Company lists · Data refreshed October 2026
Top 25 International tax accounting firms based in London, United Kingdom
RevenueBase identified 535 company matches for international tax accounting firms associated with London, United Kingdom as of October 2026 and tracks 16,000 professional contacts across them, including 7,206 with verified work emails. Across the United Kingdom, London is the largest hub for this category.
This list covers company matches for international tax accounting 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 October 1, 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.
The 25 largest international tax accounting firms based in London, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,933 contacts → | ||||
Exact match “BDO LLP is an accountancy and business advisory firm that provides Audit, Tax, Deals, and Consulting, Risk & Outsourcing (CR & O) services to entrepreneurial, growing and…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 2 | 1,151 contacts → | ||||
Exact match “At Moore Kingston Smith, we believe in the potential of people to make a positive impact, fuelled by the power of genuine understanding.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 3 | 725 contacts → | ||||
Exact match “PKF is a global family of legally independent professional services firms bound together by a shared commitment to quality, integrity and the creation of clarity in a complex…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 4 | 685 contacts → | ||||
Exact match “Nexia is a leading worldwide network of independent accounting and consulting firms.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 5 | 655 contacts → | ||||
Exact match “HaysMac is an award‑winning accountancy, tax and advisory firm, known for delivering expert, partner‑led advice to ambitious organisations and individuals.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 6 | 271 contacts → | ||||
Exact match “Established in 1983, Russell Bedford is a global network of independent firms of accountants, auditors, tax advisers and business consultants.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 7 | 203 contacts → | ||||
Exact match “Lubbock Fine is an independent accounting, tax, audit and advisory firm in the City of London.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 8 | 177 contacts → | ||||
Exact match “Thoughtfully structuring and managing your tax affairs is more important than ever.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 9 | 153 contacts → | ||||
Exact match “Dixon Wilson is one of the leading firms of Chartered Accountants based in London.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 10 | 133 contacts → | ||||
Exact match “Traditional accountants do a great job of the numbers, but that's often as far as the service goes.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 11 | 114 contacts → | ||||
Exact match “Alliotts LLP is based in London and Guildford.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 12 | 101 contacts → | ||||
Exact match “Welcome to AOG, your esteemed accounting and tax partner, serving SMEs and high-net-worth individuals in the UK and abroad.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 13 | 85 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 · Oct 1, 2026 · View company records in RevenueBase | |||||
| 14 | 75 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 · Oct 1, 2026 · View company records in RevenueBase | |||||
| 15 | 62 contacts → | ||||
Exact match “Fusion is a multi-disciplinary consulting firm that offers 360 degree advisory services and end-to-end solutions for private individuals and fast growth businesses.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 16 | 54 contacts → | ||||
Exact match “Clarkson Hyde Global is an international association of accountants, auditors, tax specialists and business advisors, working with small to medium-sized companies all over the…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 17 | 53 contacts → | ||||
Exact match “Bright Grahame Murray is a medium-sized firm of Chartered Accountants based in Kensington, London, SW7.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 18 | 51 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 · Oct 1, 2026 · View company records in RevenueBase | |||||
| 19 | 51 contacts → | ||||
Exact match “We’ve been around for a while now, celebrating our 50th anniversary in 2020.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 20 | 49 contacts → | ||||
Exact match “We pride ourselves on creating and sustaining supportive client relationships, based on commercially astute and timely advice which enables our clients to excel.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 21 | 48 contacts → | ||||
Exact match “We provide accounting, business advice and assistance for businesses investing abroad.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 22 | 48 contacts → | ||||
Exact match “ACCOUNTAX.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 23 | 42 contacts → | ||||
Exact match “Diacron Group provides accounting, tax and corporate services.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 24 | 42 contacts → | ||||
Exact match “At PSB Accountants, we put your goals and aspirations first.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 25 | 40 contacts → | ||||
Exact match “Warrener Stewart is a firm of chartered accountants, chartered tax advisors and registered auditors based in Fulham.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “international tax accounting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 535 international tax accounting firms based in London, United Kingdom
See the full list, filter by size, metro and specialty, and access 7,206 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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International tax accounting firms based in London, United Kingdom at a glance
As of Oct 1, 2026Companies by employee count
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 535 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 “international tax accounting 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 7,206 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 October 1, 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.
