Company lists · Data refreshed November 2026
Top 24 Information security audit services based in the United Kingdom
RevenueBase identified 122 company matches for information security audit services associated with the United Kingdom as of November 2026 and tracks 2,493 professional contacts across them, including 221 with verified work emails. London is the largest hub.
This list covers company matches for information security audit services associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 5, 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 24 largest information security audit services based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 782 contacts → | ||||
Exact match “Get a free, powerful security assessment with personalised recommendations, the same analysis that costs from IT Consultancies.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 76 contacts → | ||||
Exact match “Dionach by Nomios has over 25 years of expertise in information security, supporting organisations in building resilience against ever‑evolving cyber threats.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 35 contacts → | ||||
Exact match “SPECIALISTS IN IT SECURITY AND COMPLIANCE Our goal is to help customers define, develop and implement information security and compliance services, no matter what stage of the…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 31 contacts → | ||||
Exact match “We help Defence, Government and highly regulated organisations solve complex cyber security and information assurance challenges, from Secure by Design and security architecture…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 29 contacts → | ||||
Exact match “Based in Manchester UK, we are an independent Cyber Security Consultancy providing Security services across a wide range of markets, from multi-national Corporate Organisations…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 25 contacts → | ||||
Exact match “Our overarching aim is to safeguard your information so that you can focus on taking your business where you want it to go.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 18 contacts → | ||||
Exact match “RedSecLabs, with its global team of highly respected cybersecurity experts, offers world-class and top-tier cybersecurity consulting services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 8 | 13 contacts → | ||||
Exact match “Hawsons Data Protection & Cyber Security Limited (formerly Bruce & Butler Limited) are your partners in Data Protection & Cyber Security.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 9 | 13 contacts → | ||||
Exact match “At 2|SEC Consulting, we deliver an end-to-end service of cyber and information security solutions which are tailored to each client’s exact security needs.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 13 contacts → | ||||
Exact match “Security Consultants at Infosec Partners are formally trained to a high degree, having at least one of the following Security Management certifications: CESG CLAS, CISSP, CISM…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 12 contacts → | ||||
Exact match “Cyber Trust | Your security team around your existing IT Cyber Trust is a UK‑based cyber security firm that works alongside your existing IT team or technology provider.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 11 contacts → | ||||
Exact match “Corporate IT Systems (CITSL) helps the organisations society depends on most make trust provable.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 10 contacts → | ||||
Exact match “Simplified Solutions protects organisation’s most valuable asset – Financial, Customer, Employee and Transactional Data.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 9 contacts → | ||||
Exact match “Through excellent consultancy we protect clients from reputation damage, financial penalties and the operational disruption associated with data incidents and cyberattacks.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 7 contacts → | ||||
Exact match “KEYSIGMA is a specialist cyber security consultancy and certification body based in Cheltenham.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 7 contacts → | ||||
Exact match “Secure Debug: Your Full-Spectrum Cybersecurity Guardian!” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 7 contacts → | ||||
Exact match “NGS Secure is now NCC Group NCC Group is a leading global information assurance firm, providing freedom from doubt that all critical material is available, protected, and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match “Information security and compliance can be a challenging process across many areas and for many organisations.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 5 contacts → | ||||
Exact match “Key Capabilities • 24/7 SIEM (Security Information and Event Management) • Virtual Helpdesk • SOC (Security Operations Center) • Robust Penetration Testing • Threat Intelligence…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 4 contacts → | ||||
Exact match “Intex IT is an Information Security Consultancy We provide Consultancy in the following areas: ISO 27001 –Information Security Management System (ISMS) ISO 27005 – Risk Management…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 3 contacts → | ||||
Exact match “Metis Security is an independent UK cybersecurity consultancy specialising in Microsoft cloud security control effectiveness.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 22 | 3 contacts → | ||||
Exact match “Information Security and Data Protection consultancy providing Virtual CISO, security reviews, assessments, training, Data Protection as a Service (DPaaS) and knowledge transfer.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match “Cybercontrols is a UK GRC consultancy for SMEs and scale-ups that need certification for tenders, enterprise deals or AI governance.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 2 contacts → | ||||
Exact match “Cyber Security Audit and Assurance, Digital Transformation Consultancy and Community Engagement” Recorded in the RevenueBase company graph · Nov 5, 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 “information security audit services”. 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 24 of 122 information security audit services based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 221 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Information security audit services based in the United Kingdom at a glance
As of Nov 5, 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 122 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 “information security audit services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 221 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 November 5, 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.
