Office based in Rochester, Kent, with travel within the UK.

Who are we?

The TSS (Technical Safety Services) Family of Companies is one of the largest independent laboratory and hospital service providers with locations across the United States and United Kingdom.

Our customers include leading life sciences and healthcare companies and renowned research institutions.

We are a leading provider of environmental monitoring solutions, testing, calibration and certification services for controlled environments, medical gas systems, and laboratory instrumentation.

Our Family of Companies includes Technical Safety Services (TSS), Evergreen Medical Services (EMS), Cornerstone Commissioning, and Clean Air Technologies (CAT).  In 2024, Clean Air Technologies Ltd in the UK was purchased and includes into Technical Safety Services (TSS).

Clean Air Technologies was established in 1998 and is one of the largest Cleanroom and C...