Where is Brightside based? Kelly May 04, 2021 14:59 Updated We're based in Alberta (and proud to call it our home!). If you want to send us a postcard, you can send it to: Brightside 3699 63 Ave NE Calgary, AB T3J 0G7 We love getting mail! Want to learn more about Brightside? Check out this article. Related articles Is Brightside secure? What is Brightside? Does Brightside offer overdraft protection? What are buckets? What is INTERAC e-Transfer®?