International tax accounting firms by metro in the United Kingdom
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 “international tax accounting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many international tax accounting firms are there based in London, United Kingdom?
RevenueBase identified 535 company matches for international tax accounting firms associated with London, United Kingdom as of October 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?
BDO UK 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 international tax accounting firms?
London leads the United Kingdom with 535 company records, followed by Manchester (42) and Birmingham (31).
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 7,206 professional contacts with verified work emails tracked across these 535 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 October 1, 2026.
Ready to reach these companies? Verified emails and direct dials for all 535 international tax accounting firms based in London, United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
International tax accounting firms by geography
- International tax accounting firms based in the United States
- International tax accounting firms based in Germany
- International tax accounting firms based in Brazil
- International tax accounting firms based in the United Kingdom
- International tax accounting firms based in Italy
- International tax accounting firms based in Canada
- International tax accounting firms based in Australia
- International tax accounting firms based in Spain
- International tax accounting firms based in Mexico
- International tax accounting firms based in the Netherlands
- International tax accounting firms based in France
- International tax accounting firms based in Argentina
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- International tax accounting firms based in the United States
- International tax accounting firms based in Germany
- International tax accounting firms based in Brazil
- International tax accounting firms based in the United Kingdom
- International tax accounting firms based in Italy
- International tax accounting firms based in Canada
Company intelligence · public preview
Top 25 international tax accounting firms based in London, United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 535 matching company records for international tax accounting firms based in London, United Kingdom, with 16,000 tracked contacts and 7,206 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 1, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 international tax accounting firms based in London, United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  BDO UKbdo.co.ukHQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 6,933 contacts → |
“BDO LLP is an accountancy and business advisory firm that provides Audit, Tax, Deals, and Consulting, Risk & Outsourcing (CR & O) services to entrepreneurial, growing and…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Moore Kingston Smithmooreks.co.ukHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 1,151 contacts → |
“At Moore Kingston Smith, we believe in the potential of people to make a positive impact, fuelled by the power of genuine understanding.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  PKF Globalpkf.comHQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 725 contacts → |
“PKF is a global family of legally independent professional services firms bound together by a shared commitment to quality, integrity and the creation of clarity in a complex…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  NEXIAnexia.comHQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 685 contacts → |
“Nexia is a leading worldwide network of independent accounting and consulting firms.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Haysmachaysmac.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 655 contacts → |
“HaysMac is an award‑winning accountancy, tax and advisory firm, known for delivering expert, partner‑led advice to ambitious organisations and individuals.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Russell Bedford Internationalrussellbedford.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 271 contacts → |
“Established in 1983, Russell Bedford is a global network of independent firms of accountants, auditors, tax advisers and business consultants.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Lubbock Finelubbockfine.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 203 contacts → |
“Lubbock Fine is an independent accounting, tax, audit and advisory firm in the City of London.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 177 contacts → |
“Thoughtfully structuring and managing your tax affairs is more important than ever.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Dixon Wilsondixonwilson.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 153 contacts → |
“Dixon Wilson is one of the leading firms of Chartered Accountants based in London.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Accounts And Legalaccountsandlegal.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 133 contacts → |
“Traditional accountants do a great job of the numbers, but that's often as far as the service goes.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Alliotts LLPalliotts.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 114 contacts → |
“Alliotts LLP is based in London and Guildford.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  AOGaog.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 101 contacts → |
“Welcome to AOG, your esteemed accounting and tax partner, serving SMEs and high-net-worth individuals in the UK and abroad.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  The FRY Groupthefrygroup.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 85 contacts → |
“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 description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Ustaxfsustaxfs.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 75 contacts → |
“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 description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Fusion Consulting Groupfcg.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 62 contacts → |
