Welcome to CPT Services

Our offices are based in Hampshire but our engineers travel and work throughout the UK to provide a comprehensive service to a wide range of industries, including:
  • Pharmaceutical
  • Manufacturing
  • Laboratories
  • Defence
  • Aeronautical
  • Optical
  • Electronics
  • Hospitals
  • Medical devices
  • Injection moulding

CPT Services facilitates the establishment, certification and optimisation of controlled environments, undertaking a range of on-site cleanroom services in the As Built, At Rest and Operational states.

We are a small company which has been in business for over 20 years and which prides itself in being able to offer an independent, flexible approach, listening to clients’ requirements and working with them to minimise downtime and reduce costs.


  • Cleanroom certification
  • Cleanroom commissioning
  • Periodic monitoring visits
  • Hospital HTM 03-01 verification
  • Airflow visualisation testing
  • Recovery performance testing
  • Microbial air sampling and analysis
  • Filter replacement and performance verification, including safe changes
  • Clean process design
  • Equipment testing
  • Education and training covering all aspects of cleanroom practices
  • Calibration of magnehelic gauges
  • Facility airflow balancing
  • Other services

Please go to our services page for more information.

Contact us to find out more about our services and prices.