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役割と人員配置 · 役割別ガイド

Controller

6 分で読めます 更新日 Aug 08, 2026
A family office controller owns the books: recording every transaction, closing the accounts each month, producing financial statements, and making sure the numbers that flow to CPAs, investment teams, and family members are accurate. In lean offices, the controller often handles the entire finance function — bill pay, cash tracking, tax-document preparation, and consolidated reporting — without a CFO above them. As the office grows, the role narrows toward technical accounting while a CFO or CEO takes on strategy and family communication.
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What a Family Office Controller Does

The controller is the person responsible for the integrity of the family office's financial records. Where a CFO focuses on strategy and decision-making, the controller focuses on execution: every transaction gets recorded correctly, every account gets reconciled, and every report gets produced on time. Think of it as the difference between designing a bridge and making sure the bolts are torqued to spec.

In a family office, that scope is broader than it sounds. The family's financial life typically spans multiple legal entities, investment accounts, real estate holdings, and personal expenses — all of which the controller must track in a single, coherent set of records. That process of pulling everything together into one view is called consolidated reporting, and it is often the most time-consuming part of the job.

Core Responsibilities

Books and Monthly Close

The monthly close is the heartbeat of the controller's calendar. It means reconciling every bank and brokerage account, posting investment activity, allocating income and expenses to the correct legal entity, and producing a net-worth statement — a snapshot of everything the family owns and owes. Families with a dozen entities or more can find this process alone consumes the better part of two weeks each month.

Bill Pay and Financial Controls

Bill pay sounds routine, but in a family office it carries real risk. Controllers typically build and enforce an approval matrix — a written policy that spells out who can authorize payments up to each dollar threshold. Many offices also require dual control, meaning two people must authorize any wire transfer above a set amount, a safeguard against both internal errors and external wire fraud. A controller who treats these controls as bureaucracy rather than protection is a liability.

Reporting Production

Controllers produce the financial statements that everyone else in the office — and the family — relies on. That includes monthly or quarterly personal financial statements, entity-level profit and loss reports, and investment account summaries. In offices that use a technology platform, the controller is usually the power user who keeps the data clean and pulls reports from the system.

CPA Coordination and Tax Support

The controller is almost never the person who signs a tax return, but they do most of the work that makes a tax return possible. That means organizing Schedule K-1s from partnerships and funds, tracking cost basis across investment accounts, preparing workpapers for the external CPA firm, and managing the flow of documents throughout the year. Readers should be aware that tax strategy and preparation require qualified CPAs and tax attorneys — the controller's role here is coordination and data integrity, not advice.

When an Office Needs a Controller

The controller is commonly the first dedicated finance hire a family office makes. Before this role exists, a family's bookkeeping often falls to an assistant, an external CPA billing by the hour, or — honestly — no one in particular. That patchwork breaks down quickly when transaction volume rises, entities multiply, or the family wants timely, accurate reporting rather than a once-a-year tax surprise.

Families with a meaningful number of investment accounts, one or more legal entities, real property, and regular personal expenses — think a family that recently completed a liquidity event and is now organizing its affairs — typically find that a controller pays for themselves in reduced CPA fees, caught errors, and cleaner information for decision-making. There is no universal asset threshold; the driver is complexity, not a number on a balance sheet.

For more on where the controller fits into broader staffing decisions, see the Family Office Roles & Staffing guide and the discussion of sequencing in Hiring the Core Team.

Outsourced and Fractional Options

Not every office needs a full-time controller from day one. Families commonly start with a fractional controller — a professional who works a set number of days per week or month, often through a firm that specializes in family office outsourcing. This approach trades some responsiveness for lower cost and immediate access to an experienced operator.

An outsourced controller makes the most sense when transaction volume is manageable, the family's structure is not yet fully built out, and day-to-day contact with the controller is not required. As complexity grows — more entities, more investment activity, more staff expenses — families often find that bringing the role in-house becomes more practical. The tradeoff between building in-house and outsourcing is explored in depth at Step 4: Internal vs. Outsourced.

Reporting Lines and Role Combinations

In a mid-sized or larger office, the controller typically reports to the CFO and supervises one or more accountants or bookkeepers. The CFO sets the financial strategy and manages the family relationship; the controller runs the accounting engine that makes that strategy visible.

In a micro family office or a lean office, the controller often is the entire finance function. The same person may handle bookkeeping, bill pay, CPA coordination, payroll for household employees, and basic reporting — without a CFO above them and without junior staff below. In these situations, the controller typically reports directly to the CEO or Managing Director, or in some cases directly to the family principal themselves.

Some lean offices combine the controller role with elements of a COO or Chief of Staff function — handling vendor relationships, insurance renewals, and operational logistics alongside the core accounting work. This kind of role combination is common and practical early on, though it can create overload as the office grows.

Skills and Qualifications

Controllers in family offices are almost always credentialed accountants. A CPA license (Certified Public Accountant) is the most common qualification; some offices also look for candidates with a background in public accounting, meaning they previously worked at an accounting firm auditing or preparing financials for clients. That background is valuable because it builds fluency with complex entity structures and reporting standards.

