I'm a Microsoft Certified Solutions Associate (MCSA) with office 365. I can help you with administrating office 365 based applications like exchange online, SharePoint online and skype for business. Whatever your business need, i can help out that.
With this basic Gigs
Register and verify your custom domain
Check you office 365 admin portal for any questions you have regarding your tenant
Setup trial licencing if you interested in trailing something office for features etc.
For other services, you pay extra:
setting up users and group mailboxes
setting up shared mailboxes
setting up public folders
moving .pst to cloud
For small and medium size businesses, I provide on-prem services. Please get in touch to discuss this further.