Tokenised fund structuring sits at the intersection of collective investment law, digital-asset regulation and cross-border tax policy. In the United Kingdom, that intersection is governed by the Financial Conduct Authority (FCA) – the regulator whose authorisation and registration obligations apply to most fund managers and their vehicles – alongside the financial-promotion rules that restrict how a fund may be marketed to UK-connected investors. Getting the structure wrong at the outset means either locking in tax leakage that compounds with every redemption, or accepting investors you cannot legally serve without additional permissions.
The core question for any sponsor considering a UK-connected tokenised fund is not whether to use a blockchain record – it is whether the chosen domicile, the token mechanics and the regulatory wrapper align with the fund's actual investor base, asset mix and liquidity profile. Those three dimensions rarely point to the same answer, and the gap between them is where cost accumulates.
This page maps the regulatory basis for tokenised fund structuring in the United Kingdom, the process a manager follows to reach operational readiness, the cross-border interactions with tax and banking, and the decision points that separate a structure that works from one that merely looks right on paper.
What does tokenised fund structuring mean in the UK context?
Tokenised fund structuring means issuing a digital token that represents an interest – equity, debt or unit – in a regulated or unregulated collective investment vehicle, with the token record maintained on a distributed ledger rather than a conventional share register. In the United Kingdom, that activity does not sit outside the existing regulatory perimeter; it sits squarely within it. The FCA has consistently applied the substance-over-form principle: if the rights conferred on a token holder amount to participation in a collective investment scheme, the scheme rules apply regardless of the recording technology.
Collective investment scheme status under the applicable FCA regime triggers authorisation requirements for the manager, and in many cases for the vehicle itself. A manager operating an unregulated collective investment scheme may still need FCA authorisation to manage or communicate about it, particularly where the investor base extends to UK-regulated entities or retail persons. A regulated collective investment scheme – an OEIC or an authorised unit trust – carries additional product-level approval requirements that presently sit awkwardly with on-chain tokenisation mechanics, though the FCA's evolving sandbox posture is changing that picture.
The practical entry point for most tokenised fund sponsors is the unregulated collective investment scheme (UCIS) – a vehicle that does not require product-level FCA authorisation but whose units may only be promoted to specific categories of investor under the financial-promotion regime. The token represents the unit. The on-chain record replaces, or supplements, the traditional register. The legal character of the interest is unchanged.
CTA #1: If you are still mapping whether your structure triggers scheme status, the analysis turns on the rights the token confers and the pooling mechanics – details that are specific to your facts. Map your options with an OBOLUS structuring review before you commit capital to a design that may require reconstruction.
How does the FCA regulatory perimeter apply to a digital-asset fund manager?
A digital-asset fund manager in the United Kingdom requires FCA authorisation to carry on regulated activities – including managing investments and arranging deals in investments – unless a specific exemption applies. The FCA's cryptoasset registration under the Money Laundering Regulations (MLR) is a separate, lower threshold: it covers AML/CFT obligations for firms dealing in cryptoassets but does not substitute for an investment-management authorisation. A manager who holds only an MLR registration and proceeds to manage a pooled vehicle is operating in breach of the authorisation threshold.
For a manager whose fund holds crypto-assets that qualify as specified investments under the applicable FCA regime – security tokens, for instance – the full investment-management permission set is required. Where the fund holds only utility tokens or exchange tokens (Bitcoin, Ether and similar assets that the FCA does not presently classify as specified investments), the picture is more nuanced: the pooling and management may still constitute a collective investment scheme, which itself carries regulatory consequences, even if the underlying assets are not specified investments.
In our practice, we regularly advise managers who underestimate this layering. The assumption is often that a fund holding "just crypto" sits outside the FCA's investment-management perimeter. It does not, once pooling begins. The financial-promotion rules compound the issue: marketing interests in a UCIS to UK persons is restricted to authorised persons, and the approval-of-communications requirement that took effect under recent FCA reforms tightens that constraint further.
Cross-border dimension: a manager domiciled in the Cayman Islands or BVI who markets to UK institutional investors is within the FCA's financial-promotion reach. The offshore domicile of the vehicle does not insulate the manager from UK promotion restrictions applied to UK-connected investor communications.
