Company lists · Data refreshed September 2026
Top 25 Zero trust consulting firms based in the United Kingdom
RevenueBase identified 196 company matches for zero trust consulting firms associated with the United Kingdom as of September 2026 and tracks 1,217 professional contacts across them, including 532 with verified work emails. London is the largest hub.
This list covers company matches for zero trust consulting 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 29, 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 zero trust consulting firms based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 260 contacts → | ||||
Exact match “We are a global boutique, specializing exclusively in the convergence of identity-driven security and networking.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 74 contacts → | ||||
Exact match “Saepio increase awareness, reduce risk and improve security in a continually evolving threat landscape.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 61 contacts → | ||||
Exact match “MDSec are a UK based consultancy with a passion for information security.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 57 contacts → | ||||
Exact match “CyberLab is the UK-leading cyber security consultancy and managed services provider, trusted by over 1,200 enterprise businesses, government departments, and household names to…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 28 contacts → | ||||
Exact match “tmc3 is an award-winning, people-centric consultancy that is transforming cyber security from an overhead into an organisational enabler.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 26 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 22 contacts → | ||||
Exact match “Gradian offers pre-sales support, bespoke consultancy and managed services to protect your most critical assets from cyber threats.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 21 contacts → | ||||
Exact match “Chaleit is a cyber security management consultancy that aligns business context with real-world capability to solve complex risks.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 20 contacts → | ||||
Exact match “We are a trusted partner to leading organisations across the government and corporate sectors in the UK.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 19 contacts → | ||||
Exact match “Razorthorn Security is a specialist cybersecurity consultancy founded in 2007, with nearly two decades of experience helping organisations protect their data, their systems and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 17 contacts → | ||||
Exact match “We are a cyber security consultancy that specialises in security solution architecture, engineering, implementation and operational support.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 17 contacts → | ||||
Exact match “We are a leading cybersecurity services organization with more than a decade of proven expertise in consulting, solution implementation and managed services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 16 contacts → | ||||
Exact match “Cybersecurity should be integrated cohesively across the enterprise, promoting consistency, scalability, and efficiency.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 15 contacts → | ||||
Exact match “Protirus is an independent cybersecurity consultancy that helps large organisations protect what matters and move forward with confidence.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 12 contacts → | ||||
Exact match “We’re on a mission to make cyber security engaging, accessible and easy.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 11 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 10 contacts → | ||||
Exact match “Hydras is a Digital & Cloud Transformation Consultancy that specialise in Cyber Security.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 10 contacts → | ||||
Exact match “After being frustrated in the way that Cyber Security services were being delivered to organisations, Cyberhash was founded with a fresh approach to Cyber Security - keeping you…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 9 contacts → | ||||
Exact match “Flexible Talent Solutions: We provide highly skilled cybersecurity professionals to meet your specific needs, whether for long-term strategic projects or short-term, critical…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 8 contacts → | ||||
Exact match “Stratia Cyber is an independent, technology agnostic company providing high quality, pragmatic cyber security consultancy and expertise, is a founder member of the NCSC Certified…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 7 contacts → | ||||
Exact match “Kloudwerk offers a game-changing approach to cyber security consulting for SMEs.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 7 contacts → | ||||
Exact match “Kelltron Consulting Services is a globally recognized cybersecurity consulting firm with a strong presence in the United Kingdom, United States, and India.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 6 contacts → | ||||
Exact match “Be more cyber secure through better risk management.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 5 contacts → | ||||
Exact match “Falx is a consultancy based in England, delivering both technology and cyber security advisory services to organisations worldwide.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 5 contacts → | ||||
Exact match “Information Security Consultancy, MSSP” Recorded in the RevenueBase company graph · Sep 29, 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 “zero trust consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 196 zero trust consulting firms based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 532 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Zero trust consulting firms based in the United Kingdom at a glance
As of Sep 29, 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 196 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United Kingdom whose business descriptions match “zero trust consulting 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 532 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 29, 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.
Zero trust consulting firms 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 “zero trust consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many zero trust consulting firms are there based in the United Kingdom?
RevenueBase identified 196 company matches for zero trust consulting 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?
