Exhibit 31.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

I, Ruediger Adolf, certify that:

1.I have reviewed this annual report on Form 10-K/A of Focus Financial Partners Inc.; and

2.Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this annual report.

	/s/ RUEDIGER ADOLF
	Ruediger Adolf
	Chairman and Chief Executive Officer
Date: April 19, 2023