Google Apps is a great platform to use to run the admin side of your business. Its a montly service, starting from £3.33/$5 per month.
Google Apps Includes - GMail- A personalised business email (Example at yourbusinessname.com) - Hangouts- Voice and Video Calling made easy - Calender - Drive- Cloud storage (Additional storage can be bought) - Collaborate with- Docs, Sheets, Forms, Slides, and sites (websites for you teams)
Apps allows you to seamlessly run your business from one place. You can share calenders with multiple employees to ensure youre all on the same page.
I can set all this up for you and tweak it to ensure it is set up ready for you to do business. Because this is a web based program, you can use this on any device, whether its mobile, tablet, PC or MAC.