After spending the past few years building its presence in Philadelphia and North Jersey,Haddonfield, N.J.-based Archer & Greiner has announced plans to open an office in Monmouth County, N.J., with the addition of the three principals from area firm Nelson Supko & Hanlon, effective October 1.

The office, located in Shrewsbury, N.J., will be managed by Nelson Supko managing partner Brian M. Nelson, who will join Archer & Greiner as a partner.