Company lists · Data refreshed September 2026

Top 25 Tax preparation services based in the United Kingdom

RevenueBase identified 592 company matches for tax preparation services associated with the United Kingdom as of September 2026 and tracks 2,383 professional contacts across them, including 710 with verified work emails. London is the largest hub.

This list covers company matches for tax preparation services associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 22, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 22, 2026 How this list was built
592Companies
2,383Contacts tracked
710Verified emails
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The 25 largest tax preparation services based in the United Kingdom

Ranked by team size
Top 25 of 592 company matches for tax preparation services based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchNewport, United KingdomHQ recorded Sep 22, 202651-200134 contacts →

Exact match

“Award winning accountants & tax advisors based in Newport, South Wales.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2Exact match42-44 Bishopsgate, United KingdomHQ recorded Sep 22, 202651-200104 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 22, 202651-20085 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4Exact matchLeamington Spa, United KingdomHQ recorded Sep 22, 2026n/a54 contacts →

Exact match

“DSL is one of the UK's leading small business accountancy firms, helping businesses grow since 1997.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchRichmond, United KingdomHQ recorded Sep 22, 202651-20042 contacts →

Exact match

“We are now part of Affinia and this account is no longer monitored.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 22, 202611-5042 contacts →

Exact match

“At PSB Accountants, we put your goals and aspirations first.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchStevenage, United KingdomHQ recorded Sep 22, 202651-20041 contacts →

Exact match

“Moore Northern Home Counties offers a wide range of accountancy, tax and advisory services.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchCalne, United KingdomHQ recorded Sep 22, 202611-5040 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchRuislip, United KingdomHQ recorded Sep 22, 202611-5021 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchCoventry, United KingdomHQ recorded Sep 22, 202611-5019 contacts →

Exact match

“SGD are a leading firm of accountants and tax advisers offering bespoke tax and accounting advice.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchStanmore, United KingdomHQ recorded Sep 22, 202611-5017 contacts →

Exact match

“Parker Cavendish provides a range of service to small and medium sized businesses and individuals.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 22, 202611-5017 contacts →

Exact match

“Boobooks offers expert accounting, tax, and business support services tailored for small businesses.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchRichmond, United KingdomHQ recorded Sep 22, 20261-1017 contacts →

Exact match

“We give you beautiful figures and help you achieve your financial goals.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchGlasgow, United KingdomHQ recorded Sep 22, 202611-5016 contacts →

Exact match

“At Wallace White, we believe great advice should be not only accessible, but always clear and grounded in your goals.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 22, 202611-5016 contacts →

Exact match

“A thriving business is always seeking to grow.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchBradford, United KingdomHQ recorded Sep 22, 202611-5015 contacts →

Exact match

“Full accountancy and taxation services.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchPlympton, United KingdomHQ recorded Sep 22, 202611-5014 contacts →

Exact match

“H M Williams are a firm who pride themselves on an up to date, friendly service.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Sep 22, 20261-1014 contacts →

Exact match

“Taxd helps you file your Self Assessment tax return easily, compliantly, and with maximum tax efficiency.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchDarlington, United KingdomHQ recorded Sep 22, 20261-1013 contacts →

Exact match

“Accountants in Darlington, providing a personalised service to business owners, doctors practices, doctors and individuals in Darlington and within an eighty mile radius.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 22, 202611-5013 contacts →

Exact match

“Established in 1993, Wilkins Southworth is a friendly firm of accountants based in Barnes, South West London.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchAberdeen, United KingdomHQ recorded Sep 22, 202611-5012 contacts →

Exact match

“Myself Shabbir Rahman, as the Managing Director, my passion lies in making an extraordinary difference in your life and your business.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchGlasgow, United KingdomHQ recorded Sep 22, 20261-1012 contacts →

Exact match

“We are proud to be described by our clients in Ayrshire and Glasgow as having a refreshing, caring approach which has led to our growing reputation as one of Ayrshire and…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Sep 22, 202611-5012 contacts →

Exact match

“Qualified US and UK tax advisors.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Sep 22, 202611-5011 contacts →

Exact match

“AG Tax Limited is a successful and friendly independent firm offering tax compliance and advisory services alongside accounting, bookkeeping and payroll support.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25Exact matchHarrow, United KingdomHQ recorded Sep 22, 20261-1011 contacts →

Exact match

“We are a firm of Chartered Tax Advisers and Chartered Certified Accountants based in Harrow, Middlesex.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 25 of 592 tax preparation services based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 710 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tax preparation services based in the United Kingdom at a glance

As of Sep 22, 2026
29.8%Verified-email coverage
4.0Average contacts per company
1-10Median size (employees)
18.2%Largest-city concentration · London
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
458
11-50
113
51-200
8
201-500
2
1,001-5,000
1

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 592 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United Kingdom whose business descriptions match “tax preparation services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 710 professional contacts with verified work emails across the full matched dataset. 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.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “tax preparation services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tax preparation services are there based in the United Kingdom?

RevenueBase identified 592 company matches for tax preparation services associated with the United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

HSJ Accountants, Business & TAX Advisors tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most tax preparation services?

London leads with 108 company records, followed by Birmingham (11) and Manchester (11).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 710 professional contacts with verified work emails tracked across these 592 companies; direct dials are available where recorded.

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 SmartSearch, 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.