Company lists · Data refreshed September 2026
Top 25 Communications security contractors based in the United Kingdom
RevenueBase identified 89 company matches for communications security contractors associated with the United Kingdom as of September 2026 and tracks 805 professional contacts across them, including 266 with verified work emails. London is the largest hub.
This list covers company matches for communications security contractors 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 27, 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 communications security contractors based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 85 contacts → | ||||
Exact match “Amethyst Risk Management is a leading cybersecurity consultancy supplying expert services and support to the UK Government, Defence, Operators of Essential Services, and the…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 2 | 62 contacts → | ||||
Exact match “Talk Straight has been looking after the communications and network security for thousands of public and private sector organisations since 2007.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 3 | 60 contacts → | ||||
Exact match “We provide deep expertise with technical and business specialists to help clients secure and protect the UK.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 4 | 49 contacts → | ||||
Exact match “Electranet’s mission is to be a preferred partner to the public and private sectors, bringing competitively priced, secure and innovative solutions to the market.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 5 | 33 contacts → | ||||
Exact match “With over three decades of experience in the communications and technology sector, Commercis has established itself as a trusted leader in delivering global connectivity…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 6 | 31 contacts → | ||||
Exact match “Bates Group is an affiliate page of Serbus.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 7 | 29 contacts → | ||||
Exact match “4MS specialise in networking, cyber-security and telecoms technical services.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 8 | 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 27, 2026 · View company records in RevenueBase | |||||
| 9 | 23 contacts → | ||||
Exact match “Coral Communications is an industry leading, Link-Up accredited and NICEIC Approved Contractor and Telecommunications Service Provider.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 10 | 20 contacts → | ||||
Exact match “LMS Security are a fully Independent, privately owned, Internationally recognised and accredited Security Consultancy; owned and built by Electronic and Physical Security…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 11 | 20 contacts → | ||||
Exact match “Our purpose: We foster a forward-thinking, multi-disciplinary organisation that continues to attract talented people and collaborates with like-minded organisations to make a…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 12 | 20 contacts → | ||||
Exact match “Optech is a trusted partner to a number of long term customers and thrives on developing new relationships predominantly within the north of England and Scotland.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 13 | 18 contacts → | ||||
Exact match “Salt is a secure communications system that provides the best armour organisations have to protect their trade secrets and other sensitive, strategic and proprietary information…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 14 | 15 contacts → | ||||
Exact match “CompTech Solutions Ltd brings together a team of seasoned professionals with a proven track record in delivering innovative solutions for complex defence challenges.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 15 | 13 contacts → | ||||
Exact match “G6 are industry leaders in the provision of radio and satellite voice and data communication solutions.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 16 | 12 contacts → | ||||
Exact match “Consultive Solutions Limited are a Security & Communications Consultancy and Project Delivery company, with in-depth industry knowledge and extensive experience in physical and…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 17 | 7 contacts → | ||||
Exact match “We are a global telecommunications carrier, delivering specialised telecommunication services to government agencies and commercial entities.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 18 | 6 contacts → | ||||
Exact match “Since 2010, Bespoke Telecoms have been providing some of the of the finest business and residential properties in the Country with the fastest possible internet services…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 19 | 5 contacts → | ||||
Exact match “6S Global have over 25 years’ accredited experience in the Security, Business and Data Intelligence Industry.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 20 | 4 contacts → | ||||
Exact match “KRONOS THREAT MANAGEMENT LIMITED is a company based out of ARKAS HOUSE HEADCORN RD, Maidstone, United Kingdom.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 21 | 3 contacts → | ||||
Exact match “Gateway of Technology is an experienced and certified communications business with an unrivalled knowledge of installations and systems.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 22 | 2 contacts → | ||||
Exact match “BRIM is one of the most highly respected management consulting specialists for the security sector.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 23 | 2 contacts → | ||||
Exact match “Essential Security is a unique company in that we offer a specialised and confidential service meeting your bespoke technological and communications requirements.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 24 | 2 contacts → | ||||
Exact match “Cobalt Consultancy provides security, risk management and training services to individuals, organisations and government depts.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 25 | 1 contacts → | ||||
Exact match “With extensive experience in the industry, we have spent years building the right team of industry leading experts in fields such as Technical Surveillance Counter Measures…” Recorded in the RevenueBase company graph · Sep 27, 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 “communications security contractors”. 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 89 communications security contractors based in the United Kingdom
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Communications security contractors based in the United Kingdom at a glance
As of Sep 27, 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 89 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 “communications security contractors” 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 266 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 27, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “communications security contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many communications security contractors are there based in the United Kingdom?
