S-Contacts is an easy to use and app-based/cloud-based solution that allows you to have Exchange GAL offline at your mobile device. No installation on your Servers needed. S-Contacts do support on-premise Exchange (>= 2013) and even Exchange Online (Office 365). This way, users can get access on the contacts of the organisation.
S-Contacts helps your organisation to save hours of time, by automatically updating Contact Information of Employees.
S-Contacts helps you to stay GDPR-Compliant by separating your company contacts from others. So all other Apps are not able to access company data.
S-Contacts Business helps you to stay GDPR-Compliant with to option to query all your Mobiles for Contact Details like Phone Number or E-Mail Address, if there is a request for deleting personal data