Company lists · Data refreshed September 2026
Top 25 Data center security services based in the United Kingdom
RevenueBase identified 552 company matches for data center security services associated with the United Kingdom as of September 2026 and tracks 10,971 professional contacts across them, including 1,980 with verified work emails and 667 with mobile numbers. London is the largest hub.
This list covers company matches for data center security 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 September 1, 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 data center security services based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 913 contacts → | ||||
Exact match “CIS Security is an independent security company equipped to help customers to solve the complex challenges in today’s digital, connected and regulated business world.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 2 | 419 contacts → | ||||
Exact match “Unlike traditional security providers, we're redefining what protection means in today's world.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 3 | 304 contacts → | ||||
Exact match “Bridewell is the trusted cyber security partner for organisations operating within Critical National Infrastructure (CNI), as well as companies who want the highest standard of…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 4 | 200 contacts → | ||||
Exact match “OpenView Security Solutions is the UK’S largest privately owned independent security company and provides unique, innovative and technologically excellent solutions to meet…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 5 | 179 contacts → | ||||
Exact match “OFFICIAL ACCOUNT* Datalec Precision Installations provides world-class data centre design, build, and installation services that leverage unique technical expertise, including…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 6 | 160 contacts → | ||||
Exact match “At Cyberfort we are passionate about the cyber security services we deliver for our customers which keeps their people, data, systems and technology infrastructure secure…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 7 | 133 contacts → | ||||
Exact match “The Keyholding Company are a tech-enabled mobile security services company, specialising in alarm response, mobile patrols, locks and unlocks, emergency and temporary guarding…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 8 | 107 contacts → | ||||
Exact match “Protecting People, Property, Assets & Brands.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 9 | 90 contacts → | ||||
Exact match “For a better service and competitive price try K4 Security Services At K4 we offer the following: 1.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 10 | 87 contacts → | ||||
Exact match “Croma Security Solutions Group (CSSG) began in 1970 as a family-run business in Shirley, Southampton, known as County Locksmiths.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 11 | 86 contacts → | ||||
Exact match “CyberGuard Technologies is the security division of Wavenet.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 12 | 81 contacts → | ||||
Exact match “Nationwide Security providing both physical and electrical security services throughout the UK.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 13 | 79 contacts → | ||||
Exact match “Virtual IT are a leading provider of cyber-secure cloud and managed IT services in the UK, entrusted by over 700 businesses and schools as their end-to-end technology partner.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 14 | 77 contacts → | ||||
Exact match “Brightsolid is expert in all things colocation, cloud and cyber security.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 15 | 70 contacts → | ||||
Exact match “Northern Security Ltd is a leading guarding, alarm response and electronic security business operating throughout the North of England and South West Scotland.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 16 | 64 contacts → | ||||
Exact match “City Security Services (CSS) have more than 25 years’ experience within the corporate security, public sector, education and social housing markets delivering manned guarding…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 17 | 62 contacts → | ||||
Exact match “Black Diamond Security - Safeguarding Your World.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 18 | 60 contacts → | ||||
Exact match “In today’s advanced, interconnected world, protecting the infrastructure that allows society to function is crucial.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 19 | 52 contacts → | ||||
Exact match “At Hexegic we are not just passionate about protecting data through our Cyber services we are passionate about helping companies release the potential of the data they hold…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 20 | 52 contacts → | ||||
Exact match “Portal Security is a leading provider of security services dedicated to safeguarding individuals, businesses, and communities.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 21 | 48 contacts → | ||||
Exact match “We are Amthal Group Companies, one of the nation’s trusted commercial life safety and security technology partners for UK businesses.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 22 | 44 contacts → | ||||
Exact match “Design, install and maintain CCTV Systems Intruder Systems Access Control Manned Security Guarding Event Stewarding Construction Cleaning Commercial Cleaning Builders & Sparkle…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 23 | 43 contacts → | ||||
Exact match “All in Black are an accredited security solutions provider with over 20 years’ experience at the highest level across the UK.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 24 | 43 contacts → | ||||
Exact match “AK9 Security and FM Solutions offers comprehensive security solutions for businesses, governmental organizations, and residential areas.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 25 | 39 contacts → | ||||
Exact match “Gratte Brothers is an experienced provider of integrated security solutions, which are Built on Strong Values and ultimately deliver a measurable return on investment.” Recorded in the RevenueBase company graph · Sep 1, 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 “data center security 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 25 of 552 data center security services based in the United Kingdom
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Data center security services based in the United Kingdom at a glance
As of Sep 1, 2026Companies by employee count
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 “data center security 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 1,980 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 1, 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.
