Company lists · Data refreshed September 2026
Top 25 Family office accounting services based in the United Kingdom
RevenueBase identified 657 family office accounting services headquartered in the United Kingdom as of September 2026 and tracks 6,898 professional contacts across them, including 3,619 with verified work emails. London is the largest hub.
This list covers family office accounting services 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 20, 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 accounting services based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 579 contacts → | ||||
Indirect evidence “Armstrong Watson has been advising and protecting clients across the North of England and Scotland since 1867.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 575 contacts → | ||||
Indirect evidence “Buzzacott is an accountancy and advisory firm with a long-standing history of supporting individuals, businesses, and not-for-profits.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 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 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 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 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 177 contacts → | ||||
Indirect evidence “Thoughtfully structuring and managing your tax affairs is more important than ever.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 153 contacts → | ||||
Indirect evidence “Dixon Wilson is one of the leading firms of Chartered Accountants based in London.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 151 contacts → | ||||
Indirect evidence “For 40 years, Ormerod Rutter have offered the specialist hands-on support that clients need to handle all of their tax, business and financial affairs.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 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 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 134 contacts → | ||||
Indirect evidence “Award winning accountants & tax advisors based in Newport, South Wales.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 101 contacts → | ||||
Partial evidence “Welcome to AOG, your esteemed accounting and tax partner, serving SMEs and high-net-worth individuals in the UK and abroad.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 99 contacts → | ||||
Indirect evidence “Wellers is a firm of accountants who work with entrepreneurs, owner managers and private individuals to deliver quality advice and solutions that help them fulfil their…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 86 contacts → | ||||
Partial evidence “Since 1995 Sutton McGrath Hartley has been providing professional accountancy services from our offices in Sheffield and Chesterfield.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 80 contacts → | ||||
Strong evidence “SRL Global is a leading Family Office partner, empowering its clients with capabilities that improve valuation reconciliation, risk management, corporate governance, investment…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 64 contacts → | ||||
Partial evidence “Darnells Chartered Accountants are a dynamic accountancy firm, who have been trusted advisers to businesses and families across the Southwest for over 70 years.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 63 contacts → | ||||
Indirect evidence “Accountants you can trust – whatever the challenge – you’ll find we’re a safe pair of hands.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 62 contacts → | ||||
Partial evidence “We provide exceptional client service, driven only by the needs of individual clients and their families, now and in the long term.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 60 contacts → | ||||
Indirect evidence “If you’re looking for clear, practical financial advice tailored to your needs, you’re in the right place.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 59 contacts → | ||||
Indirect evidence “TRUSTED EXPERTISE, LASTING RELATIONSHIPS At Ward Williams, we are more than an accountancy and tax advisory firm-we are your strategic partner in financial success.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 54 contacts → | ||||
Indirect evidence “Based in Gerrards Cross, at Nunn Hayward, we understand the importance of building relationships with our clients, and our experienced, professional advisers deliver a bespoke…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 52 contacts → | ||||
Indirect evidence “Our integrated approach brings together accountancy and financial planning to maximise your financial performance.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 51 contacts → | ||||
Indirect evidence “What Keeps You Awake At Night?” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 51 contacts → | ||||
Indirect evidence “Rothmans offers a full range of independent accountancy and advisory services to businesses and individuals including: tax services, private client and trust advice, corporate…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 51 contacts → | ||||
Indirect evidence “We’ve been around for a while now, celebrating our 50th anniversary in 2020.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 46 contacts → | ||||
Indirect evidence “Ward Goodman is a leading firm of Financial Planners, Wealth Managers, Accountants, and Tax Advisers in the South of England, offering integrated and holistic services to help…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 46 contacts → | ||||
Strong evidence “Capital Generation Partners (CapGen) is a private investment office that delivers investment portfolios to families, trusts and endowments.” Source: RevenueBase Database · checked Sep 20, 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 accounting services. 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 accounting services.
- Partial evidence
- Its own public description names part of family office accounting services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name family office accounting services. 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 657 family office accounting services based in the United Kingdom
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Family office accounting services based in the United Kingdom at a glance
As of Sep 20, 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 657 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 accounting services, 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 accounting services”. 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 accounting services), 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 accounting services, 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, 3,619 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 20, 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 accounting services by metro
- Family office accounting services in London224
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 accounting services, 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 accounting services are there based in the United Kingdom?
RevenueBase identified 657 family office accounting services 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?
Armstrong Watson, headquartered in Carlisle, tops this list with the largest team on record.
Which city has the most family office accounting services?
London leads with 224 headquartered companies, followed by Manchester (8) and Birmingham (7).
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 3,619 verified decision-maker contacts tracked across these 657 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 20, 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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