Xalient tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most zero trust consulting firms?
London leads with 82 company records, followed by Bristol (4) and Manchester (4).
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 532 professional contacts with verified work emails tracked across these 196 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 196 zero trust consulting firms based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Zero trust consulting firms by geography
- Zero trust consulting firms based in Melbourne, Australia
- Zero trust consulting firms based in Sao Paulo, Brazil
- Zero trust consulting firms based in Toronto, Canada
- Zero trust consulting firms based in Paris, France
- Zero trust consulting firms based in London, United Kingdom
- Zero trust consulting firms based in Australia
- Zero trust consulting firms based in Belgium
- Zero trust consulting firms based in Brazil
- Zero trust consulting firms based in Canada
- Zero trust consulting firms based in Chile
- Zero trust consulting firms based in France
- Zero trust consulting firms based in Germany
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
- Zero trust consulting firms based in Melbourne, Australia
- Zero trust consulting firms based in Sao Paulo, Brazil
- Zero trust consulting firms based in Toronto, Canada
- Zero trust consulting firms based in Paris, France
- Zero trust consulting firms based in London, United Kingdom
- Zero trust consulting firms based in Australia
Company intelligence · public preview
Top 25 zero trust consulting 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 196 matching company records for zero trust consulting firms based in the United Kingdom, with 1,217 tracked contacts and 532 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 29, 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 zero trust consulting 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 |  Xalientxalient.comHQ: Leeds, United KingdomReported employees: 201-500 | Leeds, United Kingdom | 201-500 | Exact match | 260 contacts → |
“We are a global boutique, specializing exclusively in the convergence of identity-driven security and networking.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Saepio Information Securitysaepio.co.ukHQ: High Wycombe, United KingdomReported employees: 51-200 | High Wycombe, United Kingdom | 51-200 | Exact match | 74 contacts → |
“Saepio increase awareness, reduce risk and improve security in a continually evolving threat landscape.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  MDSECmdsec.co.ukHQ: Macclesfield, United KingdomReported employees: 11-50 | Macclesfield, United Kingdom | 11-50 | Exact match | 61 contacts → |
“MDSec are a UK based consultancy with a passion for information security.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Cyberlabcyberlab.co.ukHQ: Alderley Edge, United KingdomReported employees: 51-200 | Alderley Edge, United Kingdom | 51-200 | Exact match | 57 contacts → |
“CyberLab is the UK-leading cyber security consultancy and managed services provider, trusted by over 1,200 enterprise businesses, government departments, and household names to…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Tmc3tmc3.co.ukHQ: Headquarters, United KingdomReported employees: 11-50 | Headquarters, United Kingdom | 11-50 | Exact match | 28 contacts → |
“tmc3 is an award-winning, people-centric consultancy that is transforming cyber security from an overhead into an organisational enabler.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Cyber Security Specialistscybersecurityspecialists.co.ukHQ: Altrincham, United KingdomReported employees: 11-50 | Altrincham, United Kingdom | 11-50 | Exact match | 26 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Gradiangradian.co.ukHQ: Farnborough, United KingdomReported employees: 11-50 | Farnborough, United Kingdom | 11-50 | Exact match | 22 contacts → |
“Gradian offers pre-sales support, bespoke consultancy and managed services to protect your most critical assets from cyber threats.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Chaleitchaleit.comHQ: Cambridge, United KingdomReported employees: 11-50 | Cambridge, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Chaleit is a cyber security management consultancy that aligns business context with real-world capability to solve complex risks.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Zero Pluszero-plus.co.ukHQ: Strand, United KingdomReported employees: 51-200 | Strand, United Kingdom | 51-200 | Exact match | 20 contacts → |
“We are a trusted partner to leading organisations across the government and corporate sectors in the UK.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Razorthorn Securityrazorthorn.comHQ: Tunbridge Wells, United KingdomReported employees: 11-50 | Tunbridge Wells, United Kingdom | 11-50 | Exact match | 19 contacts → |