Information security audit services by metro
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 “information security audit services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many information security audit services are there based in the United Kingdom?
RevenueBase identified 122 company matches for information security audit services associated with the United Kingdom as of November 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?
COBRA tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most information security audit services?
London leads with 36 company records, followed by Cheltenham (3) and Edinburgh (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 221 professional contacts with verified work emails tracked across these 122 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 November 5, 2026.
Ready to reach these companies? Verified emails and direct dials for all 122 information security audit services based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Information security audit services by geography
- Information security audit services based in Paris, France
- Information security audit services based in London, United Kingdom
- Information security audit services based in Australia
- Information security audit services based in Brazil
- Information security audit services based in Canada
- Information security audit services based in France
- Information security audit services based in Germany
- Information security audit services based in India
- Information security audit services based in Mexico
- Information security audit services based in the Netherlands
- Information security audit services based in Poland
- Information security audit services based in Spain
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
- Information security audit services based in Paris, France
- Information security audit services based in London, United Kingdom
- Information security audit services based in Australia
- Information security audit services based in Brazil
- Information security audit services based in Canada
- Information security audit services based in France
Company intelligence · public preview
Top 24 information security audit services 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 122 matching company records for information security audit services based in the United Kingdom, with 2,493 tracked contacts and 221 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 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 24 information security audit services 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 |  COBRAaudit.amazingsupport.co.ukHQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 782 contacts → |
“Get a free, powerful security assessment with personalised recommendations, the same analysis that costs from IT Consultancies.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Dionach By Nomiosdionach.comHQ: Oxford, United KingdomReported employees: 51-200 | Oxford, United Kingdom | 51-200 | Exact match | 76 contacts → |
“Dionach by Nomios has over 25 years of expertise in information security, supporting organisations in building resilience against ever‑evolving cyber threats.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Omnicyber Securityomnicybersecurity.comHQ: Solihull, United KingdomReported employees: 11-50 | Solihull, United Kingdom | 11-50 | Exact match | 35 contacts → |
“SPECIALISTS IN IT SECURITY AND COMPLIANCE Our goal is to help customers define, develop and implement information security and compliance services, no matter what stage of the…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  I3secure LTDi3secure.co.ukHQ: Bristol, United KingdomReported employees: 11-50 | Bristol, United Kingdom | 11-50 | Exact match | 31 contacts → |
“We help Defence, Government and highly regulated organisations solve complex cyber security and information assurance challenges, from Secure by Design and security architecture…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Cyber Security Specialistscybersecurityspecialists.co.ukHQ: Altrincham, United KingdomReported employees: 11-50 | Altrincham, United Kingdom | 11-50 | Exact match | 29 contacts → |
“Based in Manchester UK, we are an independent Cyber Security Consultancy providing Security services across a wide range of markets, from multi-national Corporate Organisations…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Smartsafe Consulting And Technologysmartsafeuk.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 25 contacts → |
“Our overarching aim is to safeguard your information so that you can focus on taking your business where you want it to go.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Redseclabsredseclabs.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 18 contacts → |
“RedSecLabs, with its global team of highly respected cybersecurity experts, offers world-class and top-tier cybersecurity consulting services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Bruce & Butlerhawsons.co.ukHQ: Sheffield, United KingdomReported employees: 11-50 | Sheffield, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Hawsons Data Protection & Cyber Security Limited (formerly Bruce & Butler Limited) are your partners in Data Protection & Cyber Security.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  2-Sec2-sec.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 13 contacts → |
