HealthRight L.L.C., of Conshohocken, has agreed to acquire HealthNext L.L.C., a Philadelphia company that offers employers roadmaps for reducing health-care costs, HealthRight said Thursday.

The price was not disclosed, but John Palumbo, chief executive of HealthRight, which provides consumer health services online, estimated the combined value of the two companies at $100 million.

Together, the two firms have 200 employees, Palumbo said. He said HealthNext's principals will become part of senior management at HealthRight.

In addition to Conshohocken, HealthRight has offices in San Francisco, and Largo, Fla.