Taxaroo

Taxaroo is a secure online platform that allows you to manage your tax workflow end to end. This includes some pretty awesome capabilities: 
Collect client information & documents securely 
Automate invoicing & payments 
Allow clients to review final tax returns and electronically sign 
Manage your practice across a team with built-in workflow 
Our research has shown that most tax and accounting firms will replace 8 tools by moving onto the easy-to-use Taxaroo platform.