“Fusion is a multi-disciplinary consulting firm that offers 360 degree advisory services and end-to-end solutions for private individuals and fast growth businesses.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Clarkson Hyde Globalclarksonhydeglobal.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 54 contacts → |
“Clarkson Hyde Global is an international association of accountants, auditors, tax specialists and business advisors, working with small to medium-sized companies all over the…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Bright Grahame Murraybgm.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 53 contacts → |
“Bright Grahame Murray is a medium-sized firm of Chartered Accountants based in Kensington, London, SW7.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  TAX Advisory Partnershiptaxadvisorypartnership.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 51 contacts → |
“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 description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Lawrence Grant LLPlawrencegrant.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 51 contacts → |
“We’ve been around for a while now, celebrating our 50th anniversary in 2020.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Ground Controlgcbm.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 49 contacts → |
“We pride ourselves on creating and sustaining supportive client relationships, based on commercially astute and timely advice which enables our clients to excel.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Sheltons Groupsheltonsgroup.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 48 contacts → |
“We provide accounting, business advice and assistance for businesses investing abroad.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Accountax Consultants UK Limitedacountax.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 48 contacts → |
“ACCOUNTAX.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Diacron Groupdiacrongroup.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 42 contacts → |
“Diacron Group provides accounting, tax and corporate services.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  PSB Accountants Limitedp-s-b.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 42 contacts → |
“At PSB Accountants, we put your goals and aspirations first.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Warrener Stewartwarrenerstewart.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 40 contacts → |
“Warrener Stewart is a firm of chartered accountants, chartered tax advisors and registered auditors based in Fulham.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 535 company matches
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International tax accounting firms: dataset insights
October 1, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
530 records in the displayed employee bands.
5 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 535 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 1, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
International tax accounting firms by metro in the United Kingdom
Questions about this company list
What does Exact match mean for international tax accounting firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many international tax accounting firms did RevenueBase find based in London, United Kingdom?
The saved snapshot records 535 matching company records, 16,000 tracked contacts and 7,206 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 1, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
International tax accounting firms by geography
- International tax accounting firms based in the United States
- International tax accounting firms based in Germany
- International tax accounting firms based in Brazil
- International tax accounting firms based in the United Kingdom
- International tax accounting firms based in Italy
- International tax accounting firms based in Canada
- International tax accounting firms based in Australia
- International tax accounting firms based in Spain
- International tax accounting firms based in Mexico
- International tax accounting firms based in the Netherlands
- International tax accounting firms based in France
- International tax accounting firms based in Argentina
Cite this list
RevenueBase Data Team. Top 25 international tax accounting firms based in London, United Kingdom. Snapshot: October 1, 2026. https://revenuebase.ai/companies/international-tax-accounting-firms/united-kingdom/london.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- International tax accounting firms based in the United States
- International tax accounting firms based in Germany
- International tax accounting firms based in Brazil
- International tax accounting firms based in the United Kingdom
- International tax accounting firms based in Italy
- International tax accounting firms based in Canada
Company intelligence · public preview
Top 25 international tax accounting firms based in London, United Kingdom
RevenueBase records 535 matching company records for international tax accounting firms based in London, United Kingdom, with 16,000 tracked contacts and 7,206 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 1, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 international tax accounting firms based in London, United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | BDO UKbdo.co.uk HQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 6,933 contacts → |
“BDO LLP is an accountancy and business advisory firm that provides Audit, Tax, Deals, and Consulting, Risk & Outsourcing (CR & O) services to entrepreneurial, growing and…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Moore Kingston Smithmooreks.co.uk HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 1,151 contacts → |
“At Moore Kingston Smith, we believe in the potential of people to make a positive impact, fuelled by the power of genuine understanding.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | PKF Globalpkf.com HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 725 contacts → |
“PKF is a global family of legally independent professional services firms bound together by a shared commitment to quality, integrity and the creation of clarity in a complex…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | NEXIAnexia.com HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 685 contacts → |
