Consulting firm Merlinos & Associates Inc. has signed a full-floor, 25,347-square-foot office lease at Summit at Peachtree Parkway in Peachtree Corners. The landlord, OA Development, renovated the lobby, corridors and elevators, and added a fitness center and conference center in 2019. The six-story, 179,617-square-foot building is located at 5550 Peachtree Parkway, 22 miles northeast of downtown Atlanta. Howard Garrett of KW Commercial represented Merlinos & Associates in the transaction. Chip Roach and Stephen Clifton of Transwestern represented the landlord. Merlinos & Associates specializes in property, casualty, health, disability and life actuarial consulting.