A business sale or IPO changes the shape of a family’s wealth, not just its size. What was a single illiquid holding becomes a pool of capital that needs custody, oversight, reporting, tax coordination, and eventually a governance structure. The question that follows is structural: does the family build a private family office, join a shared one, coordinate outside providers, or simply deepen an existing advisory relationship?
This guide covers the realistic structural options after a liquidity event, why the decision generally shouldn’t be made in the first few months, and what actually distinguishes one path from another.
Quick Answer After a liquidity event, most families do not need to build a private single-family office. The realistic alternatives are a multi-family office, an outsourced or virtual family office coordinating external providers, an outsourced chief investment officer arrangement covering investment management specifically, or a single fiduciary advisory relationship coordinating the wider picture. The structural decision is generally better made several months after the transaction rather than immediately, because commitments made under time pressure, long lock-up investments, complex holding structures, are among the most expensive to reverse. |
Why the Structural Decision Shouldn’t Be Rushed
The period immediately following a liquidity event is when a family is approached most aggressively and is least equipped to evaluate what it’s being offered. Selling a business well demonstrates operating skill; it does not confer expertise in evaluating a private credit fund, a co-investment, or a multi-entity holding structure.1 Those are different competencies, and the gap between them is where costly commitments tend to get made.
There’s a practical asymmetry worth noting: holding proceeds in short-dated instruments across a few institutions for several months costs relatively little and preserves every option. Capital committed to a fund with a ten-year lock, or a holding structure built by several advisers, is among the most expensive decisions to unwind.1 Deferring the structural choice is not indecision; it’s paying a small, known cost to avoid a large, uncertain one.
That said, the exception matters: some planning windows genuinely close at the transaction. Estate and gifting strategies, entity structuring, and certain tax elections are largely fixed once the deal closes.2 What remains open afterward, and what this article addresses, is capital deployment, ongoing investment management, and the operating structure for overseeing it.
The Realistic Alternatives
Multi-family office. A shared professional team serving several unrelated families, spreading the cost of staff, technology, and infrastructure across a client base rather than asking one family to fund the whole operation. Delivers much of a single-family office’s breadth without the family becoming an employer.
Outsourced or virtual family office. The family retains external providers, an investment adviser, CPA, estate attorney, sometimes an administrator, and coordinates them around a shared view of the family’s finances. A virtual arrangement typically adds a unifying technology and reporting layer. The family, or a small internal coordinator, directs the providers rather than employing a team. Our companion guide covers how this model works in more depth.
Outsourced chief investment officer (OCIO). A narrower arrangement in which a specialized firm takes responsibility for portfolio management, manager selection, and rebalancing, while the family retains its own governance structure for everything else.3 This outsources one function rather than the whole operation, and can be a reasonable step for families whose primary gap is investment oversight.
A single fiduciary advisory relationship. For many families, the actual goal isn’t a family office at all; it’s having one accountable relationship coordinating investments, tax, and estate strategy alongside the professionals already handling the technical work. This is the least structurally complex option and often the appropriate one below the asset levels where a dedicated office becomes economical.
Comparing the Options
| What it delivers | What the family takes on | Where it tends to fit |
Private single-family office | Maximum control, privacy, and customization | Becoming an employer; largely fixed operating costs | Commonly discussed around $100 million and up |
Multi-family office | Family-office breadth via a shared team | A shared-provider relationship rather than a dedicated one | Often the tens of millions to low hundreds of millions |
Outsourced / virtual family office | Coordination across external providers, often with unified reporting | Directing providers and ensuring someone owns the coordination | Often discussed from roughly $10 million upward |
OCIO arrangement | Investment management and oversight specifically | Retaining governance and non-investment coordination internally | Families whose primary gap is portfolio oversight |
Single fiduciary advisory relationship | One accountable relationship coordinating the wider picture | Least structural complexity; relies on the coordinating firm’s breadth | Families wanting the outcome rather than the operation |
The asset ranges above are commonly cited industry rules of thumb, not thresholds, and vary considerably with how complex a family’s affairs actually are.4 For the underlying cost economics of a private office, see our article on how much money you need for a family office.
The Failure Mode to Watch For
Whichever model gets chosen, the recurring failure is the same: fragmentation without accountability. When investment management, tax, estate planning, and administration sit with separate firms and no single party owns how they fit together, families end up with inconsistent reporting methodologies, duplicated or conflicting advice, and no clear answer to who is watching the whole picture.5 The structural label matters less than whether one relationship is explicitly responsible for coordination.
Frequently Asked Questions
Usually not a private single-family office. The realistic alternatives are a multi-family office, an outsourced or virtual family office, an outsourced chief investment officer arrangement, or a single fiduciary advisory relationship coordinating the wider picture. Which fits depends more on the complexity of the family's affairs than on the size of the proceeds alone.
The structural decision generally benefits from several months of deliberation rather than being made in the first weeks. Holding proceeds in short-dated instruments preserves optionality at low cost, while long lock-up investments and complex holding structures are expensive to reverse. Estate, gifting, and entity decisions are a different matter, since many of those windows close at the transaction itself.
A multi-family office is a firm with its own shared team serving multiple families. An outsourced family office is a coordination model in which the family retains separate external providers and someone, often the investment adviser, coordinates them. One is a provider; the other is an operating approach.
An outsourced chief investment officer arrangement delegates portfolio management, manager selection, and rebalancing to a specialized firm while the family keeps its own governance for everything else. It addresses investment oversight specifically rather than replacing a full family office.
Committing to structures or long-lock investments before deciding what the family actually wants, and ending up with multiple providers and no single party accountable for coordinating them.
Where This Fits Into a Broader Financial Plan
The structural question after a liquidity event, which model, or whether one is needed at all, sits alongside the more immediate questions of how proceeds get invested, what the tax picture looks like, and how estate documents need to change now that the asset base is liquid.
At Moran Wealth Management, we serve as a fee-only, fiduciary registered investment adviser at the center of that coordination: managing the investment relationship directly and working alongside a family’s CPA, attorney, and transaction professionals so decisions get made with a full view of the picture. We do not provide legal or tax services directly; those remain with the outside professionals we coordinate with.
If you’ve recently completed a liquidity event, or expect to, schedule a complimentary consultation to talk through what structure fits your situation.
This example is provided solely to illustrate a general concept and should not be construed as investment, legal, or tax advice, or as a recommendation of any strategy or product. Individual circumstances vary, and actual outcomes for any investor will differ. Please consult your advisor to discuss how these concepts may or may not apply to your specific situation.
We do not provide tax or legal advice; please consult your CPA, attorney, or registered tax professional for individualized tax or legal advice.
This communication does contain content generated or assisted by artificial intelligence (AI). While reviewed for accuracy, AI-generated content may not fully reflect all nuances of your individual circumstances. Please consult your advisor directly for personalized guidance.
Sources
[1] Westwick Partners, “Family Office After a Liquidity Event: Where to Start.” https://westwick.org.uk/blog/knowledge/family-office-after-a-liquidity-event/
[2] BPM, “Family Office Liquidity Event Planning: Get Ahead.” https://www.bpm.com/insights/family-office-liquidity-event-planning/
[3] WE Family Offices, “What Are the Alternatives to Starting a Single Family Office?” https://www.wefamilyoffices.com/resource/what-are-the-alternatives-to-starting-a-single-family-office/
[4] Aleta, “The Family Office Structure: A Comprehensive Guide.” https://aleta.io/knowledge-hub/the-family-office-structure
[5] FundCount, “Virtual Family Office: How It Works & Benefits.” https://fundcount.com/virtual-family-office-structure-setup-costs/