Company lists · Data refreshed November 2026
Top 25 Harbor security system providers based in the United Kingdom
RevenueBase identified 230 company matches for harbor security system providers associated with the United Kingdom as of November 2026 and tracks 1,798 professional contacts across them, including 587 with verified work emails. London is the largest hub.
This list covers company matches for harbor security system providers associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 5, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest harbor security system providers based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 144 contacts → | ||||
Exact match “SRT Marine Systems PLC is a global leader and innovator in maritime surveillance, intelligence, navigation safety and situational awareness.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 69 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 54 contacts → | ||||
Exact match “Secur-it is a leading provider of security services and risk management.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 45 contacts → | ||||
Exact match “We are specialist providers of professional security system solutions.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 43 contacts → | ||||
Exact match “ATEC are here to make your business safe, giving you the confidence in the security of your business so It can thrive every day, now and long into the future.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 39 contacts → | ||||
Exact match “Since 1996, ClearView has been meeting some of the world's most demanding security requirements by utilising our experience in design, manufacture, installation and service of the…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 36 contacts → | ||||
Exact match “SECURITY EXPERTS FOR SCHOOLS, BUSINESS AND HOMES.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 8 | 35 contacts → | ||||
Exact match “Vindex Systems Limited was formed in 2002 specialising in designing, delivering and supporting IP Video Surveillance, Intruder Alarms, Intelligent Vehicle Management Systems, ANPR…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 9 | 31 contacts → | ||||
Exact match “Many security companies pull together different providers to deliver a single service.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 26 contacts → | ||||
Exact match “Engineered Protection & Optimisation.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 25 contacts → | ||||
Exact match “At WRS Solutions, we specialise in delivering tailored electronic security systems that provide real peace of mind.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 25 contacts → | ||||
Exact match “Securafit is a family run security company based within Kent.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 24 contacts → | ||||
Exact match “part of the Obsequio Group At Brunel, we provide advanced security and life protection solutions, ensuring that your business and assets are safeguarded with the highest standards…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 24 contacts → | ||||
Exact match “Classic Security was founded in 1947 by Fredrick Townsley - the father of our chairman and the grandfather of our MD.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 22 contacts → | ||||
Exact match “The Dennis Johns Service Group is a forward thinking group of companies providing, Electrical, CCTV and Access Control, installation and maintenance contracting services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 22 contacts → | ||||
Exact match “MarineGuard is recognised as the industry leader for the integration of leading edge technology-based superyacht security.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 22 contacts → | ||||
Exact match “Camera Security Services is a family owned and managed business which has been established since 1998; providing integrated security solutions to companies, local authorities…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 20 contacts → | ||||
Exact match “At Amax Fire & Security Ltd we pride ourselves on being expert providers of all your CCTV, fire safety and security needs.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 16 contacts → | ||||
Exact match “Fidelity Integrated Systems are accredited to the highest National Standards for Electronic Security Systems (NACOSS GOLD) and Fire Alarm Systems (BAFE GOLD) and are audited…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 16 contacts → | ||||
Exact match “For those who are new to us, here’s Oracle Vision in a nut shell.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 15 contacts → | ||||
Exact match “ISM is a Solutions Business with more than 30 years world leading experience in the manufacturing and inventing of integrated security management solutions, encompassing alarm…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 22 | 15 contacts → | ||||
Exact match “At ASM, effective security is about more than great technology.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 15 contacts → | ||||
Exact match “Secure Engineering are quality installers of business and industrial electronic security systems, site lighting and CCTV cameras in London and the South East of England.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 14 contacts → | ||||
Exact match “Security Services Provider specialising in Remote Monitoring; Installations and Maintenance of CCTV, Fire and Intruder Alarms, Access Controls.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 25 | 14 contacts → | ||||
Exact match “Based in Hedge End, Southampton, we offer a full range of fire alarm and security services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “harbor security system providers”. 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 230 harbor security system providers based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 587 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Harbor security system providers based in the United Kingdom at a glance
As of Nov 5, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 230 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 “harbor security system providers” 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 587 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 5, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
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 “harbor security system providers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many harbor security system providers are there based in the United Kingdom?
RevenueBase identified 230 company matches for harbor security system providers associated with the United Kingdom as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
SRT Marine Systems PLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most harbor security system providers?
London leads with 22 company records, followed by Horsham (4) and Liverpool (4).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 587 professional contacts with verified work emails tracked across these 230 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 2026.
