Cherwell District Council, Banbury, England, and South Northamptonshire Council, Towcester, England, are searching for a defined contribution provider, a Cherwell spokesman said.
The councils will jointly appoint a provider to manage all future employee contributions to a new DC plan.
The contract will start May 1, the spokesman said. It is intended to last five years and could be extended by another five years.
The RFP is available on TED. Proposals are due by noon British Summer Time on March 30. A hiring date was not specified.