Company lists · Data refreshed September 2026
Top 25 Tax planning advisors based in the United Kingdom
RevenueBase identified 530 tax planning advisors headquartered in the United Kingdom as of September 2026 and tracks 5,162 professional contacts across them, including 1,197 with verified work emails. London is the largest hub.
This list covers tax planning advisors 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 tax planning advisors based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,042 contacts → | ||||
Indirect evidence “A traditional general practice, with a twist.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 2 | 211 contacts → | ||||
Partial evidence “Blevins Franks is the leading international tax and wealth management adviser to British nationals living in Europe.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 3 | 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. | |||||
| 4 | 134 contacts → | ||||
Strong evidence “Award winning accountants & tax advisors based in Newport, South Wales.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 5 | 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 22, 2026Thanks. The Data Team will review it. | |||||
| 6 | 85 contacts → | ||||
Strong 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. | |||||
| 7 | 51 contacts → | ||||
Strong evidence “The Tax Advisory Partnership is a young and vibrant London-based organisation, which brings together a wealth of wide ranging experience and expertise in all areas of UK and US…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 8 | 47 contacts → | ||||
Indirect evidence “At Moore, our purpose is to help people thrive – our clients, our people and the communities they live and work in.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 9 | 42 contacts → | ||||
Indirect evidence “We are now part of Affinia and this account is no longer monitored.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 10 | 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. | |||||
| 11 | 35 contacts → | ||||
Strong evidence “Wave goodbye to conventional tax advisors.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 12 | 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. | |||||
| 13 | 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. | |||||
| 14 | 28 contacts → | ||||
Partial evidence “WTT provides experienced tax advisers, legal experts and finance professionals.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 15 | 26 contacts → | ||||
Partial evidence “not all accountants are tax specialists and not all tax consultants are accountants" At IBISS & CO we appreciate the value of working together as a team.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 16 | 23 contacts → | ||||
Partial evidence “TLPI provides expert corporate tax, business, property, and investment consultancy to company directors and business owners across the UK.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 17 | 21 contacts → | ||||
Indirect evidence “Our mission is to advise, guide and support our clients to ensure they become as successful as all their hard work should make them.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 18 | 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. | |||||
| 19 | 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. | |||||
| 20 | 18 contacts → | ||||
Strong evidence “K3 Advantage is a trusted advisor focusing on Transactions, Tax Advisory and Strategy.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 21 | 18 contacts → | ||||
Partial evidence “Churchill Tax Advisers would love to help you understand how our services can save you money with the HMRC.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 22 | 18 contacts → | ||||
Strong evidence “Leading the way for tax and wealth advisory services, we use our experience and expertise to provide the best Accounting and Taxation services specific to your business needs.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 23 | 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. | |||||
| 24 | 17 contacts → | ||||
Partial evidence “We are passionate about helping owners of businesses maximise wealth and minimise tax.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 25 | 17 contacts → | ||||
Partial evidence “Tax Innovations is an award winning firm of Tax Advisers, Accountants and Financial Partners.” 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: tax planning advisors. 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 tax planning advisors.
- Partial evidence
- Its own public description names part of tax planning advisors, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name tax planning advisors. 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 530 tax planning advisors based in the United Kingdom
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Tax planning advisors 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 530 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 tax planning advisors, 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 “tax planning advisors”. 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 tax planning advisors), 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 tax planning advisors, 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, 1,197 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.
Tax planning advisors by metro
- Tax planning advisors in London137
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 tax planning advisors, 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 tax planning advisors are there based in the United Kingdom?
RevenueBase identified 530 tax planning advisors 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?
TAX Consultant, headquartered in Brighton, tops this list with the largest team on record.
Which city has the most tax planning advisors?
London leads with 137 headquartered companies, followed by Leicester (9) and Manchester (9).
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 1,197 verified decision-maker contacts tracked across these 530 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.
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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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