AMG Funds I N-CSR Certified annual shareholder report (management investment company)

CERTIFICATION FILED AS EXHIBIT 13(B) TO FORM N-CSR

Name of Issuer: AMG FUNDS I: AMG FQ TAX-MANAGED U.S. EQUITY FUND, AMG FQ LONG-SHORT EQUITY FUND, AMG FQ GLOBAL RISK-BALANCED FUND, AMG FRONTIER SMALL CAP GROWTH FUND, AMG MANAGERS EMERGING OPPORTUNITIES FUND, AMG MANAGERS CENTERSQUARE REAL ESTATE FUND, AND AMG GW&K CORE BOND FUND

In connection with the Report on Form N-CSR of the above-named issuer that is accompanied by this certification, the undersigned hereby certifies, to his knowledge, 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 issuer.

Dated: January 8, 2018	/s/ Jeffrey T. Cerutti
	Jeffrey T. Cerutti
	Principal Executive Officer

CERTIFICATION FILED AS EXHIBIT 13(B) TO FORM N-CSR

Name of Issuer: AMG FUNDS I: AMG FQ TAX-MANAGED U.S. EQUITY FUND, AMG FQ LONG-SHORT EQUITY FUND, AMG FQ GLOBAL RISK-BALANCED FUND, AMG FRONTIER SMALL CAP GROWTH FUND, AMG MANAGERS EMERGING OPPORTUNITIES FUND, AMG MANAGERS CENTERSQUARE REAL ESTATE FUND, AND AMG GW&K CORE BOND FUND

In connection with the Report on Form N-CSR of the above-named issuer that is accompanied by this certification, the undersigned hereby certifies, to his knowledge, 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 issuer.

Dated: January 8, 2018	/s/ Thomas Disbrow
	Thomas Disbrow Principal Financial Officer