Ready to reach these companies? Verified emails and direct dials for all 230 harbor security system providers based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Harbor security system providers by geography
- Harbor security system providers based in Argentina
- Harbor security system providers based in Australia
- Harbor security system providers based in Belgium
- Harbor security system providers based in Brazil
- Harbor security system providers based in Canada
- Harbor security system providers based in France
- Harbor security system providers based in Germany
- Harbor security system providers based in India
- Harbor security system providers based in Italy
- Harbor security system providers based in Mexico
- Harbor security system providers based in the Netherlands
- Harbor security system providers based in Spain
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Harbor security system providers based in Argentina
- Harbor security system providers based in Australia
- Harbor security system providers based in Belgium
- Harbor security system providers based in Brazil
- Harbor security system providers based in Canada
- Harbor security system providers based in France
Company intelligence · public preview
Top 25 harbor security system providers 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 230 matching company records for harbor security system providers based in the United Kingdom, with 1,798 tracked contacts and 587 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: November 5, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 harbor security system providers 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 |  SRT Marine Systems PLCsrt-marine.comHQ: Midsomer Norton, United KingdomReported employees: 51-200 | Midsomer Norton, United Kingdom | 51-200 | Exact match | 144 contacts → |
“SRT Marine Systems PLC is a global leader and innovator in maritime surveillance, intelligence, navigation safety and situational awareness.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Northern Security LTDnorthernsecurityltd.co.ukHQ: Carlisle, United KingdomReported employees: 201-500 | Carlisle, United Kingdom | 201-500 | Exact match | 69 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Secur-It Integrated Services LTDsecur-it.co.ukHQ: South Normanton, United KingdomReported employees: 201-500 | South Normanton, United Kingdom | 201-500 | Exact match | 54 contacts → |
“Secur-it is a leading provider of security services and risk management.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Knight Security & Fire Limitedknightsecurityandfire.co.ukHQ: Byfleet, United KingdomReported employees: Not recorded | Byfleet, United Kingdom | Not recorded | Exact match | 45 contacts → |
“We are specialist providers of professional security system solutions.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Atec Securityatec-security.co.ukHQ: Wolverhampton, United KingdomReported employees: 51-200 | Wolverhampton, United Kingdom | 51-200 | Exact match | 43 contacts → |
“ATEC are here to make your business safe, giving you the confidence in the security of your business so It can thrive every day, now and long into the future.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Clearview Communicationsclearview-communications.comHQ: Chelmsford, United KingdomReported employees: 51-200 | Chelmsford, United Kingdom | 51-200 | Exact match | 39 contacts → |
“Since 1996, ClearView has been meeting some of the world's most demanding security requirements by utilising our experience in design, manufacture, installation and service of the…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Safeguard Secure Solutions LTDsafeguardsecuresolutions.co.ukHQ: Bicester, United KingdomReported employees: Not recorded | Bicester, United Kingdom | Not recorded | Exact match | 36 contacts → |
“SECURITY EXPERTS FOR SCHOOLS, BUSINESS AND HOMES.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Vindex Systemsvindexsystems.comHQ: Crawley, United KingdomReported employees: 51-200 | Crawley, United Kingdom | 51-200 | Exact match | 35 contacts → |
“Vindex Systems Limited was formed in 2002 specialising in designing, delivering and supporting IP Video Surveillance, Intruder Alarms, Intelligent Vehicle Management Systems, ANPR…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Guide Securityguidesecurity.co.ukHQ: Darwen, United KingdomReported employees: 51-200 | Darwen, United Kingdom | 51-200 | Exact match | 31 contacts → |
“Many security companies pull together different providers to deliver a single service.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Link Integratedlinkintegrated.comHQ: Mansfield, United KingdomReported employees: 11-50 | Mansfield, United Kingdom | 11-50 | Exact match | 26 contacts → |
“Engineered Protection & Optimisation.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  WRS Solutionswrssolutions.comHQ: Mexborough, United KingdomReported employees: 11-50 | Mexborough, United Kingdom | 11-50 | Exact match | 25 contacts → |
“At WRS Solutions, we specialise in delivering tailored electronic security systems that provide real peace of mind.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Securafitsecurafit.co.ukHQ: Swanley, United KingdomReported employees: 11-50 | Swanley, United Kingdom | 11-50 | Exact match | 25 contacts → |
