FirstSun Capital Bancorp operates as the bank holding company for Sunflower Bank, National Association that provides commercial and consumer banking and financial services to small and medium-sized companies in Texas, Kansas, Colorado, New Mexico, Arizona, California, and Washington. It offers noninterest and interest-bearing deposit accounts, checking and savings accounts, money market and term certificate accounts, and treasury management products and services, as well as certificates of deposit. The company also provides 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.