“Razorthorn Security is a specialist cybersecurity consultancy founded in 2007, with nearly two decades of experience helping organisations protect their data, their systems and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  DEV Null Securitydevnullsecurity.co.ukHQ: Edinburgh, United KingdomReported employees: 11-50 | Edinburgh, United Kingdom | 11-50 | Exact match | 17 contacts → |
“We are a cyber security consultancy that specialises in security solution architecture, engineering, implementation and operational support.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Sinevissinevis.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 17 contacts → |
“We are a leading cybersecurity services organization with more than a decade of proven expertise in consulting, solution implementation and managed services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  David Lynas Consultingdavidlynas.comHQ: Belfast, United KingdomReported employees: 11-50 | Belfast, United Kingdom | 11-50 | Exact match | 16 contacts → |
“Cybersecurity should be integrated cohesively across the enterprise, promoting consistency, scalability, and efficiency.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Protirusprotirus.comHQ: Newcastle Upon Tyne, United KingdomReported employees: 11-50 | Newcastle Upon Tyne, United Kingdom | 11-50 | Exact match | 15 contacts → |
“Protirus is an independent cybersecurity consultancy that helps large organisations protect what matters and move forward with confidence.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Securioussecurious.co.ukHQ: Exeter, United KingdomReported employees: 11-50 | Exeter, United Kingdom | 11-50 | Exact match | 12 contacts → |
“We’re on a mission to make cyber security engaging, accessible and easy.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  2-Sec2-sec.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 11 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Hydrashydrasit.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Hydras is a Digital & Cloud Transformation Consultancy that specialise in Cyber Security.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Cyberhash UKcyberhash.comHQ: Maidenhead, United KingdomReported employees: 1-10 | Maidenhead, United Kingdom | 1-10 | Exact match | 10 contacts → |
“After being frustrated in the way that Cyber Security services were being delivered to organisations, Cyberhash was founded with a fresh approach to Cyber Security - keeping you…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Cyberbase Consultingcyberbase-consulting.comHQ: Weybridge, United KingdomReported employees: 11-50 | Weybridge, United Kingdom | 11-50 | Exact match | 9 contacts → |
“Flexible Talent Solutions: We provide highly skilled cybersecurity professionals to meet your specific needs, whether for long-term strategic projects or short-term, critical…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Stratia Cyberstratiacyber.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 8 contacts → |
“Stratia Cyber is an independent, technology agnostic company providing high quality, pragmatic cyber security consultancy and expertise, is a founder member of the NCSC Certified…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Kloudwerkkloudwerk.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 7 contacts → |
“Kloudwerk offers a game-changing approach to cyber security consulting for SMEs.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Kelltron Consulting Serviceskelltron.comHQ: Aylesbury, United KingdomReported employees: 11-50 | Aylesbury, United Kingdom | 11-50 | Exact match | 7 contacts → |
“Kelltron Consulting Services is a globally recognized cybersecurity consulting firm with a strong presence in the United Kingdom, United States, and India.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | bee.netbee-net.co.uk HQ: Windsor, United KingdomReported employees: 1-10 | Windsor, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Be more cyber secure through better risk management.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | FALXfalx.co HQ: York, United KingdomReported employees: 1-10 | York, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Falx is a consultancy based in England, delivering both technology and cyber security advisory services to organisations worldwide.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Everity LTDeverity.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Information Security Consultancy, MSSP” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 196 company matches
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Zero trust consulting firms: dataset insights
September 29, 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
196 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 196 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 29, 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 ↗
Zero trust consulting firms by metro
Questions about this company list
What does Exact match mean for zero trust consulting 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 zero trust consulting firms did RevenueBase find based in the United Kingdom?
