Company lists · Data refreshed September 2026

Top 25 Expatriate tax services based in the United Kingdom

RevenueBase identified 307 company matches for expatriate tax services associated with the United Kingdom as of September 2026 and tracks 3,983 professional contacts across them, including 788 with verified work emails. London is the largest hub.

This list covers company matches for expatriate tax 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 20, 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 20, 2026 How this list was built
307Companies
3,983Contacts tracked
788Verified emails
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The 25 largest expatriate tax services based in the United Kingdom

Ranked by team size
Top 25 of 307 company matches for expatriate tax services based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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 20, 2026n/a2,042 contacts →

Exact match

“A traditional general practice, with a twist.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 20, 202610001+177 contacts →

Exact match

“Thoughtfully structuring and managing your tax affairs is more important than ever.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchNewport, United KingdomHQ recorded Sep 20, 202651-200134 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-20075 contacts →

Exact match

“USTAXFS are the largest independent tax accounting firm in the UK & Europe specialising in US tax, including the complex specialism of US and UK cross-border tax planning.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchHarrow, United KingdomHQ recorded Sep 20, 202651-20061 contacts →

Exact match

“Since 1962 RDP Newmans have been providing businesses with accountancy and taxation services, which are tailored to help our clients achieve their financial goals.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-20051 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5048 contacts →

Exact match

“We provide accounting, business advice and assistance for businesses investing abroad.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-20042 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchRichmond, United KingdomHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5031 contacts →

Exact match

“As specialists in UK, US and Expatriate Tax, we provide unique tax advisory and compliance services that assist both individuals and companies.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchEllesmere Port, United KingdomHQ recorded Sep 20, 202651-20029 contacts →

Exact match

“Alexander Beard are specialist International Financial Advisers.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5029 contacts →

Exact match

“We are accountants and business consultants who speak the language of our clients.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5028 contacts →

Exact match

“WTT provides experienced tax advisers, legal experts and finance professionals.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 20, 20261-1026 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchMilton Keynes, United KingdomHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
17Exact matchSheffield, United KingdomHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
18Exact matchCoventry, United KingdomHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
19Exact matchSheffield, United KingdomHQ recorded Sep 20, 202611-5017 contacts →

Exact match

“RHJ Group is an international advisory firm specialising in global tax services, legal structuring and corporate compliance for expats, investors, and multinational companies.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5017 contacts →

Exact match

“Welcome to More Group, a global practice of accounting, international tax and corporate service specialists.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact match103 The Burlington Tower, United KingdomHQ recorded Sep 20, 202611-5016 contacts →

Exact match

“Premier Consultancy is a pathway to enhance the global reach of your business through the Immigration Programs and International Tax Consultancy Services.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchGlasgow, United KingdomHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5016 contacts →

Exact match

“A thriving business is always seeking to grow.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchOxted, United KingdomHQ recorded Sep 20, 202611-5014 contacts →

Exact match

“To get into the top 20% of all businesses which thrive, you need to measure the right things and make better decisions quicker.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchPlympton, United KingdomHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase

Showing 25 of 307 expatriate tax services based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 788 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Expatriate tax services based in the United Kingdom at a glance

As of Sep 20, 2026
19.8%Verified-email coverage
13.0Average contacts per company
1-10Median size (employees)
38.4%Largest-city concentration · London
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
203
11-50
83
51-200
14
201-500
1
501-1,000
1
10001+
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 307 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 “expatriate tax 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 788 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 20, 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 “expatriate tax services”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 307 company matches for expatriate tax 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?

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

Which city has the most expatriate tax services?

London leads with 118 company records, followed by Manchester (6) and Birmingham (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 788 professional contacts with verified work emails tracked across these 307 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 20, 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.