Cleanroom cleaning is the controlled-environment cleaning of spaces where airborne particles and contamination must be kept within tight limits. Optus Glean UK cleans cleanrooms and controlled environments to Good Manufacturing Practice-aligned protocols, using gowning, colour-coded equipment and documented method statements, delivered by vetted, PAYE-employed operatives.
Why cleanroom cleaning is different
A cleanroom exists to control contamination, so its cleaning has to protect the environment rather than just tidy it. Techniques are unidirectional and methodical, materials are low-linting and cleanroom-grade, and disinfectants are applied with correct contact times and rotated to manage resistance. This sits within our healthcare and life-sciences work and complements the regulated cleaning on our pharmaceutical cleaning page and the infection-control discipline of our healthcare cleaning service.
Good Manufacturing Practice and controlled environments
Where cleanrooms support pharmaceutical or medical-device manufacture, cleaning forms part of the site's Good Manufacturing Practice (GMP) framework: written procedures, defined frequencies, trained operatives, and records that demonstrate control. We work to the client's GMP protocols and cleaning specification rather than imposing a generic method, and document what was cleaned, when, and with what, so the quality system has its evidence trail. This aligns with the regulated work on our pharmaceutical cleaning page, and for particle-sensitive electronics and laboratory spaces we apply the same discipline used in our server room cleaning.
Contamination control and colour-coding
Preventing cross-contamination is the whole point, so we use the colour-coded equipment discipline familiar from healthcare, dedicate materials to zones, and control every chemical under the Control of Substances Hazardous to Health Regulations 2002 through our COSHH procedures. Gowning, entry and exit protocols and cleaning sequence are all set out in a task-specific method statement.
Trained, vetted, directly-employed operatives
Cleanroom work needs consistency and discipline, not a rotating cast of agency staff. Every operative is PAYE-employed, trained to the site's gowning and cleaning protocols, and background-checked (DBS, or Disclosure Scotland / AccessNI) before assignment, with the Enhanced checks used in our healthcare cleaning where the setting requires them.
One national provider for controlled environments
Life-sciences and electronics manufacturers often run several controlled-environment sites, so a single provider working to one documented standard reduces validation and audit overhead. Optus Glean UK delivers cleanroom cleaning nationwide within a single commercial cleaning contract, across the healthcare and life-sciences sector.

