Company lists · Data refreshed September 2026
Top 25 Due diligence firms based in the United Kingdom
RevenueBase identified 156 company matches for due diligence firms associated with the United Kingdom as of September 2026 and tracks 2,075 professional contacts across them, including 797 with verified work emails. London is the largest hub.
This list covers company matches for due diligence firms associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 19, 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 due diligence firms based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 242 contacts → | ||||
Exact match “We help our customers to do the right business in the right way.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 195 contacts → | ||||
Exact match “Forensic Risk Alliance (FRA) is an international consultancy that combines forensic accounting and forensic technology expertise to position businesses for success with…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 159 contacts → | ||||
Exact match “By leveraging cutting-edge technology and experienced analysts, Neotas are going beyond and setting new standards in Due Diligence, Staff Screening, and Compliance.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 140 contacts → | ||||
Exact match “Corporate Research and Investigations Limited is a global provider of investigative research, background screening and business due diligence services for the world’s leading…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 117 contacts → | ||||
Exact match “FACT are at the forefront of investigative and intelligence services, recognised by organisations, law enforcement, and governments worldwide.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 6 | 100 contacts → | ||||
Exact match “At Verifile, we’re committed to helping ensure that every one of your employees is everything they claim to be.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 94 contacts → | ||||
Exact match “Risk Advisory Group is a global business intelligence and investigations firm.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 8 | 58 contacts → | ||||
Exact match “Aperio Intelligence is an independent, integrity risk consultancy headquartered in the City of London.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 51 contacts → | ||||
Exact match “ExamWorks Investigation Services is a leading claims investigation company providing the insurance, banking, retail and other sectors with a range of innovative and cost effective…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 38 contacts → | ||||
Exact match “ICP is an independent, human-led research firm providing decision-grade intelligence on companies operating in markets where reliable data cannot be trusted.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 36 contacts → | ||||
Exact match “Harod Associates delivers global investigation and security solutions to complex crime and risk issues.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 35 contacts → | ||||
Exact match “At VENOVOX, we are a premier consultancy in risk management and background screening, delivering specialised services in due diligence, security advisory, background checks, and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 30 contacts → | ||||
Exact match “RGI Solutions - Solving the Toughest Cases with Precision and Expertise Welcome to RGI Solutions, the leading independent investigations company in the UK!” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 28 contacts → | ||||
Exact match “Verita is the leading independent consultancy for regulated organisations in the UK.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 28 contacts → | ||||
Exact match “PROCIUS | Employment screening experts We are one of the largest pre-employment screening agency in the UK.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 24 contacts → | ||||
Exact match “Ground Truth Intelligence is the global due diligence platform designed for an ever-changing world.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 22 contacts → | ||||
Exact match “Our Chartered Security Professionals seamlessly integrate discreet and effective security into lifestyles and organisations.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 19 contacts → | ||||
Exact match “Our continued vision is to be the playmaker in our field; an investigation and protection consultancy, recognised for our diligence, excellence & integrity.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 18 contacts → | ||||
Exact match “We give our clients the confidence to identify opportunities, mitigate risks, tackle challenges and understand the landscapes they inhabit.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 18 contacts → | ||||
Exact match “Diligence is a private investigations firm, the output of our investigations help our clients make informed decisions bridging the gap between what they know and what they need to…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 15 contacts → | ||||
Exact match “For over two decades, our trusted experts have helped organisations stay safe, compliant, and moving forward.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 15 contacts → | ||||
Exact match “Hartford Advisers is a specialist intelligence, research and due diligence firm.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 23 | 15 contacts → | ||||
Exact match “Eurocom C.I.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 24 | 13 contacts → | ||||
Exact match “HiveRisk is a boutique risk and compliance company founded by their CEO Kate Burt, an experienced solicitor with over 20 years experience in the legal sector.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 25 | 12 contacts → | ||||
Exact match “What’s it really like to be your customer-today, in every location, in every market?” Recorded in the RevenueBase company graph · Sep 19, 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 “due diligence 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 156 due diligence firms based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 797 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Due diligence firms based in the United Kingdom at a glance
As of Sep 19, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 156 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United Kingdom whose business descriptions match “due diligence 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 797 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 19, 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 “due diligence firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many due diligence firms are there based in the United Kingdom?
