Company lists · Data refreshed September 2026
Top 25 Big audit firms based in London, United Kingdom
RevenueBase identified 196 company matches for big audit firms associated with London, United Kingdom as of September 2026 and tracks 48,474 professional contacts across them, including 12,800 with verified work emails. Across the United Kingdom, London is the largest hub for this category.
This list covers company matches for big audit 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.
The 25 largest big audit firms based in London, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 14,509 contacts → | ||||
Exact match “Make growth happen.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 2 | 11,078 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 3 | 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 4 | 5,509 contacts → | ||||
Exact match “When choosing an advisor, you could accept the usual compromises.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 5 | 1,930 contacts → | ||||
Exact match “As a fast growing UK accounting and advisory firm, we’ve been there, as a trusted partner, helping businesses and individuals meet challenges and seize opportunities across…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 6 | 1,395 contacts → | ||||
Exact match “Crowe UK is a leading audit, tax, advisory and consulting firm with a national presence to complement our international reach.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 7 | 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 8 | 702 contacts → | ||||
Exact match “We are a fast-growing firm of accountants and business advisers based in London’s Canary Wharf, Leeds and in Manchester.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 9 | 602 contacts → | ||||
Exact match “We guide our clients, colleagues and communities to a brighter future.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 10 | 512 contacts → | ||||
Exact match “Kreston is a global network of innovative, like-minded accounting firms that puts trusted relationships and exceptional care at the heart of everything it does.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 11 | 505 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 12 | 379 contacts → | ||||
Exact match “Welcome to the new era of accountancy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 13 | 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 14 | 116 contacts → | ||||
Exact match “At Harris & Trotter, we believe your accountant should do a lot more than just report on how your business is doing – he or she should help you identify opportunities to improve…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 15 | 102 contacts → | ||||
Exact match “With more than 2,500 people spanning our office network, we provide an extensive spectrum of personalised services, encompassing accounting, audit, tax, advisory, and business…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 16 | 91 contacts → | ||||
Exact match “We focus on understanding your individual business needs.” Recorded in the RevenueBase company graph · Sep 28, 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 18 | 48 contacts → | ||||
Exact match “At Sayers Butterworth LLP we believe that clients come first.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 19 | 48 contacts → | ||||
Exact match “ACCOUNTAX.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 20 | 21 contacts → | ||||
Exact match “KNAV is a dynamic global accounting and consulting firm, offering a comprehensive range of services including accounting, assurance, taxation, international transfer pricing…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 21 | 18 contacts → | ||||
Exact match “The provision of accounting, auditing, taxation services and business advice to a number of clients ranging from individuals to small, medium and large groups of privately owned…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 22 | 16 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 | |||||
| 23 | 15 contacts → | ||||
Exact match “ADPL is one of the leading accountancy firms in the country.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 24 | 15 contacts → | ||||
Exact match “Established for over 30 years BSG Valentine is a provider of audit, tax and advisory services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 25 | 14 contacts → | ||||
Exact match “WellTax is a UK and UAE based firm that specialises in accounting, tax, and advisory services.” Recorded in the RevenueBase company graph · Sep 28, 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 “big audit 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 196 big audit firms based in London, United Kingdom
See the full list, filter by size, metro and specialty, and access 12,800 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Big audit firms based in London, United Kingdom at a glance
As of Sep 28, 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 196 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 “big audit 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 12,800 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 “big audit firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many big audit firms are there based in London, United Kingdom?
RevenueBase identified 196 company matches for big audit 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?
Kpmg 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 big audit firms?
London leads the United Kingdom with 196 company records, followed by Manchester (19) and Birmingham (12).
