Company lists · Data refreshed September 2026

Top 25 Tax preparation companies based in the United Kingdom

RevenueBase identified 238 company matches for tax preparation companies associated with the United Kingdom as of September 2026 and tracks 961 professional contacts across them, including 194 with verified work emails and 45 with mobile numbers. London is the largest hub.

This list covers company matches for tax preparation companies 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 7, 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 7, 2026 How this list was built
238Companies
961Contacts tracked
194Verified emails
45Mobile numbers
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The 25 largest tax preparation companies based in the United Kingdom

Ranked by team size
Top 25 of 238 company matches for tax preparation companies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 7, 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 match42-44 Bishopsgate, United KingdomHQ recorded Sep 7, 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 7, 2026 · View company records in RevenueBase
2Exact matchLeamington Spa, United KingdomHQ recorded Sep 7, 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 7, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 7, 202611-5042 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
4Exact matchRuislip, United KingdomHQ recorded Sep 7, 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 7, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 7, 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 7, 2026 · View company records in RevenueBase
6Exact matchPlympton, United KingdomHQ recorded Sep 7, 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 7, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 7, 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 7, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 7, 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 7, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Sep 7, 202611-5012 contacts →

Exact match

“Qualified US and UK tax advisors.”

Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
10Exact matchWaltham Cross, United KingdomHQ recorded Sep 7, 202611-5011 contacts →

Exact match

“Ford Rhodes Accountants Limited is an accounting company based out of Rowan House, Delamare Road, Waltham Cross, Hertfordshire, United Kingdom.”

Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
11Exact matchChester, United KingdomHQ recorded Sep 7, 202611-509 contacts →

Exact match

“We provide our tax compliance services in accordance with our ethos – which is Right, On Time, In Budget and with added value.”

Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
12Exact matchSend, United KingdomHQ recorded Sep 7, 202611-508 contacts →

Exact match

“Thorne Expatriate Tax Services are specialists in personal US and UK Tax Return preparation and tax advisory services for individuals operating since April 2010.”

Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 7, 202611-508 contacts →

Exact match

“Alderton Accountancy is an accounting firm based in London, United Kingdom.”

Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
14Exact matchAldgate, United KingdomHQ recorded Sep 7, 202611-508 contacts →

Exact match

“Every year, 200 million Europeans go through tax preparation hell.”

Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
15Exact matchBedford, United KingdomHQ recorded Sep 7, 202611-508 contacts →

Exact match

“Business start up advisor.”

Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 7, 20261-107 contacts →

Exact match

“We work with small and medium-sized businesses and individuals to meet their taxation and accounting needs.”

Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
17Exact matchBelper, United KingdomHQ recorded Sep 7, 20261-106 contacts →

Exact match

“Whether you just have a Tax Return to complete, need some tax advice, want to start your own business, set up a new company, or have been trading for many years, we will tailor…”

Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
18Exact matchLeicester, United KingdomHQ recorded Sep 7, 202611-506 contacts →

Exact match

“Taxsolvers can assist you with Year End Accounts, Tax returns, VAT Returns, Corporation Tax Returns, Personal Tax Returns, Payroll, Bookkeeping Services, and many more!”

Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
19Exact matchSwindon, United KingdomHQ recorded Sep 7, 20261-106 contacts →

Exact match

“Payslip is an accounting firm with a team of enthusiastic professionals providing excellence, personalized financial and professional leadership to its clients both to individuals…”

Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
20Exact matchBirmingham, United KingdomHQ recorded Sep 7, 20261-105 contacts →

Exact match

“Our team of professional tax advisers will help you make sense of your tax.”

Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
21Exact matchWatford, United KingdomHQ recorded Sep 7, 20261-105 contacts →

Exact match

“Accounting Services - We offer a wide range of accounting services including bookkeeping, payroll processing, tax preparation, and more.”

Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Sep 7, 20261-105 contacts →

Exact match

“Satis Tax provides specialist tax and accountancy advice to individuals and businesses in the UK, US and throughout the world.”

Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
23Exact matchKnowle, United KingdomHQ recorded Sep 7, 20261-105 contacts →

Exact match

“If you’re worried about your accounting paperwork, we can help take those worries away!”

Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
24Exact matchWallington, United KingdomHQ recorded Sep 7, 202611-504 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
25Exact matchAxminster, United KingdomHQ recorded Sep 7, 20261-104 contacts →

Exact match

“At Bowes Brooks we offer a friendly and personal service.”

Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase

Showing 25 of 238 tax preparation companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 194 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tax preparation companies based in the United Kingdom at a glance

As of Sep 7, 2026
20.2%Verified-email coverage
4.7%Mobile-number coverage
4.0Average contacts per company
1-10Median size (employees)
21.0%Largest-city concentration · London
Sep 7, 2026Page data refreshed

Companies by employee count

1-10
186
11-50
42
51-200
2
201-500
2

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

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 companies” 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 194 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 7, 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.

Tax preparation companies by metro

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 companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 238 company matches for tax preparation companies 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?

Debitam tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most tax preparation companies?

London leads with 50 company records, followed by Birmingham (5) and Bristol (5).

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 194 professional contacts with verified work emails tracked across these 238 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 7, 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.