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North America · updated quarterly

List of the 125+ Largest Single Family Offices in California [2026]

Every qualifying office in California, verified and ranked by size: named decision-makers with direct emails, phone numbers, AUM bands and investment focus.

129
Verified offices
571
Named contacts
8
Sectors covered
Last updated
Single-seat license·Every refresh for the next 12 months included·GDPR Compliant
Used by
VC & growth fundsPrivate equity firmsWealth managersInvestment banksService providers
What you'll receive

A look at 9 of the 129 offices

Family office
HQ
Type
Focus
AUM
Status
Nolan Capital
Hermosa Beach, United States
SFO
Consumer · Industrials · Healthcare
>5B
Verified
Madrone Capital Partners
Menlo Park, United States
SFO
Technology · Consumer · Energy
>5B
Verified
AME Cloud Ventures
Palo Alto, United States
SFO
Technology · Healthcare
>5B
Verified
Emerson Collective
Palo Alto, United States
SFO
Education · Transportation · Materials
>5B
Verified
S-Cubed Capital
Menlo Park, United States
SFO
Technology · Financial Services · Media Telecom
>5B
Verified
Shamrock Holdings
Burbank, United States
SFO
Media Telecom · Technology
unknown
Verified
Hillspire, LLC
Menlo Park, United States
SFO
Energy · Technology · Education
>5B
Verified
Medley Partners
San Francisco, United States
SFO
Energy
1B-5B
Verified
The Sobrato Organization
Mountain View, United States
SFO
Technology
1B-5B
Verified
[ + 120 more offices ]
Locked

Contact-level fields (direct email, phone, LinkedIn) are included in the full dataset.

Featured offices

A few of the offices in the directory

Nolan Capital

Hermosa Beach · SFO · >5B

Nolan Capital is a single family office based in Hermosa Beach, California, founded in 2014. The firm manages direct investments on behalf of the Nolan family, focusing on private equity and real estate across sectors including consumer, industrials, healthcare, business services, technology, and hospitality and leisure. The family's wealth originates from the finance industry.

In the full dataset

Madrone Capital Partners

Menlo Park · SFO · >5B

Madrone Capital Partners is a single family office based in Menlo Park, California, founded in 2005. The firm invests across private equity, venture capital, and crypto, with a focus on the technology, consumer, and energy sectors. The office manages wealth stemming from the Walton family's Walmart retail fortune.

In the full dataset

AME Cloud Ventures

Palo Alto · SFO · >5B

AME Cloud Ventures is a single family office based in Palo Alto, California, founded in 2012. The firm manages the wealth of Yahoo! co-founder Jerry Yang and invests primarily in venture capital and private equity within the technology and healthcare sectors, focusing on data-driven companies.

In the full dataset

Emerson Collective

Palo Alto · SFO · >5B

Emerson Collective is a single family office based in Palo Alto, California, founded in 2004. It invests in venture capital, private equity, and public equities, with a focus on sectors such as education, transportation, materials, and healthcare. The family's wealth originates from technology, stemming from the legacy of Apple co-founder Steve Jobs.

In the full dataset

S-Cubed Capital

Menlo Park · SFO · >5B

S-Cubed Capital is a single family office based in Menlo Park, California, founded in 2012. It invests globally across private equity, venture capital, real estate, hedge funds, and public equities, with sector interests including technology, financial services, media, agriculture, and consumer.

In the full dataset

Shamrock Holdings

Burbank · SFO · unknown

Shamrock Holdings is a single family office based in Burbank, United States, founded in 1978. It manages investments for the Roy E. Disney family, focusing on real estate, real assets, fund of funds, and private equity, with sector interests including media, telecommunications, and technology.

In the full dataset
The landscape

What this list covers

This list contains all 129 single family offices in California from our verified dataset, ranked from largest to smallest and carrying 571 named decision-maker contacts. Coverage is led by San Francisco (19% of the list), followed by Los Angeles and San Diego.

Sector exposure is broadest in Technology, Healthcare and Real Estate. The largest offices by assets include Nolan Capital, Madrone Capital Partners and AME Cloud Ventures.

96% of the offices on this list carry a direct channel: a firm email, phone or contact form, or a named decision-maker's email or LinkedIn. Field-level coverage is shown transparently on this page, and the dataset refreshes quarterly. A purchase includes 12 months of updates.

Who buys this

Built for the teams reaching family-office capital

Fund GPs

Raising a fund

Identify the offices that allocate to your asset class and stage, without burning weeks of associate time on LinkedIn.

Decision-makers with titles, filtered by AUM band and office type
Wealth managers

Mapping the competitor set

See which offices are single- vs multi-family, their AUM band and their sector focus. Stop guessing who does what.

Every office profiled by location, AUM band and structure
Service providers

Selling to family offices

Reach named people at the office, with titles and LinkedIn where available, instead of a generic firm inbox.

Named decision-makers with titles and LinkedIn where verified
Coverage

Where the 129 offices sit: by hub and sector

By location
San Francisco
25 offices
19%
Los Angeles
25 offices
19%
San Diego
11 offices
9%
Newport Beach
10 offices
8%
Palo Alto
6 offices
5%
Menlo Park
5 offices
4%
Sector exposure
Technology53%
Healthcare31%
Real Estate31%
Consumer26%
Media Telecom25%
Financial Services20%
Industrials16%
Energy16%
Share of the 113 offices carrying classified sector data. Many allocate across several sectors.
Data completeness

Exactly what's filled in, field by field

Coverage varies by office. This is the real fill rate for every field in the dataset, measured across all 129 offices, so you know what you're getting before you buy.

No dead ends — all 129 offices are reachable via a website or a direct channel. 96% (124) have a direct channel — a firm email, phone or contact form, or a named decision-maker's direct email or LinkedIn.

Per office · 129 offices
Identity & location
Company name100% · 129/129
Office type100% · 129/129
HQ city100% · 129/129
Description100% · 129/129
Firm profile
AUM band100% · 129/129
Sector focus88% · 113/129
Asset-class focus81% · 104/129
Year founded71% · 91/129
Geographic focus33% · 42/129
Contact & reachability
Website100% · 129/129
Company LinkedIn67% · 87/129
Firm email50% · 64/129
Phone36% · 46/129
Contact form33% · 43/129
Per named contact · 571 people
Person
Name100% · 571/571
Decision-maker flag94% · 537/571
Job title87% · 495/571
Reach
LinkedIn20% · 115/571
Direct email10% · 56/571

Emails and LinkedIn are provided where verified, not fabricated to hit a number.

How we built it

Compiled from public sources, reviewed before release

Each office is assembled from company sites, filings and public records, then reviewed and classified. The same dataset powers our research platform, where records update continuously. Field coverage is shown transparently above. Nothing is fabricated to fill a column.

Sources

Company sites, registries and public web sources, consolidated per office.

Inclusion

Entities operating as a single- or multi-family office in North America.

Classification

Office type, AUM band and sector focus assigned where the evidence supports it.

Refresh

Reviewed and refreshed quarterly; each release supersedes the last.

License

One purchase. Twelve months of refreshes.

Every number on this page is measured from the file you download.

Complete database access
List of the 125+ Largest Single Family Offices in California [2026] · Single seat
$299
One user · personal license
  • Full 129-office dataset & 571 contacts
  • Excel workbook + flat CSV, CRM-ready
  • 12 months of quarterly updates included
Buy Now
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FAQ

Buying questions, answered

The platform

This dataset lives in a live research platform

Search, filter and track every office — the same data this file is exported from, updated continuously. Need ongoing access instead of a one-time download?

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