The family office: A guide for fund managers

The family office: A guide for fund managers

Author

The Carta Team

|

Read time: 

9 minutes

Published date: 

3 November 2025

Family office services offer ultra-high-net-worth families tailored investment management and wealth planning to preserve and grow assets across generations.

This article explains how to engage family offices as LPs, covering their unique structures, investment approaches, and the operational playbook required to meet their high expectations.

What is a family office?

A family office is a private advisory firm that manages the financial and personal affairs of an ultra-high-net-worth family, typically one with $30 million or more in investable assets. Originating in the 19th century with wealthy families like the Rockefellers, family offices have evolved from simple administrative hubs into sophisticated organizations that manage the wealth and investments for a single affluent family or a select group of families. 

For you as a fund manager, they represent a distinct and influential class of limited partner (LP), an LP is an investor who commits capital to a private fund, like a venture capital (VC) or private equity (PE) fund, which is managed by a general partner (GP).

The primary purpose of a family office is to oversee and grow a family's assets across many generations. This long-term mission of wealth preservation directly shapes their investment philosophy and what they expect from the GPs they choose to back. Unlike some investors who focus on short-term gains, a family office thinks in terms of decades and legacy.

This generational perspective influences everything from their tolerance for risk to the kinds of questions they ask during your due diligence process. They are often more patient with their capital, which is a great advantage for funds with long investment horizons. This patience is a necessity in VC, where it can take years to see returns. For example, Carta data shows that merely 37% of funds in the 2019 vintage and 30% of funds from 2020 had generated any amount of distributions for their LPs by the end of Q1 2025.

Understanding their unique motivations and operational needs is the first step for any fund manager looking to build a successful and lasting partnership with this important investor class.

→ Guide: How to set up a family office

What services do family offices provide?

Family offices provide a comprehensive suite of services designed to preserve and increase multi-generational family wealth. Core offerings include:

  • Wealth management: Including investment advisory services, asset allocation, and risk management.

  • Tax and estate planning: Structuring ownership and succession to ensure efficient wealth transfer and minimize estate taxes.

  • Philanthropy and legacy planning: Managing charitable donations and impact investments to guide future generations.

  • Family governance and succession planning: Establishing decision-making frameworks and financial education to prepare heirs for stewardship.

How do family office structures impact the GP relationship?

The way a family office is organized has a direct impact on how you, the fund manager, will interact with them. Knowing whether you're dealing with a single-family, multi-family, or virtual office is key to tailoring your fund's engagement, compliance, and communication strategy. Each of these structures creates different operational demands on your fund's back office.

The single-family office

A single-family office (SFO) is a private company created to manage the assets of just one family and is legally defined as being wholly owned and controlled by the family members it serves. This structure often means you'll be dealing directly with the family principals themselves or with a very small, dedicated team that reports to them, such as a chief investment officer. As a fund manager, you can expect a highly personalized and direct relationship.

The due diligence process may be less standardized and more focused on your specific strategy and operational integrity. They might ask for custom reporting terms that differ from your standard limited partnership agreement (LPA), and they will have a deep focus on privacy and confidentiality. Your ability to provide detailed, transparent information on demand is a significant factor in building trust with an SFO.

The multi-family office

A multi-family office (MFO), provides family office services to several different families at once. This model often leads to more standardized operational processes, which can make them feel more like a traditional institutional investor. They typically have established procedures for due diligence, onboarding, and reporting because they need to be efficient across their client base.

While their internal processes may be more standardized, their reporting needs can still be quite complex. An MFO must consolidate your fund's data for its various underlying clients, and each of those families might have their own unique requirements. This means your fund administration must have a robust and flexible reporting system that can accommodate these varied needs without creating a lot of manual work for your team.

The virtual family office

A virtual family office (VFO) doesn't employ a full in-house team. Instead, it coordinates a network of external, specialized advisors for legal, tax, and investment matters. This decentralized structure presents a unique operational challenge for a fund's chief financial officer (CFO).