Beyond technical credentials, the most effective family office controllers tend to share a few qualitative traits:

  • Discretion. The controller sees everything — income, expenses, debts, family dynamics encoded in transactions. Absolute confidentiality is not optional.
  • Attention to detail without perfectionism paralysis. Accuracy matters enormously, but so does producing reports on a schedule. The controller who spends three weeks perfecting a report no one reads has missed the point.
  • Systems thinking. Family office accounting involves multiple software platforms, data feeds, and manual processes. Controllers who can identify where errors enter a system — and fix the system rather than just the error — are disproportionately valuable.
  • Comfort with ambiguity. Family offices are not publicly traded companies with standardized reporting requirements. The controller often has to make judgment calls about how to classify an unusual transaction, then document that judgment clearly.
  • Communication skills. A controller who can explain a balance sheet to a family member who has never read one is worth considerably more than one who cannot.

A Week in the Role

Consider a controller at a lean single-family office serving a family with three operating LLCs, a brokerage account, two pieces of real estate, and a private foundation. On Monday, she pulls the prior week's bank and brokerage activity into the accounting system and posts transactions to the correct entities. Tuesday is bill pay day: she reviews the week's invoices, flags two for the managing director's approval under the office's approval matrix, and releases the rest. Wednesday she spends preparing a capital account summary for the managing director ahead of a call with the family's CPA firm — the CPA needs updated basis figures before making a tax estimate. Thursday she reconciles the foundation's accounts separately, since its books are kept under different accounting standards than the family's personal entities. Friday morning she compiles the monthly reporting package — still two weeks out, but she is already tracking items that will need follow-up — and spends the afternoon cleaning up a data discrepancy in the consolidated reporting software that caused one investment account's balance to import incorrectly. No two weeks are identical; the close week at month-end will look entirely different.

よくある質問

Is a controller the same as a CFO in a family office?
No — the two roles are distinct, though in lean offices one person sometimes performs both. The controller owns the books, the reconciliations, and the production of financial reports. The CFO typically focuses on financial strategy, family communication, and oversight of the controller's work. In smaller offices without a CFO, the controller often reports directly to the managing director or the family principal.
Does a family office controller need to be a CPA?
A CPA license is common and generally preferred, but it is not a universal requirement. What matters most is demonstrated experience with complex entity structures, multi-account reconciliation, and the kind of discretion that family office work demands. Families who want someone to also coordinate directly with external tax preparers typically find that CPA credentials smooth that relationship considerably.
Can a family office start with an outsourced or fractional controller?
Yes, and many do. A fractional controller — someone who works part-time or on a project basis — is a common starting point when a family's transaction volume does not justify a full-time hire. As entity count, investment activity, and reporting demands grow, families often transition to a full-time in-house controller. The right timing depends on complexity, not any particular asset level.
Who does the controller typically report to?
In a mid-sized or larger family office, the controller usually reports to the CFO, who handles strategy and family relationships while the controller runs the day-to-day accounting function. In a lean or micro office without a CFO, the controller commonly reports directly to the managing director, CEO, or the family principal. As offices grow, the controller may also supervise junior accountants or bookkeepers.
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続きを読む

ファミリーオフィス

What Is a Family Office?Do You Need a Family Office?Single Family Office (SFO)Multi-Family Office (MFO)Micro Family OfficeWhat a Family Office CostsWhy Family Offices Exist

ファミリーオフィスを構築する

How to Build a Family Office From the Ground UpStep 3: The Organizational StructureStep 4: Internal vs. Outsourced (Build vs. Buy)The First 90 Days: Turning the Lights OnStep 1: Define the Family Office's PurposeStep 2: Inventory the Family's AssetsStep 5: Hire the Core Team

投資

How Family Offices InvestDirect InvestingAsset Allocation for Family CapitalThe Investment Policy Statement (IPS)Liquidity, Concentration, and RiskPublic Markets: Equities and Fixed IncomeReal Estate in the Family Portfolio

オペレーション

Family Office AccountingFamily Office TechnologyFamily Office CybersecurityConsolidated Reporting: One True Net WorthBill Pay, AP, and Financial ControlsFamily Office Software, Category by CategoryBanking, Custody, and Treasury

ガバナンスと相続

Family GovernanceEstate Planning and Wealth TransferHow Family Offices Manage TaxPhilanthropy and the Family OfficeThe Family ConstitutionSuccession: The Office After the FounderPreparing the Next Generation

業界

Careers in Family OfficesHow the Family Office Industry Is ChangingFamily Offices and Regulation

役割と人員配置

Family Office Roles & Staffing, MappedFamily Office CEO / President / Managing DirectorChief Investment Officer (CIO)Portfolio Manager / Investment DirectorAsset Manager (Real Assets)Chief Financial Officer (CFO)Controller

比較

Single vs. Multi-Family OfficeFamily Office vs. Wealth ManagerFamily Office vs. RIAFamily Office vs. Private BankFamily Office vs. Financial AdvisorFamily Office vs. Hedge FundFamily Office vs. Private Equity Firm