“At 2|SEC Consulting, we deliver an end-to-end service of cyber and information security solutions which are tailored to each client’s exact security needs.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Infosec Partnersinfosecpartners.comHQ: Winchester, United KingdomReported employees: 11-50 | Winchester, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Security Consultants at Infosec Partners are formally trained to a high degree, having at least one of the following Security Management certifications: CESG CLAS, CISSP, CISM…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Cyber Trustcyber-trust.co.ukHQ: Southend-on-sea, United KingdomReported employees: 11-50 | Southend-on-sea, United Kingdom | 11-50 | Exact match | 12 contacts → |
“Cyber Trust | Your security team around your existing IT Cyber Trust is a UK‑based cyber security firm that works alongside your existing IT team or technology provider.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Corporate IT Systems Limitedcitsl.netHQ: Poole, United KingdomReported employees: 11-50 | Poole, United Kingdom | 11-50 | Exact match | 11 contacts → |
“Corporate IT Systems (CITSL) helps the organisations society depends on most make trust provable.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Simplified Solutionssimplifiedsol.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Simplified Solutions protects organisation’s most valuable asset – Financial, Customer, Employee and Transactional Data.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Cortidacortida.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 9 contacts → |
“Through excellent consultancy we protect clients from reputation damage, financial penalties and the operational disruption associated with data incidents and cyberattacks.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Keysigmakeysigma.co.ukHQ: Cheltenham, United KingdomReported employees: 1-10 | Cheltenham, United Kingdom | 1-10 | Exact match | 7 contacts → |
“KEYSIGMA is a specialist cyber security consultancy and certification body based in Cheltenham.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Secure Debugsecuredebug.comHQ: Cranfield, United KingdomReported employees: 11-50 | Cranfield, United Kingdom | 11-50 | Exact match | 7 contacts → |
“Secure Debug: Your Full-Spectrum Cybersecurity Guardian!” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  NGS Securenccgroup.comHQ: Manchester, United KingdomReported employees: 501-1,000 | Manchester, United Kingdom | 501-1,000 | Exact match | 7 contacts → |
“NGS Secure is now NCC Group NCC Group is a leading global information assurance firm, providing freedom from doubt that all critical material is available, protected, and…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  3ct Security3ct.co.ukHQ: Tewkesbury, United KingdomReported employees: 1-10 | Tewkesbury, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Information security and compliance can be a challenging process across many areas and for many organisations.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Gcssystems Limitedgcssystems.co.ukHQ: Richmond, United KingdomReported employees: 51-200 | Richmond, United Kingdom | 51-200 | Exact match | 5 contacts → |
“Key Capabilities • 24/7 SIEM (Security Information and Event Management) • Virtual Helpdesk • SOC (Security Operations Center) • Robust Penetration Testing • Threat Intelligence…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Intex ITintexit.co.ukHQ: Chatham, United KingdomReported employees: 11-50 | Chatham, United Kingdom | 11-50 | Exact match | 4 contacts → |
“Intex IT is an Information Security Consultancy We provide Consultancy in the following areas: ISO 27001 –Information Security Management System (ISMS) ISO 27005 – Risk Management…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Metis Security LTDmetis-security.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Metis Security is an independent UK cybersecurity consultancy specialising in Microsoft cloud security control effectiveness.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  FOX RED Risk Solutionsfoxredrisk.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Information Security and Data Protection consultancy providing Virtual CISO, security reviews, assessments, training, Data Protection as a Service (DPaaS) and knowledge transfer.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  cybercontrols.iocybercontrols.ioHQ: Morpeth, United KingdomReported employees: 1-10 | Morpeth, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Cybercontrols is a UK GRC consultancy for SMEs and scale-ups that need certification for tenders, enterprise deals or AI governance.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Cyber Force Servicescyberforce.servicesHQ: Sheffield, United KingdomReported employees: 1-10 | Sheffield, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Cyber Security Audit and Assurance, Digital Transformation Consultancy and Community Engagement” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 122 company matches
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Information security audit services: dataset insights
November 5, 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
121 records in the displayed employee bands.
1 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 122 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: November 5, 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 ↗
Information security audit services by metro
Questions about this company list
What does Exact match mean for information security audit services?