“Securafit is a family run security company based within Kent.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Brunel Fire & Securitybrunelsecurity.co.ukHQ: Portishead, United KingdomReported employees: 11-50 | Portishead, United Kingdom | 11-50 | Exact match | 24 contacts → |
“part of the Obsequio Group At Brunel, we provide advanced security and life protection solutions, ensuring that your business and assets are safeguarded with the highest standards…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Classic Services Group LTDclassicservicesgroup.co.ukHQ: Crawley, United KingdomReported employees: 51-200 | Crawley, United Kingdom | 51-200 | Exact match | 24 contacts → |
“Classic Security was founded in 1947 by Fredrick Townsley - the father of our chairman and the grandfather of our MD.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Dennis Johns Service Groupdennisjohns.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 22 contacts → |
“The Dennis Johns Service Group is a forward thinking group of companies providing, Electrical, CCTV and Access Control, installation and maintenance contracting services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Marineguard Systems Limitedmarineguard.comHQ: Southampton, United KingdomReported employees: 11-50 | Southampton, United Kingdom | 11-50 | Exact match | 22 contacts → |
“MarineGuard is recognised as the industry leader for the integration of leading edge technology-based superyacht security.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Camera Security Services LTDcamerasecurity.co.ukHQ: Chippenham, United KingdomReported employees: 11-50 | Chippenham, United Kingdom | 11-50 | Exact match | 22 contacts → |
“Camera Security Services is a family owned and managed business which has been established since 1998; providing integrated security solutions to companies, local authorities…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Amax Fire & Securityamaxfireandsecurity.co.ukHQ: Harrow, United KingdomReported employees: 11-50 | Harrow, United Kingdom | 11-50 | Exact match | 20 contacts → |
“At Amax Fire & Security Ltd we pride ourselves on being expert providers of all your CCTV, fire safety and security needs.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Fidelity Integrated Systemsfidelityintegrated.comHQ: Orpington, United KingdomReported employees: 11-50 | Orpington, United Kingdom | 11-50 | Exact match | 16 contacts → |
“Fidelity Integrated Systems are accredited to the highest National Standards for Electronic Security Systems (NACOSS GOLD) and Fire Alarm Systems (BAFE GOLD) and are audited…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Oracle Visionoracle-vision.comHQ: Wakefield, United KingdomReported employees: 11-50 | Wakefield, United Kingdom | 11-50 | Exact match | 16 contacts → |
“For those who are new to us, here’s Oracle Vision in a nut shell.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  ISM LTDism-uk.comHQ: Crawley, United KingdomReported employees: 11-50 | Crawley, United Kingdom | 11-50 | Exact match | 15 contacts → |
“ISM is a Solutions Business with more than 30 years world leading experience in the manufacturing and inventing of integrated security management solutions, encompassing alarm…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  ASMasmuk.netHQ: Manchester, United KingdomReported employees: 11-50 | Manchester, United Kingdom | 11-50 | Exact match | 15 contacts → |
“At ASM, effective security is about more than great technology.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Secure Engineering LTDsecureeng.co.ukHQ: Maidstone, United KingdomReported employees: 11-50 | Maidstone, United Kingdom | 11-50 | Exact match | 15 contacts → |
“Secure Engineering are quality installers of business and industrial electronic security systems, site lighting and CCTV cameras in London and the South East of England.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Fisher Security LTDfishersecurity.co.ukHQ: Goole, United KingdomReported employees: 11-50 | Goole, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Security Services Provider specialising in Remote Monitoring; Installations and Maintenance of CCTV, Fire and Intruder Alarms, Access Controls.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Axis Fire & Security Services LTDaxissecurityltd.co.ukHQ: Southampton, United KingdomReported employees: 11-50 | Southampton, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Based in Hedge End, Southampton, we offer a full range of fire alarm and security services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 230 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Harbor security system providers: dataset insights
November 5, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
221 records in the displayed employee bands.
9 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 230 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 5, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for harbor security system providers?
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 harbor security system providers did RevenueBase find based in the United Kingdom?
