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More service, more security 

Guided by our conviction "More service, more security", we give our best every day as one of the leading metrological service providers. For our customers, our employees and the future of our company.   

More than 1,300 employees work for you throughout Europe. Quality, reliability, and low measurement uncertainties are the cornerstones of our work. Every single employee - from the apprentice to the managing director - contributes to the success of the company with a large part of his or her own responsibility. With the Testo Industrial Services team, you can be sure that all your measurement, calibration and quality assurance requirements will be fully met.

As a reliable partner at your side

We offer a comprehensive portfolio of services and are at your disposal for questions concerning calibration, test equipment management, qualification and validation. As a subsidiary of Testo SE & Co.KGaA one of the world's largest manufacturers of measuring instruments, we have more than 60 years of experience in the field of measurement technology and quality assurance.  With a high degree of self-motivation and cooperative teamwork we successfully shape our common future. 

Testo employees laugh happily into a photo box and have fun

Career & jobs

A unique team spirit and many exclusive employee benefits make us unmistakable.

Calibration of a sensor in a dip tank


For our customers we always offer the suitable and demand-oriented solution.

The QM team at Testo Industrial Services always keeps our quality promise in mind

Quality promise

You can always trust in the quality of our services.

Testo Group Brand Globe

Testo Group

We are part of a strong group of companies and give our customers security.

Our company history

The history of Testo Industrial Services GmbH began in 1999 with the founding of the independent subsidiary Testo CAL. Originating from a department of Testo SE & Co. KGaA, Testo CAL started with a handful of employees and the motivation to offer customer oriented, metrological services. 
With a spirit of innovation and the constant expansion of its portfolio, the Testo team has always been one step ahead. The doer mentality and motivation of each and every employee are the drivers of the company's success.  


  • Establishment of the calibration centre in Ingolstadt 
  • Foundation of Testo CAL GmbH 
  • DKD accreditation for surface temperature 


  • Accreditation of the DKD Laboratory Printing 
  • First FDA/GMP-compliant qualification of pharmaceutical plants 


  • Establishment of the calibration centre near Marburg 


  • Takeover of the DKD laboratory for electrical measurands in Munich 
  • Accreditation for DKD printing on site 


  • Accreditation of electrical measurement quantities in the HF range 
  • Accreditation for DKD temperature on site 
  • Change of name to Testo Industrial Services GmbH 


  • Relocation of the company management to Kirchzarten near Freiburg i.Br. 
  • Foundation of the subsidiary Testo industrial services empresarial S.A., Barcelona/Spain 


  • Accreditation of dimensional measurands 
  • PRIMAS - Online portal for test equipment management 


  • Relocation of the laboratories of Testo industrial services from Lenzkirch to Kirchzarten 
  • Accreditation for electrical measurands on site 
  • DKD extension: Noble thermocouples with an MU of 0.8°C 


  • Foundation of the subsidiary Testo industrial services AG, Egg/Switzerland 
  • New laboratory at the Munich site: Relocation to Karlsfeld near Munich 
  • DKD extensions:

    DC resistance (MU from 0.5 ppm) 
    DC voltage (MU from 0.5 ppm) 
    Humidity dew point down to -35° Tpt 


  • Foundation of the subsidiary Testo Industrial Services S.A.R.L. Forbach/France 
  • Takeover of Cameco Messtechnik in Pforzheim by Testo industrial services, associated DKD accreditations at the Pforzheim site for electrical and dimensional measurands 
  • Testo industrial services AG, Egg/Switzerland: 
  • Accreditations for electrical and dimensional measurands 
  • Extension of the functions in the online portal for gauge management PRIMAS online 
  • Awarded "Service Provider of the Year 2008" in the category Service Innovation by the Ministry of Economics Baden-Württemberg 