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 12,800 professional contacts with verified work emails tracked across these 196 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 196 big audit firms based in London, United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Big audit firms by geography
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- Big audit firms based in Belo Horizonte, Brazil
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- Big audit firms based in Campinas, Brazil
- Big audit firms based in Curitiba, Brazil
- Big audit firms based in Fortaleza, Brazil
- Big audit firms based in Porto Alegre, Brazil
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
- Big audit firms based in Buenos Aires, Argentina
- Big audit firms based in Brisbane, Australia
- Big audit firms based in Melbourne, Australia
- Big audit firms based in Sydney, Australia
- Big audit firms based in Vienna, Austria
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Company intelligence · public preview
Top 25 big audit 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 196 matching company records for big audit firms based in London, United Kingdom, with 48,474 tracked contacts and 12,800 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: September 28, 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 big audit 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 |  Kpmg UKkpmg.comHQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 14,509 contacts → |
“Make growth happen.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  PWC UKpwcukcareers.comHQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 11,078 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 3 |  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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Grant Thornton UKgrantthornton.co.ukHQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 5,509 contacts → |
“When choosing an advisor, you could accept the usual compromises.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  S&wswgroup.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,930 contacts → |
“As a fast growing UK accounting and advisory firm, we’ve been there, as a trusted partner, helping businesses and individuals meet challenges and seize opportunities across…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Crowe UKcrowe.co.ukHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,395 contacts → |
“Crowe UK is a leading audit, tax, advisory and consulting firm with a national presence to complement our international reach.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  PKF Littlejohnpkf-l.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 702 contacts → |
“We are a fast-growing firm of accountants and business advisers based in London’s Canary Wharf, Leeds and in Manchester.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Kreston Reeveskrestonreeves.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 602 contacts → |
“We guide our clients, colleagues and communities to a brighter future.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Kreston Globalkreston.comHQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 512 contacts → |
“Kreston is a global network of innovative, like-minded accounting firms that puts trusted relationships and exceptional care at the heart of everything it does.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Mazars In The UKmazars.co.ukHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 505 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 |  Gravitagravita.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 379 contacts → |
“Welcome to the new era of accountancy.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Harris & Trotter LLPharrisandtrotter.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 116 contacts → |
“At Harris & Trotter, we believe your accountant should do a lot more than just report on how your business is doing – he or she should help you identify opportunities to improve…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Xeinadin Previously Silver Levenexeinadin.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 102 contacts → |
“With more than 2,500 people spanning our office network, we provide an extensive spectrum of personalised services, encompassing accounting, audit, tax, advisory, and business…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Goodman Jonesgoodmanjones.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 91 contacts → |
“We focus on understanding your individual business needs.” Recorded description excerpt · September 28, 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Sayers Butterworth LLPsayersb.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 48 contacts → |
“At Sayers Butterworth LLP we believe that clients come first.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Knav UKknavcpa.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 21 contacts → |
“KNAV is a dynamic global accounting and consulting firm, offering a comprehensive range of services including accounting, assurance, taxation, international transfer pricing…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Goldblattsgoldblatts.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 18 contacts → |
“The provision of accounting, auditing, taxation services and business advice to a number of clients ranging from individuals to small, medium and large groups of privately owned…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  DAS TAX And Advisory Group US And UKdasaccounting.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 16 contacts → |
“A thriving business is always seeking to grow.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Adpl LLPaccountingdirectplus.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 15 contacts → |
“ADPL is one of the leading accountancy firms in the country.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | BSG Valentine UK LLPbsgvalentine.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 15 contacts → |
“Established for over 30 years BSG Valentine is a provider of audit, tax and advisory services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Welltaxwell-tax.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 14 contacts → |
“WellTax is a UK and UAE based firm that specialises in accounting, tax, and advisory services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 196 company matches
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Big audit firms: dataset insights
September 28, 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
194 records in the displayed employee bands.
2 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 196 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: September 28, 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 ↗
Questions about this company list
What does Exact match mean for big audit 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 big audit firms did RevenueBase find based in London, United Kingdom?
