Stichting Sustainability Impact Metrics (SSIM) is a spin-off of the Delft University of Technology.
Since 1998, SSIM is a partnership between Aiming Better, a private company of Joost Vogtländer, and the Delft University of Technology, to develop the eco-costs system and the Idemat LCIs.
SSIM is a nonprofit Foundation.

To enable practical LCA and CSRD calculations, this website provides:
– over 58.000 eco-costs of emissions of specific substances
– over 2.200 IDEMAT eco-costs on materials, processes, energy, and transport
(140.800 LCI datapoints)