Luxembourg private funds and SPVs

Start with the activity, not the Luxembourg label

“Luxembourg fund” can describe very different legal and regulatory arrangements. Luxembourg offers partnerships, corporate forms, regulated funds, reserved alternative investment funds, and ordinary companies used for holding or transaction purposes. A legal form is not the same thing as a product regime, and neither alone determines whether the structure is an alternative investment fund.

Begin with the proposed activity: what the vehicle will raise, from whom, under what investment policy, who will make decisions, how many assets it will hold, whether capital is committed or immediately funded, and where it will be marketed. Then ask Luxembourg counsel and tax advisers to classify the arrangement.

The high-level sequence is:

1. Define investors, assets, strategy, term, liquidity, and marketing countries.
2. Determine whether the arrangement is an AIF and which manager regime applies.
3. Choose a product regime and legal form together.
4. Map the AIFM, GP or manager, administrator, depositary, auditor, bank, and other providers.
5. Draft the documents and operating calendar to match the classification.
6. Complete formation, registrations, onboarding, account opening, and any required notices.

Use the fund formation guide for the broader launch process. This page identifies the Luxembourg-specific questions that change the answer.

Legal form and fund regime are separate choices

Common legal forms include the special limited partnership, or SCSp, the common limited partnership, or SCS, and corporate forms such as an SA, SCA, or SARL. A partnership can offer contractual flexibility and tax characteristics that suit private assets, but those consequences depend on the investors, manager, activity, and relevant countries.

Product regimes can include a Reserved Alternative Investment Fund, or RAIF, a Specialized Investment Fund, or SIF, a risk-capital investment company known as a SICAR, and other regulated or unregulated arrangements. These labels differ in eligible investors, investment scope, risk spreading, authorization, manager, depositary, audit, reporting, and marketing consequences.

A RAIF is not directly authorized by the CSSF as a product, but it must be managed by an authorized external AIFM and remains subject to its statute and AIFMD framework. “Not directly supervised” does not mean unregulated or provider-light. A SIF or SICAR has a different authorization relationship. An ordinary holding company may sit outside a fund regime, but calling it an SPV does not settle the AIF analysis.

Is it a fund or an SPV

A single-asset vehicle can still be an AIF. The analysis looks beyond the number of assets. Relevant questions include whether capital is raised from multiple investors, whether there is a defined investment policy, whether investors lack day-to-day discretion or control, and whether returns are pooled for their benefit.

An acquisition company controlled by operating partners, a joint venture with genuine shared decision-making, a club deal, a securitization undertaking, and a passive holding company may receive different treatment. The facts and documents must support the conclusion. Do not rely on a marketing label such as “club,” “syndicate,” or “SPV.”

Write a classification memo before selecting providers. It should identify the arrangement, legal sources, assumptions, contrary indicators, manager implications, and what changes would require reconsideration. Preserve it with the closing records.

The manager and AIFM layer

If the vehicle is an AIF, identify the AIFM and its status. An authorized external AIFM may provide portfolio or risk-management functions and coordinate delegates under AIFMD. Smaller managers may fall within a registration regime if conditions are met, but thresholds, activities, marketing, and local implementation need current analysis.

Distinguish the AIFM from the partnership's GP, investment adviser, portfolio manager, sponsor, and administrator. One group may occupy several roles, but each role has its own authority, contract, duties, and compensation. The organization chart should show the legal entity performing each role and the delegation path.

Marketing is a separate workstream. Determine where interests will be offered, which investors qualify, whether a passport or national private-placement route is available, who communicates the offer, and what pre-marketing rules apply. A Luxembourg domicile does not create a global permission to raise capital.

Depositary requirements

Luxembourg-domiciled UCITS and AIFs within the relevant frameworks generally appoint one eligible Luxembourg depositary. The depositary's role is broader than holding a bank account. Depending on the assets and framework, duties can include custody, record keeping and ownership verification, cash-flow monitoring, oversight, due diligence over delegates, and controls around subscriptions, redemptions, valuation, and distributions.

RAIF depositaries are treated as AIF depositaries under the RAIF law and AIFMD implementation. The precise eligible provider and scope depend on the fund and assets. Private-equity assets that are not capable of physical custody still require ownership verification and record keeping.

Choose the depositary alongside the structure. Confirm asset eligibility, account architecture, look-through needs, ownership-evidence standards, transaction approval flow, reporting, delegate network, pricing, and termination process. A depositary mismatch discovered after the investment pipeline is built can delay launch.

