Top Family Offices in Orange County 2026

Key Facts

• Orange County hosts a cluster of both single family offices (SFOs) and multi-family offices (MFOs), with Newport Beach serving as the primary hub for wealth management activity.
• California has 80 or more identified SFOs statewide, and Orange County accounts for a notable share of that total.
• Ultra-high-net-worth (UHNW) families in the region trace their wealth to food industry exits, real estate, business services, and medical ventures.
• MFOs such as Caprock and Tarbox Family Office operate from Newport Beach, while SFOs like MIG Capital manage diversified portfolios from the same coastal corridor.
• Direct investments in lower middle market companies represent a growing theme, with several local offices actively acquiring businesses in the $1M to $10M EBITDA range.
• Impact investing has emerged as a differentiator among Orange County MFOs, led by Caprock's dedicated values-aligned platform.

Orange County Family Office Landscape Overview

Orange County occupies a distinct position in California's wealth management ecosystem. Newport Beach, Irvine, and Costa Mesa form a coastal corridor where SFOs and MFOs serve families whose fortunes began in food manufacturing, real estate development, construction, and healthcare. The region's character differs from Los Angeles (entertainment and old money) and the Bay Area (tech wealth).

Orange County families tend toward real estate allocations, direct business ownership, and patient capital strategies. The area splits between concentrated coastal wealth and less affluent inland zones. This dynamic shapes the local market: most firms cluster along the coast, especially in Newport Beach.

Proximity to other registered investment advisors (RIAs) and legal specialists creates a self-reinforcing advisory ecosystem there. Wealth-focused law firms and advisory practices maintain local offices to serve family office clients and their complex estate planning needs.

Wealth thresholds for engaging a private wealth office in Orange County mirror broader California norms. SFOs typically serve families with $100 million or more in assets under management (AUM). MFOs like Aspiriant set their entry point at $100 million for dedicated "Exclusive Family Office" service. Others accept clients at lower thresholds through shared platforms. The region's MFO market is competitive, with Caprock, Tarbox Family Office, and Cresset all maintaining a presence.

Family Office Comparison

The table below compares firms with confirmed operations in or serving the Orange County market. AUM data is omitted because most offices in this niche do not publicly disclose figures.

Family Office	Type	Investment Focus	Services	Location
MIG Capital	SFO	Real estate, funds, capital markets (long/short)	Investment management	Newport Beach
Caprock	MFO	Public/private investments, impact investing	Wealth management, estate planning, financial planning	Newport Beach
Tarbox Family Office	MFO	Custom investments, estate and tax strategies	Investment management, estate planning, tax strategy	Newport Beach
Aspiriant	MFO	Integrated tax, legal, wealth for $100M+ families	Exclusive Family Office team, estate planning, next-gen education	California (multiple offices)
Cresset	MFO	Founders, entrepreneurs, UHNW families	True Fiduciary wealth management, business liquidity planning	Los Angeles (Century City), serves OC
Horowitz Group	SFO	Real estate, private businesses, alternatives	Co-investment, portfolio management	Southern California
Callan Family Office	MFO	Institutional-quality public and private markets	Foundations 360 program, tax strategy, research-backed solutions	California
BDX Capital	SFO	Construction, building, lower middle market PE	Direct acquisitions	California

Newport Beach dominates the local roster with three firms based there. The MFOs in this market emphasize integrated service models that combine tax, estate, and investment disciplines under one roof. SFOs lean toward direct deal-making.

Top Picks by Strategy

• Largest Real Estate Track Record: MIG Capital, the Merage family's SFO, acquired a $61 million Costa Mesa complex in 2023 and maintains an active long/short capital markets strategy alongside its real estate portfolio.
• Best for Impact Investing: Caprock offers dedicated impact investing options aligned with client values, making it the strongest choice for families who prioritize environmental or social outcomes.
• Top Full-Service MFO: Aspiriant provides an "Exclusive Family Office" team for families with $100 million or more, integrating tax, estate, and investment management with next-generation education programs.
• Strongest Fiduciary Commitment: Cresset operates under its True Fiduciary standard and has earned multiple Barron's Top 100 RIA recognitions, serving Los Angeles and Orange County clients from Century City.
• Most Active Direct Acquirer: Horowitz Group co-invests alongside premier managers in private equity, specialty finance, and emerging managers. Three generations of deal-making experience back that approach.
• Leading Transparency-Focused Firm: Tarbox Family Office positions itself against Wall Street conflicts of interest, emphasizing objectivity and clear fee structures for Newport Beach families.
• Best Institutional Research Platform: Callan Family Office leverages the research capabilities of Callan LLC, giving private clients access to institutional-grade analysis typically reserved for endowments and foundations.

