Company lists · Data refreshed September 2026
Top 14 Cybersecurity and physical security firms based in Leeds, United Kingdom
RevenueBase identified 26 company matches for cybersecurity and physical security firms associated with Leeds, United Kingdom as of September 2026 and tracks 434 professional contacts across them, including 252 with verified work emails. Across the United Kingdom, London is the largest hub for this category (710 companies); Leeds has 26.
This list covers company matches for cybersecurity and physical security firms associated with Leeds, United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 14 largest cybersecurity and physical security firms based in Leeds, 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 28, 2026 · View company records in RevenueBase | |||||
| 2 | 31 contacts → | ||||
Exact match “A UK based organisation protecting organisations from cyber attacks with our CREST certified 24x7 UK SOC and offensive security services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 3 | 24 contacts → | ||||
Exact match “Whatever you supply, design, build, manufacture, or grow, its excelling at it that has got your business to where it is today.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 4 | 19 contacts → | ||||
Exact match “Halo I.S is not just another cybersecurity organization based in the UK; we're a testament to evolution and client-centric innovation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 5 | 17 contacts → | ||||
Exact match “BlackDice Cyber helps telcos turn their networks into platforms of trust.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 6 | 14 contacts → | ||||
Exact match “Fresh Mango UK is an IT Support and cybersecurity provider that has been successfully providing computer and IT support services in the United Kingdom for over 25 years.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 7 | 13 contacts → | ||||
Exact match “We specialise in providing customised fire and security for businesses and public sector organisations across the UK.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 8 | 10 contacts → | ||||
Exact match “From cyber security, through to safeguarding and compliance, we provide digital security solutions perfectly designed to suit any requirement.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 9 | 9 contacts → | ||||
Exact match “Since 1969, TI Security has been a leading name in the world of security.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 10 | 4 contacts → | ||||
Exact match “At Cyber Security Partners (CSP) we specialise in the provision of Cyber Security Consultancy, Data Protection and Certification and Compliance services including Risk Assessment…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 11 | 3 contacts → | ||||
Exact match “Helping you do business securely” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 12 | 3 contacts → | ||||
Exact match “Clear Loop Security is a Vulnerability Management Solution vendor and a forward-looking cyber and information security consultancy, focused on the real challenges of protecting…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 13 | 2 contacts → | ||||
Exact match “At Greyhound IT we provide fast & reliable IT Support to let you concentrate on your business while we look after your IT, making technology work for you and not the other way…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 14 | 1 contacts → | ||||
Exact match “GT Data Solutions based in Leeds are data network company, we offer all aspects of data networks from structured cabling to full data centre installations.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “cybersecurity and physical security 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 14 of 26 cybersecurity and physical security firms based in Leeds, United Kingdom
See the full list, filter by size, metro and specialty, and access 252 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Cybersecurity and physical security firms based in Leeds, United Kingdom at a glance
As of Sep 28, 2026Companies by employee count
Email recency for this list is measured across the whole United Kingdom list rather than for Leeds, so it is reported there. Company counts and contact totals on this page are exact for Leeds, over 26 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 Leeds, United Kingdom whose business descriptions match “cybersecurity and physical security 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 252 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Cybersecurity and physical security firms by metro in the United Kingdom
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “cybersecurity and physical security firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many cybersecurity and physical security firms are there based in Leeds, United Kingdom?
RevenueBase identified 26 company matches for cybersecurity and physical security firms associated with Leeds, 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 in the United Kingdom has the most cybersecurity and physical security firms?
London leads the United Kingdom with 710 company records, followed by Manchester (74) and Birmingham (44). Leeds has 26.
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 252 professional contacts with verified work emails tracked across these 26 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.
Ready to reach these companies? Verified emails and direct dials for all 26 cybersecurity and physical security firms based in Leeds, United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
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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.
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Company intelligence · public preview
Top 14 cybersecurity and physical security firms based in Leeds, 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 26 matching company records for cybersecurity and physical security firms based in Leeds, United Kingdom, with 434 tracked contacts and 252 verified work emails.