  • DKD accreditation at the Kirchzarten site for volumetric flow, mass flow and the electrical measurands DC voltage, DC current intensity, DC current resistance, DC current power, AC voltage, AC current intensity, capacitance, inductance, frequency, time interval, oscilloscopes, temperature simulation 
  • Foundation of the Calibration Center Essen 
  • PRIMAS exchange: PRIMAS exchange enables simple, automated data exchange between customer specific MES/CAQ systems and the calibration service provider. 
  • PNEUMATOR pressure calibrator and gauge: Development and market launch of the device in desk-top format, which is characterized by its wide stationary as well as mobile application range. 
  • Accreditation of dimensional measurands at the Karlsfeld site 
  • Accreditation of dimensional measurands at the Essen site 
  • Accreditation for temperature at the CH/Egg site 
  • Development of the service product MODUS: Modular Quality Services by Testo Industrial Services - Offers the unique, customer-specific selection of validation, qualification and calibration services in the pharmaceutical environment. 
  • Development of a validation standard for the Testo SAVERIS system 


  • Start of construction of the third phase at the Kirchzarten site 
  • Changeover from DKD to DAkkS 
  • DKD/DAkkS accreditation for the measurand acceleration at the Kirchzarten site 
  • Once again among the best two in the service competition of the Ministry of Economics Baden-Württemberg 
  • Establishment of the new laboratory for the calibration of HF measurement quantities 
  • Qualification/calibration project at Novartis Vaccines (250 plant qualifications and over 1400 measuring points) 


  • Accreditation in the HF area 
  • New accreditation of all measurands by DAkkS; minimized measurement uncertainties 
  • Pipette calibration 
  • Move to a new building in Essen 
  • Completion and ceremonial opening of the third construction phase in Kirchzarten with a new training center, social rooms for employees and a bistro. The expansion has created space for 100 additional workplaces. 
  • Acquisition of the Testo laboratory in Cabrils, Spain 
  • New logistics center at the Hanover site 
  • Expansion of the service portfolio: Pipette calibration at your site 
  • Relocation of the Marburg Regio-Center to a larger location 
  • Successful completion of GMP upgrade at B.Braun in Sempach/CH 


  • New Regio-Center Rhine-Main-Neckar in Ludwigshafen 
  • New calibration mobile 
  • Relaunch PRIMAS online 
  • New Sales Center in Madrid, Spain 
  • Extension of primary laboratory temperature by normal resistance and fixed point calibration 
  • HV calibration up to 50kV 
  • New logistics center in Ingolstadt 
  • Certification of Testo Industrial Services Switzerland according to ISO 9001 
  • Integration of Testo Industrial Services France into the group of companies 
  • Relocation of Testo Industrial Services Spain and France to new buildings  


  • New service center in Winsen near Hamburg 
  • Site expansion Kirchzarten 
  • Extension of the service portfolio to include purity measurements of compressed air and process gases 
  • Headcount: 400 mark in Germany and 500 mark in Europe exceeded 


  • 20 years of DAkkS accreditation 
  • Foundation of Testo Industrial Services GmbH in Austria 
  • Unique in the world: Measuring robot for length measurement calibration 
  • Establishment of the GMP training centre in Kirchzarten 
  • Service Provider of the Year 2014: Testo Industrial Services among the top 3 
  • ISO certificate with the number 1,000,000 was written 


  • Relocation Service-Center Munich from Karlsfeld to Dachau 
  • Accreditation for flow measurement at the Dachau site 
  • Headcount: 500 mark in Germany and 600 mark in Europe exceeded 
  • Most successful year since the company was founded - growth >20% / EUR 6.708 million 


  • Successful reaccreditation - new DAkkS certificate for five sites and around 200 calibration procedures 
  • Successful recertification ISO 9001:2008 
  • Headcount: 600 mark in Germany and 700 mark in Europe exceeded 
  • Jürgen Hinn becomes fourth member of the board at Testo - new composition of the management Testo Industrial Services 
  • Groundbreaking ceremony for the next building extension in Kirchzarten 
  • First in-house typing campaign with the Freiburg stem cell registry: More than 100 employees participate 
  • ISO certificate with the number 2.000.000 was generated 


