- 1997
In September Sylvia and Werner Trenker found MED TRUST as a business enterprise with a focus on diabetes
- 2001
The Wellion brand is launched
- 2002
The first Wellion products (produced by partner companies) enter the market
- 2008
Development and manufacturing of own products
- 2015
Manufacturer of products for partner companies under their brands (OEM production)
- 2000
Subsidiary in Bulgaria
- 2003
Subsidiary in Germany
- 2004
Start to set up distributors in Europe
- 2006
Subsidiary in Sweden
- 2009
Subsidiaries in Greece and the Czech Republic
- 2010
Start to set up distributors outside of Europe
- 2012
Subsidiary in Slovakia and Slovenia
- 2013
Subsidiaries in Portugal
- 2015
Subsidiary in Croatia
- 2017
Subsidiary in Italy
- 2019
Subsidiary in France