Definitive PSA Limited t/a Interforce & Definitive Security

SIA Approved Contractor Definitive Security is a trusted, well managed, and respected supplier in the security industry. Providing friendly, professional services to clients and their end users.

Our focus is crowd and risk management, specialising in event security and manned guarding. We have been working in these sectors and tailoring requirements since 2006. Year on year Definitive has increased its capabilities and positive reputation, growing with our clients by working together.

Staff are SIA Licenced where required and uniformed accordingly in line with their role and responsibilities. They are coordinated by experienced managers who understand security, and the importance of getting our delivery right for you.