HelpScout - Help Scout is a simple, straightforward way to provide excellent support
TimeEtc - Time Etc offers virtual assistants for entrepreneurs and professionals.
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
WoodBows - WoodBows provides Dedicated Virtual Assistants based in the USA, Philippines, and India at an affordable price.
Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community
Prialto - Prialto employs expert virtual assistants that can efficiently assist you with challenging tasks.