[2] Following its acquisition of GES International on January 9, 2019, Sustainalytics had more than 600 employees with offices in 17 cities around the world and over 700 institutional investor clients.

[3][4] On April 21, 2020, Morningstar, Inc. acquired the remaining ~60% of Sustainalytics' shares to become the sole owner.

[6] [7] In 2017, Morningstar, Inc. become a 40% shareholder in the company alongside senior management, Stichting Pensioenfonds Zorg en Welzijn (PGGM), ABN AMRO Group and Renewable Partners [8][9] On 21 April 2020, Morningstar Inc. completed the acquisition, purchasing the remaining 60% of the shares.

[13] In 2017 and 2018, investors voted Sustainalyitcs as the "Most Impressive Second Opinion Provider" for this service in the GlobalCapital Sustainable and Responsible Capital Markets Awards 2017.

[16] Sustainalytics had also flagged corporate governance concerns at Fiat Automobiles 18 months prior to the company being accused of breaking emissions laws in 104,000 diesel vehicles in January 2017 [17] In 2015, Harvard Business Review started to include Sustainalytics' ESG Rating as part of its assessment of the 100 best performing CEOs in the world.