Peterson, a private equity firm, completed the investment in Black Mountain Software, a provider of fund accounting, payroll and utility billing solutions for local governments and schools. Financial terms were not disclosed. “Peterson was our capital partner of choice from the beginning given their outstanding reputation of being genuine partners with the businesses they invest in. We are grateful to be able to leverage Peterson’s experience scaling businesses and their network of operational experts,” Jack Liebschutz, Black Mountain Software co-founder and director.