Company history

For 30 years, Diapharm has been winning its clients with far-sighted and creative strategies – both nationally and internationally.

1988Diapharm® is founded by Dr Stefan Sandner as an agency specialising in regulatory consulting in the city of Münster, Germany.
1995Diapharm acquires the analytical laboratory of former proprietor Planta Subtil (Boehringer Ingelheim) in Oldenburg, Germany, and expands its range of services to include dossiers, marketing authorisations, sales of MAs, and business development.
2002With the growing demand for analytical services for medicinal products and food supplements, the service laboratory is expanded through a cooperative arrangement with the German Federal Association of Pharmaceutical Manufacturers (BAH).
2005Our unique business concept breaks new ground in the industry – we are the first contract batch release provider for medicinal products and medical devices, providing the pharmaceutical industry with the opportunity to meet the increasingly strict standards for release and market launch - quickly and easily.
2005e are the BAH's official pharmacovigilance service provider for PSURs for chemical APIs.
2005Readability user testing of patient information leaflets becomes compulsory across Europe. Diapharm is the first company to offer validated readability user testing.
2007Diapharm audits API manufacturers worldwide and offers certified API audit reports.
2009Diapharm opens a subsidiary in the United Kingdom.
2011Diapharm opens a subsidiary in Austria.
2012Diapharm, the family-owned company, streamlines its organisation and changes its name and legal form to Diapharm GmbH & Co. KG.
2014Diapharm opens a representative office in Shanghai, China
2017Diapharm opens a subsidiary in the Netherlands, Diapharm BV, and a new office in Frankfurt, Germany. 
TodayWe support international companies in the healthcare and pharmaceutical industry in regulatory, medical and scientific matters as well as in quality assurance and product development. We are continually expanding our range of services, allowing our clients to act quickly, efficiently and cost effectively.


Photo:  Stefan Sandner
Dr. Stefan Sandner
Managing Partner
Photo:  Ralf Sibbing
Ralf Sibbing
Managing Partner
Photo:  Thilo Sandner
Dr. Thilo Sandner

What our Clients say:

»Diapharm und BAH are connected by an excellent and long-standing collaboration. I particularly appreciate Diapharm's highly competent team members. We got many succeful projects underway together.«

Dr Elmar Kroth,
BAH e.V.

  1. Contact us!
  2. Service hotline: +49 251 609350 
    +43 1 5321606 
    +31 133029063 
    +86 21 6057 7019 

  3. E-Mail:

  4. Salutation*

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