Execution sequence would be as following:
1. Review of environments and configuration
2. Suggestions / Comments about their deployment
3. Prepare migration plan
4. Execute migration
5. Verify and ensure stability (this should be at least 2 weeks upon completion)
Sharepoint is mainly used as a Documents repository and they also have certain number of reports being executed/stored in sharepoint.
Let me know what kind of additional info You need to be able to quote us for this work.
* We need certified experienced resource for this activity