“Nexia is a leading worldwide network of independent accounting and consulting firms.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Haysmachaysmac.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 655 contacts → |
“HaysMac is an award‑winning accountancy, tax and advisory firm, known for delivering expert, partner‑led advice to ambitious organisations and individuals.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Russell Bedford Internationalrussellbedford.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 271 contacts → |
“Established in 1983, Russell Bedford is a global network of independent firms of accountants, auditors, tax advisers and business consultants.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Lubbock Finelubbockfine.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 203 contacts → |
“Lubbock Fine is an independent accounting, tax, audit and advisory firm in the City of London.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 177 contacts → |
“Thoughtfully structuring and managing your tax affairs is more important than ever.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Dixon Wilsondixonwilson.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 153 contacts → |
“Dixon Wilson is one of the leading firms of Chartered Accountants based in London.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Accounts And Legalaccountsandlegal.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 133 contacts → |
“Traditional accountants do a great job of the numbers, but that's often as far as the service goes.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Alliotts LLPalliotts.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 114 contacts → |
“Alliotts LLP is based in London and Guildford.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | AOGaog.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 101 contacts → |
“Welcome to AOG, your esteemed accounting and tax partner, serving SMEs and high-net-worth individuals in the UK and abroad.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | The FRY Groupthefrygroup.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 85 contacts → |
“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 description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Ustaxfsustaxfs.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 75 contacts → |
“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 description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Fusion Consulting Groupfcg.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 62 contacts → |
“Fusion is a multi-disciplinary consulting firm that offers 360 degree advisory services and end-to-end solutions for private individuals and fast growth businesses.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Clarkson Hyde Globalclarksonhydeglobal.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 54 contacts → |
“Clarkson Hyde Global is an international association of accountants, auditors, tax specialists and business advisors, working with small to medium-sized companies all over the…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Bright Grahame Murraybgm.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 53 contacts → |
“Bright Grahame Murray is a medium-sized firm of Chartered Accountants based in Kensington, London, SW7.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | TAX Advisory Partnershiptaxadvisorypartnership.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 51 contacts → |
“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 description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Lawrence Grant LLPlawrencegrant.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 51 contacts → |
“We’ve been around for a while now, celebrating our 50th anniversary in 2020.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Ground Controlgcbm.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 49 contacts → |
“We pride ourselves on creating and sustaining supportive client relationships, based on commercially astute and timely advice which enables our clients to excel.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Sheltons Groupsheltonsgroup.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 48 contacts → |
“We provide accounting, business advice and assistance for businesses investing abroad.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Accountax Consultants UK Limitedacountax.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 48 contacts → |
“ACCOUNTAX.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Diacron Groupdiacrongroup.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 42 contacts → |
“Diacron Group provides accounting, tax and corporate services.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | PSB Accountants Limitedp-s-b.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 42 contacts → |
“At PSB Accountants, we put your goals and aspirations first.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Warrener Stewartwarrenerstewart.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 40 contacts → |
“Warrener Stewart is a firm of chartered accountants, chartered tax advisors and registered auditors based in Fulham.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 535 company matches
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International tax accounting firms: dataset insights
October 1, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
530 records in the displayed employee bands.
5 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 535 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 1, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
International tax accounting firms by metro in the United Kingdom
Questions about this company list
What does Exact match mean for international tax accounting firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many international tax accounting firms did RevenueBase find based in London, United Kingdom?
The saved snapshot records 535 matching company records, 16,000 tracked contacts and 7,206 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 1, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 international tax accounting firms based in London, United Kingdom. Snapshot: October 1, 2026. https://revenuebase.ai/companies/international-tax-accounting-firms/united-kingdom/london.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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