  • Expansion of calibration portfolio: Measured variable Acoustics 
  • TMS GmbH becomes Testo Industrial Services - New accredited service centre in Hamburg 
  • New Service: High quality repairs of electrical measuring equipment 
  • Successful accreditation as a test laboratory for cleanroom qualification measurements 
  • Completion of extension building 3. Tower at the Kirchzarten Service Centre 
  • First successful blood donation campaign at Testo Industrial Services 


  • Introduction of PRIMAS mobile app 
  • New logistics center in Kulmbach (Northern Bavaria) 
  • Opening of the service center in Mörfelden-Walldorf (Rhine-Main area) 
  • Relocation Hamburg 
  • Successful assessment of our test laboratory by the DAkkS 
  • Extensions in the scope of accreditation 
  • Accreditation of acoustic calibrations 
  • Successful certification in the field of environment and energy according to DIN EN ISO 14001:2015 and DIN EN ISO 50001:2011 
  • New standard version: Certification according to DIN EN ISO 9001:2015 (instead of 2008) 


  • 20 years Testo Industrial Services - Anniversary year with many highlights (link to chronicle) 
  • 20 years - 20 social actions 
  • Groundbreaking ceremony Calibration Factory 
  • Changeover to DIN EN ISO/IEC 17025:2018  
  • TIS welcomes its 1,000th employee 
  • Relocation of Testo Industrial Services Austria to new premises 
  • TIS author team writes chapter "Calibration" for the GMP Advisor 
  • Accreditation certificate for the Service Center in Mörfelden-Walldorf 
  • 250 engineers & technicians in the technical field service 


  • Foundation of the subsidiary, Testo Industrial Services Ltd in Great Britain 
  • Generation change - Christian Sander takes over his father's work as Head of Metrology 
  • Introduction of the Testo Industrial Services Portal - all information about the order process can be accessed online 
  • Introduction PRIMAS connect: Enables automated access to all data that can be called up online in PRIMAS in the data system of Testo Industrial Services   
  • Awarded as FOCUS-Business Top Employer 2020 in the category Services 


  • Takeover of Wiepro Messtechnik GmbH, measurement services for 3D coordinate measuring technology in Villingen-Schwenningen 
  • Opening and certification of the Calbration Factory
  • Introduction of PRIMAS validated: validatable test equipment management system for companies with GxP compliance requirements
  • First-time implementation of webinars, digital seminars and a virtual customer day 
  • Thomas Richter celebrates his 40th company anniversary at Testo 


  • Foundation of the subsidiary Testo Industrial Services sp. z o.o. in Poland
  • Accredited provider for proficiency testing/ring comparisons according to DIN EN ISO/IEC 17043:2010
  • Validation of PAS and Cleanux: GMP-compliant automation systems for calibration and cleanroom measurement
  • Water test bench: calibration with water up to 5,000 l/min
  • Automated evaluation of climate distribution measurements: Development and introduction of the "Mappux" software
  • Expansion of our service centers in Essen and Dachau
  • 15th anniversary of Testo Industrial Services AG in Switzerland
  • Number of employees in the GxPS division of Germany reached 200 FTE
  • Award for Job Motor 2021 in the category: Best concepts for employee recruitment and retention (more than 200 employees)

  • Expansion of the portfolio to include test process management services
  • New mobile torque test bench (up to 5kNm also on site)
  • Takeover of PWT and opening of Heidenheim service centre
  • Accreditation as the first German laboratory for flue gas
  • Revalidation of PRIMAS validated
  • Relocation of TIS Poland to new building
  • Moritz Trescher honoured as the best in the state in the physics laboratory assistant vocational group (IHK training)

On the road to success since our foundation