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Brüel & Kjær is founded

Per V. Brüel and Viggo Kjær founded the company in Denmark and received a license to trade.

Brüel & Kjær starts its global expansion

Establishment of sales office in the USA, soon followed by offices throughout Europe, the Middle East, Asia, and Africa over the next few decades.

First calibration lab

HBM opens the first calibration lab of the German Calibration service (DKD), now DAkkS.

Danish Primary Laboratory of Acoustics

The Danish government commissions Brüel & Kjær to operate the Danish Primary Laboratory of Acoustics (DPLA).

HBM and Brüel & Kjær are acquired by Spectris

Spectris is providing customers globally with specialist insight through high-tech instruments, test equipment and software.

Further acquisitions

Brüel & Kjær acquires Sound Answers in the USA and HBM acquires FiberSensing in Portugal and ReliaSoft in the USA.

Acquisition of RightHook

(an AI-Traffic, Sensor company as part of VI-GRADE - our Virtual Test division)

Acquisition of IMTEC

(Provide Simulators & Mechatronic Automation as part of VI-GRADE)

Acquisition of Concurrent Real-Time

(Provide Real-Time Computation & Hardware-in-Loop Systems)

Spectris acquires Dytran Instruments

Acquisition of Piezocryst

(Provider of high-precision piezoelectric sensor technology)