Headquartered in Montreal, Quebec, it was formed by the March 2014 merger of the original Grass Valley with Miranda Technologies, which were both acquired by American networking company Belden in 2014 and 2012, respectively.

[10] By 1968, the Grass Valley Group had introduced its first production switcher, or vision mixer, that "came to define the industry standard.

In 2005, Thomson purchased Canopus Corporation to add to Grass Valley's business, also adopting its video-editing software Edius.

On July 2, 2020, Grass Valley announced the completion of its acquisition from Belden Inc. by private equity firm Black Dragon Capital.

[23] On July 2, 2020, Grass Valley entered a Pledge And Security Agreement with MGG Investment Group LP of New York, NY.

[24] On November 9, 2021, Grass Valley announced the removal of former CEO Tim Shoulders and the appointment of Louis Hernandez as executive chairman.

[25] On January 10, 2022, Nicola Wealth, a Canadian investment firm, announced the acquisition of Grass Valley's headquarters at 3499 Douglas B Floreani Street, Saint-Laurent (Montréal), in Quebec.