A family office is a private company set up to manage the wealth and affairs of one wealthy family (or a small group of them). It handles investments, taxes, estate planning, and often day-to-day personal matters like bill payments, property management, and staff payroll.
The easiest way to picture it: imagine your bank, accountant, lawyer, estate planner, and executive assistant all worked in one office and only had you as a client. That’s the idea.
There’s an old line in the industry — if you’ve seen one family office, you’ve seen one family office. Every family’s version looks different because the setup is shaped around what that family actually needs.
Single-family vs multi-family offices
Two main structures exist, and the difference matters:
A single-family office (SFO) serves one family exclusively. Fully customised. Fully private. Also expensive — you’re paying for the entire setup yourself.
A multi-family office (MFO) serves several families at once. You share the staff and overhead, which brings the cost down, but you also share the attention.
For most HNWIs entering this world for the first time, an MFO is honestly the better starting point. SFOs make more sense further up the wealth curve.
What are the core services offered by a family office?
The core services offered by a family office fall into five main areas: investment management, estate and tax planning, family governance, philanthropy, and lifestyle administration. Most offices do the first three well. The last two depend on how involved the family wants their office to be in daily life.
Let’s look at each one.
1. Investment and wealth management
This is the engine of most family offices. The team manages the family’s capital across:
– Public markets (stocks, bonds, ETFs)
– Private equity and venture capital deals
– Real estate, both direct and fund-based
– Hedge funds and alternatives
– Cash and liquidity management
Some offices run money actively in-house. Others just allocate to outside managers and focus on oversight. Neither is wrong — it depends on what the family wants to be good at.
2. Estate and succession planning
This is often the real reason a family office exists. Strong investment returns don’t matter much if the wealth gets taxed down to a third when it passes to the next generation, or if the heirs end up in court fighting each other.
Family offices set up trusts, foundations, and holding structures to make wealth transfer clean and predictable. They also prepare heirs — financial education, gradual involvement in decisions, and sometimes formal family constitutions that spell out how decisions get made.
3. Tax and legal
Cross-border families create cross-border problems. A family with members in different countries needs someone keeping the tax residencies clean, the structures compliant, and the filings on time in every jurisdiction the family touches. This alone justifies a lot of family office budgets.
4. Philanthropy
If the family has a foundation or does significant charitable giving, someone needs to run it properly — vetting causes, filing reports, and making sure the giving actually reflects what the family cares about rather than whoever asked most recently.
5. Lifestyle administration
This is where family offices start resembling high-end concierge services. The bigger the office, the wider the scope:
- Paying household bills and managing payroll for staff
- Property management across multiple homes
- Oversight of yachts, aircraft, art collections, classic cars
- School applications, travel planning, personal security
- Vendor management and sometimes private event planning
Not every family wants this. Some keep their office strictly financial. Others want everything under one roof.
The seven functional types of family office
Beyond the SFO/MFO split, family offices take different shapes based on what the family actually asks them to do. Here are the seven working models you’ll see in practice:
- The personal-assistant model: Small, informal. Mostly handles scheduling, travel, and personal errands. More lifestyle than finance.
- The concierge or lifestyle office: A step up from a PA. Manages household staff, insurance, charities the family supports, and personal logistics across properties.
- The financial office: Usually one bookkeeper or accountant handling bills, bank transfers, payroll, and daily cash. Often someone who already worked in the family business.
- The family-business office: Sits above the family’s operating companies like a head office. Makes sure the businesses don’t compete with each other and that governance stays clean.
- The administrative office: Exists to manage complex trust and company structures. Its job is paperwork, compliance, and keeping the legal architecture alive.
- The investment office: Staffed by investment professionals. Runs the liquid wealth, often with discretion. Performance is how they’re judged and paid.
- The full-service office: Does all of the above. This is what most people picture when they hear “family office,” but it’s also the most expensive and the hardest to build.
Most families don’t start with full-service. They start with whichever model solves their biggest pain point, then expand over time.
When do you actually need a family office?
Here’s the honest cost-benefit picture:
| Net worth | What usually makes sense |
| Under $30M | Private bank or a strong wealth manager |
| $30M – $100M | Multi-family office (MFO) |
| $100M – $500M | Dedicated MFO relationship or a lean SFO |
| $500M+ | Full single-family office becomes economical |
Running a single-family office is a meaningful commitment once you include staff, technology, office space, compliance, and professional fees. For families below a certain level of investable wealth, a multi-family office often delivers the same quality of service without the fixed overhead of building a dedicated structure from scratch. The right choice depends less on a single number and more on the complexity of the family’s affairs and what they want their office to actually do.
The common triggers for setting one up are specific life events, not a gradual decision:
- You sold a business and suddenly have a nine-figure liquidity event
- You inherited a complicated estate with assets in multiple countries
- You have six advisers giving contradictory advice and nobody sees the whole picture
- The next generation is taking on responsibility and needs a structure to grow into
How family offices typically invest
One thing that surprises people new to this world: family offices don’t invest the way wealth managers do. The incentives are different, the time horizon is longer, and the portfolio usually looks nothing like a standard model portfolio.
A few patterns show up across most family offices:
- Heavier allocation to private markets. Private equity, venture capital, and direct deals often make up 30–50% of the book. Public markets alone rarely deliver the returns a family office targets.
- Real estate as a core holding. Many offices treat property as both an investment and a lifestyle asset. It’s illiquid, but families generally aren’t trying to exit in a hurry.
- Alignment-driven hedge fund selection. Family offices tend to pick hedge funds where managers have significant personal capital at risk. The logic is simple: skin in the game.
- Long holding periods. A pension fund may measure performance quarterly. A family office may measure it across a generation. That changes what “good investment” means.
The goal isn’t to beat the S&P 500 next year. It’s to keep real wealth intact, after tax and inflation, across decades.
Frequently asked questions
What’s the minimum net worth for a family office?
Most advisers use $30 million as the threshold for a multi-family office and roughly $100 million before a single-family office makes economic sense. Below $30 million, a private bank usually does the job.
What’s the difference between a family office and a private bank?
A private bank serves many wealthy clients and sells you their products. A family office works only for you (or your family), uses outside banks and managers as vendors, and has no incentive to push specific products.
Can a family office invest in other families’ wealth?
Some multi-family offices do. Single-family offices usually don’t, though a few take outside money — this is called a “hybrid” structure and comes with more regulatory requirements.
Is a family office regulated?
Regulation varies by jurisdiction. In the US, most SFOs are exempt from SEC registration under the 2011 Family Office Rule. Most other major jurisdictions have lighter requirements for SFOs than for traditional financial firms, though disclosure rules have tightened in recent years.
What jobs exist inside a family office?
A mid-sized office usually has a CEO or principal, a CFO or controller, an investment lead, a tax/legal coordinator, and one or two administrative staff. Larger offices add in-house analysts, an estate planner, and sometimes a director of philanthropy.
Key takeaways
- A family office is a private company that manages one wealthy family’s money, taxes, estate, and often their personal affairs – think CFO, lawyer, and personal office combined.
- You generally need $30 million+ in investable assets to justify a multi-family office, and $100 million+ before a single-family office pays for itself.
- Family offices come in seven functional types, from basic personal-assistant setups to comprehensive service providers.
- Core services usually fall into five areas: investment management, estate and tax planning, family governance, philanthropy, and lifestyle administration.
