What is the ClickSuper ESA? Support 03 September 2020 06:44 The ClickSuper ESA is the word CLICKSUPER - all in capital letters, no spaces. Related articles What is an electronic service address (ESA)? How can I get an electronic service address (ESA)? As a SMSF, what do I need to provide to my employer? How do I log in to ClickSuper as a SMSF? What is the ESA number?