Company lists · Data refreshed September 2026

Top 25 Expat tax law firms based in London, United Kingdom

RevenueBase identified 189 company matches for expat tax law firms associated with London, United Kingdom as of September 2026 and tracks 15,144 professional contacts across them, including 1,953 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for expat tax law firms associated with London, 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 28, 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 28, 2026 How this list was built
189Companies
15,144Contacts tracked
1,953Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest expat tax law firms based in London, United Kingdom

Ranked by team size
Top 25 of 189 company matches for expat tax law firms based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 matchLondon, United KingdomHQ recorded Sep 28, 2026n/a6,284 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 28, 20261,001-5,0001,376 contacts →

Exact match

“Based in London, Mishcon de Reya services an international community of clients and provides advice in situations where the constraints of geography often do not apply.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 28, 202651-200211 contacts →

Exact match

“Blevins Franks is the leading international tax and wealth management adviser to British nationals living in Europe.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 28, 202610001+177 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 28, 202651-20080 contacts →

Exact match

“We believe in offering the extraordinary with personal services tailored just for you.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 28, 2026201-50070 contacts →

Exact match

“With Over 26 Years Of Experience in Global Immigration Law.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Sep 28, 202651-20063 contacts →

Exact match

“UK and US Immigration lawyers with offices in London and New York, regarded as a “stellar” boutique immigration firm with a powerful transatlantic capability.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5048 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5047 contacts →

Exact match

“Tanager Wealth Management is a financial planning and investment management firm that empowers British-American families to achieve their financial goals.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 28, 202651-20042 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5031 contacts →

Exact match

“CM Murray LLP's 'deep expertise in both partnership and employment law', makes it well-placed to handle complex and sensitive matters for clients.” Legal 500 Tier 1 (Partnership…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Sep 28, 202651-20028 contacts →

Exact match

“Rosenblatt was established in the City of London in 1989.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5028 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5016 contacts →

Exact match

“A thriving business is always seeking to grow.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5015 contacts →

Exact match

“We are a law firm which is passionate about people issues in the workplace.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-1014 contacts →

Exact match

“SRDS Tax was founded in 2021 and is a fast growing, tax specialist firm.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5014 contacts →

Exact match

“Безопасное пространство для денег и активов – это философия команды ISG, которая определяет принципы нашей работы, продукты, сервисы и результаты, которые мы обеспечиваем клиентам.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5013 contacts →

Exact match

“Our business is very simple: we are experienced tax specialists with offices in London, Manchester and Solihull.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 189 expat tax law firms based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 1,953 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Expat tax law firms based in London, United Kingdom at a glance

As of Sep 28, 2026
12.9%Verified-email coverage
80.1Average contacts per company
1-10Median size (employees)
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
103
11-50
63
51-200
15
201-500
2
501-1,000
3
1,001-5,000
1
10001+
1

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 189 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 London, United Kingdom whose business descriptions match “expat tax law 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 1,953 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 28, 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 “expat tax law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many expat tax law firms are there based in London, United Kingdom?

RevenueBase identified 189 company matches for expat tax law firms associated with London, 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?

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

Which city in the United Kingdom has the most expat tax law firms?

London leads the United Kingdom with 189 company records, followed by Manchester (11) and Birmingham (7).

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 1,953 professional contacts with verified work emails tracked across these 189 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 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 189 expat tax law firms based in London, United Kingdom. Start with a free account, no credit card.

Download this list →

Related lists

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.