Company lists · Data refreshed September 2026
Top 25 Self-employed tax services based in the United Kingdom
RevenueBase identified 1,028 self-employed tax services headquartered in the United Kingdom as of September 2026 and tracks 4,111 professional contacts across them, including 1,392 with verified work emails. London is the largest hub.
This list covers self-employed tax 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 22, 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 self-employed tax services based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 177 contacts → | ||||
Partial evidence “Thoughtfully structuring and managing your tax affairs is more important than ever.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 2 | 157 contacts → | ||||
Partial evidence “Accounting - Tax - Corporate Finance To the entrepreneurs, business owners and investors who are the lifeblood of UK business.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 3 | 104 contacts → | ||||
Partial evidence “Online Accounting Service | Bookkeeping | Payroll | Personal Tax Return Filing to HMRC | Corporation Tax Filing | HMRC ONLINE FILING: Our aim is to help small business owners` tax…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 4 | 85 contacts → | ||||
Partial evidence “We are a team of helpful tax and financial planning experts, here to listen, understand your needs and circumstances and make all aspects of dealing with your finances simple…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 5 | 54 contacts → | ||||
Indirect evidence “DSL is one of the UK's leading small business accountancy firms, helping businesses grow since 1997.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 6 | 53 contacts → | ||||
Indirect evidence “At Artifin Accountants we strive to provide a more open experience of accounting services for business owners.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 7 | 42 contacts → | ||||
Indirect evidence “At PSB Accountants, we put your goals and aspirations first.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 8 | 40 contacts → | ||||
Partial evidence “Producing the annual accounts and managing the tax liability is vital for every business, but RiverView Portfolio Ltd offers more than just the number crunching.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 9 | 36 contacts → | ||||
Indirect evidence “Helping business owners be successful has been our ethos for over 25 years.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 10 | 34 contacts → | ||||
Indirect evidence “At Charterhouse, we have proudly served our clients from our Harrow office for over 50 years, and we are not your typical firm of accountants.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 11 | 31 contacts → | ||||
Partial evidence “Botham Accounting are a forward thinking team of accountants that provide strategic accounting and tax advice to ambitious businesses.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 12 | 28 contacts → | ||||
Partial evidence “Lanop Business & Tax Advisors, headquartered in South West London, is dedicated to delivering a full spectrum of accounting and tax services tailored to the unique needs of each…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 13 | 25 contacts → | ||||
Indirect evidence “Since 1995 SG Accounting has provided accountancy and taxation services for sole traders and Ltd companies.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 14 | 21 contacts → | ||||
Partial evidence “At Amber Solutions, we make it easy for our clients to complete, manage and file corporate and individual tax returns, small to medium and enterprise level documents and much more.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 15 | 20 contacts → | ||||
Partial evidence “Clearcut is a global team of qualified, experienced accountants and tax advisers, with expertise in tax and accounting services for Limited Companies, Contractors, Locums, Sole…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 16 | 19 contacts → | ||||
Partial evidence “SGD are a leading firm of accountants and tax advisers offering bespoke tax and accounting advice.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 17 | 18 contacts → | ||||
Partial evidence “We are a firm of qualified tax advisers, specialising in dealing with the affairs of owner managed businesses, entrepreneurs, and their concerns.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 18 | 17 contacts → | ||||
Indirect evidence “Parker Cavendish provides a range of service to small and medium sized businesses and individuals.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 19 | 17 contacts → | ||||
Partial evidence “Boobooks offers expert accounting, tax, and business support services tailored for small businesses.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 20 | 17 contacts → | ||||
Indirect evidence “We give you beautiful figures and help you achieve your financial goals.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 21 | 16 contacts → | ||||
Indirect evidence “At Wallace White, we believe great advice should be not only accessible, but always clear and grounded in your goals.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 22 | 16 contacts → | ||||
Indirect evidence “A thriving business is always seeking to grow.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 23 | 14 contacts → | ||||
Partial evidence “Maslins is a friendly team of chartered accountants and chartered tax advisers, supporting freelancer and contractor limited companies across the UK.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 24 | 14 contacts → | ||||
Indirect evidence “H M Williams are a firm who pride themselves on an up to date, friendly service.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 25 | 14 contacts → | ||||
Indirect evidence “We make business owners happy.” Source: RevenueBase Database · checked Sep 22, 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: self-employed tax 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 self-employed tax services.
- Partial evidence
- Its own public description names part of self-employed tax services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name self-employed tax 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 1,028 self-employed tax services based in the United Kingdom
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Self-employed tax services based in the United Kingdom at a glance
As of Sep 22, 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 1,028 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 self-employed tax 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 “self-employed tax 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 self-employed tax 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 self-employed tax 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, 1,392 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 22, 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.
Self-employed tax services by metro
- Self-employed tax services in London210
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 self-employed tax 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 self-employed tax services are there based in the United Kingdom?
RevenueBase identified 1,028 self-employed tax 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?
EY Private Client Services, headquartered in London, tops this list with the largest team on record.
Which city has the most self-employed tax services?
London leads with 210 headquartered companies, followed by Manchester (20) and Bristol (18).
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 1,392 verified decision-maker contacts tracked across these 1,028 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 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,028 self-employed tax services based in the United Kingdom. Start with a free account, no credit card.
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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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