You can choose to upgrade your Teamwork Projects subscription from the settings area of your site.
To view a list of available plans you can check our pricing page or they will be displayed when upgrading.
To upgrade, select 'settings' to the top right of your Teamwork Site and then 'subscription' from the drop down menu:
On the subscription page you will see the plan you are currently on and the various upgrade options. You can choose to view prices in monthly or annual payments. Each plan has a list of features and you can choose which plan you would like underneath each.
If you wish to upgrade to the 'Enterprise plan' you can choose to contact us.
On this page there is also downgrade options if you wish to change to a plan with fewer features.
For more information see: Upgrading your subscription when using PayPal