You may need to interact with multiple third parties during the closing process and for ongoing reporting. Managing these communications and ensuring all parties have the correct information can be difficult without a centralized system. A secure platform where all communications and documents can be managed efficiently becomes necessary to avoid bottlenecks and provide a smooth experience for everyone involved.

How do family offices approach private fund investing?

A family office's long-term, patient capital approach makes them an ideal LP for private market funds, and their importance to the ecosystem is substantial, with family offices having managed a combined $3.1 trillion in 2024. For new managers raising their first fund, this investor class is particularly important, as 70% of their LPs are unincorporated individuals and families, a group that includes trusts and other family-related entities. They are not passive check-writers; they are active partners who expect a high degree of professionalism and strategic insight from the GPs they back. Their main goal is to preserve and grow wealth over decades, not just quarters.

Their typical investment strategy involves strategic portfolio management and includes a mix of asset classes, with the average portfolio maintaining a 45% allocation to alternative investments like PE, VC, real estate, and direct investments in private companies.

Family offices are increasingly data-driven, a trend reflected in their heightened focus on specific performance metrics. With exits and distributions growing more rare, LPs now consider distributions to paid-in capital (DPI) the metric that rules them all. This environment places a premium on GPs who can not only model fund construction accurately but also forecast performance with precision. They want to understand your assumptions, your strategy for capital deployment, and how you plan to generate returns. Providing clear, data-backed analysis that shows a thoughtful approach to fund management will resonate strongly with them.

The operational playbook for engaging family office LPs

Engaging with family office LPs requires a thoughtful, operational playbook that covers the entire investor lifecycle. For many fund managers, the administrative burden of investor relations is substantial. For funds larger than $250 million, the median LP count is 121, and the feeling of being a gatekeeper to your own data when dealing with that many investors through manual, disconnected processes is a common pain point. A modern, integrated approach can transform this relationship from a series of administrative hurdles into a strategic partnership.

Sourcing and due diligence

Managing deal flow to identify and connect with these private investors is different from approaching traditional institutions. Building relationships and securing warm introductions is a much more effective fundraising strategy than cold outreach. In a competitive environment, investors actively seek out the most promising startups, which are often discovered through trusted networks. Instead of founders fighting for attention, the dynamic flips. According to Sach Chitnis, co-founder and partner at Jump Capital, the best deals he sees often receive four or five term sheets. These introductions often come from trusted sources in your network.

  • Trusted network: Your best path to a family office is often through a warm introduction from lawyers, accountants, or other fund managers who already have a relationship with them.

  • Rigorous review: Once you connect, be prepared for a thorough due diligence process that goes beyond your financial projections.

  • Operational focus: They will scrutinize your fund’s operational integrity, compliance procedures, and technology infrastructure to ensure you can protect their capital.

Onboarding and compliance

The investor onboarding process is a high-stakes first impression. Family offices demand a seamless and secure closing process, with stringent know your customer (KYC) and anti-money laundering (AML) checks to mitigate risk. Any friction or perceived lack of professionalism during this stage can damage the relationship before it even begins. A smooth, professional onboarding experience demonstrates that your firm is well-managed and trustworthy.

Reporting and communications

Family offices have high expectations for transparency and communication. They require more than quarterly PDFs sent over email; they want on-demand access to performance metrics like internal rate of return (IRR) and total value to paid-in (TVPI). They also want easy access to their capital account statements, legal documents, and tax forms whenever they need them. Providing this level of access builds trust and dramatically reduces the number of one-off information requests that can burden your finance team.

Distributions and tax considerations

Managing distributions and tax reporting for family offices can be complex. Their often intricate legal and trust structures require careful handling and precise accounting. A timely and accurate Schedule K-1 is not just a regulatory requirement; it is a critical component of maintaining a strong LP relationship. A late or incorrect K-1 is a major relationship-damaging event that can signal operational weakness.

