A digital-asset fund manager expanding into Abu Dhabi's financial free zone quickly discovers that custody is not a back-office detail — it is a regulated activity that shapes domicile choice, investor access and banking relationships all at once. Under the Financial Services Regulatory Authority (FSRA) regime within Abu Dhabi Global Market (ADGM), custody of virtual assets is a distinct regulated activity, and funds that get this structure wrong risk regulatory non-compliance, investor redemption delays and locked capital. The analysis below maps the regulated basis, the practical process, the cross-border interactions and the decision points every fund manager needs to work through before committing to an ADGM domicile.
Why Custody Is the Critical Structure Question for ADGM Funds
Custody is the regulated foundation on which every other fund feature rests. In ADGM, the FSRA treats the safeguarding of virtual assets as a stand-alone regulated activity — separate from fund management, separate from trading — and it applies that treatment whether the custodian is inside or outside the free zone. A fund that routes its digital assets through an unregulated or improperly structured custodian exposes itself to FSRA supervisory action before a single investor receives a return.
In our practice, we regularly see fund managers underestimate this point at the domicile-selection stage. They focus on tax efficiency and investor access, which are legitimate priorities. But the custodial layer determines whether those priorities are achievable in practice. A crypto fund (a fund with material digital-asset exposure) cannot simply adopt the custody model used by a traditional equity fund. The FSRA's concept of "recognised virtual assets" imposes an additional screen: the fund's custodian must be able to hold each asset in the portfolio under an appropriate regulatory permission.
The cross-border dimension compounds this. Many ADGM-domiciled funds hold assets on custodians licensed elsewhere — in Singapore under the Monetary Authority of Singapore (MAS) Payment Services Act, in Switzerland under FINMA, or in a major exchange in a third jurisdiction. Each of those relationships must be structurally validated against both FSRA expectations and the investor's own jurisdictional requirements. The result is a custody stack that spans multiple legal systems simultaneously.
OBOLUS advises fund managers, general partners and investment vehicle sponsors on this full custody stack. The process above describes the standard path. Your facts — the entity, the investor base, the asset mix — change the analysis significantly. For a scoped assessment of your ADGM fund structure, contact OBOLUS at info@oboluslaw.com.
How Does the FSRA Define the Regulatory Perimeter for Virtual Asset Custody?
The FSRA applies a regulated-activity model: an entity must hold the appropriate FSRA permission before it provides custody of virtual assets to a fund or any other client. This is not a mere registration requirement. It is a full regulated-activity authorisation, carrying capital adequacy, governance, safeguarding and operational resilience obligations specific to digital assets.
The FSRA distinguishes between the fund manager — who carries out investment management as a separate regulated activity — and the custodian, who holds and safeguards the assets. In most institutional-grade ADGM fund structures, these roles are held by separate entities. A fund manager who also holds client digital assets without the appropriate custodial permission is operating outside its authorised scope, even if it holds a fund management licence.
The FSRA's "recognised virtual assets" concept is a critical gating mechanism. The FSRA maintains a list of virtual assets that are recognised for regulated activity within ADGM. A custodian can only take digital assets into a regulated custody arrangement if those assets appear on that list. Fund managers building a portfolio that includes newer or less-liquid tokens must verify recognition status as part of initial structuring — not after launch.
For funds with exposure to both security tokens and utility-style digital assets, the regulatory classification of each asset also determines which regulatory permission the custodian must hold. Misclassifying an asset as a virtual asset when it should be regulated as a security creates a separate layer of FSRA exposure. In our cross-border practice, we treat asset classification as the first analytical step, because it determines every downstream permission requirement.
What Is the Inbound Process for Setting Up Custody Arrangements in ADGM?
Establishing a compliant custody arrangement for an ADGM-domiciled fund involves a defined sequence of steps, each carrying its own timeline and documentation burden. The process is iterative — the FSRA engages substantively with applicants, and the quality of the initial application materials determines how quickly that dialogue moves.
The first step is a pre-application scoping exercise. Before any formal filing, the fund manager and its counsel map the asset universe, identify which FSRA-regulated activities are required, and assess whether the preferred custodian is already FSRA-authorised or whether a new application is needed. Where a manager plans to use an existing regulated custodian — a licensed ADGM entity that already holds virtual assets for third parties — this step confirms that the custodian's current permission covers the fund's specific asset types and operational model.
