- 1974 - Augusto Suzzi established Suba S.r.l. as a regional orchard seed producer
- 1986 - Establishes Suba&Unico S.r.l., a company focused on Asian market distribution
- 1992 - Hortus, the first company dedicated to seeds trading, was established
- 2005 - Establishes French branch to diversify production
- 2008 - Establishment of Royal Seeds S.r.l., who acquired semi-professional garden business unit from Monsanto
- 2011 - Suba Srl merged with Suba&Unico S.r.l. to form Suba Seeds Company SpA
- 2012 - Quadrivio (Italian Fund) acquires a 52% stake in Suba Seeds Company
- 2013 - Acquires Condor Seeds to further diversify the production product range
- 2015 - In 2015, PSP acquires a majority position (c.90%) of Suba alongside management (c.10%) and begins executing strategic expansion plan
- 2016 - Suba acquires Brotherton Seeds in July 2016 to add strategic IP and further diversify production and product range
- 2017 - In September 2017, Philippe Rousseau, previously leading the sunflower business at Syngenta, joined the Company as CEO to drive the next stage of growth.Also in 2017, the Company was rebranded as Verisem to better complement the Company’s global footprint and clarify the organization structure.
- 2018 -Acquires Franchi Sementi Established in 1783. Prominent Italian specialty seed distributor and one of the oldest continuously operated independent seed companies in Italy.