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Family Office Models & Roles

Principal

Last updated 17 July 2026

The principal is the individual or couple whose wealth the family office exists to manage, usually the founder of the family fortune or the current head of the family. Every family office, whatever its size, is ultimately an instrument of its principal: the principal sets the objectives, the risk appetite, the time horizon, and the values that guide everything the office does, from investment policy to hiring to how much the wider family gets to see.

Why it matters for family offices

Clarity about who the principal is, and what they actually want, shapes every structural choice an office makes. An office serving a founder who still runs the operating business looks different from one serving a couple in their eighties focused on succession and philanthropy. Reporting is where this shows up most concretely: one of the core functions of any family office is keeping the principal informed on their terms and their timetable, whether that means a one-page monthly summary, a quarterly deep dive, or a same-day answer to a question asked on a Sunday. The hardest moments in family office life tend to come when the principal changes. On death or a planned step-back, authority may pass to a spouse, to the next generation collectively, or to a governance structure, and offices that have not prepared for that transition often lose the family's confidence along with it.

How it shows up in practice

Consider a first-generation founder who sells the business and establishes a single family office. She wants a consolidated net worth statement monthly, performance against benchmarks quarterly, and the ability to ask what the family's total exposure to Asia is and get an answer the same day. Meeting that standard requires the office to hold clean, current data across every entity, account, and asset class, because the principal's questions do not wait for quarter-end. As her children take on governance roles, the office's single client gradually becomes several, and reporting has to broaden from serving one principal's preferences to serving a family, without losing the immediacy the founder built the office around.

Family Office

A private organisation dedicated to managing the wealth and affairs of one or more affluent families. Beyond investment management, a family office typically handles reporting, accounting, tax coordination, estate planning, philanthropy, and lifestyle services. Its purpose is to preserve and grow family wealth across generations while keeping full control and confidentiality in the family's hands.

Single Family Office (SFO)

A family office that serves exactly one family, with staff, systems, and infrastructure dedicated solely to that family's wealth. SFOs offer maximum privacy and customisation but carry the full cost of operations, which is why they are usually established by families with several hundred million or more in assets. Many SFOs today rely on specialised software to keep lean teams efficient.

First-Generation Wealth Creator (Gen 1)

The family member who originally built the fortune, typically through founding and growing a business or a successful career at the top of a profession. Gen 1 principals tend to stay closely involved in decisions, value control and discretion, and often run their wealth with a lean team. Their priorities usually centre on structuring the wealth properly for the first time and preparing the family for what comes next.

Chief Investment Officer (CIO)

The senior executive responsible for a family's investment strategy, including asset allocation, manager selection, risk oversight, and performance. In a single family office, the CIO translates the family's objectives and risk appetite into a working portfolio. Hiring a dedicated CIO is often the single largest staffing decision a family office makes, which is why many opt for the outsourced model instead.

Succession Planning

The deliberate process of preparing for the transfer of leadership, ownership, and wealth to the next generation. In a family office context, it covers who will lead the office, how assets and entities will pass, and how heirs are prepared for their responsibilities. Families that start early and document their plans dramatically reduce the risk of wealth destruction during transitions.

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