Clayton Holdings LLC, a provider of staffing and other services to the mortgage industry, acquired Red Bell Real Estate LLC and sister company Main Street Valuation LLC.

Red Bell provides technology products to help real estate sellers better understand local markets in the US, according to the companies. Terms of the transaction were not announced.

“This acquisition significantly enhances the array of sophisticated solutions that we can offer to our respective clients,” said Clayton President Joe D’Urso.

Clayton is based in Shelton, Conn., and provides information and services to evaluate and monitor loans and asset-backed securities. Its offerings include risk-based analytics, residential loan due diligence, consulting, surveillance and staffing solutions.