Choosing the right Document Signing certificate and Hardware Security Module (HSM) solution for your needs is a matter of determining the use scenario as well as a few other important factors that will help you choose the best available Document Signing option.

Refer to the table below to help you decide. You can buy Document Signing certificates either via your Entrust Certificate Services account or if you do not have an account, on our retail site here .

​If you have any questions or concerns please contact the Entrust Certificate Services Support department for further assistance:

Hours of Operation:

Sunday 8:00 PM ET to Friday 8:00 PM ET

North America (toll free): 1-866-267-9297

Outside North America: 1-613-270-2680 (or see the list below)

NOTE: It is very important that international callers dial the UITF format exactly as indicated. Do not dial an extra "1" before the "800" or your call will not be accepted as an UITF toll free call.