The Vistria Group has announced it has invested in Flores & Associates.

Flores, based in Charlotte, N.C., is a provider of benefit technology solutions and administrative services to employers throughout the United States. Founded in 1986, the company is an administrator of employer-sponsored reimbursement plans, including flexible spending accounts, health savings accounts and health reimbursement accounts and other types of accounts.

The Vistria Group, based in Chicago, focuses on making investments in middle market companies in healthcare and a few other industries. Founded in 2013, the firm pursues control and minority equity investments and prefers to make more substantial investments from a dollars perspective in companies with at least $100 million in revenue.

As part of the transaction, The Vistria Group and Century Equity Partners will each hold equal ownership

Century, based in Boston and founded in 1987, focuses exclusively on making private equity investments in lower middle market financial services companies. 

Terms of the investment were not disclosed.