The saved snapshot records 196 matching company records, 1,217 tracked contacts and 532 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 29, 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
Zero trust consulting firms by geography
- Zero trust consulting firms based in Melbourne, Australia
- Zero trust consulting firms based in Sao Paulo, Brazil
- Zero trust consulting firms based in Toronto, Canada
- Zero trust consulting firms based in Paris, France
- Zero trust consulting firms based in London, United Kingdom
- Zero trust consulting firms based in Australia
- Zero trust consulting firms based in Belgium
- Zero trust consulting firms based in Brazil
- Zero trust consulting firms based in Canada
- Zero trust consulting firms based in Chile
- Zero trust consulting firms based in France
- Zero trust consulting firms based in Germany
Cite this list
RevenueBase Data Team. Top 25 zero trust consulting firms based in the United Kingdom. Snapshot: September 29, 2026. https://revenuebase.ai/companies/zero-trust-consulting-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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Zero trust consulting firms based in Melbourne, Australia
- Zero trust consulting firms based in Sao Paulo, Brazil
- Zero trust consulting firms based in Toronto, Canada
- Zero trust consulting firms based in Paris, France
- Zero trust consulting firms based in London, United Kingdom
- Zero trust consulting firms based in Australia
Company intelligence · public preview
Top 25 zero trust consulting firms based in the United Kingdom
RevenueBase records 196 matching company records for zero trust consulting firms based in the United Kingdom, with 1,217 tracked contacts and 532 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 29, 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 zero trust consulting 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 | Xalientxalient.com HQ: Leeds, United KingdomReported employees: 201-500 | Leeds, United Kingdom | 201-500 | Exact match | 260 contacts → |
“We are a global boutique, specializing exclusively in the convergence of identity-driven security and networking.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Saepio Information Securitysaepio.co.uk HQ: High Wycombe, United KingdomReported employees: 51-200 | High Wycombe, United Kingdom | 51-200 | Exact match | 74 contacts → |
“Saepio increase awareness, reduce risk and improve security in a continually evolving threat landscape.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | MDSECmdsec.co.uk HQ: Macclesfield, United KingdomReported employees: 11-50 | Macclesfield, United Kingdom | 11-50 | Exact match | 61 contacts → |
“MDSec are a UK based consultancy with a passion for information security.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Cyberlabcyberlab.co.uk HQ: Alderley Edge, United KingdomReported employees: 51-200 | Alderley Edge, United Kingdom | 51-200 | Exact match | 57 contacts → |
“CyberLab is the UK-leading cyber security consultancy and managed services provider, trusted by over 1,200 enterprise businesses, government departments, and household names to…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Tmc3tmc3.co.uk HQ: Headquarters, United KingdomReported employees: 11-50 | Headquarters, United Kingdom | 11-50 | Exact match | 28 contacts → |
“tmc3 is an award-winning, people-centric consultancy that is transforming cyber security from an overhead into an organisational enabler.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Cyber Security Specialistscybersecurityspecialists.co.uk HQ: Altrincham, United KingdomReported employees: 11-50 | Altrincham, United Kingdom | 11-50 | Exact match | 26 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Gradiangradian.co.uk HQ: Farnborough, United KingdomReported employees: 11-50 | Farnborough, United Kingdom | 11-50 | Exact match | 22 contacts → |
“Gradian offers pre-sales support, bespoke consultancy and managed services to protect your most critical assets from cyber threats.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Chaleitchaleit.com HQ: Cambridge, United KingdomReported employees: 11-50 | Cambridge, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Chaleit is a cyber security management consultancy that aligns business context with real-world capability to solve complex risks.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Zero Pluszero-plus.co.uk HQ: Strand, United KingdomReported employees: 51-200 | Strand, United Kingdom | 51-200 | Exact match | 20 contacts → |
“We are a trusted partner to leading organisations across the government and corporate sectors in the UK.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Razorthorn Securityrazorthorn.com HQ: Tunbridge Wells, United KingdomReported employees: 11-50 | Tunbridge Wells, United Kingdom | 11-50 | Exact match | 19 contacts → |
“Razorthorn Security is a specialist cybersecurity consultancy founded in 2007, with nearly two decades of experience helping organisations protect their data, their systems and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | DEV Null Securitydevnullsecurity.co.uk HQ: Edinburgh, United KingdomReported employees: 11-50 | Edinburgh, United Kingdom | 11-50 | Exact match | 17 contacts → |
“We are a cyber security consultancy that specialises in security solution architecture, engineering, implementation and operational support.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Sinevissinevis.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 17 contacts → |
“We are a leading cybersecurity services organization with more than a decade of proven expertise in consulting, solution implementation and managed services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | David Lynas Consultingdavidlynas.com HQ: Belfast, United KingdomReported employees: 11-50 | Belfast, United Kingdom | 11-50 | Exact match | 16 contacts → |
