Founded in 1992 as a CNRS spin-off, Carso today federates 11 analytical labs specializing in the environment, agrifood, and genetics.

In January 2011, EMZ provided Carso with financing for an OBO and to help it make additional acquisitions. In December 2016, EMZ invested in the new OBO led by founder Bruno Schnepp alongside a consortium of financial investors composed of Unigrains, Raise Investissement, Siparex and Etoile ID.