This public preview shows 14 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 28, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 14 cybersecurity and physical security firms based in Leeds, 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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Precursor Securityprecursorsecurity.comHQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 31 contacts → |
“A UK based organisation protecting organisations from cyber attacks with our CREST certified 24x7 UK SOC and offensive security services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Vambrace Cybersecurityvambrace.co.ukHQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 24 contacts → |
“Whatever you supply, design, build, manufacture, or grow, its excelling at it that has got your business to where it is today.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Halo I.Shalo-is.co.ukHQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 19 contacts → |
“Halo I.S is not just another cybersecurity organization based in the UK; we're a testament to evolution and client-centric innovation.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Blackdice Cyberblackdice.aiHQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 17 contacts → |
“BlackDice Cyber helps telcos turn their networks into platforms of trust.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Fresh Mango Technologies UKfreshmango.co.ukHQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Fresh Mango UK is an IT Support and cybersecurity provider that has been successfully providing computer and IT support services in the United Kingdom for over 25 years.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Kelida Solutions Fire & Securitykelidasolutions.co.ukHQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 13 contacts → |
“We specialise in providing customised fire and security for businesses and public sector organisations across the UK.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Xentraxentra.co.ukHQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 10 contacts → |
“From cyber security, through to safeguarding and compliance, we provide digital security solutions perfectly designed to suit any requirement.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  TI Securitytisecurity.co.ukHQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 9 contacts → |
“Since 1969, TI Security has been a leading name in the world of security.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Cyber Security Partnerscsp.partnersHQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 4 contacts → |
“At Cyber Security Partners (CSP) we specialise in the provision of Cyber Security Consultancy, Data Protection and Certification and Compliance services including Risk Assessment…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Cisoselectcisoselect.co.ukHQ: Leeds, United KingdomReported employees: 1-10 | Leeds, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Helping you do business securely” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Clear Loop Securityclearloopsecurity.comHQ: Leeds, United KingdomReported employees: 1-10 | Leeds, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Clear Loop Security is a Vulnerability Management Solution vendor and a forward-looking cyber and information security consultancy, focused on the real challenges of protecting…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Greyhound IT LTDgreyhound-it.co.ukHQ: Leeds, United KingdomReported employees: 1-10 | Leeds, United Kingdom | 1-10 | Exact match | 2 contacts → |
“At Greyhound IT we provide fast & reliable IT Support to let you concentrate on your business while we look after your IT, making technology work for you and not the other way…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  GT Data Solutions LTD Leedsgtdatasolutions.co.ukHQ: Leeds, United KingdomReported employees: 1-10 | Leeds, United Kingdom | 1-10 | Exact match | 1 contacts → |
“GT Data Solutions based in Leeds are data network company, we offer all aspects of data networks from structured cabling to full data centre installations.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 14 of 26 company matches
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Cybersecurity and physical security firms: dataset insights
September 28, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
25 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 across the whole United Kingdom list rather than for Leeds, so it is reported there. Company counts and contact totals on this page are exact for Leeds, over 26 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 28, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Cybersecurity and physical security firms by metro in the United Kingdom
Questions about this company list
What does Exact match mean for cybersecurity and physical security 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 cybersecurity and physical security firms did RevenueBase find based in Leeds, United Kingdom?
The saved snapshot records 26 matching company records, 434 tracked contacts and 252 verified emails. The public preview displays 14 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 28, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cybersecurity and physical security firms by geography
- Cybersecurity and physical security firms based in Buenos Aires, Argentina
- Cybersecurity and physical security firms based in Adelaide, Australia
- Cybersecurity and physical security firms based in Brisbane, Australia
- Cybersecurity and physical security firms based in Canberra, Australia
- Cybersecurity and physical security firms based in Melbourne, Australia
- Cybersecurity and physical security firms based in Perth, Australia
- Cybersecurity and physical security firms based in Sydney, Australia
- Cybersecurity and physical security firms based in Vienna, Austria
- Cybersecurity and physical security firms based in Dhaka, Bangladesh
- Cybersecurity and physical security firms based in Barueri, Brazil
- Cybersecurity and physical security firms based in Belo Horizonte, Brazil
- Cybersecurity and physical security firms based in Brasilia, Brazil
Cite this list
RevenueBase Data Team. Top 14 cybersecurity and physical security firms based in Leeds, United Kingdom. Snapshot: September 28, 2026. https://revenuebase.ai/companies/cybersecurity-and-physical-security-firms/united-kingdom/leeds.
