

Whether the CFC rules apply will depend heavily on the specific facts, and the position should be reviewed as part of the overall tax analysis before implementing the structure.

Where a CFC charge does arise, relief may be available (for example, through foreign tax credits) to reduce the risk of double taxation.

Cap Table Clarity and Valuation

Before any exchange can be documented, the OpCo’s cap table must be fully understood and agreed. This means:

1. identifying every shareholder and the exact class and number of shares they hold;
2. identifying any convertible instruments, options, warrants, or other equity-like rights that could affect the share count or the exchange ratio;
3. agreeing on a valuation basis for the OpCo shares – whether by formal independent valuation, by reference to a recent funding round, or by agreement among the shareholders; and
4. confirming the intended Holdco share structure: how many shares, in what classes, at what nominal value, with what rights.

Any ambiguity in the OpCo cap table will create problems. This is also the right moment to clean up any informal arrangements, undocumented transfers, or legacy founder agreements that have not been properly reflected in the corporate record.

Existing Employee Share Options

If employees of the OpCo have been granted options over OpCo shares – whether under a formal plan established under the OpCo’s local law or under an informal arrangement – those options will need careful attention as part of the restructuring. Depending on the terms of the option plan and the local law governing it, the share-for-share exchange may trigger a change-of-control provision that accelerates vesting, gives option holders a right to exercise, or causes the options to lapse if not exercised within a specified period.

The typical commercial approach is to cancel the existing OpCo options and issue replacement options over Holdco shares on economically equivalent terms – preserving the option holders’ economic position and incentive alignment within the new group structure. This rollover requires each option holder’s individual consent (the old options are cancelled in exchange for new ones), and the new Holdco option plan will need to be established and the grant properly documented.

The local tax treatment of the cancellation and replacement must be confirmed with advisers in each relevant jurisdiction before the rollover is implemented. In some jurisdictions, cancelling existing options and issuing replacement options may be treated as a taxable receipt for the option holder (on the basis that the new options represent a benefit received in exchange for surrendering the old ones), while other jurisdictions may treat the exchange as tax-neutral. This analysis must be completed before the transaction is signed, not left to be resolved after completion.

Existing Shareholder Agreements and Constitutional Documents

If there is an existing shareholders’ agreement governing the OpCo, it will need to be reviewed carefully. It may contain:

1. transfer restrictions (pre-emption rights, drag-along, tag-along, consent requirements) that are triggered by the proposed transfer of shares to the Holdco;
2. change-of-control provisions that may be triggered by the restructuring. Although the ultimate beneficial ownership of the business does not change – the same founders and investors continue to own it, now through Holdco rather than directly – many shareholders’ agreements define “change of control” by reference to who directly holds the shares or voting rights in the company rather than by reference to ultimate beneficial ownership. On a literal reading of most standard definitions, the share-for-share exchange would therefore constitute a change of control at OpCo level, because OpCo’s direct shareholder changes from the original shareholders (multiple individuals and entities) to a single UK corporate parent (Holdco). Better-drafted agreements -particularly those negotiated with professional investors – will include a carve-out for group reorganisations or internal restructurings where ultimate beneficial ownership is unchanged. Whether that carve-out exists, and whether this transaction falls within it, is one question to resolve when reviewing the OpCo shareholders’ agreement; and/ or
3. restrictive covenants, non-competes, or operational restrictions that may be affected by the restructuring.

In practical terms, where there are institutional investors on the OpCo cap table, their approval will almost always be required for a restructuring of this kind – regardless of whether the existing documents are expressly clear on the point. A share-for-share exchange that interposes a new Holdco above the OpCo fundamentally changes the ownership structure that investors bargained for, and most institutional investors will not permit it without their consent. Even where the existing shareholders’ agreement is silent or ambiguous as to the specific mechanics of the exchange, investors will assert that consent is required as a matter of commercial practice, and their legal advisers will review the transaction documents accordingly.

