A family office is a private wealth management entity serving one (Single Family Office, SFO) or more (Multi-Family Office, MFO) ultra-high-net-worth families. Core services include investments, tax planning, estate planning, and family operations.

Family office types

Single Family Office (SFO)

• Serves one family.
• Typically $250M+ in assets.
• Deeply customized; full staff (CIO, tax counsel, estate planner, etc.).
• Examples: Dell Technologies (Michael Dell), Bezos Expeditions (Jeff Bezos), Pritzker family, Walton family.

Multi-Family Office (MFO)

• Serves multiple families.
• Broader minimum (often $10M+).
• Pooled resources for investment, tax, estate planning.
• Examples: Rockefeller Capital Management, BBR Partners, Iconiq Capital (institutional MFO).

Embedded family office

• Part of a broader wealth management firm, bank, or investment advisor.
• Common for families $25M–$100M net worth.

How family offices invest in VC

1. LP positions in funds

• Primary vehicle for most family offices.
• Commitments range from $1M–$100M+ per fund.
• Often diversified across vintages and GPs.

2. Direct investments

• Increasingly common post-2018 as family offices build internal capacity.
• Usually alongside a lead VC (not as sole investor).
• Benefits: No fees; direct exposure; strategic fit.

3. Co-investments

• Larger-check opportunities alongside GPs the family office already backs.
• Typically fee-free; relationship-driven.

Family office allocation to alternatives

• Traditional stocks/bonds: 40–60%.
• Alternatives (PE, VC, hedge funds, real assets): 20–40%.
• Direct business / operating: Variable.
• Cash / liquidity: 5–15%.

Advantages of family office capital

1. Patient capital: No quarterly redemption pressure.
2. Strategic relationships: Founding families often have industry expertise.
3. Long-duration horizons: 20+ year outlook compatible with deep-tech or infrastructure.
4. Flexible check sizes: From $100K direct angel bets to $100M+ fund commitments.

Challenges of family office capital

1. Variable sophistication: Some offices are world-class, others are undercapitalized for alternatives work.
2. Decision speed: Can be slow or fast depending on family structure.
3. Limited diligence capacity: Smaller teams than institutional LPs.
4. Follow-on capital: Not all offices can support multi-round follow-on.

How GPs should approach family offices

1. Build relationships over time: Families value trust over pitches.
2. Offer education, not just deal flow: Quarterly sector updates build authority.
3. Be patient with process: Decision cycles can be longer than institutional LPs.
4. Provide co-investment rights: Often decisive in securing primary fund commitments.

Practical takeaway

1. GPs: Family offices are a growing LP base; many new $50M–$500M GP funds are anchored primarily by SFOs / MFOs.
2. Founders: Family office angel checks often bring industry expertise that institutional VCs can’t match.
3. Aspiring family office investors: Build a clear investment policy statement before deploying any VC capital.

Further reading

• UBS Billionaires Report (annual).
• Campden Wealth research on family office asset allocation.