Company lists · Data refreshed September 2026
Top 9 Security and access control companies based in Sheffield, United Kingdom
RevenueBase identified 25 company matches for security and access control companies associated with Sheffield, United Kingdom as of September 2026 and tracks 109 professional contacts across them, including 23 with verified work emails. Across the United Kingdom, London is the largest hub for this category (346 companies); Sheffield has 25.
This list covers company matches for security and access control companies associated with Sheffield, 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 6, 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 9 largest security and access control companies based in Sheffield, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 47 contacts → | ||||
Exact match “Established in 2007, Proforce Security Services Ltd are an SIA ACS accredited security company for the provision of security guarding and key holding.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 2 | 9 contacts → | ||||
Exact match “We are a Sheffield based company providing a complete solution in the commercial security & fire systems industry.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 3 | 7 contacts → | ||||
Exact match “Hunter Communication Services Hunter Communication Services specialise in the design, installation, commissioning, verification and aftercare of electronic security systems of any…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 4 | 3 contacts → | ||||
Exact match “Welcome to SheffLOCK Ltd.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 5 | 2 contacts → | ||||
Exact match “We have been supplying and installing high quality fire alarms, security systems and detection systems across Sheffield, Rotherham, Doncaster and South Yorkshire.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 6 | 2 contacts → | ||||
Exact match “Domestic, Commercial & Industrial Electrical installation and maintenance.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 7 | 2 contacts → | ||||
Exact match “KBH Installations offers a complete range of services for all fire and security, cctv, data and fibre installation projects, from simple, labour only contracts up to complete…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 8 | 1 contacts → | ||||
Exact match “FSD are a Life Safety, Security & IP Infrastructure systems integrator that provides design, installation, commissioning and support services to major construction clients…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 9 | 1 contacts → | ||||
Exact match “We provide a complete fire and security solution to commercial premises in South Yorkshire.” Recorded in the RevenueBase company graph · Sep 6, 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 “security and access control companies”. 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 9 of 25 security and access control companies based in Sheffield, United Kingdom
See the full list, filter by size, metro and specialty, and access 23 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Security and access control companies based in Sheffield, United Kingdom at a glance
As of Sep 6, 2026Companies by employee count
Email recency for this list is measured across the whole United Kingdom list rather than for Sheffield, so it is reported there. Company counts and contact totals on this page are exact for Sheffield, over 25 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 Sheffield, United Kingdom whose business descriptions match “security and access control companies” 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 23 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 6, 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.
Security and access control companies by metro in the United Kingdom
- Security and access control companies in London346
- Security and access control companies in Manchester73
- Security and access control companies in Birmingham49
- Security and access control companies in Glasgow36
- Security and access control companies in Leeds31
- Security and access control companies in Nottingham30
- Security and access control companies in Belfast28
- Security and access control companies in Leicester27
- Security and access control companies in Liverpool27
- Security and access control companies in Bristol26
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 “security and access control companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many security and access control companies are there based in Sheffield, United Kingdom?
RevenueBase identified 25 company matches for security and access control companies associated with Sheffield, 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?
Proforce Security Services tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United Kingdom has the most security and access control companies?
London leads the United Kingdom with 346 company records, followed by Manchester (73) and Birmingham (49). Sheffield has 25.
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 23 professional contacts with verified work emails tracked across these 25 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 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 25 security and access control companies based in Sheffield, United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
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- Security and access control companies based in Canada
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- Security and access control companies based in South Africa
- Security and access control companies based in Spain
- Security and access control companies based in the Netherlands
- Security and access control companies based in Mexico
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
- Security and access control companies based in the United States
- Security and access control companies based in the United Kingdom
- Security and access control companies based in Brazil
- Security and access control companies based in France
- Security and access control companies based in Australia
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Company intelligence · public preview
Top 9 security and access control companies based in Sheffield, 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 25 matching company records for security and access control companies based in Sheffield, United Kingdom, with 109 tracked contacts and 23 verified work emails.