Top Family Offices in Orange County in Detail

MIG Capital

The Merage family built its fortune through the $2.6 billion sale of Chef America to ConAgra in 2002. MIG Capital now deploys that wealth from Newport Beach, investing in funds, real estate, and capital markets using a long/short strategy. Its $61 million purchase of a Costa Mesa complex in 2023 shows the office's appetite for large local real estate deals. Richard Merage leads the office today. Charitable giving flows through the David and Laura Merage Foundation.

Caprock

Newport Beach families seeking a multi-family office with private market access and values-aligned portfolios will find Caprock among the most relevant options. The firm serves UHNW clients with public investing, private market deals, and a dedicated impact investing platform. Caprock earned Barron's Top 100 RIA recognition four years running (2022 through 2025) and a Wealth Solutions Report Family Office of the Year award in 2024. Its registered investment advisors work from 450 Newport Center Drive, placing the team at the center of Orange County's wealth corridor.

Tarbox Family Office

Tarbox takes a contrarian stance in an industry it openly criticizes for conflicts of interest. The Newport Beach MFO provides custom investment management, estate planning, and tax strategy with an emphasis on transparency and objectivity. Families who want a clear view of fees, portfolio positioning, and decision-making rationale will find this approach distinctive. Tarbox builds each client's allocation strategy from scratch rather than assigning model portfolios.

Aspiriant

Families with $100 million or more in wealth complexity get a dedicated team through Aspiriant's Exclusive Family Office program. The MFO integrates tax, legal, and investment disciplines. Estate planning tools include Grantor Retained Annuity Trusts (GRATs), Family Limited Partnerships, and Defective Grantor Trusts.

Aspiriant also runs next-generation education programs that help adult children understand the purpose and management of family wealth. Its globally diversified portfolio construction and charitable planning (including donor-advised funds) round out one of the broadest service menus in this market.

Horowitz Group

Three generations of the Horowitz family have built an investment track record from Southern California, starting with wealth created in the ready-mix concrete industry. David Horowitz serves as Chairman and Adam Horowitz as CEO. The SFO allocates capital to real estate, private businesses, and alternative managers.

Co-investment alongside premier managers in private equity and specialty finance is a core strategy. The office maintains a charitable focus on education, healthcare, and youth programs. That mix of deal-making and giving makes it one of the few local SFOs where social impact is a visible part of the mandate.

Cresset

Cresset's Century City office serves both Los Angeles and Orange County families from a location less than a mile from Beverly Hills. The MFO targets founders, entrepreneurs, and UHNW families with investment management, financial and estate planning, tax strategy, and business liquidity planning.

Private market access and multi-generational wealth transfer planning are core offerings. Cresset operates under its True Fiduciary standard, which it trademarked to signal that client interests govern every recommendation.

Callan Family Office

Callan Family Office brings endowment-level analytical rigor to private wealth clients, backed by the research engine of Callan LLC (a major institutional consultant). Its Foundations 360 program combines financial planning, tax strategy, and capital deployment solutions for UHNW families and foundations. Families who want institutional-quality due diligence on both public and private market allocations gain that capability without building their own research team.

Investment Trends Shaping This Market

Direct Deals Replace Passive LP Investing

Orange County SFOs increasingly buy companies outright instead of committing capital as limited partners in private equity funds. MIG Capital's real estate purchases and Horowitz Group's co-investments alongside fund managers reflect this shift. The patient capital model (no fund lifecycle, no forced exits) gives local wealth platforms a competitive edge when bidding against traditional PE firms for lower middle market businesses in the $1M to $10M EBITDA range.