The second step is the regulatory application itself. For a new FSRA authorisation covering custody of virtual assets, the application requires detailed submissions on governance, key personnel fitness, technology and cybersecurity controls, AML/CFT policies and capital adequacy. The FSRA applies high expectations on all of these dimensions. Incomplete submissions are a primary cause of extended timelines. In our experience, a well-prepared first submission results in a materially faster supervisory dialogue than one that requires significant supplementation.
The third step is the operational build-out during or after regulatory review. This includes wallet architecture decisions — hot versus cold storage ratios, multi-signature controls, key management procedures — and the establishment of segregated client accounts or their digital-asset equivalent. The FSRA expects custodians to demonstrate that client assets are properly segregated from the custodian's own assets and from those of other clients.
The fourth step is the ongoing compliance cycle: periodic reporting to the FSRA, participation in any thematic reviews, and maintenance of the capital and governance conditions attached to the authorisation. For fund managers, this means that the relationship with the custodian is not a one-time structuring decision — it requires ongoing monitoring to confirm that the custodian remains in good standing with the FSRA.
Throughout this process, the timeline from initial pre-application scoping to a live, licensed custody arrangement is typically a matter of several months. The exact duration depends on the complexity of the asset portfolio, the custodian's prior regulatory history and the completeness of the application. A first-time FSRA applicant with a complex digital-asset portfolio should plan for a longer runway than an established ADGM entity extending an existing authorisation.
How Do Tax, Banking and Investor Considerations Interact with ADGM Custody?
The custody structure does not sit in isolation from the fund's tax position, its banking relationships or the profile of its investor base. These three variables interact in ways that are often underestimated at the initial structuring stage — and the interaction has direct consequences for domicile selection.
On the tax side, ADGM operates within the UAE's broader tax environment. The UAE introduced a corporate tax regime in recent years, and the treatment of income derived from digital-asset management and custodial activity within a free zone is a live area of analysis. Fund managers should obtain a current tax opinion on the treatment of management fees, carried interest and any income at the fund level before committing to the structure. We work with tax counsel to map this alongside the regulatory build — the two tracks are not sequential, they are parallel.
On the banking side, ADGM-domiciled funds face a well-documented challenge: obtaining and maintaining a bank account for a digital-asset fund is not straightforward, even in a jurisdiction where the FSRA has specifically authorised the activity. Several international banks maintain conservative policies toward digital-asset funds regardless of their regulatory status. The practical approach is to identify banking partners early — before the fund structure is finalised — and to treat bankability as a structuring constraint rather than a post-launch problem. In our cross-border practice, we see fund managers lose months to banking delays that could have been resolved at the term-sheet stage.
The investor base is perhaps the most decisive variable. An ADGM-domiciled fund accepting investors from the EU must address whether the fund manager or the fund itself triggers any EU regulatory obligation — including the question of whether the MiCA regime or the European Securities and Markets Authority (ESMA)'s broader supervision of collective investment schemes applies to fund distribution into the EU. Similarly, accepting US persons raises CFTC, SEC and tax considerations that operate independently of the ADGM structure. Custody arrangements that are clean under FSRA rules may nonetheless create compliance exposure in the investors' home jurisdictions.
This multilateral analysis — FSRA authorisation, UAE tax, international banking access and investor-jurisdiction compliance — is the core of what we do for fund manager clients at OBOLUS. If a prior application stalled or a banking relationship closed, a second read often surfaces the structural reason and the route back. Write to info@oboluslaw.com for a structured review of your position.
Which Custody Model Is Right for Your Fund Profile?
Not every ADGM digital-asset fund requires the same custody model. The appropriate structure depends on asset type, fund size, investor sophistication and the manager's own regulatory footprint. The following decision matrix maps the main profiles to the most appropriate custody approach and the key risk at each.
A first-time fund manager launching an ADGM-domiciled vehicle with a core portfolio of recognised virtual assets — Bitcoin, Ether or similar major assets — will typically engage a third-party FSRA-authorised custodian rather than applying for its own custodial permission. This approach reduces the regulatory burden on the manager, shortens the path to first close and keeps operational complexity manageable. The key risk is dependence on a single custodian's regulatory standing; the manager must monitor the custodian's FSRA compliance on an ongoing basis.
