Another thumbs up for SVB. The real value is in the the personal manager they provide.
We use ADP for payroll - they are a little expensive
In terms of managing your finances it can be broken into two - Accounting (or preparing for taxes) I would check with your accountant for their preferences. Most smart ones will suggest an online app which saves them having to come to you(and saves you money!). If you don't have an accountant yet just pick one that you can invite your accountant to: Outright.com, Kashoo.com, LessAccounting.com or QB online are all good. - Finances (or managing your dollars) There's a new group of applications that some are calling BFM (business finance management) or CFM (cash-flow management). They could be described as Mint.com for small business. billFLO.com (us) and indinero are probably the best known at this point.
Good luck! Ian