Data center security 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 “data center security services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many data center security services are there based in the United Kingdom?
RevenueBase identified 552 company matches for data center security services 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?
CIS Security Limited tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most data center security services?
London leads with 134 company records, followed by Manchester (22) and Birmingham (16).
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 1,980 professional contacts with verified work emails tracked across these 552 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 1, 2026.
Ready to reach these companies? Verified emails and direct dials for all 552 data center security services based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Data center security services by geography
- Data center security services based in the United States
- Data center security services based in Brazil
- Data center security services based in France
- Data center security services based in Germany
- Data center security services based in Canada
- Data center security services based in Australia
- Data center security services based in Spain
- Data center security services based in Italy
- Data center security services based in the Netherlands
- Data center security services based in Mexico
- Data center security services based in South Africa
- Data center security services based in Argentina
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
- Data center security services based in the United States
- Data center security services based in Brazil
- Data center security services based in France
- Data center security services based in Germany
- Data center security services based in Canada
- Data center security services based in Australia
Company intelligence · public preview
Top 25 data center security 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 552 matching company records for data center security services based in the United Kingdom, with 10,971 tracked contacts and 1,980 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 1, 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 data center security 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 |  CIS Security Limitedcis-security.co.ukHQ: HQ not recorded; location: London, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: London, United Kingdom | 1,001-5,000 | Exact match | 913 contacts → |
“CIS Security is an independent security company equipped to help customers to solve the complex challenges in today’s digital, connected and regulated business world.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Lodge Securitylodge-security.comHQ: HQ not recorded; location: Cirencester, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: Cirencester, United Kingdom | 1,001-5,000 | Exact match | 419 contacts → |
“Unlike traditional security providers, we're redefining what protection means in today's world.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Bridewellbridewell.comHQ: HQ not recorded; location: Edinburgh, United KingdomReported employees: 201-500 | HQ not recorded; location: Edinburgh, United Kingdom | 201-500 | Exact match | 304 contacts → |
“Bridewell is the trusted cyber security partner for organisations operating within Critical National Infrastructure (CNI), as well as companies who want the highest standard of…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Openview Security Solutions Limitedopenviewgroup.comHQ: HQ not recorded; location: Romford, United KingdomReported employees: 201-500 | HQ not recorded; location: Romford, United Kingdom | 201-500 | Exact match | 200 contacts → |
“OpenView Security Solutions is the UK’S largest privately owned independent security company and provides unique, innovative and technologically excellent solutions to meet…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Datalec Precision Installations Limiteddatalecltd.com HQ: HQ not recorded; location: Buntingford Herts, United KingdomReported employees: 51-200 | HQ not recorded; location: Buntingford Herts, United Kingdom | 51-200 | Exact match | 179 contacts → |
“OFFICIAL ACCOUNT* Datalec Precision Installations provides world-class data centre design, build, and installation services that leverage unique technical expertise, including…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Cyberfortcyberfortgroup.comHQ: HQ not recorded; location: Thatcham, United KingdomReported employees: 51-200 | HQ not recorded; location: Thatcham, United Kingdom | 51-200 | Exact match | 160 contacts → |
“At Cyberfort we are passionate about the cyber security services we deliver for our customers which keeps their people, data, systems and technology infrastructure secure…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  The Keyholding Companykeyholding.comHQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 133 contacts → |
