Every family above a certain level of wealth eventually asks the same question: do we build our own family office, or join a multi-family office that serves several families at once? The usual framing is about cost. Below some threshold, go multi; above it, go single. You’ll see that number quoted a lot.
I think the cost framing is the wrong starting point, and it leads people to the wrong answer.
What the cost argument gets right
There’s truth in it. A single family office is expensive to run properly. By the time you’ve got capable people, systems, premises and the overhead of being a real organisation, you’re spending a meaningful amount every year before anything else happens. If your wealth can’t absorb that comfortably, a multi-family office spreads those costs across several families and gives you professional service without carrying the whole weight yourself. For many families, that’s genuinely the right call.
What it misses
Cost tells you what you can afford. It doesn’t tell you what you need. And the real question isn’t “how much money do we have,” it’s “how much of our private life do we want run by people who only work for us, versus people who work for several families at once.”
That’s not a small distinction. A multi-family office is a shared service. Good ones are excellent, but your household staff, your travel, your properties, your family’s private affairs are being handled alongside other families’ — with shared attention, shared priorities, and a relationship that is, ultimately, commercial and one-of-many. For the investment and administrative side, that’s often fine. For the genuinely private, discretion-heavy, this-is-our-home side of things, some families are not comfortable with it, and shouldn’t be.
The question to actually ask
Forget the cost threshold for a moment and ask this: which parts of your life need people who are exclusively yours, and which parts are fine being served by a shared professional team?
For most families the answer is a split. The investment management, tax, reporting, compliance — all of that works perfectly well through a multi-family office, and often better, because they have specialists you couldn’t justify hiring alone. But the household operations, the estate management, the staff, the personal and family matters — the parts where privacy and exclusive loyalty actually matter — those are the parts families increasingly want kept in-house, or run by someone who works only for them.
A hybrid is usually the real answer
In practice, the best setups I’ve seen aren’t purely single or purely multi. They use a multi-family office or external specialists for the financial and administrative machinery, and they keep a small, dedicated operation for everything private and household. You get the cost efficiency where it doesn’t cost you anything that matters, and exclusive, discreet attention where it does.
That dedicated household and estate operation doesn’t need to be large. One trusted operation running your residences, staff, travel and private affairs, coordinating with your external financial team, covers it for most families.
Where I come in
The dedicated, household-and-operations side is the work I do — for families who’ve decided that part of their life should be run by someone who works only for them. If you’re weighing single versus multi, or you’ve gone multi and realised the private side still needs its own hands, it’s worth a conversation. Email me at bilal.muhd@outlook.com.
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