Which vehicle is right for a tokenised digital-asset fund?
Vehicle selection for a tokenised digital-asset fund depends on three decision axes: the investor base (retail vs. professional vs. institutional), the jurisdiction of management, and whether the fund is intended to qualify for any recognised-scheme or passporting status. No single vehicle is optimal across all three.
A UK Limited Partnership (LP) remains a widely used structure for closed-ended digital-asset funds targeting professional and institutional investors. The LP is tax-transparent, the interests are readily tokenisable as limited-partnership interests, and the FCA-authorised general partner or manager can sit in the UK or in an offshore jurisdiction with appropriate permissions. The limitation is distribution: LP interests in a UCIS are promotional-restricted, so the investor base is bounded by the financial-promotion exemptions available to the manager.
An Investment Trust (a closed-ended investment company listed on the London Stock Exchange or the AIM market) offers retail access and secondary-market liquidity – the listed share is the token, in economic terms, though not on a distributed ledger. For sponsors wishing to combine genuine on-chain tokenisation with UK retail reach, the FCA's new regulated liability network pilots and sandbox arrangements are the current frontier, and the timeline to operational status through that route is measured in years, not months.
For a manager building a vehicle primarily for professional investors with a cross-border investor base, the most practical design in our experience is a Cayman or BVI fund vehicle – managed from the UK under the applicable FCA permissions – with a secondary UK feeder or co-investment structure. The BVI and Cayman regimes offer structural flexibility, established fund law, and a clear legal basis for tokenised interests. The UK manager component provides investor comfort and regulatory substance.
Do tokenised fund interests hold up under UK law?
Tokenised fund interests are legally valid under UK law, subject to the documentation being correctly structured. English law courts have recognised digital assets as property – the position established in the leading cases recorded in the registry – and the Law Commission's work on digital assets has reinforced the principle that a token can represent a chose in action that is enforceable between the parties to the relevant instrument.
The practical requirements are: a fund deed or partnership agreement that explicitly creates the interest and maps the token to it; a custodian arrangement that segregates the digital record and the underlying assets; and a register of token-holders that satisfies the applicable company or partnership law requirements. Where the token is issued on a public chain, the pseudonymous nature of addresses creates tension with the fund's AML/KYC (anti-money laundering / know-your-customer) obligations. That tension is not irresolvable, but it requires a transfer-restriction mechanism baked into the token's smart contract at issuance.
The Travel Rule (the obligation under FATF Recommendation 15 to pass originator and beneficiary data with a virtual-asset transfer) applies to transfers of the tokenised interests where those transfers are processed through a regulated virtual-asset service provider. For a closed-ended fund with restricted transferability, the practical exposure is modest. For an open-ended vehicle with secondary-market ambitions, Travel Rule compliance must be designed in at the structural level.
Micro-matter: In a recent structuring mandate, an asset manager sought to issue tokenised limited-partnership interests to a professional investor base across three jurisdictions. We advised on the choice of the registrar mechanism, the transfer-restriction logic embedded in the token contract, and the interaction of FCA financial-promotion rules with the offshore vehicle's offering documents. The structure reached first close without regulatory challenge, and the manager subsequently extended the offering to a fourth jurisdiction using the same template with jurisdictional overlays.
What are the tax and banking realities for a UK-connected tokenised fund?
Tax treatment for a tokenised digital-asset fund in the UK turns on two questions: where the vehicle is tax-resident, and whether it is transparent or opaque for income and gains purposes. A UK Limited Partnership is transparent: income and gains flow to investors in their hands. A UK Limited Company used as a fund vehicle is opaque: gains are taxed at the corporate level, and the UK's substantial-shareholding exemption may or may not apply depending on the asset mix.
For a UK-resident investor holding interests in an offshore fund vehicle, the UK's offshore fund regime applies: gains on disposal are typically taxed as income rather than capital gains unless the fund holds a UK reporting-fund status. Sponsors who omit this step find that UK-resident investors face a materially worse tax outcome than expected, which often surfaces only at redemption and becomes a structural repair project. We regularly see this issue in funds that were set up quickly without the investor-country tax overlay being mapped in advance.