Obtaining investor consent will in almost all cases be a gating condition to the transaction proceeding. In addition to consenting to the restructuring itself, investors will typically require negotiation and execution of a new Holdco-level shareholders’ agreement before they confirm their consent. Founders should factor this into their project timeline and engage investors at an early stage, not as an afterthought once the transaction documents are in draft.

A question that arises in practice is whether the existing OpCo shareholders’ agreement can simply be converted into a Holdco-level agreement, preserving the commercial terms agreed between the parties and making only the minimum changes required to cater for UK corporate law.

The short answer is that it can be done, but whether the result will be satisfactory depends entirely on what the starting document looks like. The commercial substance – reserved matters, information rights, drag-along and tag-along mechanics, anti-dilution protections, and so on – can largely be carried across unchanged, and for parties who are comfortable with the approach, a conversion of this kind can save time and avoid reopening commercial negotiations.

However, the OpCo agreement will inevitably contain references to the corporate law of its original jurisdiction: concepts, statutory cross-references, and procedural mechanics that do not translate directly into a Companies Act 2006 framework. Adapting these requires more than a find-and-replace exercise, and the resulting document can end up with wording that is technically workable but reads as unfamiliar to UK counsel reviewing it on behalf of incoming investors.

The governing law and jurisdiction clause will also (ideally) need to shift to English law and the courts of England and Wales, and any provisions that depend on the structural or procedural rules of the original jurisdiction may need substantive reworking rather than cosmetic amendment. Where the original agreement was drafted in English and already followed broadly Anglo-Saxon market conventions (as is common for agreements used by companies that have already raised funds from international investors), a conversion approach is often viable and produces a clean result. If the original agreement was drafted under civil law conventions or in a local language and subsequently translated, the effort required to adapt it into a document that reads and operates as a standard English law agreement is likely to be more substantial than starting afresh, and may not be the most effective approach compared to preparing a new draft altogether.

Banking, Finance, and Commercial Contracts

Any debt facilities, banking arrangements, or material commercial contracts should be reviewed for change-of-control triggers. The transfer of 100% of the OpCo shares to the Holdco will typically constitute a change of control under most standard financing agreements and many enterprise contracts. Lender consent or counterparty notification may be required before completion.

Employment and Regulatory Considerations

A share-for-share exchange does not, of itself, have any effect on the employment position of staff working in the OpCo. The employer remains the OpCo throughout – only the ownership of the OpCo changes, not its identity as a legal entity. OpCo’s employees retain the same employer, the same contracts, and the same terms and conditions.

Employment law considerations can become relevant later, however, if the group decides to restructure how services are delivered – for example, if the Holdco were to bring OpCo functions in-house and transfer staff to a UK entity, or if the intercompany services arrangement were materially changed so as to constitute a service provision change. Those are distinct operational decisions that would need to be analysed on their own facts at the relevant time.

What is relevant at the point of the share-for-share exchange is the regulatory change-of-control question. Where the OpCo holds sector-specific licences, regulatory authorisations, or other permits, a change of control at the level of the OpCo’s ultimate parent – even where OpCo itself is unchanged – may trigger notification or approval obligations under the applicable regulatory regime. This will depend entirely on how the relevant licences and regulatory frameworks define “change of control”, and local regulatory advice should be sought as part of the pre-transaction scoping exercise.

The Transaction Process

A straightforward share-for-share exchange typically proceeds in the following sequence:

1. Preliminary scoping is done and tax advice obtained;
2. Cap table review and valuation agreed, including identification of all existing option holders and the terms of any option plan;
3. Where required, individual founders transfer personal OpCo shareholdings to their wholly owned corporate vehicles (the “interposition step”), with each such transfer documented and any applicable local tax treatment confirmed;
4. Holdco incorporated in England and Wales (or Scotland or Northern Ireland, as preferred) under the CA 2006, with appropriate articles of association and initial share structure;
5. Share-for-share exchange agreement (or share purchase agreement structured to implement the exchange) negotiated and executed between each shareholder and the Holdco;
6. Holdco board resolutions passed to approve the allotment of Holdco shares in exchange for the OpCo shares;
7. OpCo board resolutions (and, if required, OpCo shareholder resolutions) approving the transfer and registration of the new shareholder (the Holdco);
8. Where an existing shareholders’ agreement governs the OpCo, negotiation and execution of a termination of that agreement as part of the completion package. This step requires careful attention: the company and founders will typically seek a clean break, including mutual waivers and releases of any accrued claims under the old agreement, whereas investors will often resist a full release and insist on preserving any rights that vested before completion (for example, warranty claims or covenant breaches that pre-date the restructuring). The scope of any waiver – whether it covers all accrued claims or only prospective rights – is a negotiating point and should be addressed expressly in the termination deed rather than left to implication;
9. Where existing OpCo employee options are being rolled over, negotiation and execution of individual option cancellation and replacement agreements with each option holder, together with adoption of the new Holdco option plan. Local tax advice on the treatment of the rollover in each relevant jurisdiction should be confirmed before this step proceeds;
10. Completion: transfer instruments executed, Holdco share certificates (or electronic equivalents) issued, OpCo register of members updated to reflect the Holdco as sole shareholder;
11. Post-completion filings made at Companies House (UK) and at the relevant company registry in the OpCo’s jurisdiction; and
12. New group-level governance put in place: Holdco shareholders’ agreement, updated constitutional documents, board composition, and (where applicable) intercompany agreements.

Documents Typically Required

The core transaction documents will typically include some or all of the following:

1. Share transfer agreement (or share for share exchange agreement) – the principal agreement documenting the exchange, the consideration (Holdco shares), representations and warranties, and conditions to completion. Where local tax requirements in the OpCo’s jurisdiction impose constraints on the form or content of the transfer document, the agreement will need to be drafted in close coordination with local counsel;
2. Holdco articles of association – entirely bespoke or based on the CA 2006 model articles, reflecting the agreed share structure and governance mechanics;
3. Holdco board resolutions – approving the allotment of shares, the execution of transaction documents, and the registration of the OpCo shares on the Holdco’s register of members;
4. Holdco shareholders’ agreement – governing the relationship among the Holdco shareholders post-completion, including reserved matters, information rights, transfer restrictions, and drag/tag provisions;
5. Deed of termination of the OpCo shareholders’ agreement – where an existing shareholders’ agreement governs the OpCo, a formal deed of termination will be required as part of the completion package, addressing the scope of any mutual waivers and releases and the preservation of accrued investor rights;
6. OpCo board and shareholder resolutions – approving the transfer of OpCo shares to the Holdco and updating the OpCo register of members;
7. Stock transfer forms (or equivalent transfer instruments in the OpCo’s jurisdiction) – formal instruments of transfer for each parcel of OpCo shares;
8. Interposition transfer agreements – if individual founders are first transferring shares to their own corporate vehicles, each such transfer will need a separate transfer instrument, again with jurisdiction-specific requirements;
9. Tax clearance applications or confirmations – in some jurisdictions, advance clearance from the tax authority is available and advisable or required to confirm the intended tax treatment of the exchange;
10. Option cancellation and replacement agreements – where existing OpCo employee options are being rolled over, individual written agreements with each option holder documenting the cancellation of the old options and the grant of replacement options over Holdco shares on equivalent terms, together with the new Holdco option plan rules; and
11. Post-completion intercompany agreements – including any intra-group service agreements, IP licences, or management services agreements that are needed to formalise the relationship between Holdco and OpCo following the restructuring.

Life After the Exchange: Running the Group

Completing the share-for-share exchange is the beginning, not the end. Many groups continue to operate for a period – sometimes an extended one – with all commercial activity, employment, and revenue generation sitting at OpCo level, while the Holdco functions as the group parent and investment vehicle. This structure raises a number of practical questions that founders should think through carefully.