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 information security audit services did RevenueBase find based in the United Kingdom?
The saved snapshot records 122 matching company records, 2,493 tracked contacts and 221 verified emails. The public preview displays 24 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: November 5, 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
Information security audit services by geography
- Information security audit services based in Paris, France
- Information security audit services based in London, United Kingdom
- Information security audit services based in Australia
- Information security audit services based in Brazil
- Information security audit services based in Canada
- Information security audit services based in France
- Information security audit services based in Germany
- Information security audit services based in India
- Information security audit services based in Mexico
- Information security audit services based in the Netherlands
- Information security audit services based in Poland
- Information security audit services based in Spain
Cite this list
RevenueBase Data Team. Top 24 information security audit services based in the United Kingdom. Snapshot: November 5, 2026. https://revenuebase.ai/companies/information-security-audit-services/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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Information security audit services based in Paris, France
- Information security audit services based in London, United Kingdom
- Information security audit services based in Australia
- Information security audit services based in Brazil
- Information security audit services based in Canada
- Information security audit services based in France
Company intelligence · public preview
Top 24 information security audit services based in the United Kingdom
RevenueBase records 122 matching company records for information security audit services based in the United Kingdom, with 2,493 tracked contacts and 221 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 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 24 information security audit services 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 | COBRAaudit.amazingsupport.co.uk HQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 782 contacts → |
“Get a free, powerful security assessment with personalised recommendations, the same analysis that costs from IT Consultancies.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Dionach By Nomiosdionach.com HQ: Oxford, United KingdomReported employees: 51-200 | Oxford, United Kingdom | 51-200 | Exact match | 76 contacts → |
“Dionach by Nomios has over 25 years of expertise in information security, supporting organisations in building resilience against ever‑evolving cyber threats.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Omnicyber Securityomnicybersecurity.com HQ: Solihull, United KingdomReported employees: 11-50 | Solihull, United Kingdom | 11-50 | Exact match | 35 contacts → |
“SPECIALISTS IN IT SECURITY AND COMPLIANCE Our goal is to help customers define, develop and implement information security and compliance services, no matter what stage of the…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | I3secure LTDi3secure.co.uk HQ: Bristol, United KingdomReported employees: 11-50 | Bristol, United Kingdom | 11-50 | Exact match | 31 contacts → |
“We help Defence, Government and highly regulated organisations solve complex cyber security and information assurance challenges, from Secure by Design and security architecture…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Cyber Security Specialistscybersecurityspecialists.co.uk HQ: Altrincham, United KingdomReported employees: 11-50 | Altrincham, United Kingdom | 11-50 | Exact match | 29 contacts → |
“Based in Manchester UK, we are an independent Cyber Security Consultancy providing Security services across a wide range of markets, from multi-national Corporate Organisations…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Smartsafe Consulting And Technologysmartsafeuk.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 25 contacts → |
“Our overarching aim is to safeguard your information so that you can focus on taking your business where you want it to go.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Redseclabsredseclabs.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 18 contacts → |
“RedSecLabs, with its global team of highly respected cybersecurity experts, offers world-class and top-tier cybersecurity consulting services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Bruce & Butlerhawsons.co.uk HQ: Sheffield, United KingdomReported employees: 11-50 | Sheffield, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Hawsons Data Protection & Cyber Security Limited (formerly Bruce & Butler Limited) are your partners in Data Protection & Cyber Security.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 2-Sec2-sec.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 13 contacts → |
“At 2|SEC Consulting, we deliver an end-to-end service of cyber and information security solutions which are tailored to each client’s exact security needs.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Infosec Partnersinfosecpartners.com HQ: Winchester, United KingdomReported employees: 11-50 | Winchester, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Security Consultants at Infosec Partners are formally trained to a high degree, having at least one of the following Security Management certifications: CESG CLAS, CISSP, CISM…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Cyber Trustcyber-trust.co.uk HQ: Southend-on-sea, United KingdomReported employees: 11-50 | Southend-on-sea, United Kingdom | 11-50 | Exact match | 12 contacts → |
