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Environmental Motoring Services Irl. ltd & EMS Particle Solutions ltd has been acquired by Particle Measuring Systems, Inc. Following on from our recent acquisition by Particle Measuring Systems, the website will be incorporated into

While our emails have changed, the team and service locations are the same. If you require any information please note: Our contact details in Ireland & UK have changed to the following,  

Sales/Service Ireland: John Meenan

Sales UK: Andy Worsick

Service UK: Jamie Browett

Issues / general : +353 1 2957373

Particle Measuring Systems, Inc. Announces Acquisition of Environmental Monitoring Services Irl. Limited and EMS Particle Solutions Ltd

Acquisition transitions from an indirect to direct sales and service approach in the
UK and Ireland.

October 3, 2023 – Boulder, Colorado USA – Particle Measuring Systems, Inc. announces the acquisition of Environmental Monitoring Services Irl. Limited and EMS Particle Solutions Ltd, and their parent company (collectively EMS); established in 1988, and headquartered in Dublin, Ireland. EMS is a leader in the cleanroom industry, delivering complete cleanroom monitoring and controlsolutions and services to customers, and ensuring quality by design from inception to process control.

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Particle Measuring Systems, Inc. isthe market leader in contamination monitoring and control for cleanrooms and aseptic manufacturing environments. The company combines best-in-class domain knowledge, technology, and service necessary to successfully meet regulatory requirements and improve product yields for customers in the life sciences, semiconductor, and electronics
end markets.

This acquisition aligns with Particle Measuring Systems’ strategy to be direct in every major geographical market as a means to best support and service customers with advanced contamination monitoring and control solutions. EMS has a strong, and long-established track record of success supporting both aseptic pharmaceutical and semiconductor customers in the UK and Ireland.

Particle Measuring Systems, Inc. has partnered with EMS for almost thirty years as an exclusive sales and service channel for customers in these strategic territories. EMS’s knowledge of Particle Measuring Systems, Inc.’s business is expected to lead to a seamless integration experience for both customers and employees.

“It has been gratifying to grow EMS over the last 30 years,” said Dave Nolan, Managing Director, EMS. “This is an exciting and natural next step for our organization and |’m looking forward to continuing as part of this great team.”

“We are always looking for ways to provide our customers with better solutions while maintaining our strong growth trajectory and being recognized as an employer of choice by our employees.”, said interim Particle Measuring Systems, Inc. President, Mark Fleiner. “Acquiring EMS helps us achieve these goals while also preparing for continuity of service and solutions in this strategic

Contact Us


Unit 1C, Three Rock Road, Sandyford Industrial Estate,

Dublin 18, D18 PR84


Phone + 353 1 295 7373


Compass House, Vision Park, Chivers Way, Histon,

Cambridge CB24 9AD


Phone +44 (0)1223 257704

Call us today at +353 1 295 7373 for more information