Pricing plans

Join PortaSigma, it will take you 1 minute and we will give you 5 signatures for you to test it with your customers and partners.

Buy one of our signature packs, or join one of our plans

Signature packs

If you expect to use PortaSigma sporadically and do not want to commit to a subscription, you can recharge your account with new signatures when needed. Choose one of the following options:

Buy 10 signatures / 10 €

Buy 50 signatures / 40 €

Subscription plans

If you expect to sign many documents on a regular basis, subscribe to one of our plans and control the monthly consumption, without having to worry to recharge your account with more Signatures.

Join us for freetry PortaSigma, and choose the plan which better fits your needs:



  • Up to 100 signatures/month
  • 500 Mb
  • SSL security
  • Enchipered storage



  • Up to 500 signatures/month
  • Up to 5 Gb
  • SSL security
  • Enciphered storage
  • API for developers



  • Up to 1000 signatures/month
  • 10 Gb
  • SSL security
  • Enciphered storage
  • API for developers
  • Multiuser: unlimited users
  • Graphic customization