CLS Ingenieur GmbH | GxP Solutions in Pharmaceutical Technology

CLS provides first-class independent engineering and services for the pharmaceutical, laboratory and cleanroom technology sectors as well as for pharmacies and hospitals.

Our experts work nationally and internationally on projects whose main tasks are planning and expert consulting in accordance with GMP/GDP/GLP requirements, implementing pharmaceutical quality management systems, working with medical devices, as well as compliance guidelines, validation and qualification in the areas of pharmaceutical production, hospital pharmacies, and blood, cell and tissue banks, among others.

In the area of cleanroom and process measurement technology, CLS acts as an independent and certified expert that consistently and objectively inspects cleanrooms, process equipment and warehouses in accordance with GxP requirements. This includes all cleanroom and process measurement activities.

Many years of know-how and ISO 9001 certified quality management

Many years of experience and our certified QM system generate solutions with expertise, partnership and sustainability together with you.

CLS | Ahead with Expertise.

CLS | Braintrain
Based on our previous experiences and the strong interest in expert knowledge, it is evident that consolidating training and education within an Austrian platform is advantageous. Our responsibility entails providing specialized expertise and proven methodologies in the fields of cleanroom technology, Good Manufacturing Practice, measurement technology, audits, and more.

BRAINTRAIN | Expertise up close.

Through the website, you can easily access knowledge, experience, and successful projects. We are your central point of contact for all training and support services.


CLS Ingenieur GmbH
Rathausviertel 4
Phone: +43 2236 320218
Fax: +43 2236 320218-15


Dipl.-Ing. Peter Furtner (CEO)

Corporate data
Founded: 2010
Staff: 50 (2023)

2353 Guntramsdorf
1220 Vienna
8010 Graz

Business areas

  • GxP Engineering
  • Validation & Qualification
  • Cleanroom Measurement
  • Computervalidation
  • Training

AGES, B.Braun, Boehringer Ingelheim, KHN Wien, Legacy Pharmaceuticals, LKH Graz, MSD, Pfizer, SALK, Seibersdorf Labor GmbH, u. v. a.




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