FirstSun Capital Bancorp operates as a bank holding company for Sunflower Bank that provides commercial and consumer banking and financial services to small and medium-sized companies in Texas, Kansas, Colorado, New Mexico, and Arizona. The company offers deposit products, including noninterest bearing accounts, interest-bearing demand products, checking and savings accounts, money market and term certificate accounts, certificates of deposit, and treasury management products and services. It also provides loan products comprising commercial and industrial loans, commercial real estate loans, residential mortgage loans, and small business administration loans, as well as consumer loans, such as personal, 1-4 family, home equity, multi-family, credit card accounts, overdrafts, and other revolving loans. In addition, it offers remote deposit and cash management products; wealth management and online banking products and services; 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. 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.