FirstSun Capital Bancorp operates as a bank holding company for Sunflower Bank that provides a range of commercial and consumer banking, and financial services to small and medium-sized companies. The company offers deposit products, including noninterest bearing accounts, interest-bearing demand products, checking and savings accounts, money market and term certificate accounts, and certificates of deposit. It also provides commercial and industrial, owner-occupied and non-owner occupied commercial real estate mortgage, 1-4 family, home equity, and multi-family loans, as well as consumer loans comprising direct consumer installment loans, credit card accounts, overdrafts, and other revolving loans. In addition, it provides remote deposit and cash management products; treasury management products and services; and wealth management and trust products, including personal trust and agency accounts, employee benefit and retirement related trust and agency accounts, investment management and advisory agency accounts, and foundation and endowment trust and agency accounts. It provides its services through branches in Kansas, Colorado, New Mexico, Texas, and Arizona. The company was formerly known as Sunflower Financial, Inc. and changed its name to FirstSun Capital Bancorp in June 2017. FirstSun Capital Bancorp was founded in 1892 and is headquartered in Denver, Colorado.