OpenText technical experts collaborate with supported customers and partners in the Magellan product area.
Documentum, FileNet and Open Text Cloud Presence
Here few points which i know on Open Text Cloud, FileNet. To be frank i don't have much knowledge on Open Text Cloud but I know about IBM if do any wrong please help me out.
IBM offer all major ECM products in cloud:
IBM FileNet P8 Platform
IBM Case Manager
IBM Content Manager OnDemand
IBM Content Navigator
look for details http://www.ibm.com/marketplace/cloud/enterprise-content-management/us/en-us
or just call your ibm sales rep
I hope this helps,