EX-31
Rule 13a-14(d)/15d-14(d) Certifications.





I,
Nicholas Galeone, certify that:



1. I
have reviewed this report on Form 10-K and all reports on Form 10-D required to
be filed in respect of the period covered by this report on Form 10-K of the
UBS Commercial Mortgage Trust 2017-C6 (the "Exchange Act periodic
reports");



2.
Based on my knowledge, the Exchange Act periodic reports, taken as a whole, do
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 report;



3.
Based on my knowledge, all of the distribution, servicing and other information
required to be provided under Form 10-D for the period covered by this report
is included in the Exchange Act periodic reports;



4.
Based on my knowledge and the servicer compliance statements required in this
report under Item 1123 of Regulation AB, and except as disclosed in the
Exchange Act periodic reports, the servicers have fulfilled their obligations
under the servicing agreements in all material respects; and



5. All
of the reports on assessment of compliance with servicing criteria for
asset-backed securities and their related attestation reports on assessment of
compliance with servicing criteria for asset-backed securities required to be
included in this report in accordance with Item 1122 of Regulation AB and
Exchange Act Rules 13a-18 and 15d-18 have been included as an exhibit to this
report, except as otherwise disclosed in this report. Any material instances of
noncompliance described in such reports have been disclosed in this report on
Form 10-K.



In
giving the certifications above, I have reasonably relied on information
provided to me by the following unaffiliated parties:



