Milestones

1957
Testoterm is founded. The first product is an electronic clinical thermometer.

1970
Growth of 40% makes first building extension necessary in Lenzkirch.

1974
One of the first digital fast-response thermometers in the world with accuracy in seconds is launched.

1979
Testo France is founded as the first subsidiary.

1985-1986
New subsidiaries are set up in the Netherlands and Belgium.

1987
Testo Japan is established in Yokohama.

1989
A world innovation, the testo 452: the multifunctional measuring instrument with a printer.

1990
After ten years of R&D, the Testo humidity sensor is ready for the market.

1991-1993
New subsidiaries are set up in Italy, Spain and Australia. 450 staff worldwide.

1996
The testostor 171 & 175 logger family begins to be successful on the market.

1997-1999
Founding of subsidiaries in Poland, Hungary, Czech Republic, Brazil, Korea, Turkey. The subsidiary in Asia is founded.

1999
Founding of Testo industrial services in Lenzkirch.

2001
Testo Portugal; investment in development and production in China.

2002
The workforce reaches 1000; Testo Argentina and Testo Shanghai are founded.

2003
The 100 million Euro turnover mark is passed.

2004
The testo 330 rings in a new era of flue gas measurement

2006
New subsidiaries in Russia and India.

2007
Over 1300 staff worldwide. 50 years of Testo. 50 innovations in the anniversary year.

2008
The Testo thermal imager conquers the market. Over 1600 staff worldwide.

2009
Testo is one of the 100 most innovative medium-sized companies in Germany. 1800 staff worldwide.

2010
Testo acquires the Swiss company Matter Engineering AG, a technological leader in the field of nanoparticle measurement technology.
2000 staff worldwide.

2011
The 200 million Euro turnover mark is passed. The first building phase at the new site in Titisee is ready for occupation. 2300 staff worldwide.

Testo Sensor GmbH is founded in Lenzkirch.

2012
Testo launches the first fine particle measuring instrument onto the market.  Testo Romania is founded. 2400 staff worldwide.

2013
Recognised as one of the top 100 German medium-sized companies by the business news magazine Wirtschaftswoche and the Munich Strategy Group.
2.500 employees worldwide.

2014
Testo is one of the first measurement technology manufacturers to enter the "internet of things", and launch the Cloud-based monitoring system testo Saveris 2 onto the market.

2015
Testo breaks the 250 million Euro turnover barrier for the first time. Market launch for the Testo Smart Probes - instrumentscontrolled by smartphone and App.

2016
Testo establishes new subsidiaries in Malaysia and South Africa. The thermal imager testo 870 wins the German Design Award 2016.

2017
Testo celebrates its 60th anniversary with a grand gala and various public events. The ground-breaking ceremony for the second part of the building is held in Titisee, and with testo Saveris Restaurant the first solution is launched worldwide.