List of Security Companies in UK
Our list of security companies in UK includes names, email addresses, telephone numbers and mailing addresses of managers, directors and other senior decision-makers within the business. As with all of our lists, this data can be sorted and filtered by revenue, number of employees, the industry in which they operate, job title and many more perimeters. Whatever your marketing campaign, you can rest assured that every piece of data is GDPR-compliant, meaning you can approach all contacts in our database with complete peace of mind.
UK Security Companies Contacts
- Full Name of the Employee
- A Personal Business Email Address (not generic)
- Exact Job Title (e.g., Security Director, Operations Manager)
- Job level (Executive, Manager, Director, VP, C-level)
- Company Name and Website Address
- Full Mailing Address with Postcode
- Organisation-level Phone & Fax Numbers
- Company Industry/ Specialty (e.g., Manned Guarding, Alarm Systems, Cybersecurity)
- Company Revenue & Employee Size Indicator
Security Companies UK List Quality Promise
- Free data samples to give you insight into the quality and field layout
- 95% deliverability guarantee
- GDPR-compliant data
- We'll replace hard bounce emails for free, if they exceed the threshold
- GDPR and CAN-SPAM Act compliant data
- Email addresses are updated quarterly for accuracy and relevance
- A dedicated account manager selects ideal data for your project
- Complete data ownership after the purchase
- We select sources of data that most likely to convert for you
UK Security Companies List by Industry
Who Should Use The List of Security Companies in UK?
- Security technology providers
- Uniform & equipment suppliers
- Training and compliance providers
- HR & recruitment agencies
- Fleet & logistics services
- Insurance brokers & legal advisors
- Facility management & cleaning services
- Event organisers & publishers
largest security companies UK
List of Top 50 Security Companies in the UK
If you are looking to target the largest or the most successful security companies in the UK – that can be easily done. The list below lists the top security companies in the UK by revenue.
| Company Name | Website Address |
|---|---|
| Mitie Security | www.mitie.com |
| G4S Secure Solutions | www.g4s.com |
| Bidvest Noonan | www.bidvestnoonan.com |
| Securitas Security Services | www.securitasinc.com |
| OCS Group UK Ltd | www.ocs.com |
| TSS (Total Security Services) | www.totalsecurity.co.uk |
| Wilson James Ltd | www.wilsonjames.co.uk |
| Sodexo Security | www.sodexo.com |
| Loomis UK Ltd | www.loomis.co.uk |
| SSGC Ltd | www.ssgc-net.com |
| ISS Global Security | www.issworld.com |
| Corps Security Ltd | www.corpssecurity.co.uk |
| Kingdom Services Group | www.kingdom.co.uk |
| I.C.T.S. (U.K.) LIMITED | www.icts.co.uk |
| Amberstone Security | www.amberstone.co.uk |
| Atalian – Servest Ltd | www.atalianservest.co.uk |
| CIS Security Ltd | www.cis-security.co.uk |
| Carlisle Security Services Limited | www.carlislesupportservices.com |
| Profile Security Services Ltd | www.profilesecurity.co.uk |
| Man Commercial Protection Limited | www.mancommercialprotection.co.uk |
| SecuriGroup | www.securigroup.co.uk |
| Ward Security Limited | www.ward-security.co.uk |
| Amulet Security | www.amulet.co.uk |
| Interr Security | www.interr.com |
| Professional Security | www.professionalsecurityuk.com |
| Croma Vigilant | www.cssgplc.com |
| Bold Security Group | www.bold.co.uk |
| Guarding UK | www.guk.co.uk |
| STM Group Ltd | www.stmsecurity.com |
| First Response Group | www.firstresponsegroup.com |
| Lodge Service Ltd | www.lodgeservice.com |
| Allied Universal (Europe) Limited | www.aus.uk.com |
| ABM UK | www.abm.co.uk |
| Provide SESS | www.provide-security.com |
| MPD FM (Formerly, Manpower Direct) | www.mpdfm.com |
| Brooknight Security Ltd | www.brooknight.com |
| Unitrust: Security | www.unitrust.co.uk |
| Constant Security | www.constant-services.com |
| The Protector Group | www.protectorsecurity.co.uk |
| Dardan Security | www.dardansecurity.co.uk |
| Showsec | www.showsec.co.uk |
| The Keyholding Company | www.keyholding.com |
| Anchor Group Services | www.anchorgroupservices.co.uk |
| Phoenix Eye Security | www.phoenix-eye.co.uk |
| GMS Group UK | www.gms-group.co.uk |
| FGH Security | www.fghsecurity.co.uk |
| Regency Security Group | www.regencysecurity.co.uk |
| Prime Secure | www.prime-secure.co.uk |
| SmartSec | www.smartsecsolutions.com |
| CN Security | www.cnsecurity.co.uk |
List of Security Companies
GDPR Compliant Database
We work only with GDPR-compliant mailing, email, and telephone data that goes through stringent data protection checks. Our databases are replenished with over 1.5 million verified, PECR, Spam-Act, and GDPR-compliant personal business email addresses each month. We also offer compliance guidance.
