One trusted partner for all your building compliance needs.

Complii

Complii are your trusted partner for passive fire protection services.

Complii are your trusted partner for the specialist provision of passive fire protection services, delivering certified fire door installation, maintenance, and fire stopping solutions to residential, commercial, and industrial properties.

We operate to rigorous industry standards, giving clients confidence that all work is carried out to the highest levels of quality and compliance with current fire safety legislation. Our fire door services cover the full lifecycle of a fire door, from initial supply and expert installation through to ongoing inspection, maintenance, and repair, ensuring doors continue to perform correctly and meet regulatory requirements over time.

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One trusted partner. Five specialist divisions.

Through our specialist divisions, covering water and air hygiene, fire and security, electrical compliance, and lifts and escalators, we bring together essential compliance services under one supplier.

This approach helps organisations reduce complexity, improve visibility and gain greater confidence in their compliance position — whether managing a single site or a complex multi-location estate.

By providing compliance solutions in one place, we support better planning, clearer reporting and more informed investment decisions. Our approach helps organisations prioritise spend, reduce risk and demonstrate compliance with confidence.

Who we are

Essential compliance services, all under one roof.

Water hygiene services

Recognised experts in legionella risk management and water hygiene safety

Air hygiene services

Safe, compliant and energy-efficient air systems for every environment.

Fire services

Undertaking all aspects of both passive and automatic fire prevention.

Electrical services

Certified inspections, maintenance, and compliance for critical systems.

Lift and escalator services

Complete solution for the inspection, maintenance, repair, modernisation, and installation of lifts, escalators, and travelators.

Case studies

King's College Hospital NHS Foundation Trust

King’s College Hospital NHS Foundation Trust is one of the UK’s largest and busiest teaching hospitals, serving 1.5 million patients annually across a vast estate with over 13,500 staff. Serving the inner-city population of Southwark and Lambeth, as well as millions from tertiary referral centres in southern England, King’s College Hospital deals with 400 Emergency Department attendances per day, and has the largest mental health patient attendance in the UK.

University of Warwick Comprehensive Electrical Safety Testing

Electrical Testing Midlands (ETM) was chosen to manage all statutory Fixed Wire Testing and PAT requirements across Warwick's vast estate. Our comprehensive solution guarantees continuous safety and compliance while actively integrating sustainability strategies to support the university's ambitious energy-efficiency goals.

Dukes Building University of Worcester Self-Test Fire Detection

Fire Safe Services designed and installed a new Honeywell Gent fire detection and alarm system throughout the Dukes Building. The Gent platform was chosen for its proven track record in complex, occupied environments and its ability to meet the precise technical and operational requirements the university had set out.

See all case studies

Your trusted partner for all your building compliance needs.

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