RevenueBase identified 89 company matches for communications security contractors 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?
Amethyst Risk Management tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most communications security contractors?
London leads with 23 company records, followed by Basingstoke (4) and Swindon (3).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 266 professional contacts with verified work emails tracked across these 89 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 27, 2026.
Ready to reach these companies? Verified emails and direct dials for all 89 communications security contractors based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Communications security contractors by geography
- Communications security contractors based in Australia
- Communications security contractors based in Brazil
- Communications security contractors based in Canada
- Communications security contractors based in France
- Communications security contractors based in Germany
- Communications security contractors based in Mexico
- Communications security contractors based in Spain
- Communications security contractors based in the United States
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
- Communications security contractors based in Australia
- Communications security contractors based in Brazil
- Communications security contractors based in Canada
- Communications security contractors based in France
- Communications security contractors based in Germany
- Communications security contractors based in Mexico
Company intelligence · public preview
Top 25 communications security contractors 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 89 matching company records for communications security contractors based in the United Kingdom, with 805 tracked contacts and 266 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 27, 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 communications security contractors 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 |  Amethyst Risk Managementamethystrisk.comHQ: Basingstoke, United KingdomReported employees: 11-50 | Basingstoke, United Kingdom | 11-50 | Exact match | 85 contacts → |
“Amethyst Risk Management is a leading cybersecurity consultancy supplying expert services and support to the UK Government, Defence, Operators of Essential Services, and the…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Talk Straight Grouptalk-straight.comHQ: Ilkley, United KingdomReported employees: 11-50 | Ilkley, United Kingdom | 11-50 | Exact match | 62 contacts → |
“Talk Straight has been looking after the communications and network security for thousands of public and private sector organisations since 2007.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Dainttadaintta.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 60 contacts → |
“We provide deep expertise with technical and business specialists to help clients secure and protect the UK.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Electranet UK Limitedelectranetuk.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 49 contacts → |
“Electranet’s mission is to be a preferred partner to the public and private sectors, bringing competitively priced, secure and innovative solutions to the market.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Commerciscommercis.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 33 contacts → |
“With over three decades of experience in the communications and technology sector, Commercis has established itself as a trusted leader in delivering global connectivity…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Bates Groupserbussecure.com HQ: Rayne, United KingdomReported employees: 51-200 | Rayne, United Kingdom | 51-200 | Exact match | 31 contacts → |
“Bates Group is an affiliate page of Serbus.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  4ms Network Solutions4ms.co.ukHQ: Aberdeen, United KingdomReported employees: 51-200 | Aberdeen, United Kingdom | 51-200 | Exact match | 29 contacts → |
“4MS specialise in networking, cyber-security and telecoms technical services.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Coral Communications LTDcoralcomms.comHQ: Essex, United KingdomReported employees: 51-200 | Essex, United Kingdom | 51-200 | Exact match | 23 contacts → |
“Coral Communications is an industry leading, Link-Up accredited and NICEIC Approved Contractor and Telecommunications Service Provider.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | LMS Securitylmssecurity.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 20 contacts → |
“LMS Security are a fully Independent, privately owned, Internationally recognised and accredited Security Consultancy; owned and built by Electronic and Physical Security…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Itsus Consultingitsusconsulting.comHQ: Cardiff, United KingdomReported employees: 11-50 | Cardiff, United Kingdom | 11-50 | Exact match | 20 contacts → |
“Our purpose: We foster a forward-thinking, multi-disciplinary organisation that continues to attract talented people and collaborates with like-minded organisations to make a…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Optech Fibres LTDoptechfibres.co.uk HQ: Barrow In Furness, United KingdomReported employees: 51-200 | Barrow In Furness, United Kingdom | 51-200 | Exact match | 20 contacts → |