The HoldCo/OpCo Operating Model

In some groups, the Holdco enters into client contracts directly (because investors or counterparties prefer to contract with the UK entity), while the OpCo performs those contracts on the ground and employs the people who do the work. This arrangement is commercially sensible but requires proper legal architecture to function correctly.

If the Holdco is the contracting party with clients, it bears the contractual liability for performance. If the OpCo fails to deliver, it is the Holdco that is in breach with the client. The Holdco therefore needs a back-to-back arrangement with the OpCo – typically an intercompany services agreement or subcontracting agreement – under which the OpCo is obliged to perform the underlying obligations that the Holdco has assumed. The intercompany agreement should clearly mirror the client-facing obligations, including in respect of service standards, delivery timelines, confidentiality, and data protection.

The pricing under the intercompany services agreement matters too. Intercompany transactions between connected parties must be priced on an arm’s length basis under the UK’s transfer pricing rules in Part 4 of the Taxation (International and Other Provisions) Act 2010 (“TIOPA 2010”). This means the terms should reflect what independent parties would agree. HMRC’s transfer pricing rules include an exemption for small and medium-sized enterprises, so many early-stage groups will not initially face a formal transfer pricing compliance requirement. However, this does not remove the need for sensible commercial pricing; HMRC can direct medium-sized enterprises to apply the rules, and the intercompany agreement should in any event be documented contemporaneously and kept up to date as the group’s commercial model evolves.

Where the Holdco and OpCo are in different VAT jurisdictions – which they will be where the OpCo is incorporated outside the UK – cross-border VAT considerations arise on intercompany service flows and should be assessed with a VAT specialist, particularly where the services are billed from the UK Holdco to the overseas OpCo or vice versa.

Intellectual property is another area to consider carefully. Where the OpCo employs the people creating IP, the IP will typically vest in the OpCo under local employment law. Founders should take advice on whether to establish an IP licence or assignment arrangement at group level, particularly if the long-term intention is to hold valuable IP in the UK entity.

Funding OpCo from Holdco

Once investment is raised at Holdco level, the group needs a mechanism to get that capital down into the OpCo so that it can be deployed in the business. This is not automatic, and the mechanism chosen has tax, legal, and governance implications.

The two main routes are:

1. Equity subscription. The Holdco subscribes for new shares in the OpCo, increasing the OpCo’s share capital. This is straightforward and avoids any interest cost, but it can be harder to unwind and may have local law implications (for example, local requirements for a shareholder resolution or a minimum share premium). It may also have implications for the CFC analysis and the CFC charge gateway.
2. Intercompany loan. The Holdco lends money to the OpCo on commercial terms. This is flexible – the loan can be drawn in tranches and repaid as circumstances change – but it requires a properly documented loan agreement, and the interest rate must reflect arm’s length terms. The interest payable by the OpCo to the Holdco will in principle be deductible for OpCo’s local tax purposes, but may be subject to withholding tax in the OpCo’s jurisdiction on payment to the UK Holdco. Post-Brexit, the EU Interest and Royalties Directive no longer exempts interest payments from withholding tax in EU member states where the recipient is a UK company; the applicable rate will depend on the relevant double tax treaty between the UK and the OpCo’s jurisdiction.

The choice between equity and debt (or a combination of both) should be made with input from both UK tax advisers and local counsel in the OpCo’s jurisdiction. The structure should be documented properly from the outset: informal transfers of cash between Holdco and OpCo that are not captured in a loan agreement or equity resolution create accounting and tax complications that can be expensive to unwind.

Ongoing UK Compliance for the Holdco

Once the Holdco is incorporated and the restructuring is complete, the founders and directors must ensure that ongoing UK compliance obligations are met. The principal obligations are as follows.

Companies House filings. Every UK company must file a confirmation statement at least once every 12 months, confirming the accuracy of key information held by Companies House (directors, shareholders, registered office, Persons with Significant Control). The confirmation statement must be filed within 14 days of the end of the 12-month review period. Annual accounts must be filed within nine months of the company’s accounting reference date. Late filing of accounts triggers automatic financial penalties.

