Liverpool-based Aztec Interiors (Northern), part of the Aztec Group, has won a six-figure contract to fit out the new 22,000 sq ft headquarters for One Vision Housing at Atlantic Park in Sefton.
Aztec beat four other firms on the shortlist to win the eight-week contract to prepare the first and second floors of the three-storey office.
Housing association One Vision will move 200 staff to the Royal London Asset Management-owned park when its office is finished.
One Vision will seek to sublet the remaining 11,000 sq ft ground floor office suite. The company was formed in October 2006 to take over Sefton council's housing stock.