Gusto
Gusto is a modern, online people platform that helps small businesses take care of their teams. On top of full-service payroll, Gusto offers health insurance, 401(k)s, expert HR, and team management tools.
ThinkHR
A people risk management service that offers an end-to-end approach to HR, compliance, and people risk management.
Rippling
If you've outgrown Gusto or are looking to combine payroll and benfits with the IT components of onboarding, then Rippling might be right for you. They make it easy to manage your team's payroll, benefits, hardware (computers, phones, etc), and apps — all in one, modern platform.