“The Keyholding Company are a tech-enabled mobile security services company, specialising in alarm response, mobile patrols, locks and unlocks, emergency and temporary guarding…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Consortio Securityconsortiosecurity.comHQ: HQ not recorded; location: Castle Donington, United KingdomReported employees: 501-1,000 | HQ not recorded; location: Castle Donington, United Kingdom | 501-1,000 | Exact match | 107 contacts → |
“Protecting People, Property, Assets & Brands.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  K4 Security - K4 Groupk4security.co.ukHQ: HQ not recorded; location: Manchester, United KingdomReported employees: 201-500 | HQ not recorded; location: Manchester, United Kingdom | 201-500 | Exact match | 90 contacts → |
“For a better service and competitive price try K4 Security Services At K4 we offer the following: 1.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Croma Security Solutions Group PLC Cssgcssgplc.comHQ: HQ not recorded; location: Basingstoke Hamsphire, United KingdomReported employees: 501-1,000 | HQ not recorded; location: Basingstoke Hamsphire, United Kingdom | 501-1,000 | Exact match | 87 contacts → |
“Croma Security Solutions Group (CSSG) began in 1970 as a family-run business in Shirley, Southampton, known as County Locksmiths.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Wavenet Cyberguardwavenetuk.comHQ: HQ not recorded; location: London, United KingdomReported employees: 201-500 | HQ not recorded; location: London, United Kingdom | 201-500 | Exact match | 86 contacts → |
“CyberGuard Technologies is the security division of Wavenet.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Nationwide Securitynsl247.comHQ: HQ not recorded; location: Albans, United KingdomReported employees: 51-200 | HQ not recorded; location: Albans, United Kingdom | 51-200 | Exact match | 81 contacts → |
“Nationwide Security providing both physical and electrical security services throughout the UK.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Virtual IT LTDvirtualit.cloudHQ: HQ not recorded; location: Laindon, United KingdomReported employees: 51-200 | HQ not recorded; location: Laindon, United Kingdom | 51-200 | Exact match | 79 contacts → |
“Virtual IT are a leading provider of cyber-secure cloud and managed IT services in the UK, entrusted by over 700 businesses and schools as their end-to-end technology partner.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Brightsolidbrightsolid.comHQ: HQ not recorded; location: Dundee, United KingdomReported employees: 51-200 | HQ not recorded; location: Dundee, United Kingdom | 51-200 | Exact match | 77 contacts → |
“Brightsolid is expert in all things colocation, cloud and cyber security.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Northern Security LTDnorthernsecurityltd.co.ukHQ: HQ not recorded; location: Middlesbrough, United KingdomReported employees: 201-500 | HQ not recorded; location: Middlesbrough, United Kingdom | 201-500 | Exact match | 70 contacts → |
“Northern Security Ltd is a leading guarding, alarm response and electronic security business operating throughout the North of England and South West Scotland.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  City Security Services Part Of City Group Securitycitysecurity.org.ukHQ: HQ not recorded; location: London, United KingdomReported employees: 201-500 | HQ not recorded; location: London, United Kingdom | 201-500 | Exact match | 64 contacts → |
“City Security Services (CSS) have more than 25 years’ experience within the corporate security, public sector, education and social housing markets delivering manned guarding…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Black Diamond Securityblackdiamondsecurity.co.ukHQ: HQ not recorded; location: London, United KingdomReported employees: 201-500 | HQ not recorded; location: London, United Kingdom | 201-500 | Exact match | 62 contacts → |
“Black Diamond Security - Safeguarding Your World.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | SQR Group Security Solutions LTDsqrgroup.com HQ: HQ not recorded; location: Barnet, United KingdomReported employees: 501-1,000 | HQ not recorded; location: Barnet, United Kingdom | 501-1,000 | Exact match | 60 contacts → |
“In today’s advanced, interconnected world, protecting the infrastructure that allows society to function is crucial.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Hexegichexegic.comHQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 52 contacts → |
“At Hexegic we are not just passionate about protecting data through our Cyber services we are passionate about helping companies release the potential of the data they hold…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Portal Securityportalsecurity.co.ukHQ: HQ not recorded; location: Glasgow, United KingdomReported employees: 201-500 | HQ not recorded; location: Glasgow, United Kingdom | 201-500 | Exact match | 52 contacts → |
