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Global · updated quarterly

List of the 600+ Largest Impact Investor Single Family Offices in the World [2026]

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

624
Verified offices
3,439
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 624 offices

Family office
HQ
Type
Focus
AUM
Status
Santa Devota Group
Milan, Italy
SFO
Energy · Materials · Agriculture
>5B
Verified
Cascade Asset Management
Kirkland, United States
SFO
Technology · Energy · Hospitality Leisure
>5B
Verified
Grosvenor Estate
Chester, United Kingdom
SFO
Real Estate · Agriculture · Energy
>5B
Verified
H14 S.p.A
Milan, Italy
SFO
Media Telecom · Healthcare · Energy
>5B
Verified
The Olayan Group
Athens, Greece
SFO
Financial Services · Healthcare · Technology
>5B
Verified
Mousse Partners, Ltd
New York, United States
SFO
Consumer · Technology · Healthcare
>5B
Verified
Nolan Capital
Hermosa Beach, United States
SFO
Consumer · Industrials · Healthcare
>5B
Verified
AlTi Tiedemann Global
Lugano, Switzerland
SFO
Business Services
>5B
Verified
Madrone Capital Partners
Menlo Park, United States
SFO
Technology · Consumer · Energy
>5B
Verified
[ + 615 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

Santa Devota Group

Milan · SFO · >5B

Santa Devota Group is a single-family office based in Milan, Italy, managing assets for the Barani family. The family's wealth originates from the energy sector, and the office focuses on real estate, real assets, private equity, and venture capital investments, particularly in energy, materials, agriculture, and real estate sectors.

In the full dataset

Cascade Asset Management

Kirkland · SFO · >5B

Cascade Asset Management is a single family office headquartered in Kirkland, Washington. The firm deploys capital across private equity, venture capital, real estate, public equities, and other alternative assets, targeting sectors including technology, energy, and healthcare. The family's wealth originates from the technology sector.

In the full dataset

Grosvenor Estate

Chester · SFO · >5B

Grosvenor Estate is a single family office based in Chester, United Kingdom, managing over $5 billion in assets. It focuses on real estate, real assets, venture capital, and private equity, with wealth originating from the family's real estate holdings.

In the full dataset

H14 S.p.A

Milan · SFO · >5B

H14 S.p.A. is a single family office established in 1978 and based in Milan, Italy. It oversees the Berlusconi family's assets, allocating to private equity, public equities, real estate, hedge funds, and venture capital, with sector interests in media and telecom, healthcare, and energy.

In the full dataset

The Olayan Group

Athens · SFO · >5B

The Olayan Group is a single family office headquartered in Athens, Greece. Its investments span public equities, private equity, real estate, private credit, and hedge funds, focusing on sectors such as financial services, healthcare, technology, consumer, and real estate. The family's wealth stems from its business roots in Saudi Arabia.

In the full dataset

Mousse Partners, Ltd

New York · SFO · >5B

Mousse Partners, Ltd is a single family office based in New York, founded in 1991. It manages assets for the Wertheimer family, whose wealth derives from the Chanel luxury brand. The firm invests across private equity, venture capital, private credit, and public equities, with a focus on consumer, technology, and healthcare sectors.

In the full dataset
The landscape

What this list covers

This list contains all 624 impact investor single family offices worldwide from our verified dataset, ranked from largest to smallest and carrying 3,439 named decision-maker contacts. Coverage is led by United States (46% of the list), followed by United Kingdom and Germany.

Sector exposure is broadest in Technology, Healthcare and Consumer. The largest offices by assets include Santa Devota Group, Cascade Asset Management and Grosvenor Estate.

95% 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 624 offices sit: by country and sector

By country
United States
284 offices
46%
United Kingdom
45 offices
7%
Germany
45 offices
7%
Singapore
31 offices
5%
Canada
24 offices
4%
Switzerland
19 offices
3%
Sector exposure
Technology51%
Healthcare37%
Consumer33%
Energy31%
Real Estate30%
Industrials28%
Financial Services19%
Media Telecom18%
Share of the 561 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 624 offices, so you know what you're getting before you buy.

No dead ends — all 624 offices are reachable via a website or a direct channel. 95% (590) have a direct channel — a firm email, phone or contact form, or a named decision-maker's direct email or LinkedIn.

Per office · 624 offices
Identity & location
Company name100% · 624/624
Office type100% · 624/624
Description100% · 624/624
HQ city93% · 580/624
Firm profile
AUM band95% · 595/624
Sector focus90% · 561/624
Asset-class focus88% · 550/624
Year founded73% · 458/624
Geographic focus44% · 272/624
Contact & reachability
Website100% · 621/624
Company LinkedIn66% · 412/624
Firm email58% · 361/624
Phone52% · 327/624
Contact form34% · 212/624
Per named contact · 3,439 people
Person
Name100% · 3439/3439
Decision-maker flag98% · 3383/3439
Job title84% · 2876/3439
Reach
LinkedIn19% · 637/3439
Direct email12% · 428/3439

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 Global.

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 600+ Largest Impact Investor Single Family Offices in the World [2026] · Single seat
$199
One user · personal license
  • Full 624-office dataset & 3,439 contacts
  • Excel workbook + flat CSV, CRM-ready
  • 12 months of quarterly updates included
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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?

Explore the platform
The firm search screen listing multi-family offices across many countries, with filters, AUM bands, sector chips and contact-channel indicators

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