RevenueBase identified 156 company matches for due diligence firms associated with the United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Wilmington PLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most due diligence firms?
London leads with 78 company records, followed by Manchester (6) and Wokingham (3).
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 797 professional contacts with verified work emails tracked across these 156 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 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 156 due diligence firms based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Due diligence firms by geography
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- Due diligence firms based in Brazil
- Due diligence firms based in Canada
- Due diligence firms based in France
- Due diligence firms based in India
- Due diligence firms based in Italy
- Due diligence firms based in the Netherlands
- Due diligence firms based in South Africa
- Due diligence firms based in Spain
- Due diligence firms based in the United States
Browse the directory
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
Company intelligence · public preview
Top 25 due diligence firms based in the 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 156 matching company records for due diligence firms based in the United Kingdom, with 2,075 tracked contacts and 797 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 19, 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 due diligence firms based in the 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 |  Wilmington PLCwilmingtonplc.comHQ: Birmingham, United KingdomReported employees: 501-1,000 | Birmingham, United Kingdom | 501-1,000 | Exact match | 242 contacts → |
“We help our customers to do the right business in the right way.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Forensic Risk Allianceforensicrisk.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 195 contacts → |
“Forensic Risk Alliance (FRA) is an international consultancy that combines forensic accounting and forensic technology expertise to position businesses for success with…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Neotasneotas.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 159 contacts → |
“By leveraging cutting-edge technology and experienced analysts, Neotas are going beyond and setting new standards in Due Diligence, Staff Screening, and Compliance.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Corporate Research And Investigationscrigroup.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 140 contacts → |
“Corporate Research and Investigations Limited is a global provider of investigative research, background screening and business due diligence services for the world’s leading…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  FACTfact-uk.org.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 117 contacts → |
“FACT are at the forefront of investigative and intelligence services, recognised by organisations, law enforcement, and governments worldwide.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Verifile Limitedverifile.co.ukHQ: Bedford, United KingdomReported employees: 51-200 | Bedford, United Kingdom | 51-200 | Exact match | 100 contacts → |
“At Verifile, we’re committed to helping ensure that every one of your employees is everything they claim to be.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  The Risk Advisory Groupriskadvisory.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 94 contacts → |
“Risk Advisory Group is a global business intelligence and investigations firm.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Aperio Intelligenceaperio-intelligence.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 58 contacts → |
“Aperio Intelligence is an independent, integrity risk consultancy headquartered in the City of London.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Examworks Investigation Servicesexamworks-is.co.ukHQ: Bolton, United KingdomReported employees: 51-200 | Bolton, United Kingdom | 51-200 | Exact match | 51 contacts → |
“ExamWorks Investigation Services is a leading claims investigation company providing the insurance, banking, retail and other sectors with a range of innovative and cost effective…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | ICPicpcredit.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 38 contacts → |
“ICP is an independent, human-led research firm providing decision-grade intelligence on companies operating in markets where reliable data cannot be trusted.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  HARODharodassociates.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 36 contacts → |
“Harod Associates delivers global investigation and security solutions to complex crime and risk issues.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Venovoxvenovox.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 35 contacts → |
“At VENOVOX, we are a premier consultancy in risk management and background screening, delivering specialised services in due diligence, security advisory, background checks, and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  RGIrgisolutions.co.ukHQ: Cheadle Hulme, United KingdomReported employees: 51-200 | Cheadle Hulme, United Kingdom | 51-200 | Exact match | 30 contacts → |
“RGI Solutions - Solving the Toughest Cases with Precision and Expertise Welcome to RGI Solutions, the leading independent investigations company in the UK!” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Veritaverita.netHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 28 contacts → |
“Verita is the leading independent consultancy for regulated organisations in the UK.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Procius Limitedprocius.comHQ: Basingstoke, United KingdomReported employees: 51-200 | Basingstoke, United Kingdom | 51-200 | Exact match | 28 contacts → |
“PROCIUS | Employment screening experts We are one of the largest pre-employment screening agency in the UK.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Ground Truth Intelligencegtintel.ioHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 24 contacts → |
“Ground Truth Intelligence is the global due diligence platform designed for an ever-changing world.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Kiris Groupkirisgroup.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 22 contacts → |