“Optech is a trusted partner to a number of long term customers and thrives on developing new relationships predominantly within the north of England and Scotland.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Salt Communicationssaltcommunications.comHQ: Belfast, United KingdomReported employees: 11-50 | Belfast, United Kingdom | 11-50 | Exact match | 18 contacts → |
“Salt is a secure communications system that provides the best armour organisations have to protect their trade secrets and other sensitive, strategic and proprietary information…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Comptech Solutionscomptechsolutions.co.uk HQ: Basingstoke, United KingdomReported employees: 11-50 | Basingstoke, United Kingdom | 11-50 | Exact match | 15 contacts → |
“CompTech Solutions Ltd brings together a team of seasoned professionals with a proven track record in delivering innovative solutions for complex defence challenges.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  G6 Globalg6-global.comHQ: Bristol, United KingdomReported employees: 1-10 | Bristol, United Kingdom | 1-10 | Exact match | 13 contacts → |
“G6 are industry leaders in the provision of radio and satellite voice and data communication solutions.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Consultive Solutions Limitedconsultivesolutions.co.uk HQ: Co.durham, United KingdomReported employees: 1-10 | Co.durham, United Kingdom | 1-10 | Exact match | 12 contacts → |
“Consultive Solutions Limited are a Security & Communications Consultancy and Project Delivery company, with in-depth industry knowledge and extensive experience in physical and…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  GOS Systemsgos-systems.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 7 contacts → |
“We are a global telecommunications carrier, delivering specialised telecommunication services to government agencies and commercial entities.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Bespoke Telecoms & Cctvbespoketelecoms.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Since 2010, Bespoke Telecoms have been providing some of the of the finest business and residential properties in the Country with the fastest possible internet services…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  6s Global Limited6sglobal.co.ukHQ: Dartford, United KingdomReported employees: 1-10 | Dartford, United Kingdom | 1-10 | Exact match | 5 contacts → |
“6S Global have over 25 years’ accredited experience in the Security, Business and Data Intelligence Industry.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Kronos Threat Management Limitedkronosthreatmanagement.comHQ: Maidstone, United KingdomReported employees: 11-50 | Maidstone, United Kingdom | 11-50 | Exact match | 4 contacts → |
“KRONOS THREAT MANAGEMENT LIMITED is a company based out of ARKAS HOUSE HEADCORN RD, Maidstone, United Kingdom.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Gateway Of Technologygotltd.co.uk HQ: Lincoln, United KingdomReported employees: 1-10 | Lincoln, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Gateway of Technology is an experienced and certified communications business with an unrivalled knowledge of installations and systems.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Brim Partnersbrim.partnersHQ: Edinburgh, United KingdomReported employees: 1-10 | Edinburgh, United Kingdom | 1-10 | Exact match | 2 contacts → |
“BRIM is one of the most highly respected management consulting specialists for the security sector.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Essential Security UK LTDessentialsecurity.infoHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Essential Security is a unique company in that we offer a specialised and confidential service meeting your bespoke technological and communications requirements.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Cobalt Consultancy LTDcobaltconsultancy.com HQ: Bristol, United KingdomReported employees: 1-10 | Bristol, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Cobalt Consultancy provides security, risk management and training services to individuals, organisations and government depts.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Marks Consultmarksconsult.co.ukHQ: Central London, United KingdomReported employees: 1-10 | Central London, United Kingdom | 1-10 | Exact match | 1 contacts → |
“With extensive experience in the industry, we have spent years building the right team of industry leading experts in fields such as Technical Surveillance Counter Measures…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 89 company matches
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Communications security contractors: dataset insights
September 27, 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
88 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 89 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 27, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for communications security contractors?