“Portal Security is a leading provider of security services dedicated to safeguarding individuals, businesses, and communities.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Amthal Group Companiesamthal.co.ukHQ: HQ not recorded; location: St Albans, United KingdomReported employees: 51-200 | HQ not recorded; location: St Albans, United Kingdom | 51-200 | Exact match | 48 contacts → |
“We are Amthal Group Companies, one of the nation’s trusted commercial life safety and security technology partners for UK businesses.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Phoenix FMSphoenix-eye.co.ukHQ: HQ not recorded; location: Newcastle Upon Tyne, United KingdomReported employees: 201-500 | HQ not recorded; location: Newcastle Upon Tyne, United Kingdom | 201-500 | Exact match | 44 contacts → |
“Design, install and maintain CCTV Systems Intruder Systems Access Control Manned Security Guarding Event Stewarding Construction Cleaning Commercial Cleaning Builders & Sparkle…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  AIB Groupaib-group.co.ukHQ: HQ not recorded; location: Park Bletchley, United KingdomReported employees: 201-500 | HQ not recorded; location: Park Bletchley, United Kingdom | 201-500 | Exact match | 43 contacts → |
“All in Black are an accredited security solutions provider with over 20 years’ experience at the highest level across the UK.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Ak9 Security And FM Solutions LTDak9security.comHQ: HQ not recorded; location: London, United KingdomReported employees: 501-1,000 | HQ not recorded; location: London, United Kingdom | 501-1,000 | Exact match | 43 contacts → |
“AK9 Security and FM Solutions offers comprehensive security solutions for businesses, governmental organizations, and residential areas.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 39 contacts → |
“Gratte Brothers is an experienced provider of integrated security solutions, which are Built on Strong Values and ultimately deliver a measurable return on investment.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 552 company matches
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Data center security services: dataset insights
September 1, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
541 records in the displayed employee bands.
11 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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 1, 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 ↗
Data center security services by metro
Questions about this company list
What does Exact match mean for data center security 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 data center security services did RevenueBase find based in the United Kingdom?
The saved snapshot records 552 matching company records, 10,971 tracked contacts and 1,980 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 1, 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
Data center security services by geography
- Data center security services based in the United States
- Data center security services based in Brazil
- Data center security services based in France
- Data center security services based in Germany
- Data center security services based in Canada
- Data center security services based in Australia
- Data center security services based in Spain
- Data center security services based in Italy
- Data center security services based in the Netherlands
- Data center security services based in Mexico
- Data center security services based in South Africa
- Data center security services based in Argentina
Cite this list
RevenueBase Data Team. Top 25 data center security services based in the United Kingdom. Snapshot: September 1, 2026. https://revenuebase.ai/companies/data-center-security-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
- Data center security services based in the United States
- Data center security services based in Brazil
- Data center security services based in France
- Data center security services based in Germany
- Data center security services based in Canada
- Data center security services based in Australia
Company intelligence · public preview
Top 25 data center security services based in the United Kingdom
RevenueBase records 552 matching company records for data center security services based in the United Kingdom, with 10,971 tracked contacts and 1,980 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 1, 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 data center security 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 | CIS Security Limitedcis-security.co.uk HQ: HQ not recorded; location: London, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: London, United Kingdom | 1,001-5,000 | Exact match | 913 contacts → |
“CIS Security is an independent security company equipped to help customers to solve the complex challenges in today’s digital, connected and regulated business world.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Lodge Securitylodge-security.com HQ: HQ not recorded; location: Cirencester, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: Cirencester, United Kingdom | 1,001-5,000 | Exact match | 419 contacts → |
