With over 40 years of engineering experience, Complete Security Systems Ltd (CSS) was built on a simple principle — protect what matters most. Since launching in 2019, we’ve become a trusted name in fire, security, and monitoring services across both residential and commercial sectors. Our customer-first approach means we don’t just install systems — we build long-term confidence.
CSS delivers fully tailored fire and security solutions for homes, businesses, and multi-site operations. From design to installation and 24/7 monitoring, every system is built around your needs. As a fully accredited provider, certified by bodies like BAFE, SSAIB and SafeContractor, we meet the highest standards — and exceed expectations with expert support at every step.
At CSS, our mission is to protect what matters — through intelligent systems, expert delivery, and unwavering commitment. We believe safety isn’t one-size-fits-all, which is why we build every solution around the people, properties, and businesses we serve.
From the first consultation to ongoing support, we’re here to deliver trusted, accredited, and tailored protection — without compromise
Complete Security Systems Ltd is a fully accredited and approved company with over 40 years of engineering experience in fire and security systems. We’ve been protecting commercial and residential communities since 2019.
BAFE is the independent registration body for third-party certified fire protection companies in the UK. Accreditation demonstrates compliance with industry best practices and ensures fire safety services meet rigorous quality standards.
SafeContractor is a leading health and safety accreditation, assessing contractors for safe, ethical, and compliant working practices. It reassures clients that a business meets key legal and regulatory standards in risk management.
SSAIB is a leading certification body for organisations providing security systems and services. Accreditation confirms that a company complies with key industry standards for design, installation, and maintenance of security and fire systems.
Complete Security Systems Ltd is proud to be a UKSI Delivery Centre who manage and provide a wide variety of services including Risk Assessments, Survey, Design, Installation, Commissioning, Maintenance and repairs for Fire & Security Systems on the behalf of the UKSI for the north east region.
GDPR is a data protection regulation that governs how businesses collect, store, and use personal information. Compliance ensures customer data is handled responsibly, securely, and in line with UK and EU privacy laws.
We offer a free site survey and quote, and we can help design, install, monitor and maintain.