Why Choose the List of Security Companies in UK for Your Business?
Our list of security companies in the UK is a powerful B2B resource designed to connect you directly with key decision-makers within the country’s security sector. By leveraging this database, you can:
- Direct Access to Senior-Level Decision Makers: Our database includes verified names, job titles, emails, and phone numbers of CEOs, managing directors, operations managers, procurement heads, and other senior professionals across thousands of UK-based security companies. Save time and effort by engaging directly with those who influence purchasing and business strategy.
- Covers All Key Segments of the Security Industry: From manned guarding and patrol services to electronic surveillance, cybersecurity, access control systems, and event security, this list of security companies spans a wide variety of companies, ensuring relevance for a broad range of suppliers and service providers.
- Reach a High-Demand, Compliance-Driven Sector: Security companies operate in a highly regulated and competitive environment, making them ideal customers for solutions that improve efficiency, training, compliance, safety, or technology performance. If you offer products or services that give companies a competitive edge, this list helps you reach the firms that need you most.
- Ideal for Local, Regional, or National Outreach: Whether you’re targeting security firms in London, the Midlands, Scotland, or nationwide, our list of security companies can be filtered by location, company size, and type of service provided. You can build custom campaigns tailored to specific geographic areas or service specialisations.
List of Security Companies in UK FAQ
How many security companies operate in the UK?
As of 2024, there are 10,665 security enterprises operating in the UK. Most of these are small businesses, with fewer than five employees. Only 85 companies in the sector employ 250 or more people.
What is the typical size and revenue of a UK security company?
The majority of security companies in the UK are small-scale operations. In terms of financial size, most firms report a turnover between £100,000 and £249,999 annually.
How many people are employed in the UK security industry?
There are over 451,000 active Security Industry Authority (SIA) licence holders in the UK as of 2025. This figure gives a strong indication of the industry's employment scale.
What are the most common specialties in the UK security industry?
The most popular security roles, based on SIA licences, include:
Door Supervision: 360,515 licence holders
CCTV Operation: 61,826 licence holders
Security Guarding: 58,030 licence holders
What is the size of the UK security services and cybersecurity markets?
UK Security Services Market: Estimated to reach US$6.83 billion in 2025.
UK Cybersecurity Market: Projected to hit US$12.09 billion in 2025, with an annual growth rate of 8.57% expected from 2025 to 2029.
Who is the top security company in the UK by revenue?
In 2024, the leading UK security company by revenue was Mitie Total Security Management, reporting approximately £1.1 billion in annual revenue.
Is the data GDPR-compliant?
Yes, all data in our list is GDPR-compliant, meaning you can contact the individuals with confidence and complete peace of mind.
Can I tailor my communications based on the list of security companies in London?
Yes, we recommend tailoring your communications for the best chance of success. For example, you can filter the list by industry and send personalised emails or letters to contacts based on their specific needs.
Can I filter the list to meet specific needs?
Absolutely. The data can be sorted and filtered by factors such as revenue, number of employees, industry, job title, and more to suit your marketing campaign.