A manager with an established regulatory track record — already holding a fund management permission from the FSRA or a comparable regulator such as the FSRA itself, the MAS or the FINMA — may be in a position to apply for an in-house custodial permission as part of a broader ADGM expansion. This increases control and potentially reduces per-asset custody costs at scale, but the capital, governance and technology requirements for a custodial authorisation are substantial. The key risk is the operational readiness requirement: the FSRA will expect evidence of institutional-grade key management and cybersecurity before granting the permission.
A multi-strategy fund with exposure to both conventional securities and digital assets should consider whether a hybrid custody model — separating the digital-asset custody from the traditional securities custody — is operationally sustainable. Two custodians, two regulatory relationships and two sets of reporting obligations create coordination overhead. Some managers in our practice address this by using a prime broker with both digital-asset and traditional capabilities, where such a counterparty is available and appropriately regulated.
A fund accepting institutional investors from multiple jurisdictions — particularly EU and US — must align the custody model with the investors' own due diligence requirements. Institutional LPs in the EU may require that the custodian itself meets a specified regulatory standard; this may effectively require a custodian holding an FSRA permission, an equivalent EU authorisation or a FINMA authorisation, depending on the LP's internal policy. In our experience, clarifying this requirement before fund formation avoids expensive restructuring later.
A Recent ADGM Fund Custody Matter
In a recent structuring engagement, a mid-sized investment vehicle sponsored by a regional fund manager sought to establish a digital-asset fund in ADGM targeting institutional investors from the Gulf Cooperation Council and Europe. The manager had initially selected a custodian operating outside ADGM, assuming that the custodian's licence in another jurisdiction was sufficient for FSRA purposes. It was not: the FSRA's recognised virtual assets framework and the requirement for an FSRA-authorised custody arrangement meant the proposed structure was non-compliant before the first investor subscription. We restructured the custody stack, identified an FSRA-authorised custodian with the appropriate asset coverage, and renegotiated the fund documents to reflect the corrected operational model. The fund reached its first close within the same calendar year.
What Are the Most Common Custody Mistakes in ADGM Fund Structures?
A common assumption among fund managers new to ADGM is that any offshore custody arrangement that worked in a prior jurisdiction will transfer without modification. This assumption is incorrect. The FSRA applies its own standards, and a custodian that is appropriately regulated in Singapore under the MAS Payment Services Act, or in the Cayman Islands under CIMA, does not automatically satisfy FSRA custody requirements for an ADGM-domiciled fund. The fund manager bears the obligation to confirm this, and doing so after the fund structure is finalised is substantially more costly than doing it at the outset.
A second common mistake is treating custody as a binary choice — either self-custody or third-party custody — without analysing the operational and regulatory implications of each. Self-custody, meaning the fund or its manager holds the private keys directly, is rarely appropriate for an institutional-grade ADGM fund. The FSRA expects proper segregation, governance and insurance coverage, and a manager holding client assets under its own key management without the appropriate permission is likely to be operating outside its authorised scope.
A third mistake is failing to account for the asset evolution of the fund. A fund launched with a portfolio of recognised virtual assets may wish to add new assets as the portfolio grows. If those new assets are not yet on the FSRA's recognised list, the fund cannot hold them in a regulated custody arrangement until recognition is confirmed. Managers who do not anticipate this constraint may find their investment flexibility materially limited mid-cycle.
Fourth, and perhaps most costly, is the failure to synchronise the custody build-out with the investor subscription timeline. We have seen fund managers open subscriptions before the custody arrangement is operational, creating a period during which investor funds are held in a provisional or improperly structured account. This exposes the manager to regulatory risk with the FSRA and to investor claims if redemption rights cannot be exercised promptly. The custody arrangement must be live before the first subscription is accepted.
How Does ADGM Compare for a Digital-Asset Fund Manager Evaluating Domicile Options?
ADGM is one of several credible domicile options for a digital-asset fund, and the right choice depends on the manager's investor base, asset mix and operational priorities. Comparing ADGM with Cayman, Singapore and the BVI on custody-relevant dimensions illustrates where each jurisdiction has a structural advantage.
