Mailfence is a top competitor of Proton . Mailfence was founded in 1999, and its headquarters is in Brussels, Brussels-Capital Region. Like Proton , Mailfence also competes in the Software, Internet & Computer Services field. Mailfence has 418 fewer employees than Proton .
Hush Communications Canada Inc. is Proton 's #3 rival. Hush Communications Canada Inc. was founded in Vancouver, British Columbia} in 1998. Like Proton , Hush Communications Canada Inc. also works within the Software, Internet & Computer Services industry. Compared to Proton , Hush Communications Canada Inc. generates $9M less revenue.