A technology firm and a financial advisory company have both signed leases for a combined 9,191 square feet at 80 Central St. in Boxborough.

Nanomanufacturing technology company Applied Materials Inc. is relocating from Chelmsford into 6,109 square feet of office space on the second floor at 80 Central.

Sohn & Assoc., a financial advisory practice of Ameriprise Financial Services Inc., signed a new lease for 3,082 square feet of office space on the first floor of 80 Central Street. The firm is relocating from Concord, according to a statement.

Brian McKenzie, partner, and Robert Byrne, assistant vice president, of Boston brokerage Richards Barry Joyce & Partners represented landlord KBS Realty Advisors in the transactions. Applied Materials was represented by Brian Tisbert of Colliers Meredith & Grew. John Coakley of Grubb & Ellis represented Sohn & Assoc.

80 Central Street is a 149,528-square-foot office building built in 1988, and renovated in 1995 by 3Com Corp, RBJ&P said.