A commercial bankruptcy and litigation law firm has grown out of its office and is expanding to make room for at least four new hires.

Bridgeport-based Zeisler & Zeisler will move its 27-person operation in June. The law firm, which currently has 11 lawyers, is moving about a mile, from a 1920s Tudor-style house on Clinton Avenue to a sleek, 18-story office tower near the Metro-North train station.