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 communications security contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 89 matching company records, 805 tracked contacts and 266 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 27, 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
Communications security contractors by geography
- Communications security contractors based in Australia
- Communications security contractors based in Brazil
- Communications security contractors based in Canada
- Communications security contractors based in France
- Communications security contractors based in Germany
- Communications security contractors based in Mexico
- Communications security contractors based in Spain
- Communications security contractors based in the United States
Cite this list
RevenueBase Data Team. Top 25 communications security contractors based in the United Kingdom. Snapshot: September 27, 2026. https://revenuebase.ai/companies/communications-security-contractors/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
- Communications security contractors based in Australia
- Communications security contractors based in Brazil
- Communications security contractors based in Canada
- Communications security contractors based in France
- Communications security contractors based in Germany
- Communications security contractors based in Mexico
Company intelligence · public preview
Top 25 communications security contractors based in the United Kingdom
RevenueBase records 89 matching company records for communications security contractors based in the United Kingdom, with 805 tracked contacts and 266 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 27, 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 communications security contractors 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 | Amethyst Risk Managementamethystrisk.com HQ: Basingstoke, United KingdomReported employees: 11-50 | Basingstoke, United Kingdom | 11-50 | Exact match | 85 contacts → |
“Amethyst Risk Management is a leading cybersecurity consultancy supplying expert services and support to the UK Government, Defence, Operators of Essential Services, and the…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Talk Straight Grouptalk-straight.com HQ: Ilkley, United KingdomReported employees: 11-50 | Ilkley, United Kingdom | 11-50 | Exact match | 62 contacts → |
“Talk Straight has been looking after the communications and network security for thousands of public and private sector organisations since 2007.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Dainttadaintta.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 60 contacts → |
“We provide deep expertise with technical and business specialists to help clients secure and protect the UK.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Electranet UK Limitedelectranetuk.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 49 contacts → |
“Electranet’s mission is to be a preferred partner to the public and private sectors, bringing competitively priced, secure and innovative solutions to the market.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Commerciscommercis.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 33 contacts → |
“With over three decades of experience in the communications and technology sector, Commercis has established itself as a trusted leader in delivering global connectivity…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Bates Groupserbussecure.com HQ: Rayne, United KingdomReported employees: 51-200 | Rayne, United Kingdom | 51-200 | Exact match | 31 contacts → |
“Bates Group is an affiliate page of Serbus.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 4ms Network Solutions4ms.co.uk HQ: Aberdeen, United KingdomReported employees: 51-200 | Aberdeen, United Kingdom | 51-200 | Exact match | 29 contacts → |
“4MS specialise in networking, cyber-security and telecoms technical services.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Coral Communications LTDcoralcomms.com HQ: Essex, United KingdomReported employees: 51-200 | Essex, United Kingdom | 51-200 | Exact match | 23 contacts → |
“Coral Communications is an industry leading, Link-Up accredited and NICEIC Approved Contractor and Telecommunications Service Provider.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | LMS Securitylmssecurity.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 20 contacts → |
“LMS Security are a fully Independent, privately owned, Internationally recognised and accredited Security Consultancy; owned and built by Electronic and Physical Security…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Itsus Consultingitsusconsulting.com HQ: Cardiff, United KingdomReported employees: 11-50 | Cardiff, United Kingdom | 11-50 | Exact match | 20 contacts → |
“Our purpose: We foster a forward-thinking, multi-disciplinary organisation that continues to attract talented people and collaborates with like-minded organisations to make a…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Optech Fibres LTDoptechfibres.co.uk HQ: Barrow In Furness, United KingdomReported employees: 51-200 | Barrow In Furness, United Kingdom | 51-200 | Exact match | 20 contacts → |
“Optech is a trusted partner to a number of long term customers and thrives on developing new relationships predominantly within the north of England and Scotland.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Salt Communicationssaltcommunications.com HQ: Belfast, United KingdomReported employees: 11-50 | Belfast, United Kingdom | 11-50 | Exact match | 18 contacts → |