The saved snapshot records 230 matching company records, 1,798 tracked contacts and 587 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: November 5, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Harbor security system providers by geography
- Harbor security system providers based in Argentina
- Harbor security system providers based in Australia
- Harbor security system providers based in Belgium
- Harbor security system providers based in Brazil
- Harbor security system providers based in Canada
- Harbor security system providers based in France
- Harbor security system providers based in Germany
- Harbor security system providers based in India
- Harbor security system providers based in Italy
- Harbor security system providers based in Mexico
- Harbor security system providers based in the Netherlands
- Harbor security system providers based in Spain
Cite this list
RevenueBase Data Team. Top 25 harbor security system providers based in the United Kingdom. Snapshot: November 5, 2026. https://revenuebase.ai/companies/harbor-security-system-providers/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
- Harbor security system providers based in Argentina
- Harbor security system providers based in Australia
- Harbor security system providers based in Belgium
- Harbor security system providers based in Brazil
- Harbor security system providers based in Canada
- Harbor security system providers based in France
Company intelligence · public preview
Top 25 harbor security system providers based in the United Kingdom
RevenueBase records 230 matching company records for harbor security system providers based in the United Kingdom, with 1,798 tracked contacts and 587 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: November 5, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 harbor security system providers 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 | SRT Marine Systems PLCsrt-marine.com HQ: Midsomer Norton, United KingdomReported employees: 51-200 | Midsomer Norton, United Kingdom | 51-200 | Exact match | 144 contacts → |
“SRT Marine Systems PLC is a global leader and innovator in maritime surveillance, intelligence, navigation safety and situational awareness.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Northern Security LTDnorthernsecurityltd.co.uk HQ: Carlisle, United KingdomReported employees: 201-500 | Carlisle, United Kingdom | 201-500 | Exact match | 69 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Secur-It Integrated Services LTDsecur-it.co.uk HQ: South Normanton, United KingdomReported employees: 201-500 | South Normanton, United Kingdom | 201-500 | Exact match | 54 contacts → |
“Secur-it is a leading provider of security services and risk management.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Knight Security & Fire Limitedknightsecurityandfire.co.uk HQ: Byfleet, United KingdomReported employees: Not recorded | Byfleet, United Kingdom | Not recorded | Exact match | 45 contacts → |
“We are specialist providers of professional security system solutions.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Atec Securityatec-security.co.uk HQ: Wolverhampton, United KingdomReported employees: 51-200 | Wolverhampton, United Kingdom | 51-200 | Exact match | 43 contacts → |
“ATEC are here to make your business safe, giving you the confidence in the security of your business so It can thrive every day, now and long into the future.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Clearview Communicationsclearview-communications.com HQ: Chelmsford, United KingdomReported employees: 51-200 | Chelmsford, United Kingdom | 51-200 | Exact match | 39 contacts → |
“Since 1996, ClearView has been meeting some of the world's most demanding security requirements by utilising our experience in design, manufacture, installation and service of the…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Safeguard Secure Solutions LTDsafeguardsecuresolutions.co.uk HQ: Bicester, United KingdomReported employees: Not recorded | Bicester, United Kingdom | Not recorded | Exact match | 36 contacts → |
“SECURITY EXPERTS FOR SCHOOLS, BUSINESS AND HOMES.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Vindex Systemsvindexsystems.com HQ: Crawley, United KingdomReported employees: 51-200 | Crawley, United Kingdom | 51-200 | Exact match | 35 contacts → |
“Vindex Systems Limited was formed in 2002 specialising in designing, delivering and supporting IP Video Surveillance, Intruder Alarms, Intelligent Vehicle Management Systems, ANPR…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Guide Securityguidesecurity.co.uk HQ: Darwen, United KingdomReported employees: 51-200 | Darwen, United Kingdom | 51-200 | Exact match | 31 contacts → |
“Many security companies pull together different providers to deliver a single service.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Link Integratedlinkintegrated.com HQ: Mansfield, United KingdomReported employees: 11-50 | Mansfield, United Kingdom | 11-50 | Exact match | 26 contacts → |
“Engineered Protection & Optimisation.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | WRS Solutionswrssolutions.com HQ: Mexborough, United KingdomReported employees: 11-50 | Mexborough, United Kingdom | 11-50 | Exact match | 25 contacts → |
“At WRS Solutions, we specialise in delivering tailored electronic security systems that provide real peace of mind.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Securafitsecurafit.co.uk HQ: Swanley, United KingdomReported employees: 11-50 | Swanley, United Kingdom | 11-50 | Exact match | 25 contacts → |
“Securafit is a family run security company based within Kent.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Brunel Fire & Securitybrunelsecurity.co.uk HQ: Portishead, United KingdomReported employees: 11-50 | Portishead, United Kingdom | 11-50 | Exact match | 24 contacts → |
“part of the Obsequio Group At Brunel, we provide advanced security and life protection solutions, ensuring that your business and assets are safeguarded with the highest standards…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Classic Services Group LTDclassicservicesgroup.co.uk HQ: Crawley, United KingdomReported employees: 51-200 | Crawley, United Kingdom | 51-200 | Exact match | 24 contacts → |
