# Family Office: SFO/MFO Structure, Jurisdictions, Governance and Succession

> How SFO differs from MFO, which jurisdictions family offices choose (Singapore 13O/13U and VCC, UAE, Switzerland), why family charter matters and succession planning.

Author: Мария Плотникова — юрист, Family Office (https://wiki.private.law/authors/plotnikova)
Last modified: 2026-07-05T08:31:00.000Z
Canonical: https://wiki.private.law/en/family-office
Topics: structures
Jurisdictions: global
Semantic tags: fund-vehicle
Article type: hub

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## Concept

> 🔗 **Related**
> [holdings](https://wiki.private.law/en/holding-structures)

A family office is the institution that runs the capital and affairs of one family (single family office, SFO) or several families (multi family office, MFO). Under one roof it carries investment management, legal and tax work, succession, consolidated reporting, philanthropy and the education of heirs, and often the practical side of family life — property, travel and security. In structural terms it is the headquarters that ties holdings, funds, trusts and foundations into one system, with a single investment policy and a single set of books.

The model is not new. Wealthy families once leaned on private banks and trusted lawyers, but in 1882 John D. Rockefeller built a full-service office of professionals working only for the family, and that office is generally treated as the first modern single family office. What was the preserve of industrial dynasties is now a large and fast-growing class of institution: Deloitte counts roughly 8,030 single family offices worldwide in 2024 and expects about 10,720 by 2030, with assets under management rising from around US$3.1 trillion to US$5.4 trillion. Much of that growth is demographic, which is why succession now sits at the centre of the brief.

## SFO or MFO

An SFO serves one family and usually earns its keep above roughly US$100–250 million in investable assets: it is costly to staff, but it gives full control, confidentiality and a mandate built around a single balance sheet. An MFO spreads people, systems and cost across several families, which makes it the sensible entry point lower down the scale, or for a family that wants institutional-grade investing, custody and reporting without building a team from nothing. The choice comes down to a familiar trade: control and privacy on one side, cost and shared scale on the other.

> ⚙️ The hard part of a family office is rarely the investing. It is aligning several people, often several generations, behind one set of rules, and keeping those rules credible when money and emotion collide.

## Governance

> 🔗 **Related**
> [private foundation](https://wiki.private.law/en/private-foundations)  ·  [holding company](https://wiki.private.law/en/holding-structures)

Most of what makes a family office work is governance rather than stock-picking. The core instruments are an investment committee that sets and reviews policy, a family constitution that records the family's values and rules, and a clear map of decision rights: who can commit capital, who sits on which body, and how and when the next generation steps in. Good governance also plans for conflict, such as divorce, death or a falling-out between branches, before it arrives, because those are the moments that break both the capital and the office. A private foundation or a holding company usually supplies the legal backbone, but the documents only work if the people and the process behind them do.

> 💡 Investment losses can be recovered. A governance failure during a generational transition usually cannot, which is why the committee, the constitution and the decision-making rules matter more than any single trade.

## Jurisdictions

> 🔗 **Related**
> [foundation](https://wiki.private.law/en/uae-fund-manager-adgm-difc)

Where a family office sits is a question of tax, substance and reputation at once. Singapore offers the Section 13O and 13U fund tax incentives, usually run through a Variable Capital Company (VCC); since 1 January 2025 a 13O fund needs at least S$5 million in designated investments and two investment professionals, while 13U requires S$50 million and three professionals including at least one non-family member, alongside local business spending of S$200,000 to S$500,000. Hong Kong grants a 0% profits-tax concession to a [family-owned investment holding vehicle (FIHV)](https://www.ird.gov.hk/eng/tax/bus_fihv.htm) run by an eligible single family office, provided it holds at least HK$240 million in qualifying assets. The UAE has become a serious contender: the DIFC Family Arrangements Regulations 2023 let a family with at least US$50 million in net assets license an office as a company, partnership or foundation, and ADGM runs a parallel common-law regime with its own foundations law. Switzerland competes less on headline tax than on banking depth, infrastructure and stability.

> 🧭 The incentive regimes look alike on paper but buy different things. Singapore and Hong Kong sell access to Asian markets inside a regulated fund wrapper; the UAE sells a zero-tax common-law base close to the family; Switzerland sells durability. Anchor the office where the family and its assets actually are.

## Substance and reporting

> 🔗 **Related**
> [substance](https://wiki.private.law/en/economic-substance)  ·  [CRS and FATCA](https://wiki.private.law/en/crs-overview)

None of these regimes is a mailbox. Each demands real substance, meaning qualified staff on the ground, local operating spend and decisions genuinely taken in the jurisdiction, and the tax benefit is conditional on meeting that test every year. Transparency sits on top of it: under CRS and FATCA, account and controlling-person data is reported and exchanged automatically, so a modern family office is designed to be compliant and reported, not hidden. Where an office drifts into giving investment advice or managing outside money it can cross into licensed-activity territory, which is why most single family offices are built carefully to stay on the family side of that line.

## Succession

> 🔗 **Related**
> [succession plan](https://wiki.private.law/en/succession-planning)  ·  [business succession](https://wiki.private.law/en/business-succession)  ·  [Wealth Planning (Singapore)](https://wiki.private.law/en/wealth-planning-singapore)  ·  [Trust Structures (Singapore)](https://wiki.private.law/en/trust-singapore)  ·  [Private Foundations](https://wiki.private.law/en/private-foundations)  ·  [Holding Structures](https://wiki.private.law/en/holding-structures)  ·  [Economic Substance](https://wiki.private.law/en/economic-substance)  ·  [UAE Family Office (ADGM/DIFC)](https://wiki.private.law/en/uae-fund-manager-adgm-difc)  ·  [CRS Reporting](https://wiki.private.law/en/crs-overview)  ·  [Family Holding & Succession](https://wiki.private.law/en/family-holding-succession)

Succession is the defining problem of the next two decades. [Cerulli estimates](https://www.cerulli.com/press-releases/cerulli-anticipates-124-trillion-in-wealth-will-transfer-through-2048) that roughly US$124 trillion will change hands in the United States alone through 2048, about US$105 trillion to heirs and US$18 trillion to charity, and four-fifths of it comes from the Baby Boomer generation and older. For a family office the task is concrete: prepare the next generation, write down how ownership and control will pass, and stress-test the structure against the moment of transfer. Handled through a proper succession plan and, where an operating company is involved, a business succession arrangement, the transition holds; left to chance, both the capital and the office lose their footing exactly when stability matters most.

> 💡 A good family office is designed "three generations ahead": ownership structure, governance and succession are more important than immediate tax optimization.

> 🍓 Treat the family office as a governance institution first and an investment operation second. Choose the structure and the jurisdiction around the family and its succession; in that order, the tax efficiency tends to take care of itself.

**🧭 Check your case**: [Inheritance Navigator](https://wiki.private.law/en/legacy) — an interactive map of your case: applicable law, forced heirship and taxes for your country pair.

This material is for reference purposes only and does not constitute individual advice.

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## Factual claims

- An SFO serves one family and usually earns its keep above roughly US$100–250 million in investable assets: it is costly to staff, but it gives full control, confidentiality and a mandate built around a single balance sheet.
- 🧭 Check your case: Inheritance Navigator — an interactive map of your case: applicable law, forced heirship and taxes for your country pair.