Organizations of all sizes can now access the highest level of e-signature security services under European and Swiss law. SignIUS is powered in the back end by Cryptomathic’s Signer, and brings the security and non-repudiation advantages of eIDAS compliant signatures to a broad range of organizations, from small to medium-sized businesses (SMBs) to banks, government institutions and other large enterprises. To address the varying customer requirements across the market, two service options are available.
Source: https://www.helpnetsecurity.com/2021/07/22/signius-cryptomathic/