“Classic Security was founded in 1947 by Fredrick Townsley - the father of our chairman and the grandfather of our MD.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Dennis Johns Service Groupdennisjohns.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 22 contacts → |
“The Dennis Johns Service Group is a forward thinking group of companies providing, Electrical, CCTV and Access Control, installation and maintenance contracting services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Marineguard Systems Limitedmarineguard.com HQ: Southampton, United KingdomReported employees: 11-50 | Southampton, United Kingdom | 11-50 | Exact match | 22 contacts → |
“MarineGuard is recognised as the industry leader for the integration of leading edge technology-based superyacht security.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Camera Security Services LTDcamerasecurity.co.uk HQ: Chippenham, United KingdomReported employees: 11-50 | Chippenham, United Kingdom | 11-50 | Exact match | 22 contacts → |
“Camera Security Services is a family owned and managed business which has been established since 1998; providing integrated security solutions to companies, local authorities…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Amax Fire & Securityamaxfireandsecurity.co.uk HQ: Harrow, United KingdomReported employees: 11-50 | Harrow, United Kingdom | 11-50 | Exact match | 20 contacts → |
“At Amax Fire & Security Ltd we pride ourselves on being expert providers of all your CCTV, fire safety and security needs.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Fidelity Integrated Systemsfidelityintegrated.com HQ: Orpington, United KingdomReported employees: 11-50 | Orpington, United Kingdom | 11-50 | Exact match | 16 contacts → |
“Fidelity Integrated Systems are accredited to the highest National Standards for Electronic Security Systems (NACOSS GOLD) and Fire Alarm Systems (BAFE GOLD) and are audited…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Oracle Visionoracle-vision.com HQ: Wakefield, United KingdomReported employees: 11-50 | Wakefield, United Kingdom | 11-50 | Exact match | 16 contacts → |
“For those who are new to us, here’s Oracle Vision in a nut shell.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | ISM LTDism-uk.com HQ: Crawley, United KingdomReported employees: 11-50 | Crawley, United Kingdom | 11-50 | Exact match | 15 contacts → |
“ISM is a Solutions Business with more than 30 years world leading experience in the manufacturing and inventing of integrated security management solutions, encompassing alarm…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | ASMasmuk.net HQ: Manchester, United KingdomReported employees: 11-50 | Manchester, United Kingdom | 11-50 | Exact match | 15 contacts → |
“At ASM, effective security is about more than great technology.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Secure Engineering LTDsecureeng.co.uk HQ: Maidstone, United KingdomReported employees: 11-50 | Maidstone, United Kingdom | 11-50 | Exact match | 15 contacts → |
“Secure Engineering are quality installers of business and industrial electronic security systems, site lighting and CCTV cameras in London and the South East of England.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Fisher Security LTDfishersecurity.co.uk HQ: Goole, United KingdomReported employees: 11-50 | Goole, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Security Services Provider specialising in Remote Monitoring; Installations and Maintenance of CCTV, Fire and Intruder Alarms, Access Controls.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Axis Fire & Security Services LTDaxissecurityltd.co.uk HQ: Southampton, United KingdomReported employees: 11-50 | Southampton, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Based in Hedge End, Southampton, we offer a full range of fire alarm and security services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 230 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Harbor security system providers: dataset insights
November 5, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
221 records in the displayed employee bands.
9 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 230 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 5, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for harbor security system providers?
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 harbor security system providers did RevenueBase find based in the United Kingdom?
The saved snapshot records 230 matching company records, 1,798 tracked contacts and 587 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: November 5, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Harbor security system providers by geography
- Harbor security system providers based in Argentina
- Harbor security system providers based in Australia
- Harbor security system providers based in Belgium
- Harbor security system providers based in Brazil
- Harbor security system providers based in Canada
- Harbor security system providers based in France
- Harbor security system providers based in Germany
- Harbor security system providers based in India
- Harbor security system providers based in Italy
- Harbor security system providers based in Mexico
- Harbor security system providers based in the Netherlands
- Harbor security system providers based in Spain
Cite this list
RevenueBase Data Team. Top 25 harbor security system providers based in the United Kingdom. Snapshot: November 5, 2026. https://revenuebase.ai/companies/harbor-security-system-providers/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
- Harbor security system providers based in Argentina
- Harbor security system providers based in Australia
- Harbor security system providers based in Belgium
- Harbor security system providers based in Brazil
- Harbor security system providers based in Canada
- Harbor security system providers based in France