Baker Tilly International member firm RubinBrown is to merge with Bondi & Co next month.
Bondi & Co has 30 staff providing audit services for public and not-for-profit companies.
The merger will lead to the creation of what is projected to be among the 50 largest accounting firms in the US, and will be made up more than 400 members of staff.
The firm’s current offices located in Englewood and Denver will physically combine in mid September.
Bondi & Co said it aims to offer its clients more comprehensive services with specific industry expertise.
“Our firms’ combined expertise and resources enable us to provide exceptional service to our clients and continue to grow in our markets,” Rubin Brown chairman James G. Castellano said
Rubin Brown is one of the largest accounting and business consulting firms in the US, with more than 400 team members working from offices in St.Louis, Kansas City, Denver and Englewood.