How family offices differ from institutional LPs

To build strong, lasting relationships, you must avoid the common mistake of treating all LPs identically. Family offices and traditional institutional LPs, such as pensions or endowments, have fundamental differences. Recognizing these distinctions is key to communicating effectively and leveraging a fund administration software that can handle their unique needs.

Aspect

Family office

Traditional institutional LP

Governance

Centralized, often principal-led

Committee-based, formal processes

Risk focus

High sensitivity to operational and reputational risk

Primarily focused on financial and market risk

Relationship

Partnership-oriented, high-touch

Transactional, more standardized

Governance and decision-making

The governance structure of an investor directly influences the speed and style of their decision-making. The decision-making process in a family office might conclude with a principal after a single meeting. In contrast, an institutional LP often requires a lengthy, committee-based approval process that can span months. This means you need to be prepared for direct, pointed questions at any time from family office principals and have the data ready to provide confident answers.

Risk tolerance and time horizon

While family offices have a long-term investment horizon and a high tolerance for illiquidity, their approach to risk is steady, with 65% of family offices planning to maintain the same level of portfolio risk in 2025 as they did in 2024.

  • Financial risk: They understand and accept the financial risks inherent in private market investing.

  • Operational risk: Investors have very low tolerance for back-office errors, compliance failures, or data security issues, especially when financial returns are hard to come by. In an environment where LPs are scrutinizing every detail, a fund manager’s reporting must be impeccable. This focus on transparent, accurate reporting underscores the high stakes involved in maintaining investor trust. As Stephanie Choo, a partner at fintech investor Portage puts it, LPs will “question your credibility if you’re trying to mark things up in a way that’s too aggressive.” This focus on transparent, accurate reporting underscores the high stakes involved in maintaining investor trust.

  • Reputational risk: An error isn't just a number on a page; it's a breach of trust that can create reputational risk and damage their family's name and your firm's reputation.

Relationship management

Ultimately, effective relationship management shows that the connection with a family office is a long-term partnership, not just a capital allocation. It's built on a foundation of trust, transparency, and consistent operational excellence. They are looking for GPs who are not just good investors, but also responsible fiduciaries who can manage their capital with the highest level of care.

A modern, integrated platform is the foundation for delivering the experience these premier LPs expect. Request a demo to see how Carta can help you exceed their expectations.

Frequently asked questions about family offices

How does a family office make money?

A single-family office is a cost center funded by the family it serves, so its goal is wealth preservation and growth, not generating its own revenue. A multi-family office, however, makes money by charging its clients fees, which are often based on the assets under management (AUM).

What is the difference between a family office and a PE firm?

Typically, a family office is an investor (an LP) that allocates capital to various funds, though many also make direct investments in companies. A PE firm is a fund manager (a GP) who raises capital from LPs like family offices to make those investments.

What is the most effective way to approach a family office for funding?

The most effective way to approach a family office is through a warm introduction from a trusted source. These can come from lawyers, accountants, or other fund managers in your network who already have an established relationship with the family office.

The Carta Team
Carta's best-in-class software, services, and resources are designed to promote clarity and connection in the private capital ecosystem. By combining industry experience with proprietary data and real customer stories, our content offers expert guidance and clear, actionable insights for companies and investors.

DISCLOSURE: This communication is on behalf of eShares, Inc. dba Carta, Inc. ("Carta"). This communication is for informational purposes only, and contains general information only. Carta is not, by means of this communication, rendering accounting, business, financial, investment, legal, tax, or other professional advice or services. This publication is not a substitute for such professional advice or services nor should it be used as a basis for any decision or action that may affect your business or interests. Before making any decision or taking any action that may affect your business or interests, you should consult a qualified professional advisor. This communication is not intended as a recommendation, offer or solicitation for the purchase or sale of any security. Carta does not assume any liability for reliance on the information provided herein. ©2026 Carta. All rights reserved. Reproduction prohibited.