1958
- DEVA (Doctors, Pharmacists and Instruments) was founded with 27 shareholders and a capital of 500,000 TL.
1960
- The first DEVA production facility was opened in Beyoglu Tunel.
1963
- DEVA Bomonti Pharmaceutical Factory was opened.
1968
- DEVA Ampoule Factory was established in Izmit.
1970
- Turkey's first pharmaceutical raw material production was achieved with Tetracycline and Oxytetracycline manufacturing.
- The company's name and status were changed to DEVA Holding A.S.
1973
- The first major production facility was acquired from Italian Farmitalia.
1978
- Carlo Erba Pharmaceutical Factory was acquired.
1981
- DEVA Holding A.S. became one of only five organizations worldwide capable of producing Gentamicin.
1983
- A detergent and cologne factory owned by DEVA Holding was established in Izmit.
1986
- DEVA Holding A.S. shares began trading on the Istanbul Stock Exchange (ISE).
1991
- The synthesis factory was established and Cefuroxime Axetil production began.
2006
- The majority shares of DEVA Holding were transferred to EastPharma.
- Philipp Haas was elected Chairman of the Board of Directors.
2007
- The company headquarters moved to its new building in Halkali.
- Factory construction began in Cerkezkoy and Izmit Kosekoy.
2008
- Licenses and sales rights for 18 Roche products were acquired.
2009
- The R&D Center DEVARGE was established.
2010
- The merger of DEVA Holding with DEVA Ilac Sanayi ve Ticaret A.S. through acquisition was completed.
- 10 products from Bristol-Myers Squibb Company were acquired.
2012
- European EU GMP (Good Manufacturing Practice) compliance approval was obtained from the German Ministry of Health.
- The first license application was filed with the US Food and Drug Administration (FDA).
2013
- The Topkapi production facility was sold, consolidating production at the Cerkezkoy and Kartepe facilities.
- Became a registered supplier of the United Nations.
2014
- The inhaler drug production facility was opened in Cerkezkoy.
- The first ANDA application was filed with the US FDA.
2016
- Vetas joined DEVA Holding.
- Kartepe Production Facility received US FDA approval.
2017
- Cerkezkoy II Production Facility received US FDA approval.
2018
- Turkey's largest pharmaceutical logistics center began operations with a 32,000-pallet capacity.
2021
- The first sustainability report was published.
2023
- DEVA Holding's 65th anniversary was celebrated.
2025
- A total of 1,863 marketing authorizations have been obtained across 86 countries.