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Proxcys team photo 2023

The Proxcys team

Proxcys designs, develops and produces innovative filtering equipment for the biopharmaceutical industry under an ISO 9001 quality management system. With an enthusiastic team of +/- 35 people we are proud to distribute globally from our new main office in Emmen, The Netherlands.


Marcel and Els Raedts founded Proxcys in 2003. Marcel (CEO) is the main creative brain behind Proxcys. With his degree in biology and his gene for technology, Marcel ensures that Proxcys continues to innovate and includes the latest technologies and trends. Els, co-founder and CFO has many years of experience in Microbiology and skillfully manages the financial side of Proxcys as well as Backoffice and HR department. Please contact our management via:


The Proxcys sales team is often your first point of contact. Our experienced Technical Sales Engineers are happy to think along and advise in (custom) solutions. Technical questions are not avoided and the dedicated point of contact ensures fast communication and swift turnaround of the questions at hand. Please contact us regarding the Proxcys product portfolio, ongoing projects or marketing related issues. Please contact our sales team via:


For questions about invoices, payments or other finance-related issues, our finance-team is at your service! Please contact our finance department via:

Human Resources

If you would like to respond to a job- or internship vacancy or submit an open application, you can contact our Human Resources team at:


Suppliers with questions regarding pending orders can contact our purchasing department via:


An experienced service team offers on-site and remote assistance for (preventive) maintenance, column installation, repairs and all other service-related activities. Click here for more information or get in touch with the service team via:

Research and Development

Our R&D department is engaged in development of new and innovative products. Translating client requests into practical solutions to be applied in the highly regulated Bio-pharmaceutical space. Researching best-fit solutions by 3D modeling and frequent development of prototypes, sometimes 3D printed for swift in-house feasibility testing.


At the core of Proxcys, our engineering department translates all developments in the State-of the Art SOLIDWORKS-PDM 3D Software. Electrical-engineers match this quality with the EPLAN platform 2022, Software engineers build control software, HMI’s in Simatic or Wonderware into our own COMPANION ™ or COMPANION-Lite™ and together combining their skills to deliver the state-of-the-art GMP-compliant purification equipment.

Quality Control

Proxcys designs and develops products for the biopharmaceutical industry under current GMP and the ISO 9001 quality management system. Our customized ERP-platform is configured to enter and link traceability data from the source to the product support file, completely automatic. Hence the team ensures that traceability is guaranteed and products meet the required criteria. For more information about our Quality policy click here.


Proxcys offers several options to assist with column packing, recipe optimization, scale-up and development studies. Our Lab specialists have many years of experience with packing HP-RFC columns. For an overview of our services, click here.