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Custodian

A custodian is a financial institution that holds and safeguards a family's investment assets, executes settlement of trades, and produces official account statements.

A custodian — sometimes called a "qualified custodian" in regulatory contexts — is the institution that physically holds securities, cash, and other financial assets on behalf of an investor. It is separate from whoever manages the investments. Think of it as the vault: the investment manager decides what to buy or sell, but the custodian is where the assets actually sit and where the official record lives.

For families building organizational infrastructure around significant wealth, custodial relationships matter beyond simple safekeeping. Custodians produce account statements, process dividend and interest payments, handle corporate actions (such as stock splits or tender offers), and report cost-basis information used for tax purposes. A family with assets spread across multiple managers may hold accounts at more than one custodian, which is one reason consolidated reporting becomes important — the custodian's own statements only show what sits at that institution.

Consider a founder who sold her logistics company and now holds public securities at one custodian, a cash management account at another, and alternative fund interests documented elsewhere. Each institution sends its own statements, but none shows the complete picture. Families commonly designate their family office or a reporting aggregator to pull across all custodians into a single view.

A common confusion is treating the custodian as the investment manager. They are distinct roles, often held by entirely different institutions. Working with qualified attorneys and CPAs is essential when evaluating custodial arrangements, particularly around regulatory requirements and entity-level account structuring.

関連用語

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