The wire lands on a Friday. By Monday the family has more money than it has ever held and less to do with it than at any point in the previous thirty years.
That gap is where the trouble starts. For decades the wealth had a shape. It was a business, with a rhythm, a management team, and a clear answer to the question of what everyone should be doing on a Tuesday morning. A sale removes all of that in an afternoon and replaces it with a balance and a decision.
What we have seen, time and again, is that families reach for the investment question first. Which manager, which allocation. It arrives loudest because every provider in the market is equipped to answer it, and because answering it feels like progress. It is also the question a family is least ready to settle in the weeks after completion.
The sale itself is a separate discipline, and one we have set out in our guide to selling a family business. This piece starts the day after.
Liquidity changes the family's job
Before the sale, the family had one asset it understood in detail. Members knew the customers, the cycle, and the reason each decision had been taken. Ownership carried its own education.
Afterwards the family holds capital, which teaches nobody anything. Nothing in running a manufacturer or a distribution group prepares a family for judging a private credit fund or a co-investment. The knowledge that made the family wealthy stops being the knowledge it needs.
This is the honest starting point. The family has not become sophisticated by selling well. It has become liquid, which is a different condition and a more exposed one.
Park it, then decide
The most useful thing a family can do in the first quarter is very little.
Proceeds sitting in short-dated instruments across two or three banks earn a modest return and preserve every option. That is not idleness. It is the price of not committing to structures the family has not yet chosen. Cash held on purpose for six months is one of the cheapest decisions available. Capital placed into a fund with a ten-year lock, or a holding structure that took four advisers to build, is one of the most expensive to reverse.
Around a third of family offices hold more than a tenth of their assets in cash, which the J.P. Morgan research treats as potentially sub-optimal. Read against a newly liquid family, the number looks different. Some of that cash is a family buying time it needs.
The pressure to deploy comes from outside. Within weeks of a sale becoming public, a family will hear from private banks, fund managers, structuring lawyers and residency advisers. Every one of them has a product that only makes sense once the family has decided what it wants. Deciding under that volume of noise is how families end up with a portfolio nobody chose.
Say what the wealth is for before saying where it goes
The question that unlocks everything else is the least financial one. What is this money for?
Answers vary more than families expect. One branch wants income and quiet. Another wants to build again. A third assumed the proceeds would stay invested for grandchildren who are not yet born. None of these positions is wrong. Each one produces a different portfolio and a different office.
Families with an operating business carry a particular exposure here. In J.P. Morgan's 2026 survey of single family offices, 41% of families that own a business placed internal conflict in their top three risks, close to twice the rate reported by the rest. A sale removes the thing that held those differences in check. The business used to absorb disagreement, because there was always an operational answer. Cash absorbs nothing.
Held early, this conversation is a family project. Held late, it becomes a negotiation, usually about a distribution someone wants and someone else opposes. The difference between the two is a matter of months.
Build the smallest office that works
Once the family knows what the money is for, the shape of the office follows. The order matters, because an office built first will define the strategy by accident.
The reliable test of any structure is how quickly and at what cost it can be taken apart. A holding company, a trust, an offshore vehicle and a nominee arrangement are all easy to build and slow to unwind. Families accumulate them because each one solved a problem in its own week, and nobody asked what the collection would cost to dismantle in ten years.
The same discipline applies to people. A family that holds a liquid portfolio through three managers does not need eight staff. It needs someone senior enough to hold the managers to account, an administrator who controls the record, and a rule about who signs what. Our guide to setting up a family office sets out the sequence in more detail. Roles get added as the portfolio grows into direct holdings or property.
Less is better than more, and it is far easier to add a role than to remove one.
A new office usually needs new people
The finance director who ran the company through the sale is the obvious candidate to run the office. Sometimes that works. It should not be assumed.
Running an operating business rewards cost control and forecasting against a cycle the person already knows. Running a family's capital rewards different instincts, and it adds something the corporate role never had: serving several family members who hold different views at once. Loyalty built over twenty years is real and deserves respect. Fit for a new job is a separate question.
The kinder approach is to say this openly in the first weeks. Offer a defined role through the transition, with a clear end point and terms that recognise what the person gave. Families that avoid the conversation for a year usually have it anyway, in worse circumstances, with a person who feels they were kept in the dark.
What the family keeps and what it buys
Almost every new office is a hybrid, and the useful question is where the line falls.
Technical execution can be bought. Accounting support, tax filing, legal drafting, custody, consolidated reporting. The market for these is deep and the work is verifiable. What stays inside is the deciding and the record: strategy, capital allocation, the family conversation, and the family's own knowledge of why each arrangement exists. Stewardship is a commitment rather than a subscription service, and a family that outsources it stops being the author of its own affairs.
Buying well is a skill in itself. Only a quarter of family offices describe the service they receive from external providers as consistently excellent, according to Campden Wealth research. That figure should temper any expectation that appointing a good firm settles the matter. Providers need to be scoped, held to that scope, and reviewed. Our note on when to outsource covers where the line usually sits.
The first eighteen months, in order
The sequence we would recommend to a family that has just completed a sale:
Hold the proceeds in short-dated instruments across more than one bank, and set a date by which that arrangement will be reviewed rather than leaving it open. Agree who speaks for the family while the position is temporary, and how a decision gets made in the meantime.
Then run the conversation about purpose, with everyone who has a claim on the outcome in the room, including the members nobody usually asks. Write down what was agreed, in short form the family produces itself rather than a document commissioned from a bank.
Only then design the structure, and design it against the dismantling test. Hire for the two or three roles that have to sit inside. Buy the rest, on scoped terms, with named review dates.
The period after a liquidity event is when a family is courted hardest and equipped least well to judge what it is being offered. It is also the last point at which everything remains reversible. Six months spent working out what the family wants is cheaper than correcting an office somebody else designed.
This article is part of our series on setting up a family office. The reference piece for the series: How to Set Up a Family Office.
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