“Cybersecurity should be integrated cohesively across the enterprise, promoting consistency, scalability, and efficiency.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Protirusprotirus.com HQ: Newcastle Upon Tyne, United KingdomReported employees: 11-50 | Newcastle Upon Tyne, United Kingdom | 11-50 | Exact match | 15 contacts → |
“Protirus is an independent cybersecurity consultancy that helps large organisations protect what matters and move forward with confidence.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Securioussecurious.co.uk HQ: Exeter, United KingdomReported employees: 11-50 | Exeter, United Kingdom | 11-50 | Exact match | 12 contacts → |
“We’re on a mission to make cyber security engaging, accessible and easy.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | 2-Sec2-sec.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 11 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Hydrashydrasit.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Hydras is a Digital & Cloud Transformation Consultancy that specialise in Cyber Security.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Cyberhash UKcyberhash.com HQ: Maidenhead, United KingdomReported employees: 1-10 | Maidenhead, United Kingdom | 1-10 | Exact match | 10 contacts → |
“After being frustrated in the way that Cyber Security services were being delivered to organisations, Cyberhash was founded with a fresh approach to Cyber Security - keeping you…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Cyberbase Consultingcyberbase-consulting.com HQ: Weybridge, United KingdomReported employees: 11-50 | Weybridge, United Kingdom | 11-50 | Exact match | 9 contacts → |
“Flexible Talent Solutions: We provide highly skilled cybersecurity professionals to meet your specific needs, whether for long-term strategic projects or short-term, critical…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Stratia Cyberstratiacyber.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 8 contacts → |
“Stratia Cyber is an independent, technology agnostic company providing high quality, pragmatic cyber security consultancy and expertise, is a founder member of the NCSC Certified…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Kloudwerkkloudwerk.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 7 contacts → |
“Kloudwerk offers a game-changing approach to cyber security consulting for SMEs.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Kelltron Consulting Serviceskelltron.com HQ: Aylesbury, United KingdomReported employees: 11-50 | Aylesbury, United Kingdom | 11-50 | Exact match | 7 contacts → |
“Kelltron Consulting Services is a globally recognized cybersecurity consulting firm with a strong presence in the United Kingdom, United States, and India.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | bee.netbee-net.co.uk HQ: Windsor, United KingdomReported employees: 1-10 | Windsor, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Be more cyber secure through better risk management.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | FALXfalx.co HQ: York, United KingdomReported employees: 1-10 | York, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Falx is a consultancy based in England, delivering both technology and cyber security advisory services to organisations worldwide.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Everity LTDeverity.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Information Security Consultancy, MSSP” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 196 company matches
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Zero trust consulting firms: dataset insights
September 29, 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
196 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 196 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 29, 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 ↗
Zero trust consulting firms by metro
Questions about this company list
What does Exact match mean for zero trust consulting 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 zero trust consulting firms did RevenueBase find based in the United Kingdom?
The saved snapshot records 196 matching company records, 1,217 tracked contacts and 532 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 29, 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
Zero trust consulting firms by geography
- Zero trust consulting firms based in Melbourne, Australia
- Zero trust consulting firms based in Sao Paulo, Brazil
- Zero trust consulting firms based in Toronto, Canada
- Zero trust consulting firms based in Paris, France
- Zero trust consulting firms based in London, United Kingdom
- Zero trust consulting firms based in Australia
- Zero trust consulting firms based in Belgium
- Zero trust consulting firms based in Brazil
- Zero trust consulting firms based in Canada
- Zero trust consulting firms based in Chile
- Zero trust consulting firms based in France
- Zero trust consulting firms based in Germany
Cite this list
RevenueBase Data Team. Top 25 zero trust consulting firms based in the United Kingdom. Snapshot: September 29, 2026. https://revenuebase.ai/companies/zero-trust-consulting-firms/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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- Zero trust consulting firms based in Melbourne, Australia
- Zero trust consulting firms based in Sao Paulo, Brazil
- Zero trust consulting firms based in Toronto, Canada
- Zero trust consulting firms based in Paris, France
- Zero trust consulting firms based in London, United Kingdom
- Zero trust consulting firms based in Australia