“Unlike traditional security providers, we're redefining what protection means in today's world.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Bridewellbridewell.com HQ: HQ not recorded; location: Edinburgh, United KingdomReported employees: 201-500 | HQ not recorded; location: Edinburgh, United Kingdom | 201-500 | Exact match | 304 contacts → |
“Bridewell is the trusted cyber security partner for organisations operating within Critical National Infrastructure (CNI), as well as companies who want the highest standard of…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Openview Security Solutions Limitedopenviewgroup.com HQ: HQ not recorded; location: Romford, United KingdomReported employees: 201-500 | HQ not recorded; location: Romford, United Kingdom | 201-500 | Exact match | 200 contacts → |
“OpenView Security Solutions is the UK’S largest privately owned independent security company and provides unique, innovative and technologically excellent solutions to meet…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Datalec Precision Installations Limiteddatalecltd.com HQ: HQ not recorded; location: Buntingford Herts, United KingdomReported employees: 51-200 | HQ not recorded; location: Buntingford Herts, United Kingdom | 51-200 | Exact match | 179 contacts → |
“OFFICIAL ACCOUNT* Datalec Precision Installations provides world-class data centre design, build, and installation services that leverage unique technical expertise, including…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Cyberfortcyberfortgroup.com HQ: HQ not recorded; location: Thatcham, United KingdomReported employees: 51-200 | HQ not recorded; location: Thatcham, United Kingdom | 51-200 | Exact match | 160 contacts → |
“At Cyberfort we are passionate about the cyber security services we deliver for our customers which keeps their people, data, systems and technology infrastructure secure…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | The Keyholding Companykeyholding.com HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 133 contacts → |
“The Keyholding Company are a tech-enabled mobile security services company, specialising in alarm response, mobile patrols, locks and unlocks, emergency and temporary guarding…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Consortio Securityconsortiosecurity.com HQ: HQ not recorded; location: Castle Donington, United KingdomReported employees: 501-1,000 | HQ not recorded; location: Castle Donington, United Kingdom | 501-1,000 | Exact match | 107 contacts → |
“Protecting People, Property, Assets & Brands.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | K4 Security - K4 Groupk4security.co.uk HQ: HQ not recorded; location: Manchester, United KingdomReported employees: 201-500 | HQ not recorded; location: Manchester, United Kingdom | 201-500 | Exact match | 90 contacts → |
“For a better service and competitive price try K4 Security Services At K4 we offer the following: 1.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Croma Security Solutions Group PLC Cssgcssgplc.com HQ: HQ not recorded; location: Basingstoke Hamsphire, United KingdomReported employees: 501-1,000 | HQ not recorded; location: Basingstoke Hamsphire, United Kingdom | 501-1,000 | Exact match | 87 contacts → |
“Croma Security Solutions Group (CSSG) began in 1970 as a family-run business in Shirley, Southampton, known as County Locksmiths.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Wavenet Cyberguardwavenetuk.com HQ: HQ not recorded; location: London, United KingdomReported employees: 201-500 | HQ not recorded; location: London, United Kingdom | 201-500 | Exact match | 86 contacts → |
“CyberGuard Technologies is the security division of Wavenet.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Nationwide Securitynsl247.com HQ: HQ not recorded; location: Albans, United KingdomReported employees: 51-200 | HQ not recorded; location: Albans, United Kingdom | 51-200 | Exact match | 81 contacts → |
“Nationwide Security providing both physical and electrical security services throughout the UK.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Virtual IT LTDvirtualit.cloud HQ: HQ not recorded; location: Laindon, United KingdomReported employees: 51-200 | HQ not recorded; location: Laindon, United Kingdom | 51-200 | Exact match | 79 contacts → |
“Virtual IT are a leading provider of cyber-secure cloud and managed IT services in the UK, entrusted by over 700 businesses and schools as their end-to-end technology partner.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Brightsolidbrightsolid.com HQ: HQ not recorded; location: Dundee, United KingdomReported employees: 51-200 | HQ not recorded; location: Dundee, United Kingdom | 51-200 | Exact match | 77 contacts → |
“Brightsolid is expert in all things colocation, cloud and cyber security.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Northern Security LTDnorthernsecurityltd.co.uk HQ: HQ not recorded; location: Middlesbrough, United KingdomReported employees: 201-500 | HQ not recorded; location: Middlesbrough, United Kingdom | 201-500 | Exact match | 70 contacts → |
