23-1353: A resolution approving a proposed Amendatory Agreement between the City and County of Denver and GBSM, Inc. to continue providing public engagement and marketing professional services, citywide. Amends an on-call contract with GBSM, Inc., by adding 2 years with a new ending date of 1-14-2026 to continue providing public engagement and marketing professional services, citywide. No change to contract amount. (DOTI-202369343-01/DOTI-202056675-01). The last regularly scheduled Council meeting within the 30-day review period is on 11-13-2023. The Committee approved filing this item at its meeting on 10-10-2023.