“Our Chartered Security Professionals seamlessly integrate discreet and effective security into lifestyles and organisations.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Tenintelligencetenintel.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 19 contacts → |
“Our continued vision is to be the playmaker in our field; an investigation and protection consultancy, recognised for our diligence, excellence & integrity.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Ridgeway Informationridgeway-information.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 18 contacts → |
“We give our clients the confidence to identify opportunities, mitigate risks, tackle challenges and understand the landscapes they inhabit.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Diligencediligence.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 18 contacts → |
“Diligence is a private investigations firm, the output of our investigations help our clients make informed decisions bridging the gap between what they know and what they need to…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Disclosure Servicesdisclosureservices.comHQ: Wrexham, United KingdomReported employees: 11-50 | Wrexham, United Kingdom | 11-50 | Exact match | 15 contacts → |
“For over two decades, our trusted experts have helped organisations stay safe, compliant, and moving forward.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Hartford Advisershartford.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 15 contacts → |
“Hartford Advisers is a specialist intelligence, research and due diligence firm.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Eurocom C.I.Ltdeurocomci.co.ukHQ: Leatherhead, United KingdomReported employees: 11-50 | Leatherhead, United Kingdom | 11-50 | Exact match | 15 contacts → |
“Eurocom C.I.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Hiveriskhiverisk.comHQ: Manchester, United KingdomReported employees: 11-50 | Manchester, United Kingdom | 11-50 | Exact match | 13 contacts → |
“HiveRisk is a boutique risk and compliance company founded by their CEO Kate Burt, an experienced solicitor with over 20 years experience in the legal sector.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Storecheckers UKstorecheckers.co.uk HQ: Manchester, United KingdomReported employees: 1,001-5,000 | Manchester, United Kingdom | 1,001-5,000 | Exact match | 12 contacts → |
“What’s it really like to be your customer-today, in every location, in every market?” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 156 company matches
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Due diligence firms: dataset insights
September 19, 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
156 records in the displayed employee bands.
0 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 worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 156 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 19, 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 due diligence 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 due diligence firms did RevenueBase find based in the United Kingdom?
The saved snapshot records 156 matching company records, 2,075 tracked contacts and 797 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 19, 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
Due diligence firms by geography
- Due diligence firms based in Australia
- Due diligence firms based in Brazil
- Due diligence firms based in Canada
- Due diligence firms based in France
- Due diligence firms based in India
- Due diligence firms based in Italy
- Due diligence firms based in the Netherlands
- Due diligence firms based in South Africa
- Due diligence firms based in Spain
- Due diligence firms based in the United States
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 due diligence firms based in the United Kingdom. Snapshot: September 19, 2026. https://revenuebase.ai/companies/due-diligence-firms/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 due diligence firms based in the United Kingdom
RevenueBase records 156 matching company records for due diligence firms based in the United Kingdom, with 2,075 tracked contacts and 797 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 19, 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 due diligence firms based in the 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 | Wilmington PLCwilmingtonplc.com HQ: Birmingham, United KingdomReported employees: 501-1,000 | Birmingham, United Kingdom | 501-1,000 | Exact match | 242 contacts → |
“We help our customers to do the right business in the right way.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Forensic Risk Allianceforensicrisk.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 195 contacts → |
“Forensic Risk Alliance (FRA) is an international consultancy that combines forensic accounting and forensic technology expertise to position businesses for success with…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Neotasneotas.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 159 contacts → |
“By leveraging cutting-edge technology and experienced analysts, Neotas are going beyond and setting new standards in Due Diligence, Staff Screening, and Compliance.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Corporate Research And Investigationscrigroup.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 140 contacts → |
“Corporate Research and Investigations Limited is a global provider of investigative research, background screening and business due diligence services for the world’s leading…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | FACTfact-uk.org.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 117 contacts → |
“FACT are at the forefront of investigative and intelligence services, recognised by organisations, law enforcement, and governments worldwide.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Verifile Limitedverifile.co.uk HQ: Bedford, United KingdomReported employees: 51-200 | Bedford, United Kingdom | 51-200 | Exact match | 100 contacts → |
“At Verifile, we’re committed to helping ensure that every one of your employees is everything they claim to be.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | The Risk Advisory Groupriskadvisory.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 94 contacts → |
