Company lists · Data refreshed September 2026

Top 25 Tax software consulting firms based in the United Kingdom

RevenueBase identified 262 company matches for tax software consulting firms associated with the United Kingdom as of September 2026 and tracks 3,330 professional contacts across them, including 363 with verified work emails. London is the largest hub.

This list covers company matches for tax software consulting firms 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 29, 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 29, 2026 How this list was built
262Companies
3,330Contacts tracked
363Verified emails
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The 25 largest tax software consulting firms based in the United Kingdom

Ranked by team size
Top 25 of 262 company matches for tax software consulting firms based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 matchBrighton, United KingdomHQ recorded Sep 29, 2026n/a2,042 contacts →

Exact match

“A traditional general practice, with a twist.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 29, 202611-5051 contacts →

Exact match

“Empowering Businesses to Thrive Through Financial Clarity | Adroit Accountax We're a team of passionate and experienced accountants dedicated to your business success.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 29, 202651-20042 contacts →

Exact match

“Diacron Group provides accounting, tax and corporate services.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 29, 202611-5026 contacts →

Exact match

“Financial Software Ltd (FSL) provides market-leading solutions and services that simplify the process of tax management, analysis and reporting in the UK, US and Ireland.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchHarpenden, United KingdomHQ recorded Sep 29, 202611-5023 contacts →

Exact match

“Hicks and Company, Chartered Accountants Tax and Audit Specialists We are a local firm of accountants based in Harpenden, Hemel Hempstead and Hitchin”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchMilton Keynes, United KingdomHQ recorded Sep 29, 202651-20023 contacts →

Exact match

“Xcelentra specializes in accounting, taxation, payroll, finance, and immigration services across the UK and Europe.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchSheffield, United KingdomHQ recorded Sep 29, 202611-5021 contacts →

Exact match

“Our mission is to advise, guide and support our clients to ensure they become as successful as all their hard work should make them.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchKeele, United KingdomHQ recorded Sep 29, 202611-5018 contacts →

Exact match

“Here at Sempar our ethos is to shape business futures.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchExeter, United KingdomHQ recorded Sep 29, 202611-5016 contacts →

Exact match

“We inspire and facilitate business success by: Harnessing the power of technology to deliver efficient, real time accounting Use management information to mitigate risk and…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchGlasgow, United KingdomHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 29, 202611-5016 contacts →

Exact match

“A thriving business is always seeking to grow.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchPlympton, United KingdomHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 29, 202611-5012 contacts →

Exact match

“At Chariot House, we specialize in supporting small to medium-sized organisations in managing their finances more efficiently and with greater simplicity.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchAberdeen, United KingdomHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 29, 202611-5012 contacts →

Exact match

“Qualified US and UK tax advisors.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchAddlestone, United KingdomHQ recorded Sep 29, 202611-5012 contacts →

Exact match

“BTCSoftware is the preferred independent tax compliance software provider for accountancy practices, businesses and individuals.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchEdenbridge, United KingdomHQ recorded Sep 29, 202611-5011 contacts →

Exact match

“Finance teams come to us when their finance system needs to support more complex reporting, approvals, workflows or business structures.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchEssex, United KingdomHQ recorded Sep 29, 202611-5011 contacts →

Exact match

“We are experts in the tax needs of the self employed and the companies that they engage with.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
20Exact matchManchester, United KingdomHQ recorded Sep 29, 20261-1010 contacts →

Exact match

“Cube Accountants are a forward looking enterprise with a reputation for high standards.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchMansfield, United KingdomHQ recorded Sep 29, 202611-509 contacts →

Exact match

“APC ACCOUNTANTS LIMITED is a leading accounting company based in Mansfield, Nottinghamshire offering great business and tax advise.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchChester, United KingdomHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Sep 29, 202611-509 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchSheffield, United KingdomHQ recorded Sep 29, 20261-109 contacts →

Exact match

“Accountants in Brighton and Sheffield.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchToddington, United KingdomHQ recorded Sep 29, 20261-108 contacts →

Exact match

“Working with ambitious businesses and engaging individuals, we provide care and attention for our clients and work with them to achieve their personal and professional goals.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 262 tax software consulting firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 363 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tax software consulting firms based in the United Kingdom at a glance

As of Sep 29, 2026
10.9%Verified-email coverage
12.7Average contacts per company
1-10Median size (employees)
30.9%Largest-city concentration · London
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
175
11-50
77
51-200
5
201-500
2
501-1,000
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 262 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 software consulting firms” 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 363 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 29, 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 software consulting firms 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 software consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tax software consulting firms are there based in the United Kingdom?

RevenueBase identified 262 company matches for tax software consulting firms 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?

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

Which city has the most tax software consulting firms?

London leads with 81 company records, followed by Manchester (5) and Glasgow (4).

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 363 professional contacts with verified work emails tracked across these 262 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 29, 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.