“Salt is a secure communications system that provides the best armour organisations have to protect their trade secrets and other sensitive, strategic and proprietary information…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Comptech Solutionscomptechsolutions.co.uk HQ: Basingstoke, United KingdomReported employees: 11-50 | Basingstoke, United Kingdom | 11-50 | Exact match | 15 contacts → |
“CompTech Solutions Ltd brings together a team of seasoned professionals with a proven track record in delivering innovative solutions for complex defence challenges.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | G6 Globalg6-global.com HQ: Bristol, United KingdomReported employees: 1-10 | Bristol, United Kingdom | 1-10 | Exact match | 13 contacts → |
“G6 are industry leaders in the provision of radio and satellite voice and data communication solutions.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Consultive Solutions Limitedconsultivesolutions.co.uk HQ: Co.durham, United KingdomReported employees: 1-10 | Co.durham, United Kingdom | 1-10 | Exact match | 12 contacts → |
“Consultive Solutions Limited are a Security & Communications Consultancy and Project Delivery company, with in-depth industry knowledge and extensive experience in physical and…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | GOS Systemsgos-systems.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 7 contacts → |
“We are a global telecommunications carrier, delivering specialised telecommunication services to government agencies and commercial entities.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Bespoke Telecoms & Cctvbespoketelecoms.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Since 2010, Bespoke Telecoms have been providing some of the of the finest business and residential properties in the Country with the fastest possible internet services…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | 6s Global Limited6sglobal.co.uk HQ: Dartford, United KingdomReported employees: 1-10 | Dartford, United Kingdom | 1-10 | Exact match | 5 contacts → |
“6S Global have over 25 years’ accredited experience in the Security, Business and Data Intelligence Industry.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Kronos Threat Management Limitedkronosthreatmanagement.com HQ: Maidstone, United KingdomReported employees: 11-50 | Maidstone, United Kingdom | 11-50 | Exact match | 4 contacts → |
“KRONOS THREAT MANAGEMENT LIMITED is a company based out of ARKAS HOUSE HEADCORN RD, Maidstone, United Kingdom.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Gateway Of Technologygotltd.co.uk HQ: Lincoln, United KingdomReported employees: 1-10 | Lincoln, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Gateway of Technology is an experienced and certified communications business with an unrivalled knowledge of installations and systems.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Brim Partnersbrim.partners HQ: Edinburgh, United KingdomReported employees: 1-10 | Edinburgh, United Kingdom | 1-10 | Exact match | 2 contacts → |
“BRIM is one of the most highly respected management consulting specialists for the security sector.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Essential Security UK LTDessentialsecurity.info HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Essential Security is a unique company in that we offer a specialised and confidential service meeting your bespoke technological and communications requirements.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Cobalt Consultancy LTDcobaltconsultancy.com HQ: Bristol, United KingdomReported employees: 1-10 | Bristol, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Cobalt Consultancy provides security, risk management and training services to individuals, organisations and government depts.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Marks Consultmarksconsult.co.uk HQ: Central London, United KingdomReported employees: 1-10 | Central London, United Kingdom | 1-10 | Exact match | 1 contacts → |
“With extensive experience in the industry, we have spent years building the right team of industry leading experts in fields such as Technical Surveillance Counter Measures…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 89 company matches
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Communications security contractors: dataset insights
September 27, 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
88 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 89 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 27, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for communications security contractors?
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 communications security contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 89 matching company records, 805 tracked contacts and 266 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 27, 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
Communications security contractors by geography
- Communications security contractors based in Australia
- Communications security contractors based in Brazil
- Communications security contractors based in Canada
- Communications security contractors based in France
- Communications security contractors based in Germany
- Communications security contractors based in Mexico
- Communications security contractors based in Spain
- Communications security contractors based in the United States
Cite this list
RevenueBase Data Team. Top 25 communications security contractors based in the United Kingdom. Snapshot: September 27, 2026. https://revenuebase.ai/companies/communications-security-contractors/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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