This public preview shows 9 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 6, 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 9 security and access control companies based in Sheffield, 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 |  Proforce Security Servicesproforcesecurity.co.ukHQ: Sheffield, United KingdomReported employees: 201-500 | Sheffield, United Kingdom | 201-500 | Exact match | 47 contacts → |
“Established in 2007, Proforce Security Services Ltd are an SIA ACS accredited security company for the provision of security guarding and key holding.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  ORO Securityorosecurity.comHQ: Sheffield, United KingdomReported employees: 11-50 | Sheffield, United Kingdom | 11-50 | Exact match | 9 contacts → |
“We are a Sheffield based company providing a complete solution in the commercial security & fire systems industry.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Hunter Communication Serviceshuntercomms.co.ukHQ: Sheffield, United KingdomReported employees: 11-50 | Sheffield, United Kingdom | 11-50 | Exact match | 7 contacts → |
“Hunter Communication Services Hunter Communication Services specialise in the design, installation, commissioning, verification and aftercare of electronic security systems of any…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Shefflock LTDshefflock.co.ukHQ: Sheffield, United KingdomReported employees: 11-50 | Sheffield, United Kingdom | 11-50 | Exact match | 3 contacts → |
“Welcome to SheffLOCK Ltd.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Albion Detection Systems LTDalbion-detection.co.ukHQ: Sheffield, United KingdomReported employees: 11-50 | Sheffield, United Kingdom | 11-50 | Exact match | 2 contacts → |
“We have been supplying and installing high quality fire alarms, security systems and detection systems across Sheffield, Rotherham, Doncaster and South Yorkshire.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | R.Askew Electrical & Security LTDrotherhamelectrician.net HQ: Sheffield, United KingdomReported employees: 11-50 | Sheffield, United Kingdom | 11-50 | Exact match | 2 contacts → |
“Domestic, Commercial & Industrial Electrical installation and maintenance.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  KBH Installations LTDkbhinstallations.co.ukHQ: Sheffield, United KingdomReported employees: 1-10 | Sheffield, United Kingdom | 1-10 | Exact match | 2 contacts → |
“KBH Installations offers a complete range of services for all fire and security, cctv, data and fibre installation projects, from simple, labour only contracts up to complete…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Fire Security Data LTDfsd-ltd.co.ukHQ: Sheffield, United KingdomReported employees: 11-50 | Sheffield, United Kingdom | 11-50 | Exact match | 1 contacts → |
“FSD are a Life Safety, Security & IP Infrastructure systems integrator that provides design, installation, commissioning and support services to major construction clients…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Jackson Fire & Security Sheffieldjacksonfire.co.ukHQ: Sheffield, United KingdomReported employees: 11-50 | Sheffield, United Kingdom | 11-50 | Exact match | 1 contacts → |
“We provide a complete fire and security solution to commercial premises in South Yorkshire.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 9 of 25 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
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Security and access control companies: dataset insights
September 6, 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
24 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United Kingdom list rather than for Sheffield, so it is reported there. Company counts and contact totals on this page are exact for Sheffield, over 25 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 6, 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 ↗
Security and access control companies by metro in the United Kingdom
- Security and access control companies in London346
- Security and access control companies in Manchester73
- Security and access control companies in Birmingham49
- Security and access control companies in Glasgow36
- Security and access control companies in Leeds31
- Security and access control companies in Nottingham30
- Security and access control companies in Belfast28
- Security and access control companies in Leicester27
- Security and access control companies in Liverpool27
- Security and access control companies in Bristol26
Questions about this company list
What does Exact match mean for security and access control companies?
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 security and access control companies did RevenueBase find based in Sheffield, United Kingdom?
The saved snapshot records 25 matching company records, 109 tracked contacts and 23 verified emails. The public preview displays 9 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 6, 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
Security and access control companies by geography
- Security and access control companies based in the United States
- Security and access control companies based in the United Kingdom
- Security and access control companies based in Brazil
- Security and access control companies based in France
- Security and access control companies based in Australia
- Security and access control companies based in Germany
- Security and access control companies based in Canada
- Security and access control companies based in Italy
- Security and access control companies based in South Africa
- Security and access control companies based in Spain
- Security and access control companies based in the Netherlands
- Security and access control companies based in Mexico
Cite this list
RevenueBase Data Team. Top 9 security and access control companies based in Sheffield, United Kingdom. Snapshot: September 6, 2026. https://revenuebase.ai/companies/security-and-access-control-companies/united-kingdom/sheffield.
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
- Security and access control companies based in the United States
- Security and access control companies based in the United Kingdom
- Security and access control companies based in Brazil
- Security and access control companies based in France
- Security and access control companies based in Australia
- Security and access control companies based in Germany
Company intelligence · public preview
Top 9 security and access control companies based in Sheffield, United Kingdom
RevenueBase records 25 matching company records for security and access control companies based in Sheffield, United Kingdom, with 109 tracked contacts and 23 verified work emails.
