What Is 13D and How Does It Compare With 13O?

Family office planning desk overlooking Singapore’s Marina Bay skyline.

Key Takeaways:

  • 13D and 13O are Singapore fund tax exemption frameworks, but they apply to different fund structures.
  • 13D generally covers qualifying offshore funds managed in Singapore, while 13O applies to qualifying Singapore-incorporated and resident fund companies.
  • The choice between 13D and 13O depends on the family’s existing fund structure, where its assets are held, and how it plans to establish its investment management activities in Singapore.

Introduction

When families ask what 13D is, one of the first things we clarify is where their investment fund is established and what they want to keep in place. Section 13D is part of Singapore’s fund tax exemption framework and generally applies to qualifying offshore funds managed by a Singapore fund manager, subject to the applicable conditions. By comparison, Section 13O applies to an approved company incorporated and resident in Singapore.

Both can provide tax exemption on specified income from designated investments when the relevant requirements are met. However, they are designed around different fund structures.

For a family establishing an investment management presence in Singapore, that distinction can affect whether it retains an existing offshore vehicle, whether it needs a new Singapore fund, and how the investment team fits into the family’s longer-term relocation plans.

What Is 13D and How Does It Fit Into a Family Office?

To understand what 13D is and how it fits your family office, we first assess the investment structure you already have.

An offshore company or fund may have held listed securities, bonds, or private fund interests for years, with banking, administration, and ownership arrangements already in place. Moving the investment management function to Singapore does not automatically mean that this structure should be replaced.

We would instead review why the offshore vehicle was established, what assets it holds, who owns or invests through it, and whether its existing arrangements remain commercially useful. This assessment helps determine whether the investment fund structure can be retained and managed or advised from Singapore under the 13D framework, subject to the applicable conditions.

What Is 13O and How Does It Make Sense in a Family Office?

Section 13O takes a different approach because the qualifying fund itself is an approved company incorporated and resident in Singapore. We commonly look at this route from a different starting point: what is the family trying to build in Singapore?

Consider a business owner who has recently sold part of a company and now wants to establish a family office. If the family doesn’t need to retain an existing offshore fund, it may prefer to create its investment structure in Singapore from the outset.

In that situation, 13O may be considered as part of a wider fund vehicle strategy, with both the fund and investment management activities centred here.

How 13D and 13O Differ

For families comparing 13D and 13O, we generally start with three practical differences that can shape how the fund is structured, managed, and maintained over the long term.

  • Fund location and structure: 13D generally applies to an offshore fund managed or advised from Singapore, while 13O applies to an approved Singapore-incorporated and resident company.

  • Application approach: 13D operates on a self-assessment basis, while 13O requires approval and compliance with the applicable conditions.

  • Existing offshore arrangements: 13D may suit families retaining an established offshore fund, while 13O may be considered when setting up a new Singapore-based fund.

Does AUM Decide Between 13D and 13O?

Assets under management (AUM) are important, but AUM alone does not answer the structural question. When explaining what 13D is, we first distinguish its offshore fund structure from the Singapore-incorporated structure under 13O. The schemes also do not operate under identical AUM, staffing, and local economic requirements.

The requirements are evolving as well. From the financial year ending in 2027, additional requirements apply to 13D funds, including conditions relating to management in Singapore and investment professional staffing. Families should confirm the latest requirements before relying on the framework.

A portfolio may satisfy the family’s needs today but change considerably after another business sale, inheritance, or transfer of assets. This prompts us to look beyond the present portfolio and consider what the family expects its investment activities in Singapore to look like several years later.

Family office adviser discussing investment planning with a couple in Singapore.

When 13D May Be More Practical

13D may warrant consideration when a family intends to retain an established offshore fund while moving investment management or advisory activities to Singapore. Instead of restructuring solely to establish a Singapore family office, our family office consulting services assess the fund’s purpose, ownership, assets, and whether retaining it remains commercially sensible.

When 13O May Be More Practical

13O may be more relevant when a family wants its fund and investment management activities centred in Singapore, particularly when establishing a family office after a liquidity event or without an existing offshore fund to retain. We would assess whether the proposed structure meets the applicable conditions and can support the family’s longer-term plans. Families considering a family office tax exemption structure should consider both tax eligibility and how the arrangement will support future investment, governance, and succession needs.

What We Advise Families to Clarify Before Choosing

Before deciding between 13D and 13O, we first establish how the family’s existing arrangements would fit with a Singapore family office. This includes reviewing where the fund is established, how it is owned, and whether any companies or trusts sit between the family and the fund.

From there, we can assess whether there is a practical reason to retain the offshore vehicle or whether more of the investment structure should be centred in Singapore. We also consider where the assets will be held and who will manage or advise them, as these decisions can affect which framework is more appropriate.

The family’s future plans should also be considered. A business sale, inheritance, relocation, or succession event may change what the structure needs to support. We also consider whether the benefits of restructuring justify the cost and complexity involved. This provides a clearer basis for comparing 13D and 13O.

Build a Family Office Structure Around Your Wider Singapore Plans

When families ask what 13D is, we also consider how the fund structure fits into their wider plans for Singapore. For an overseas principal, establishing a family office may involve company incorporation, immigration, family relocation, investment management, and longer-term residency planning.

Our family office solutions bring these considerations together. We review your existing offshore arrangements, intended Singapore presence, and longer-term family plans to identify how the fund and family office can be structured alongside your relocation strategy.

Get in touch to discuss your existing arrangements and the next steps for establishing your family office in Singapore.

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