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
- Cybersecurity and physical security firms based in Buenos Aires, Argentina
- Cybersecurity and physical security firms based in Adelaide, Australia
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Company intelligence · public preview
Top 14 cybersecurity and physical security firms based in Leeds, United Kingdom
RevenueBase records 26 matching company records for cybersecurity and physical security firms based in Leeds, United Kingdom, with 434 tracked contacts and 252 verified work emails.
This public preview shows 14 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 28, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 14 cybersecurity and physical security firms based in Leeds, 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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Precursor Securityprecursorsecurity.com HQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 31 contacts → |
“A UK based organisation protecting organisations from cyber attacks with our CREST certified 24x7 UK SOC and offensive security services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Vambrace Cybersecurityvambrace.co.uk HQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 24 contacts → |
“Whatever you supply, design, build, manufacture, or grow, its excelling at it that has got your business to where it is today.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Halo I.Shalo-is.co.uk HQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 19 contacts → |
“Halo I.S is not just another cybersecurity organization based in the UK; we're a testament to evolution and client-centric innovation.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Blackdice Cyberblackdice.ai HQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 17 contacts → |
“BlackDice Cyber helps telcos turn their networks into platforms of trust.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Fresh Mango Technologies UKfreshmango.co.uk HQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Fresh Mango UK is an IT Support and cybersecurity provider that has been successfully providing computer and IT support services in the United Kingdom for over 25 years.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Kelida Solutions Fire & Securitykelidasolutions.co.uk HQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 13 contacts → |
“We specialise in providing customised fire and security for businesses and public sector organisations across the UK.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Xentraxentra.co.uk HQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 10 contacts → |
“From cyber security, through to safeguarding and compliance, we provide digital security solutions perfectly designed to suit any requirement.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | TI Securitytisecurity.co.uk HQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 9 contacts → |
“Since 1969, TI Security has been a leading name in the world of security.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Cyber Security Partnerscsp.partners HQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 4 contacts → |
“At Cyber Security Partners (CSP) we specialise in the provision of Cyber Security Consultancy, Data Protection and Certification and Compliance services including Risk Assessment…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Cisoselectcisoselect.co.uk HQ: Leeds, United KingdomReported employees: 1-10 | Leeds, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Helping you do business securely” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Clear Loop Securityclearloopsecurity.com HQ: Leeds, United KingdomReported employees: 1-10 | Leeds, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Clear Loop Security is a Vulnerability Management Solution vendor and a forward-looking cyber and information security consultancy, focused on the real challenges of protecting…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Greyhound IT LTDgreyhound-it.co.uk HQ: Leeds, United KingdomReported employees: 1-10 | Leeds, United Kingdom | 1-10 | Exact match | 2 contacts → |
“At Greyhound IT we provide fast & reliable IT Support to let you concentrate on your business while we look after your IT, making technology work for you and not the other way…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | GT Data Solutions LTD Leedsgtdatasolutions.co.uk HQ: Leeds, United KingdomReported employees: 1-10 | Leeds, United Kingdom | 1-10 | Exact match | 1 contacts → |
“GT Data Solutions based in Leeds are data network company, we offer all aspects of data networks from structured cabling to full data centre installations.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 14 of 26 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Cybersecurity and physical security firms: dataset insights
September 28, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
25 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 across the whole United Kingdom list rather than for Leeds, so it is reported there. Company counts and contact totals on this page are exact for Leeds, over 26 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 28, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Cybersecurity and physical security firms by metro in the United Kingdom
Questions about this company list
What does Exact match mean for cybersecurity and physical security 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 cybersecurity and physical security firms did RevenueBase find based in Leeds, United Kingdom?
The saved snapshot records 26 matching company records, 434 tracked contacts and 252 verified emails. The public preview displays 14 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 28, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 14 cybersecurity and physical security firms based in Leeds, United Kingdom. Snapshot: September 28, 2026. https://revenuebase.ai/companies/cybersecurity-and-physical-security-firms/united-kingdom/leeds.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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