Wells
Fargo Bank, National Association, as Master Servicer, Rialto Capital Advisors,
LLC, as Special Servicer, Wilmington Trust, National Association, as Trustee,
Wells Fargo Bank, National Association, as Certificate Administrator, Wells
Fargo Bank, National Association, as Custodian, Pentalpha Surveillance LLC, as
Operating Advisor, CoreLogic Solutions, LLC, as Servicing Function Participant,
KeyBank National Association, as Primary Servicer, Berkeley Point Capital LLC
d/b/a Newmark Knight Frank, as Primary Servicer, Computershare Trust Company,
National Association, as Servicing Function Participant for the Certificate
Administrator, Computershare Trust Company, National Association, as Servicing
Function Participant for the Custodian, Wells Fargo Bank, National Association,
as Primary Servicer for the Meridian Sunrise Village Mortgage Loan, Rialto Capital
Advisors, LLC, as Special Servicer for the Meridian Sunrise Village Mortgage
Loan, Wilmington Trust, National Association, as Trustee for the Meridian
Sunrise Village Mortgage Loan, Wells Fargo Bank, National Association, as
Custodian for the Meridian Sunrise Village Mortgage Loan, Pentalpha
Surveillance LLC, as Operating Advisor for the Meridian Sunrise Village
Mortgage Loan, CoreLogic Solutions, LLC, as Servicing Function Participant for
the Meridian Sunrise Village Mortgage Loan, Computershare Trust Company,
National Association, as Servicing Function Participant for the Custodian for
the Meridian Sunrise Village Mortgage Loan, Wells Fargo Bank, National
Association, as Primary Servicer for the Burbank Office Portfolio Mortgage
Loan, Situs Holdings, LLC, as Special Servicer for the Burbank Office Portfolio
Mortgage Loan, Wilmington Trust, National Association, as Trustee for the
Burbank Office Portfolio Mortgage Loan, Wells Fargo Bank, National Association,
as Custodian for the Burbank Office Portfolio Mortgage Loan, Park Bridge Lender
Services LLC, as Operating Advisor for the Burbank Office Portfolio Mortgage
Loan, CoreLogic Solutions, LLC, as Servicing Function Participant for the
Burbank Office Portfolio Mortgage Loan, Computershare Trust Company, National
Association, as Servicing Function Participant for the Custodian for the
Burbank Office Portfolio Mortgage Loan, Midland Loan Services, a Division of
PNC Bank, National Association, as Primary Servicer for the DoubleTree
Wilmington Mortgage Loan, Midland Loan Services, a Division of PNC Bank,
National Association, as Special Servicer for the DoubleTree Wilmington
Mortgage Loan prior to May 5, 2023, K-Star Asset Management LLC, as Special
Servicer for the DoubleTree Wilmington Mortgage Loan on and after May 5, 2023,
Wells Fargo Bank, National Association, as Trustee for the DoubleTree
Wilmington Mortgage Loan, Wells Fargo Bank, National Association, as Custodian
for the DoubleTree Wilmington Mortgage Loan, Park Bridge Lender Services LLC,
as Operating Advisor for the DoubleTree Wilmington Mortgage Loan, Computershare
Trust Company, National Association, as Servicing Function Participant for the
Custodian for the DoubleTree Wilmington Mortgage Loan, Midland Loan Services, a
Division of PNC Bank, National Association, as Primary Servicer for the At Home
Portfolio Mortgage Loan, Midland Loan Services, a Division of PNC Bank,
National Association, as Special Servicer for the At Home Portfolio Mortgage
Loan, Wells Fargo Bank, National Association, as Trustee for the At Home
Portfolio Mortgage Loan, Wells Fargo Bank, National Association, as Custodian
for the At Home Portfolio Mortgage Loan, Park Bridge Lender Services LLC, as
Operating Advisor for the At Home Portfolio Mortgage Loan, Computershare Trust
Company, National Association, as Servicing Function Participant for the
Custodian for the At Home Portfolio Mortgage Loan, Midland Loan Services, a
Division of PNC Bank, National Association, as Primary Servicer for the Chelsea
Multifamily Portfolio Mortgage Loan, Midland Loan Services, a Division of PNC
Bank, National Association, as Special Servicer for the Chelsea Multifamily
Portfolio Mortgage Loan, Wells Fargo Bank, National Association, as Trustee for
the Chelsea Multifamily Portfolio Mortgage Loan, Wells Fargo Bank, National
Association, as Custodian for the Chelsea Multifamily Portfolio Mortgage Loan,
Park Bridge Lender Services LLC, as Operating Advisor for the Chelsea
Multifamily Portfolio Mortgage Loan, Computershare Trust Company, National Association,
as Servicing Function Participant for the Custodian for the Chelsea Multifamily
Portfolio Mortgage Loan, Wells Fargo Bank, National Association, as Primary
Servicer for the Bass Pro & Cabela's Portfolio Mortgage Loan, Midland Loan
Services, a Division of PNC Bank, National Association, as Special Servicer for
the Bass Pro & Cabela's Portfolio Mortgage Loan prior to May 10, 2023,
K-Star Asset Management LLC, as Special Servicer for the Bass Pro &
Cabela's Portfolio Mortgage Loan on and after May 10, 2023, Wilmington Trust,
National Association, as Trustee for the Bass Pro & Cabela's Portfolio
Mortgage Loan, Wells Fargo Bank, National Association, as Custodian for the
Bass Pro & Cabela's Portfolio Mortgage Loan, Pentalpha Surveillance LLC, as
Operating Advisor for the Bass Pro & Cabela's Portfolio Mortgage Loan,
