Accellis Technology Group is a specialized IT services company located in Ohio providing managed IT services, cybersecurity, software consulting, and application development. They target small to mid-sized firms with 5-250 users in legal, financial, and non-profit verticals. The document discusses several lesser known Office 365 apps including Teams for chat, video calls, meetings, and file sharing; SharePoint for news, files, lists, and calendars; Planner for kanban project management; and Yammer, Flow, Forms, PowerApps, and Stream for internal collaboration and processes.