HFF 10-Q 2018 Q3 Quarterly report

Exhibit 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO SECTION 906 OF

THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of HFF, Inc. (the “Company”) on Form 10-Q for the period ended September 30, 2018 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Mark D. Gibson, Chief Executive Officer of the Company, and Gregory R. Conley, Chief Financial Officer of the Company, each certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

(1) the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated: November 6, 2018	By:	/s/ Mark D. Gibson
		Mark D. Gibson
		Chief Executive Officer, Director and
		Executive Managing Director
		(Principal Executive Officer)

Dated: November 6, 2018	By:	/s/ Gregory R. Conley
		Gregory R. Conley
		Chief Financial Officer
		(Principal Financial andAccounting Officer)