CoreLogic Solutions, LLC, as Servicing Function Participant for the Bass Pro
& Cabela's Portfolio Mortgage Loan, Computershare Trust Company, National
Association, as Servicing Function Participant for the Custodian for the Bass
Pro & Cabela’s Portfolio Mortgage Loan, Midland Loan Services, a Division
of PNC Bank, National Association, as Primary Servicer for the 2U Headquarters
Mortgage Loan, Midland Loan Services, a Division of PNC Bank, National
Association, as Special Servicer for the 2U Headquarters Mortgage Loan, Wells
Fargo Bank, National Association, as Trustee for the 2U Headquarters Mortgage
Loan, Wells Fargo Bank, National Association, as Custodian for the 2U
Headquarters Mortgage Loan, Park Bridge Lender Services LLC, as Operating
Advisor for the 2U Headquarters Mortgage Loan,Computershare
Trust Company, National Association, as Servicing Function Participant for the
Custodian for the 2U Headquarters Mortgage Loan, Wells Fargo Bank, National
Association, as Primary Servicer for the Logan Town Center Mortgage Loan, LNR
Partners, LLC, as Special Servicer for the Logan Town Center Mortgage Loan,
Wilmington Trust, National Association, as Trustee for the Logan Town Center
Mortgage Loan, Wells Fargo Bank, National Association, as Custodian for the
Logan Town Center Mortgage Loan, Park Bridge Lender Services LLC, as Operating
Advisor for the Logan Town Center Mortgage Loan, CoreLogic Solutions, LLC, as
Servicing Function Participant for the Logan Town Center Mortgage Loan,
Computershare Trust Company, National Association, as Servicing Function
Participant for the Custodian for the Logan Town Center Mortgage Loan, KeyBank
National Association, as Primary Servicer for the HRC Hotels Portfolio Mortgage
Loan, KeyBank National Association, as Special Servicer for the HRC Hotels
Portfolio Mortgage Loan, Wilmington Trust, National Association, as Trustee for
the HRC Hotels Portfolio Mortgage Loan, Wells Fargo Bank, National Association,
as Custodian for the HRC Hotels Portfolio Mortgage Loan, Pentalpha Surveillance
LLC, as Operating Advisor for the HRC Hotels Portfolio Mortgage Loan,
Computershare Trust Company, National Association, as Servicing Function
Participant for the Custodian for the HRC Hotels Portfolio Mortgage Loan, Wells
Fargo Bank, National Association, as Primary Servicer for the Belden Park
Crossing Mortgage Loan, KeyBank National Association, as Special Servicer for
the Belden Park Crossing Mortgage Loan, Wilmington Trust, National Association,
as Trustee for the Belden Park Crossing Mortgage Loan, Wells Fargo Bank,
National Association, as Custodian for the Belden Park Crossing Mortgage Loan,
Pentalpha Surveillance LLC, as Operating Advisor for the Belden Park Crossing
Mortgage Loan, CoreLogic Solutions, LLC, as Servicing Function Participant for
the Belden Park Crossing Mortgage Loan, Computershare Trust Company, National
Association, as Servicing Function Participant for the Custodian for the Belden
Park Crossing Mortgage Loan, Wells Fargo Bank, National Association, as Primary
Servicer for the National Office Portfolio Mortgage Loan, KeyBank National
Association, as Special Servicer for the National Office Portfolio Mortgage
Loan, Wilmington Trust, National Association, as Trustee for the National
Office Portfolio Mortgage Loan, Wells Fargo Bank, National Association, as
Custodian for the National Office Portfolio Mortgage Loan, Pentalpha
Surveillance LLC, as Operating Advisor for the National Office Portfolio
Mortgage Loan, CoreLogic Solutions, LLC, as Servicing Function Participant for
the National Office Portfolio Mortgage Loan, Computershare Trust Company,
National Association, as Servicing Function Participant for the Custodian for
the National Office Portfolio Mortgage Loan, Wells Fargo Bank, National
Association, as Primary Servicer for the Marketplace at Four Corners Mortgage
Loan, KeyBank National Association, as Special Servicer for the Marketplace at
Four Corners Mortgage Loan, Wilmington Trust, National Association, as Trustee for
the Marketplace at Four Corners Mortgage Loan, Wells Fargo Bank, National
Association, as Custodian for the Marketplace at Four Corners Mortgage Loan,
Pentalpha Surveillance LLC, as Operating Advisor for the Marketplace at Four
Corners Mortgage Loan, CoreLogic Solutions, LLC, as Servicing Function
Participant for the Marketplace at Four Corners Mortgage Loan, Computershare
Trust Company, National Association, as Servicing Function Participant for the
Custodian for the Marketplace at Four Corners Mortgage Loan, Midland Loan
Services, a Division of PNC Bank, National Association, as Primary Servicer for
the 111 West Jackson Mortgage Loan, LNR Partners, LLC, as Special Servicer for
the 111 West Jackson Mortgage Loan, Wells Fargo Bank, National Association, as
Trustee for the 111 West Jackson Mortgage Loan, Wells Fargo Bank, National
Association, as Custodian for the 111 West Jackson Mortgage Loan, Park Bridge
Lender Services LLC, as Operating Advisor for the 111 West Jackson Mortgage
Loan, and Computershare Trust Company, National Association, as Servicing
Function Participant for the Custodian for the 111 West Jackson Mortgage Loan.







Dated: March 14, 2024





/s/
Nicholas Galeone

Nicholas
Galeone

President

(senior
officer in charge of securitization of the depositor)