Company lists · Data refreshed September 2026
Top 25 Family office law firms based in the United Kingdom
RevenueBase identified 1,102 family office law firms headquartered in the United Kingdom as of September 2026 and tracks 20,689 professional contacts across them, including 10,664 with verified work emails. London is the largest hub.
This list covers family office law firms headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest family office law firms based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 929 contacts → | ||||
Indirect evidence “Stonehage Fleming is now Corient.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 910 contacts → | ||||
Indirect evidence “For the past 125 years we have been proud to assist some of the world's most remarkable individuals and organisations in realising their ambitions and using private capital to…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 693 contacts → | ||||
Indirect evidence “Farrer & Co is synonymous with the highest quality legal advice and service.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 689 contacts → | ||||
Partial evidence “We partner with successful individuals and families who want more than just investment advice – they want clarity, confidence, and a trusted relationship for the long term.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 591 contacts → | ||||
Partial evidence “We’re Forsters, a leading law firm renowned for our private client and real estate focus.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 564 contacts → | ||||
Indirect evidence “Refreshingly straightforward and open in our approach, we invest in our relationships and will care as much as you do about the outcome, whether that’s delivering your commercial…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 517 contacts → | ||||
Partial evidence “From our offices in the London, Isle of Man and Jersey and representative office in Dubai, our team of experienced wealth managers help to make your life easier and assist you in…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 460 contacts → | ||||
Strong evidence “We are a London based, full-service law firm, specialising in providing straightforward advice to ambitious clients ranging from entrepreneurial businesses, family offices and…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 415 contacts → | ||||
Indirect evidence “Progeny is the first and only global professional services firm to bring together independent advisory excellence across financial planning, tax, legal and asset management.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 360 contacts → | ||||
Partial evidence “A full service law firm with a diverse client base, Winckworth Sherwood prides itself on providing market leading advice across a broad range of sectors and markets.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 348 contacts → | ||||
Strong evidence “Stowe Family Law is the UK's largest specialist family law firm, with an excellent national and international reputation.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 275 contacts → | ||||
Indirect evidence “Private client services for businesses and individuals” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 246 contacts → | ||||
Partial evidence “Turcan Connell specialises in providing legal and tax advice to private individuals and their families.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 207 contacts → | ||||
Indirect evidence “Harrison Drury is a people business with relationships at its heart.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 207 contacts → | ||||
Partial evidence “Boodle Hatfield LLP is a commercially-focused firm of solicitors with leading practices in Property, Private Client and Business law.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 206 contacts → | ||||
Indirect evidence “We provide specialist legal services to private and commercial clients.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 189 contacts → | ||||
Partial evidence “Chattertons provide a comprehensive range of services delivering first class, client focused and trusted advice to individuals and businesses from its offices in London, Boston…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 189 contacts → | ||||
Indirect evidence “WBW offers a full range of legal and financial planning services to individuals and businesses, both locally and nationally.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 185 contacts → | ||||
Indirect evidence “Sopher + Co is one of the most entrepreneurial and progressive firms of accountants, business advisers, tax and corporate finance consultants in London.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 177 contacts → | ||||
Indirect evidence “Thoughtfully structuring and managing your tax affairs is more important than ever.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 162 contacts → | ||||
Partial evidence “Collyer Bristow is a long-established London law firm with a distinguished heritage dating back to 1760.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 142 contacts → | ||||
Partial evidence “Making a positive difference to people’s lives through the practice of law is the defining principle of what we do at the Jackson Lees Group.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 138 contacts → | ||||
Indirect evidence “We are a financial Professional Services firm, committed to giving you a simple and straightforward experience and ensuring you get the sophisticated financial outcomes you want.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 129 contacts → | ||||
Partial evidence “We’re SE-Solicitors, a leading law firm in the heart of England.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 125 contacts → | ||||
Indirect evidence “Westminster Wealth Management is a Chartered, independent financial advisory group, providing expert financial advice to a wide range of clients.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: family office law firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names family office law firms.
- Partial evidence
- Its own public description names part of family office law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name family office law firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 1,102 family office law firms based in the United Kingdom
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Family office law firms based in the United Kingdom at a glance
As of Sep 28, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 1,102 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among family office law firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United Kingdom whose own description of what they do matches “family office law firms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names family office law firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among family office law firms, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 10,664 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Family office law firms by metro
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names family office law firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many family office law firms are there based in the United Kingdom?
RevenueBase identified 1,102 family office law firms headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Stonehage Fleming, headquartered in United Kingdom, tops this list with the largest team on record.
Which city has the most family office law firms?
London leads with 476 headquartered companies, followed by Manchester (19) and Edinburgh (14).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 10,664 verified decision-maker contacts tracked across these 1,102 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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