The saved snapshot records 196 matching company records, 48,474 tracked contacts and 12,800 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: September 28, 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
Big audit firms by geography
- Big audit firms based in Buenos Aires, Argentina
- Big audit firms based in Brisbane, Australia
- Big audit firms based in Melbourne, Australia
- Big audit firms based in Sydney, Australia
- Big audit firms based in Vienna, Austria
- Big audit firms based in Dhaka, Bangladesh
- Big audit firms based in Belo Horizonte, Brazil
- Big audit firms based in Brasilia, Brazil
- Big audit firms based in Campinas, Brazil
- Big audit firms based in Curitiba, Brazil
- Big audit firms based in Fortaleza, Brazil
- Big audit firms based in Porto Alegre, Brazil
Cite this list
RevenueBase Data Team. Top 25 big audit firms based in London, United Kingdom. Snapshot: September 28, 2026. https://revenuebase.ai/companies/big-audit-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
- Big audit firms based in Buenos Aires, Argentina
- Big audit firms based in Brisbane, Australia
- Big audit firms based in Melbourne, Australia
- Big audit firms based in Sydney, Australia
- Big audit firms based in Vienna, Austria
- Big audit firms based in Dhaka, Bangladesh
Company intelligence · public preview
Top 25 big audit firms based in London, United Kingdom
RevenueBase records 196 matching company records for big audit firms based in London, United Kingdom, with 48,474 tracked contacts and 12,800 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: September 28, 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 big audit 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 | Kpmg UKkpmg.com HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 14,509 contacts → |
“Make growth happen.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | PWC UKpwcukcareers.com HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 11,078 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 3 | 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Grant Thornton UKgrantthornton.co.uk HQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 5,509 contacts → |
“When choosing an advisor, you could accept the usual compromises.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | S&wswgroup.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,930 contacts → |
“As a fast growing UK accounting and advisory firm, we’ve been there, as a trusted partner, helping businesses and individuals meet challenges and seize opportunities across…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Crowe UKcrowe.co.uk HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,395 contacts → |
“Crowe UK is a leading audit, tax, advisory and consulting firm with a national presence to complement our international reach.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | PKF Littlejohnpkf-l.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 702 contacts → |
“We are a fast-growing firm of accountants and business advisers based in London’s Canary Wharf, Leeds and in Manchester.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Kreston Reeveskrestonreeves.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 602 contacts → |
“We guide our clients, colleagues and communities to a brighter future.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Kreston Globalkreston.com HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 512 contacts → |
“Kreston is a global network of innovative, like-minded accounting firms that puts trusted relationships and exceptional care at the heart of everything it does.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Mazars In The UKmazars.co.uk HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 505 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 | Gravitagravita.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 379 contacts → |
“Welcome to the new era of accountancy.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Harris & Trotter LLPharrisandtrotter.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 116 contacts → |
“At Harris & Trotter, we believe your accountant should do a lot more than just report on how your business is doing – he or she should help you identify opportunities to improve…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Xeinadin Previously Silver Levenexeinadin.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 102 contacts → |
“With more than 2,500 people spanning our office network, we provide an extensive spectrum of personalised services, encompassing accounting, audit, tax, advisory, and business…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Goodman Jonesgoodmanjones.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 91 contacts → |
“We focus on understanding your individual business needs.” Recorded description excerpt · September 28, 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Sayers Butterworth LLPsayersb.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 48 contacts → |
“At Sayers Butterworth LLP we believe that clients come first.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Knav UKknavcpa.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 21 contacts → |
“KNAV is a dynamic global accounting and consulting firm, offering a comprehensive range of services including accounting, assurance, taxation, international transfer pricing…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Goldblattsgoldblatts.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 18 contacts → |
“The provision of accounting, auditing, taxation services and business advice to a number of clients ranging from individuals to small, medium and large groups of privately owned…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | DAS TAX And Advisory Group US And UKdasaccounting.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 16 contacts → |
“A thriving business is always seeking to grow.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Adpl LLPaccountingdirectplus.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 15 contacts → |
“ADPL is one of the leading accountancy firms in the country.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | BSG Valentine UK LLPbsgvalentine.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 15 contacts → |
“Established for over 30 years BSG Valentine is a provider of audit, tax and advisory services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Welltaxwell-tax.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 14 contacts → |
“WellTax is a UK and UAE based firm that specialises in accounting, tax, and advisory services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 196 company matches
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Big audit firms: dataset insights
September 28, 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
194 records in the displayed employee bands.
2 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 196 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: September 28, 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 ↗
Questions about this company list
What does Exact match mean for big audit 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 big audit firms did RevenueBase find based in London, United Kingdom?
The saved snapshot records 196 matching company records, 48,474 tracked contacts and 12,800 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: September 28, 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.
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Cite this list
RevenueBase Data Team. Top 25 big audit firms based in London, United Kingdom. Snapshot: September 28, 2026. https://revenuebase.ai/companies/big-audit-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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