Hello,
We have gone through your specification and can help with building "office excel add-ins" to be posted on Office add-ins store
as per specification and can start by the time you hire.
Office 365 Expertise:
Some of our past projects dealt with:-
•Create and configure office 365 tenants with custom domains.
• Purchase & manage product licences for O365 users.
•Create users & groups and assign product licences.
•Manage office 365 products – SharePoint online, Exchange online, Teams, etc
•Create and configure Microsoft teams, channels,custom tabs, sharepoint document library.
• Create Teams policies through Teams admin center.
•Create and configure SharePoint online sites and manage admin center.
• Create and configure Exchange online mail box and custom security rules.
•Define mail flow rules to encrypt email messages in office 365.
Let's connect and we can have a quick discussion regarding your requirement in detail.
Regard!