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FMS (Facility Monitoring Systems Ltd) formerly known as Validair Monitoring Solutions Ltd (VMSL).

FMS (Facility Monitoring Systems Ltd.) is the new trading name for Validair Monitoring Solutions Ltd. With our company growing strongly in new sectors looking to embrace our contamination control expertise, we have chosen to rebrand to align the business with the markets we serve. Nothing other than our name has changed. It’s business as usual in all other respects. Read more in our News

FMS delivers world-class environmental monitoring systems from TSI and ViGIE, continuous particle monitoring software solutions, and is a leading supplier of Airborne Particle Counter instruments from TSI Inc, all supported by technical expertise and exemplary customer service in contamination-controlled environments across the UK and Ireland.

  • Continuous facility monitoring software solutions
  • Local server and cloud-based software options
  • Cleanroom particle counters

  • Technical support for airborne particle counter hardware and software facility monitoring systems 

  • Handheld, portable and point-of-use airborne particle counters from TSI

  • Real-time viable microbial particle counter from TSI

  • Condensation particle counters from TSI for semiconductor and hi-tech applications

  • Cleanroom monitoring systems

  • Complete system installation, commissioning and qualification
  • On-site and laboratory-based temperature calibrations (including UKAS certification)

FMS Ltd is an ISO17025 UKAS accredited calibration laboratory (Laboratory Number 9791)


A comprehensive range of world-class airborne particle monitoring instruments and systems from TSI and ViGIE.

Industry Sectors

Particle monitoring systems, solutions and expertise for cleanrooms and controlled environments in all industries.


Extensive range of bespoke contracts and exemplary customer support services for all cleanroom, clean air and contamination-controlled environment applications.

UKAS Accreditation

Accredited for temperature calibration of instruments used in cleanroom and clean air environments, including BSC.

We’re now JOSCAR certified.

FMS has been accredited as an approved supplier through the JOSCAR (Joint Supply Chain Accreditation Register) initiative, which simplifies our dealings with our existing and future customers in the aerospace, defence and security industries.

Our Clients

We’ve provided solutions for some of the top companies in the industry.

“We are delighted with the new organisational structure and confident that a renewed focus on the ViGIE platform and product portfolio by InnoWave will significantly strengthen the business”


Trusted Partners

We work with world-class technology partners famous for their industry-leading environmental monitoring solutions and customer service that matches our own high standards.

Talk to Us

Please get in touch to discuss your exact requirements and allow us to offer the best solutions.


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