AlphaStaff Group Inc., a Fort Lauderdale FL-based professional employer organization, struck a deal to acquire Selective HR Solutions Inc., the PEO subsidiary of the Selective Insurance Group Inc.

The deal is expected to close by Jan. 1, according to Selective Insurance. AlphaStaff will pay Selective Insurance approximately $13 million for its PEO subsidiary, Selective announced.

AlphaStaff said it will add approximately 20,000 worksite employees in the acquisition to the 50,000 it already has.

The PEO said Selective Insurance's agents will also distribute its PEO services.