We are a "Contract" IT Department and consulting group - typically called a Managed Service Provider:
Systems and security managment - such as making sure your computers are up-to-date, antivirus protected, servers are properly provisioned, networks are operating.
Email, file shares, and "business" tools - think Microsoft Office, server shares, SharePoint Online, and client management software
Consulting and Training - what is Information Security, what kind of network do you need for your business, how do you integrate your systems together?
Help Desk w. 24 hour support options - Get a password changed, a printer fixed, a one on one remote walkthrough, or have priority response to a business critical issue