About Us

Established in 1992, Theam Security Limited are proud of being the first Secured by Design (Police preferred Specification) accredited company for the installation of security systems.


The key personnel of the company have over 100 combined years of experience in the lock, double glazing and security industry and with our commitment to Total Quality Management we can offer our customers a service that is second to none.

Based in the West Midlands and within easy reach of major road networks we are ideally placed to serve the needs of businesses and domestic consumers throughout the UK. We are constantly expanding our product range so that we can provide a full security service for our clients. From door and window security through to access control we are major suppliers to Local Authorities, Schools, Government Agencies and Police Authorities.

On projects of a sensitive nature we work closely with the Police and have been approved by the Secured by Design initiative for our installations of Approved tested products.

We have a Quality Management System with regular audits and some of our clients include:

  • Home Office Schemes
  • Birmingham City Council
  • Dudley Metropolitan Borough Council
  • Probation Services
  • HM Revenue and Customs
  • Crown Prosecution Services

  • Health Authorities
  • Major High Street Food Retailer
  • National Kitchen Retailer
  • Benefits Agency
  • Residential Housing Associations
  • Plus, thousands of domestic properties…

We supply and install all types of Window Security, Door Security, Locks, Roller Shutters, Concertina Grilles, Burglar Bars, Steel Security Doors, Anti-Vandal Screens and Security Cages. Many are independently tested products or have been approved by the Loss Prevention Certification Board (LPCB) and some are accredited by the Police with their Secured by Design initiative.

We pride ourselves on giving honest advice to suit our client’s budget and we are committed to achieving the highest standards within our industry. Every member of our installation teams are DBS Disclosure and Barring Service (formerly CRB Enhanced) checked. We also take our Health and Safety Policy very seriously and are CHAS registered (Contractors Health & Safety Assessment Scheme) and Construction Line approved.

With many years of experience our surveyors have a wealth of knowledge to advise clients of the most effective security measures to adopt to suit their budget.

Once a security survey has been carried out our customer receives a comprehensive quotation for the proposed security installation. Our professional team of fitters are very experienced and take pride in the quality of the installation they achieve.


Bob and Amanda Meath formed Theam Security in January 1992 and after 23 years, it still remains a family business. Read more…