IT Security Companies within the UK




Company: Acumin

Security Services: Acumin specialises in information risk management. Acumin skills are based around 4 main areas which are Information Security, Business Continuity, Storage and Data Protection.


Locations: London.

Company: Calyx

Security Services: Email and web security management, encryption solutions, managed firewall, SSL VPN services, strong authentication services, SIEM.


Locations: London | Manchester | Hyde.

Company: Caretower

Security Services: Hosted security, consultancy, risk and compliance, network and endpoint security, and more.

Other: Software licensing, networking products (switches and router, etc), WAN optimisation.

Locations: London.

Company: Cipher

Security Services: An ISO 20000 and 27001 certified company providing managed security services, PCI DSS, consulting, system integration and more.


Locations: London.

Company: Commissum

Security Services: Managed security services, security penetration testing services, consultancy, security technology solutions, ISO 27001.


Locations: Edinburgh | London

Company: Computacenter

Security Services: Managed security (MSSP), consultancy, security solutions and more.

Other: Managed services, Infrastructure, consulting and system integration and more.

Locations: Hatfield (head office) | Belfast | Birmingham | Cardiff | Edinburgh | London | Manchester | Milton Keyenes | Nottingham | Reading | other offices around Europe.

Company: Computer Network Defence

Security Services: Information management, auditing, consultancy, pen testing, incident response analyst, compliance testing, firewall design, security threat analysis, business continuity, IT forensics, reverse malware engineering and more.


Locations: Wiltshire, London | Bath

Company: Computrad Europe Ltd

Security Services: Application and network visibility audit, managed security services, DDOS protection, ITIL, business continuity and disaster recovery.

Other: Traffic optimisation and application profiling services, Citrix services, Professional, support and consultancy services, managed services, GSA military and government, WAN solutions.

Locations: Middlesex, London.

Company: Core Consultancy

Security Services: Specialising in disaster recovery and business continuity backed with two data centres within the UK.

Locations: London.

Company: CTS

Security Services: Providing an end to end service around security including consultancy and education services. CTS work with broad range of security vendors.

Locations: London.

Company: Detica

Security Services: Cyber security, risk and compliance.

Other: IT and system integration and more.

Locations: Guildford, Surrey | Gloucester | London | Manchester.

Company: Easynet Global Services

Security Services: Managed security services.

Other: Managed hosting, networking, video conferencing, WAN.

Locations: London, Manchester.


Security Services: A company specialising in risk management and data security while improving performance.

Other: IT infrastructure and others.

Locations: Skokie Illnois | Calgary, Alberta | Edmonton, Alberta | Mississauga, Ontario | Vancouver, British Columbia | Winnipeg, Manitoba | London, UK.

Company: IDsec Limited

Security Services: Auditing and penetration, intrusion protection, managed security services, professional services, consultancy, training.


Locations: Middlesex, London.

Company: Integralis

Security Services: Managed services, complete security portfolio, consulting, support, risk and compliance services and more.


Locations: East Hartford, CT | New York, NY | Aliso Viejo, CA | Reading, UK | Manchester, UK | London, UK | Edinburgh, UK | Other offices outside UK and US.

Company: itlab

Security Services: Managed security and disaster recovery services including endpoint and network security, auditing, pen testing, ISO compliance, backup and more.

Other: Managed support, connectivity, networks and hosting services.

Locations: London, Birmingham

Company: ITC Global Security Ltd

Security Services: A company specialising in providing end to end security services and solutions.


Locations: London.

Company: Lato Networks

Security Services: Network security.

Other: Managed services, networking, storage, WAN, virtualisation.

Locations: Surrey, London.


Security Services: A company with a wide range of solutions and services with a focus in three main areas which are communications and collaboration, data centre and professional and managed services. Security solutions and services form a part of their overall IT offerings.

Other: Many.

Locations: Slough, UK (head office) | Scottsdale, AZ | Irvine, CA | Shelton, CT | Alpharetta, GA | Lisle, IL | Indianapolis, IN | Waltham, MA | FarmingtonĀ Hills, MI | Minneapolis, MN | Chesterfield, MO | Bridgewater, NJ | New York, NY | Charlotte, NC | Cincinnati, OH | Dublin, OH | Houston, TX | Plano, TX | San Antonio TX | Bellevue, WA | De Pere, WI | Brookfield, WI.

Company: maxima

Security Services: Perimeter security, IDP, DLP, application control

Other: Unified infrastructure and business solutions.

Locations: London.

Company: NTT Communications

Security Services: End to end security services and solutions, managed security services.

Other: Data centre services, network services, content delivery services, managed IT services, system integration.

Locations: London

Company: SAVVIS

Security Services: A reputable company with an excellent cloud offering. Various security solutions and services covering threat management, cloud security, log management, firewalls, IPS and more.

Other: Cloud, hosting colocation, network, professional services.

Locations: Town & Country, MO | Atlanta, GA | Waltham, MA | Chicago, IL | Ft. Worth, TX | Greenwood Village, CO | Herndon, VA | Irvine, CA | El Segundo, CA | Weehawken, NJĀ | Santa Clara, CA | Tukwila, WA | Town & Country, MO | Mississauga, ON | Vancouver, BC | Montreal, QC | Quebec City, QC | Wokingham, UK | London, UK.

Company: Softcat

Security Services: Security presales, installation, security testing, endpoint and network security, patch management, DLP.

Other: Software licensing, performance and availability.

Locations: Marlow, Bucks | Manchester | London.