“Northern Security Ltd is a leading guarding, alarm response and electronic security business operating throughout the North of England and South West Scotland.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | City Security Services Part Of City Group Securitycitysecurity.org.uk HQ: HQ not recorded; location: London, United KingdomReported employees: 201-500 | HQ not recorded; location: London, United Kingdom | 201-500 | Exact match | 64 contacts → |
“City Security Services (CSS) have more than 25 years’ experience within the corporate security, public sector, education and social housing markets delivering manned guarding…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Black Diamond Securityblackdiamondsecurity.co.uk HQ: HQ not recorded; location: London, United KingdomReported employees: 201-500 | HQ not recorded; location: London, United Kingdom | 201-500 | Exact match | 62 contacts → |
“Black Diamond Security - Safeguarding Your World.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | SQR Group Security Solutions LTDsqrgroup.com HQ: HQ not recorded; location: Barnet, United KingdomReported employees: 501-1,000 | HQ not recorded; location: Barnet, United Kingdom | 501-1,000 | Exact match | 60 contacts → |
“In today’s advanced, interconnected world, protecting the infrastructure that allows society to function is crucial.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Hexegichexegic.com HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 52 contacts → |
“At Hexegic we are not just passionate about protecting data through our Cyber services we are passionate about helping companies release the potential of the data they hold…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Portal Securityportalsecurity.co.uk HQ: HQ not recorded; location: Glasgow, United KingdomReported employees: 201-500 | HQ not recorded; location: Glasgow, United Kingdom | 201-500 | Exact match | 52 contacts → |
“Portal Security is a leading provider of security services dedicated to safeguarding individuals, businesses, and communities.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Amthal Group Companiesamthal.co.uk HQ: HQ not recorded; location: St Albans, United KingdomReported employees: 51-200 | HQ not recorded; location: St Albans, United Kingdom | 51-200 | Exact match | 48 contacts → |
“We are Amthal Group Companies, one of the nation’s trusted commercial life safety and security technology partners for UK businesses.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Phoenix FMSphoenix-eye.co.uk HQ: HQ not recorded; location: Newcastle Upon Tyne, United KingdomReported employees: 201-500 | HQ not recorded; location: Newcastle Upon Tyne, United Kingdom | 201-500 | Exact match | 44 contacts → |
“Design, install and maintain CCTV Systems Intruder Systems Access Control Manned Security Guarding Event Stewarding Construction Cleaning Commercial Cleaning Builders & Sparkle…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | AIB Groupaib-group.co.uk HQ: HQ not recorded; location: Park Bletchley, United KingdomReported employees: 201-500 | HQ not recorded; location: Park Bletchley, United Kingdom | 201-500 | Exact match | 43 contacts → |
“All in Black are an accredited security solutions provider with over 20 years’ experience at the highest level across the UK.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Ak9 Security And FM Solutions LTDak9security.com HQ: HQ not recorded; location: London, United KingdomReported employees: 501-1,000 | HQ not recorded; location: London, United Kingdom | 501-1,000 | Exact match | 43 contacts → |
“AK9 Security and FM Solutions offers comprehensive security solutions for businesses, governmental organizations, and residential areas.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 39 contacts → |
“Gratte Brothers is an experienced provider of integrated security solutions, which are Built on Strong Values and ultimately deliver a measurable return on investment.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Data center security services: dataset insights
September 1, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
541 records in the displayed employee bands.
11 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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 1, 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 ↗
Data center security services by metro
Questions about this company list
What does Exact match mean for data center security 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 data center security services did RevenueBase find based in the United Kingdom?
The saved snapshot records 552 matching company records, 10,971 tracked contacts and 1,980 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 1, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 data center security services based in the United Kingdom. Snapshot: September 1, 2026. https://revenuebase.ai/companies/data-center-security-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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