Documents

The package may include partnership or corporate formation documents, an issuing document or private-placement memorandum, subscription agreement, management or AIFM agreement, depositary agreement, administration and domiciliation agreements, investment-advisory or delegation agreements, side letters, valuation policy, conflicts policy, AML materials, and the underlying transaction documents.

The issuing document should describe strategy, restrictions, risks, investor eligibility, term, commitments and calls, fees and expenses, carry or performance allocation, valuation, reporting, transfers, conflicts, key providers, termination, and material tax considerations. The partnership agreement or articles create the legal mechanics. Subscription documents capture investor representations, commitments, tax information, and admission.

Translate every legal obligation into an operating owner and calendar. If the documents require quarterly valuation, annual audited accounts, consent for conflicts, or notice before a call, name the preparer, approver, sender, and retained evidence.

Audit, annual reports, and reporting

Do not assume a private offering removes annual-report or audit requirements. The RAIF law, for example, requires an annual report and approved statutory auditor, with prescribed content including assets and liabilities, NAV, portfolio information, charges, income, distributions, and comparative information. Other regimes and legal forms have their own requirements.

The AIFM, fund, administrator, depositary, auditor, and authorities may each require periodic data. CSSF reporting for investment fund managers can be quarterly, semiannual, or annual depending on the item. AIFMD reporting, financial statements, investor reporting, AML/CFT reporting, tax reporting, registry filings, and beneficial-ownership filings should be mapped separately.

Create one obligations register containing legal source, entity, form or report, frequency, period end, due date, preparer, approver, submission channel, evidence, and status. “The administrator handles reporting” is not enough. The governing body remains responsible for understanding what must occur.

Economics and service-provider budget

Luxembourg can provide a recognized cross-border fund environment and experienced providers, but the fixed operating stack can be disproportionate for a small one-off allocation. Model formation and annual costs across the AIFM, GP, administration, depositary, audit, domiciliation, directors, counsel, tax, banking, filings, and liquidation.

Ask whether charges are fixed, asset-based, investor-based, transaction-based, or minimum fees. Include extra share classes, closings, capital calls, side letters, complex investors, late KYC, portfolio transactions, valuations, regulatory reports, amendments, and wind-down. State which costs are borne by the manager and which by the fund.

Compare the full term, not an introductory quote. A structure that costs less at formation but needs a costly migration at the first institutional close is not necessarily cheaper.

Luxembourg SPVs

An ordinary Luxembourg company or partnership may be used to hold one asset, aggregate investors, finance an acquisition, or sit beneath a fund. Its needs can include incorporation, registered office, directors or manager, bank account, accounting, annual accounts, tax filings, beneficial-ownership records, and transaction documents.

The central question remains whether the arrangement is merely a holding or transaction entity or itself performs collective investment activity. Also analyze substance, decision-making, financing, withholding, transfer taxes, accounting, and the treatment in investor and asset jurisdictions.

For one venture investment with a modest allocation, compare the Luxembourg stack with a US SPV, UK structure, direct investment, or another jurisdiction. Familiarity and distribution can matter, but complexity should earn its place.

Launch checklist

• Describe the investors, assets, policy, governance, term, liquidity, and marketing map.
• Obtain a written AIF and manager classification based on the actual facts.
• Choose the product regime and legal form as one decision.
• Name every responsible legal entity in the provider and delegation map.
• Confirm marketing routes before approaching investors.
• Appoint the AIFM, depositary, administrator, auditor, bank, and advisers required by the structure.
• Reconcile issuing, constitutional, subscription, and provider documents.
• Build audit, annual-report, regulatory, tax, and investor reporting calendars.
• Model the entire service-provider cost through wind-down.
• Maintain a complete exportable record set for transition or liquidation.

How to use this guide

Treat this as an operating map, not a structure recommendation. The correct answer depends on the asset, investors, jurisdictions, offering method, tax position, and people performing regulated or fiduciary roles. Rules and provider services change. Confirm the live facts with qualified counsel, tax advisers, and the parties named in your actual documents.

Published by Run a Fund, an independent Superscout Inc. publication. Research and drafting may use AI-assisted tools; sources and material claims are reviewed before release. We do not accept payment for a favorable conclusion. Last substantive review: September 5, 2026.