Banking for a UK-connected digital-asset fund remains one of the most operationally demanding aspects of the build. UK-regulated banks carry heightened due-diligence expectations for funds holding digital assets, and the correspondent-banking layer adds further complexity where the fund vehicle is offshore. In our cross-border practice, the most reliable path to a fiat banking relationship is to demonstrate FCA authorisation or registration, a clean AML framework, an established custodian relationship, and audited financials – not as sequential milestones but as a package presented to the bank at the same time.
The EMI (electronic money institution) route – using a UK-regulated e-money institution for fund administration and payment flows rather than a clearing bank – is an increasingly common workaround for funds in early operation, though it carries its own limitations on credit facilities and reserve backing.
CTA #2: If a prior bank application failed or an existing structure is generating unexpected tax leakage, the structural read is often the fastest route to resolution. Write to info@oboluslaw.com for a scoped diagnostic. We have seen the pattern before and can identify the pressure point quickly.
Which profile should choose which structure?
The right structure depends on the manager's profile, not a generic best-practice. Three patterns emerge consistently in our practice.
Profile A: A crypto-native asset manager with a professional and institutional investor base, seeking operational speed. The appropriate vehicle is typically a Cayman or BVI limited partnership or exempted company, managed from the UK under FCA authorisation, with tokenised interests governed by English law documentation. The timeline from instructing counsel to first close varies with the FCA authorisation path – new authorisation applications take materially longer than a variation of an existing permission. Investors with UK tax residence require an offshore-fund reporting-status application to be filed, which is a separate workstream with its own timeline. The key risk is underestimating the FCA component and timing the capital raise against an incomplete permission set.
Profile B: An established investment manager – already FCA-authorised for traditional assets – seeking to add a digital-asset sleeve or launch a dedicated crypto sub-fund. The starting point is a variation of permissions (VoP) application to extend the existing authorisation to the relevant digital-asset activities. The vehicle design can use the manager's existing umbrella or a new LP. Tokenisation can be layered in at launch or retrofitted after the regulatory step completes. The key risk here is underestimating the FCA's thematic scrutiny of crypto-specific governance and risk management arrangements at the VoP stage.
Profile C: A family office or VC fund seeking to establish a co-investment vehicle for a specific digital-asset opportunity, with a concentrated and sophisticated investor base. A UK LP with a nominee or co-investment agreement structure, or a Cayman exempted company, typically fits. Full FCA authorisation may not be required if the manager is not holding out to the public and the relevant exemptions are satisfied, but that analysis must be done on the specific facts. Tokenisation is optional at this scale; the legal and operational cost of tokenisation should be weighed against the size of the pool.
What are the most common mistakes in UK tokenised fund structuring?
The most damaging mistake is selecting the domicile before mapping the investor base. The fund's tax and regulatory consequences are largely set by where investors sit – not where the vehicle is incorporated. A sponsor who structures around the vehicle's domicile and then adds investors from multiple jurisdictions builds correction costs into the structure from the start.
A second recurring mistake is treating FCA registration under the Money Laundering Regulations as a proxy for authorisation. It is not. The MLR registration satisfies the AML/CFT obligation. It does not permit the manager to manage investments, operate a collective investment scheme, or approve financial promotions. Operators who reach the marketing stage without authorisation, or who approve promotions without the required FCA permission, face enforcement exposure and delays that can be fatal to a fundraise timing.
Third: omitting the custody design from the legal mandate. Custody of digital assets is a regulated activity in the UK under the applicable FCA regime, and the choice of custodian affects the fund's insurance coverage, the AML audit trail, and the operational mechanics of tokenised transfers. In our practice, we structure licensing, banking, and custody as one mandate rather than three disconnected workstreams – the interactions between them are where the problems tend to arise.
A common assumption we encounter is that any offshore vehicle works equally well for a digital-asset fund. It does not. The BVI, Cayman, and Jersey regimes differ materially in their treatment of tokenised interests, their AML licensing requirements, and their interaction with the UK's offshore-fund tax rules. Selecting the offshore jurisdiction on cost alone – without the domicile-investor-asset triangulation – is the single most frequent source of structural reconstruction work we see.
