Visiting address


KT13 8ZL


Postal address

PO Box: PO Box 578

Surrey , KT13 8ZL



Tel +44 (0) 1932 889 442

Fax +44 (0) 1932 829 695

Company information

Certisa Ltd is a dynamic safety critical engineering company based in Chertsey, South East England. We are dedicated to providing the highest quality work to our clients, on time and at excellent value. Certisa has established a formidable reputation for delivering excellently crafted safety assurance and safety engineering documentation for airports, ANSPs and manufacturers of ATM/CNS systems. We have addressed software and hardware aspects of Radar, AGL, ILS, NDB, VHF Communications, ATIS, DME and Met Systems. Our expertise is a unique blend of safety assurance experts, air traffic management specialists and highly skilled software and hardware engineers. Our knowledge of both the application domain and today's advanced systems means we are singularly able to support our clients at the highest or most detailed engineering levels. On the safety side we are able to offer our clients a wide range of services, starting with clear, concise Safety Case development and ranging through to the establishment of a corporate wide safety culture and Safety Management System. But Certisa is not just about safety, we offer a large outsourcing facility for software verification and documentation. Our team of over thirty graduate engineers can ensure you meet your project deadlines by rapidly constructing test documentation, module tests and code reviews. Indeed we regularly produce a complete documentation set for client's products against DO-178B, FAA or Eurocontrol standards. Finally we offer informative and enjoyable training courses at our state-of-the-art centre in Chertsey. These range from a general introduction to safety concepts to a detailed look at regulatory standards.

Company information

Headquarters location Weybridge
KT13 8ZL Surrey
Some facts
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Company Size


  • Consulting
  • Software