“Risk Advisory Group is a global business intelligence and investigations firm.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Aperio Intelligenceaperio-intelligence.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 58 contacts → |
“Aperio Intelligence is an independent, integrity risk consultancy headquartered in the City of London.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Examworks Investigation Servicesexamworks-is.co.uk HQ: Bolton, United KingdomReported employees: 51-200 | Bolton, United Kingdom | 51-200 | Exact match | 51 contacts → |
“ExamWorks Investigation Services is a leading claims investigation company providing the insurance, banking, retail and other sectors with a range of innovative and cost effective…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | ICPicpcredit.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 38 contacts → |
“ICP is an independent, human-led research firm providing decision-grade intelligence on companies operating in markets where reliable data cannot be trusted.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HARODharodassociates.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 36 contacts → |
“Harod Associates delivers global investigation and security solutions to complex crime and risk issues.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Venovoxvenovox.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 35 contacts → |
“At VENOVOX, we are a premier consultancy in risk management and background screening, delivering specialised services in due diligence, security advisory, background checks, and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | RGIrgisolutions.co.uk HQ: Cheadle Hulme, United KingdomReported employees: 51-200 | Cheadle Hulme, United Kingdom | 51-200 | Exact match | 30 contacts → |
“RGI Solutions - Solving the Toughest Cases with Precision and Expertise Welcome to RGI Solutions, the leading independent investigations company in the UK!” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Veritaverita.net HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 28 contacts → |
“Verita is the leading independent consultancy for regulated organisations in the UK.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Procius Limitedprocius.com HQ: Basingstoke, United KingdomReported employees: 51-200 | Basingstoke, United Kingdom | 51-200 | Exact match | 28 contacts → |
“PROCIUS | Employment screening experts We are one of the largest pre-employment screening agency in the UK.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Ground Truth Intelligencegtintel.io HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 24 contacts → |
“Ground Truth Intelligence is the global due diligence platform designed for an ever-changing world.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Kiris Groupkirisgroup.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 22 contacts → |
“Our Chartered Security Professionals seamlessly integrate discreet and effective security into lifestyles and organisations.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Tenintelligencetenintel.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 19 contacts → |
“Our continued vision is to be the playmaker in our field; an investigation and protection consultancy, recognised for our diligence, excellence & integrity.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Ridgeway Informationridgeway-information.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 18 contacts → |
“We give our clients the confidence to identify opportunities, mitigate risks, tackle challenges and understand the landscapes they inhabit.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Diligencediligence.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 18 contacts → |
“Diligence is a private investigations firm, the output of our investigations help our clients make informed decisions bridging the gap between what they know and what they need to…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Disclosure Servicesdisclosureservices.com HQ: Wrexham, United KingdomReported employees: 11-50 | Wrexham, United Kingdom | 11-50 | Exact match | 15 contacts → |
“For over two decades, our trusted experts have helped organisations stay safe, compliant, and moving forward.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Hartford Advisershartford.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 15 contacts → |
“Hartford Advisers is a specialist intelligence, research and due diligence firm.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Eurocom C.I.Ltdeurocomci.co.uk HQ: Leatherhead, United KingdomReported employees: 11-50 | Leatherhead, United Kingdom | 11-50 | Exact match | 15 contacts → |
“Eurocom C.I.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Hiveriskhiverisk.com HQ: Manchester, United KingdomReported employees: 11-50 | Manchester, United Kingdom | 11-50 | Exact match | 13 contacts → |
“HiveRisk is a boutique risk and compliance company founded by their CEO Kate Burt, an experienced solicitor with over 20 years experience in the legal sector.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Storecheckers UKstorecheckers.co.uk HQ: Manchester, United KingdomReported employees: 1,001-5,000 | Manchester, United Kingdom | 1,001-5,000 | Exact match | 12 contacts → |
“What’s it really like to be your customer-today, in every location, in every market?” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 156 company matches
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Due diligence firms: dataset insights
September 19, 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
156 records in the displayed employee bands.
0 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 worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 156 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 19, 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 due diligence 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 due diligence firms did RevenueBase find based in the United Kingdom?
The saved snapshot records 156 matching company records, 2,075 tracked contacts and 797 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 19, 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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Browse the directory
Cite this list
RevenueBase Data Team. Top 25 due diligence firms based in the United Kingdom. Snapshot: September 19, 2026. https://revenuebase.ai/companies/due-diligence-firms/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