Is there an annual subscription option for Enterprise? Follow No. Currently, the only plan that is offered is the Enterprise monthly subscription at the price of $9.99 per Sideline number. Questions? submit a request. Related articles Sideline Standard vs. Sideline Pro Compare Sideline Account Types (Enterprise) Managing your Subscription Contact Support Do I need to have a Sideline account to sign up for Enterprise? Comments 0 comments Please sign in to leave a comment.