This public preview shows 9 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 6, 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 9 security and access control companies based in Sheffield, 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 | Proforce Security Servicesproforcesecurity.co.uk HQ: Sheffield, United KingdomReported employees: 201-500 | Sheffield, United Kingdom | 201-500 | Exact match | 47 contacts → |
“Established in 2007, Proforce Security Services Ltd are an SIA ACS accredited security company for the provision of security guarding and key holding.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | ORO Securityorosecurity.com HQ: Sheffield, United KingdomReported employees: 11-50 | Sheffield, United Kingdom | 11-50 | Exact match | 9 contacts → |
“We are a Sheffield based company providing a complete solution in the commercial security & fire systems industry.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Hunter Communication Serviceshuntercomms.co.uk HQ: Sheffield, United KingdomReported employees: 11-50 | Sheffield, United Kingdom | 11-50 | Exact match | 7 contacts → |
“Hunter Communication Services Hunter Communication Services specialise in the design, installation, commissioning, verification and aftercare of electronic security systems of any…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Shefflock LTDshefflock.co.uk HQ: Sheffield, United KingdomReported employees: 11-50 | Sheffield, United Kingdom | 11-50 | Exact match | 3 contacts → |
“Welcome to SheffLOCK Ltd.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Albion Detection Systems LTDalbion-detection.co.uk HQ: Sheffield, United KingdomReported employees: 11-50 | Sheffield, United Kingdom | 11-50 | Exact match | 2 contacts → |
“We have been supplying and installing high quality fire alarms, security systems and detection systems across Sheffield, Rotherham, Doncaster and South Yorkshire.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | R.Askew Electrical & Security LTDrotherhamelectrician.net HQ: Sheffield, United KingdomReported employees: 11-50 | Sheffield, United Kingdom | 11-50 | Exact match | 2 contacts → |
“Domestic, Commercial & Industrial Electrical installation and maintenance.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | KBH Installations LTDkbhinstallations.co.uk HQ: Sheffield, United KingdomReported employees: 1-10 | Sheffield, United Kingdom | 1-10 | Exact match | 2 contacts → |
“KBH Installations offers a complete range of services for all fire and security, cctv, data and fibre installation projects, from simple, labour only contracts up to complete…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Fire Security Data LTDfsd-ltd.co.uk HQ: Sheffield, United KingdomReported employees: 11-50 | Sheffield, United Kingdom | 11-50 | Exact match | 1 contacts → |
“FSD are a Life Safety, Security & IP Infrastructure systems integrator that provides design, installation, commissioning and support services to major construction clients…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Jackson Fire & Security Sheffieldjacksonfire.co.uk HQ: Sheffield, United KingdomReported employees: 11-50 | Sheffield, United Kingdom | 11-50 | Exact match | 1 contacts → |
“We provide a complete fire and security solution to commercial premises in South Yorkshire.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 9 of 25 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Security and access control companies: dataset insights
September 6, 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
24 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United Kingdom list rather than for Sheffield, so it is reported there. Company counts and contact totals on this page are exact for Sheffield, over 25 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 6, 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 ↗
Security and access control companies by metro in the United Kingdom
- Security and access control companies in London346
- Security and access control companies in Manchester73
- Security and access control companies in Birmingham49
- Security and access control companies in Glasgow36
- Security and access control companies in Leeds31
- Security and access control companies in Nottingham30
- Security and access control companies in Belfast28
- Security and access control companies in Leicester27
- Security and access control companies in Liverpool27
- Security and access control companies in Bristol26
Questions about this company list
What does Exact match mean for security and access control companies?
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 security and access control companies did RevenueBase find based in Sheffield, United Kingdom?
The saved snapshot records 25 matching company records, 109 tracked contacts and 23 verified emails. The public preview displays 9 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 6, 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
Security and access control companies by geography
- Security and access control companies based in the United States
- Security and access control companies based in the United Kingdom
- Security and access control companies based in Brazil
- Security and access control companies based in France
- Security and access control companies based in Australia
- Security and access control companies based in Germany
- Security and access control companies based in Canada
- Security and access control companies based in Italy
- Security and access control companies based in South Africa
- Security and access control companies based in Spain
- Security and access control companies based in the Netherlands
- Security and access control companies based in Mexico
Cite this list
RevenueBase Data Team. Top 9 security and access control companies based in Sheffield, United Kingdom. Snapshot: September 6, 2026. https://revenuebase.ai/companies/security-and-access-control-companies/united-kingdom/sheffield.
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
- Security and access control companies based in the United States
- Security and access control companies based in the United Kingdom
- Security and access control companies based in Brazil
- Security and access control companies based in France
- Security and access control companies based in Australia
- Security and access control companies based in Germany