“Cyber Trust | Your security team around your existing IT Cyber Trust is a UK‑based cyber security firm that works alongside your existing IT team or technology provider.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Corporate IT Systems Limitedcitsl.net HQ: Poole, United KingdomReported employees: 11-50 | Poole, United Kingdom | 11-50 | Exact match | 11 contacts → |
“Corporate IT Systems (CITSL) helps the organisations society depends on most make trust provable.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Simplified Solutionssimplifiedsol.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Simplified Solutions protects organisation’s most valuable asset – Financial, Customer, Employee and Transactional Data.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Cortidacortida.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 9 contacts → |
“Through excellent consultancy we protect clients from reputation damage, financial penalties and the operational disruption associated with data incidents and cyberattacks.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Keysigmakeysigma.co.uk HQ: Cheltenham, United KingdomReported employees: 1-10 | Cheltenham, United Kingdom | 1-10 | Exact match | 7 contacts → |
“KEYSIGMA is a specialist cyber security consultancy and certification body based in Cheltenham.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Secure Debugsecuredebug.com HQ: Cranfield, United KingdomReported employees: 11-50 | Cranfield, United Kingdom | 11-50 | Exact match | 7 contacts → |
“Secure Debug: Your Full-Spectrum Cybersecurity Guardian!” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | NGS Securenccgroup.com HQ: Manchester, United KingdomReported employees: 501-1,000 | Manchester, United Kingdom | 501-1,000 | Exact match | 7 contacts → |
“NGS Secure is now NCC Group NCC Group is a leading global information assurance firm, providing freedom from doubt that all critical material is available, protected, and…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | 3ct Security3ct.co.uk HQ: Tewkesbury, United KingdomReported employees: 1-10 | Tewkesbury, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Information security and compliance can be a challenging process across many areas and for many organisations.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Gcssystems Limitedgcssystems.co.uk HQ: Richmond, United KingdomReported employees: 51-200 | Richmond, United Kingdom | 51-200 | Exact match | 5 contacts → |
“Key Capabilities • 24/7 SIEM (Security Information and Event Management) • Virtual Helpdesk • SOC (Security Operations Center) • Robust Penetration Testing • Threat Intelligence…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Intex ITintexit.co.uk HQ: Chatham, United KingdomReported employees: 11-50 | Chatham, United Kingdom | 11-50 | Exact match | 4 contacts → |
“Intex IT is an Information Security Consultancy We provide Consultancy in the following areas: ISO 27001 –Information Security Management System (ISMS) ISO 27005 – Risk Management…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Metis Security LTDmetis-security.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Metis Security is an independent UK cybersecurity consultancy specialising in Microsoft cloud security control effectiveness.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | FOX RED Risk Solutionsfoxredrisk.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Information Security and Data Protection consultancy providing Virtual CISO, security reviews, assessments, training, Data Protection as a Service (DPaaS) and knowledge transfer.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | cybercontrols.iocybercontrols.io HQ: Morpeth, United KingdomReported employees: 1-10 | Morpeth, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Cybercontrols is a UK GRC consultancy for SMEs and scale-ups that need certification for tenders, enterprise deals or AI governance.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Cyber Force Servicescyberforce.services HQ: Sheffield, United KingdomReported employees: 1-10 | Sheffield, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Cyber Security Audit and Assurance, Digital Transformation Consultancy and Community Engagement” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 122 company matches
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Information security audit services: dataset insights
November 5, 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
121 records in the displayed employee bands.
1 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 122 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: November 5, 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 ↗
Information security audit services by metro
Questions about this company list
What does Exact match mean for information security audit services?
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 information security audit services did RevenueBase find based in the United Kingdom?
The saved snapshot records 122 matching company records, 2,493 tracked contacts and 221 verified emails. The public preview displays 24 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: November 5, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 24 information security audit services based in the United Kingdom. Snapshot: November 5, 2026. https://revenuebase.ai/companies/information-security-audit-services/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Information security audit services based in Paris, France
- Information security audit services based in London, United Kingdom
- Information security audit services based in Australia
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