Self-assessment: is your structure ready?
Before committing to a structure, a fund sponsor should be able to answer yes to each of the following questions. If any answer is uncertain, it is a signal to engage counsel before the design is locked.
- Has the investor base been mapped by jurisdiction, and has the regulatory consequence in each investor jurisdiction been assessed?
- Has the FCA authorisation or exemption analysis been completed, covering both the management activity and the financial-promotion obligations?
- Has the vehicle's tax status – transparent or opaque, reporting-fund status where UK-resident investors are involved – been confirmed with qualified tax counsel?
- Has the custodian been identified and contracted, with segregation mechanics confirmed for the digital-asset component?
- Has the tokenisation mechanism – transfer restrictions, Travel Rule compliance, register linkage – been designed into the token smart contract before issuance?
- Has a banking relationship been secured or materially advanced, with the AML and authorisation documentation assembled as a single package?
A sponsor who can answer yes to all six is materially better positioned than the median fund launch we review. Most launches arrive at external counsel with two or three of these resolved and the rest in progress. The sequencing of the unresolved items – specifically, whether banking outreach precedes or follows FCA authorisation – is typically the most consequential scheduling decision.
Related at OBOLUS
- Funds and investment vehicles for digital-asset businesses – practice overview covering vehicle selection, manager licensing and investor structuring globally
- Fund manager licensing – legal counsel for digital-asset firms – how we manage FCA authorisation, VoP applications and equivalent processes in other hubs
- Tax regime for digital assets in the British Virgin Islands – the BVI's tax treatment and its relevance for offshore fund vehicles paired with a UK manager
FAQ
Where should a crypto fund be domiciled?
Domicile should follow the investor base, the asset mix and the redemption profile – not the lowest-cost incorporation option. A fund targeting UK institutional investors with illiquid digital assets is structurally different from one targeting US or Asian family offices with liquid token portfolios. Cayman, BVI and Jersey are the most common offshore choices paired with a UK or Singapore manager, but the right answer requires mapping the tax and regulatory consequence in each investor jurisdiction before selecting the vehicle jurisdiction.
Does a digital-asset fund manager need a licence?
In the United Kingdom, a manager operating a collective investment scheme or managing investments on a discretionary basis requires FCA authorisation for the relevant regulated activities. FCA cryptoasset registration under the Money Laundering Regulations satisfies the AML obligation separately but does not substitute for investment-management authorisation. Managers relying on exemptions must confirm those exemptions apply to their specific activities, their investor types and their marketing approach – the exemptions are narrower in practice than they appear on a first read.
How is custody arranged for a crypto fund?
Custody of digital assets for a UK-connected fund requires a custodian that meets the FCA's safeguarding expectations and, where the custodian is FCA-authorised, the relevant safe-custody permission. The custodian holds private keys or operates a multi-signature arrangement on behalf of the fund, segregated from the custodian's own assets. For tokenised interests in the fund itself – as distinct from the underlying digital assets – the transfer-restriction mechanism and the register linkage must be designed into the token structure, because the custodian of the underlying assets is not automatically the registrar of the fund interests.
OBOLUS is an independent digital-asset law boutique acting only for businesses. We advise exchanges, custodians, token issuers and funds on licensing across 70+ jurisdictions, on disputes and on-chain asset recovery across 25+ forums, and on the tax, banking and compliance that sit around them. Digital assets are the whole of our practice. We match domicile to investor base, asset mix and redemption profile – and we structure licensing, banking and tax as one mandate rather than three disconnected workstreams. To discuss your fund structure, contact info@oboluslaw.com or message us at t.me/oboluslaw.
By Lydia Brennan, Tax and Structuring Analyst – specialising in cross-border fund structuring and digital-asset tax analysis for investment managers across UK and offshore jurisdictions.
This publication is general information about the law and does not constitute legal advice. It is not a substitute for advice tailored to your circumstances. OBOLUS accepts no liability for action taken or not taken on the basis of this material. For advice on your situation, contact info@oboluslaw.com.