Corporation tax. The Holdco must notify HMRC that it is within the charge to corporation tax and file an annual corporation tax return. Payment of any corporation tax liability is generally due nine months and one day after the end of the accounting period.

Statutory books and registers. The Holdco must maintain its register of members, register of directors, register of persons with significant control, and other statutory registers required under the CA 2006. These must be kept up to date and, where required, changes must be notified to Companies House.

Other regulatory matters. Depending on the nature of the group’s activities, additional registrations or notifications may be required – for example, registration with the Information Commissioner’s Office under the UK GDPR if the Holdco processes personal data, or sector-specific regulatory approvals.

Working With Advisers

A transaction of this kind, and the ongoing operation of the resulting group structure, requires a coordinated team of advisers. At a minimum, founders should expect to engage:

1. UK legal counsel – to structure and document the share-for-share exchange, advise on UK company law and governance, draft the Holdco constitutional documents and shareholders’ agreement, and put in place intercompany agreements;
2. UK tax advisers / accountants – to advise on the UK tax position of the transaction, the ongoing corporation tax compliance of the Holdco, CFC analysis, transfer pricing, PAYE registration, and the dividend and interest flows between Holdco and OpCo;
3. Local counsel in the OpCo’s jurisdiction – to advise on the local law requirements for the share transfer, the applicable tax treatment, any regulatory approvals, and the form of transfer instruments and intercompany agreements that will be valid and enforceable locally; and
4. A payroll provider – if the Holdco will be remunerating any director or employee whose remuneration is chargeable to UK income tax, a UK-compliant payroll solution is needed and the Holdco must register for PAYE before the first such payment is made. In cross-border cases, the PAYE analysis is fact-specific and depends on matters including the individual’s tax residence, where their duties are physically performed, and whether any treaty relief or other statutory relief is available. For non-UK-resident directors or employees, UK income tax – and therefore PAYE – will generally be relevant to the extent remuneration relates to duties physically performed in the UK. In the typical Holdco structure described in this article, where the initial directors are founders based outside the UK, UK payroll issues commonly arise if those founders perform directorial or other duties while physically present in the UK – for example, attending board meetings or carrying on business in person in the UK.

The key to a smooth transaction and a well-functioning group structure is close coordination between all advisers from the outset. The recommended tax analysis should be finalised before the transaction documents are drafted, not after. And the operational and funding arrangements between Holdco and OpCo should be structured and documented properly at incorporation, not retrospectively when a problem arises.

A Realistic Timeline

A share-for-share exchange is not a quick administrative exercise, and founders should plan their timelines accordingly. The transaction involves multiple workstreams running in parallel – tax analysis, cap table review and valuation, drafting and negotiating the transaction documents, obtaining investor consent and negotiating the new Holdco shareholders’ agreement, dealing with existing option holders, and managing local corporate formalities at OpCo level – all of which require coordinated input from advisers in more than one jurisdiction.

Six weeks from instruction to completion is the absolute minimum, and that assumes all parties and their advisers are engaged, responsive, and aligned from the outset. In practice, eight to twelve weeks is more common, and complex transactions – particularly those involving a larger cap table, significant investor negotiations, the need for HMRC clearance, or local formalities such as notarisation or regulatory notifications – regularly take longer.

The number of shareholders matters significantly. Each additional shareholder means another set of comments on the transaction documents, another signature to obtain, and potentially another adviser with their own queries and mark-ups to work through. A transaction with two founders and one investor can move quickly; one with a dozen shareholders spread across multiple jurisdictions will not. Founders should build this into their project planning rather than treating the exchange as a formality to be completed in a few days alongside everything else that a growing business demands.

This guide is provided for general informational purposes only and does not constitute legal or other professional advice. It does not take account of any particular circumstances and should not be relied on as a substitute for specific advice. If you require advice in relation to your own situation, please seek appropriate professional advice.

© MR&T Advisory, 16 April 2026