ADGM's primary advantage is its position as a common-law jurisdiction within the UAE's financial centre, combining a well-developed regulatory regime under the FSRA with proximity to Gulf institutional capital. For managers targeting sovereign wealth funds, family offices and institutional investors in the Gulf region, ADGM offers an access and credibility advantage that offshore jurisdictions cannot match. The FSRA's active engagement with digital-asset regulation — including its recognised virtual assets concept — provides a relatively clear regulatory perimeter for fund operations.
The Cayman Islands, regulated by CIMA under the Virtual Asset (Service Providers) Act, remains the dominant offshore fund domicile globally and is the default choice for many managers focused on US and European institutional investors. Cayman custody structures benefit from a well-established legal and fund services infrastructure and from broad familiarity among institutional LPs. The trade-off is less proximity to Middle Eastern capital markets and a regulatory posture that is less prescriptive on digital-asset custody specifics than the FSRA.
Singapore under the MAS Payment Services Act is a strong option for managers with an Asia-Pacific investor focus and for those seeking a regulated hub with strong banking infrastructure. The MAS has been active in digital-asset policy and has developed clear frameworks for custody as a component of digital payment token licensing. The trade-off relative to ADGM is less direct access to Gulf capital and a different tax profile.
The BVI, regulated by the BVI Financial Services Commission under the VASP Act 2022, offers a cost-effective option for smaller managers. Custody arrangements in the BVI are less prescriptively regulated than in ADGM, which may reduce compliance overhead but also reduces the signal of regulatory credibility with institutional investors who require a demonstrably supervised structure.
For a manager whose investor base spans the Gulf and Europe, whose portfolio includes a mix of major digital assets and security tokens, and whose investment horizon is institutional, ADGM is frequently the most appropriate domicile. But the decision is always fact-specific. The wrong domicile locks in tax leakage and limits which investors a fund can accept — two constraints that are very difficult to reverse without fund restructuring.
Related at OBOLUS
- Digital-Asset Funds and Investment Vehicles – licensing, structuring and governance for crypto fund managers across jurisdictions
- Custody Arrangements: The Compliance Burden in Practice – an operational analysis of custody obligations for regulated digital-asset funds
- Stablecoin Freeze Requests in Switzerland – how FINMA's regime interacts with cross-border asset recovery for fund managers
FAQ
Where should a crypto fund be domiciled?
The appropriate domicile depends on three variables: the investor base, the asset mix and the redemption profile. ADGM suits managers targeting Gulf institutional capital with a well-regulated digital-asset framework. Cayman remains dominant for US and European LP access. Singapore fits Asia-Pacific mandates. BVI is cost-effective for smaller vehicles. The wrong domicile creates tax leakage and restricts investor acceptance — both are expensive to reverse. Counsel should map all three variables before committing to a structure.
Does a digital-asset fund manager need a licence?
Yes, in virtually every regulated jurisdiction. In ADGM, the FSRA requires a fund management permission as a distinct regulated activity. This is separate from any custody permission. In Singapore, the MAS applies equivalent requirements under the Payment Services Act. In the EU, the applicable MiCA and investment fund regimes both impose authorisation requirements on managers of digital-asset collective investment vehicles. Operating without the appropriate permission exposes the manager to supervisory action and invalidates fund documents in many cases.
How is custody arranged for a crypto fund?
In ADGM, custody of virtual assets is a regulated activity requiring an FSRA authorisation. Most institutional fund structures use a third-party FSRA-authorised custodian rather than seeking a self-custody permission. The custodian must hold permission covering each asset class in the portfolio, and assets must be kept in properly segregated accounts. The custody arrangement should be operational before the first investor subscription is accepted. Cross-border funds may use custodians licensed in Singapore, Switzerland or other leading hubs, subject to FSRA recognition requirements.
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 work alongside forensic partners to convert on-chain evidence into court-ready disclosure applications when fund assets need to be traced or frozen. To discuss your fund structuring or custody question, contact info@oboluslaw.com.
By Lydia Brennan, Tax & Structuring Analyst — specialising in digital-asset fund domicile analysis, cross-border custody structuring and tax treatment of virtual-asset investment vehicles in the ADGM and Gulf region.
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.