Constellation Software (CSU) F-7Registration of securities, offered for cash upon the exercise of rights granted to existing security holders

Exhibit 3.1

AUDITORS’ CONSENT

The Board of Directors

Constellation Software Inc.

We consent to the use of our audit report, dated March 29, 2023, on the consolidated financial statements of Constellation Software Inc. (the “Entity”), which comprise the consolidated statements of financial position as at December 31, 2022 and December 31, 2021, the consolidated statements of income (loss), comprehensive income (loss), changes in equity and cash flows for each of the years then ended, and notes to the consolidated financial statements, including a summary of significant accounting policies, which is included in the Registration Statement on Form F-7 dated August 7, 2023, of the Entity.