Real Estate Remains the Anchor Allocation

Coastal California real estate continues to attract family office capital. MIG Capital's $61 million Costa Mesa deal in 2023 is one documented example. BDX Capital focuses on construction and building services in the lower middle market. For Orange County families whose original wealth came from property development, real estate investing extends operational expertise rather than functioning as a purely financial allocation.

Impact Investing Gains Ground Among MFOs

Caprock's dedicated impact investing platform signals growing demand among Orange County UHNW families for portfolios that align returns with environmental or social outcomes. This trend is more pronounced in the MFO segment, where shared platforms can offer impact-focused strategies without requiring families to sacrifice a broad investment mix. Caprock's Newport Beach base and multiple industry awards position it as the regional leader in this space.

Buy-and-Build Platforms Emerge

Several California SFOs now pursue buy-and-build strategies, acquiring a platform company and then making add-on deals in the same sector. StoneCalibre has completed 36 company purchases through 7 platforms in North America and Europe. Fernandez Holdings has closed 28 deals targeting middle-market businesses with $20 million to $250 million in revenue. These approaches bring operational scale that single purchases cannot achieve.

How to Evaluate a Family Office

Orange County's mix of SFOs and MFOs gives families more choices than most U.S. markets offer. However, the differences between firms can be hard to spot. Start by clarifying whether you need a single family office (full control, full cost) or a multi-family office (shared services, lower overhead). An SFO typically requires $100 million or more to justify dedicated staff. MFOs like Aspiriant and Tarbox serve families at or above that threshold with integrated teams.

Fiduciary status matters especially in this market. Some Orange County firms operate as registered investment advisors under a fiduciary standard, meaning they must act in your interest. Others may earn commissions on product sales. Caprock and Cresset both operate as RIAs. Tarbox explicitly markets its fee transparency as a differentiator. Ask whether the firm is a fiduciary, and request a written breakdown of all fee layers: AUM-based charges, performance fees, and transaction costs.

California's tax environment adds complexity that out-of-state firms may not handle well. State income tax rates exceed 13% for top earners, and community property rules affect estate planning for married couples. Look for offices with in-house tax specialists who understand California-specific strategies. GRATs, irrevocable trusts, Family Limited Partnerships, and donor-advised funds structured to optimize both federal and state outcomes deserve close attention. Aspiriant and Callan Family Office both offer integrated tax and estate planning built for this environment.

Evaluate succession planning and family governance by asking how the office handles multi-generational wealth transfer. The Horowitz Group spans three generations of active investing. Aspiriant runs formal next-generation education programs. If your family includes adult children who will eventually manage the wealth, an office with a track record of guiding that transition offers more value than one focused solely on investment returns.

Which Family Office Fits Your Needs?

UHNW families with $100 million or more in complex assets should explore Aspiriant's Exclusive Family Office program or Caprock's Newport Beach team. Both provide integrated wealth management that coordinates tax, estate, and investment decisions under one roof. Aspiriant is the stronger choice for families needing advanced estate planning tools. Caprock stands out for those who want private market access paired with impact investing options.

Business owners planning a liquidity event or considering direct capital deployment will find Orange County's SFO landscape relevant. MIG Capital and Horowitz Group both make direct purchases and co-invest alongside fund managers. Families who built their wealth in real estate, construction, or manufacturing can engage with offices that share their operational background: BDX Capital (construction focus) or Horowitz Group (ready-mix concrete origins). Founders who want hands-on involvement post-exit should look at the SFO hybrid model rather than a traditional MFO.

Next-generation wealth holders and families concerned about long-term oversight should prioritize offices with formal succession planning programs. Aspiriant's next-gen education and Callan Family Office's Foundations 360 program both address the challenge of preparing heirs to manage wealth responsibly. For families who value transparency and want to avoid conflicts common in traditional financial services, Tarbox Family Office's explicit anti-Wall Street positioning and clear fee structure make it a logical starting point.

Methodology

This article profiles family offices in Orange County based on publicly available data, deal records from investment platforms, and firm disclosures as of 2025. Office selection prioritized firms with confirmed Orange County or Newport Beach operations, supplemented by California-based offices that actively serve the region. AUM figures appear only where publicly disclosed. Most SFOs and MFOs in this market do not share asset totals. Deal data reflects reported transactions and may not capture all activity given the private nature of family office investing.