Plunkett Cooney
Law PracticeMichigan, United States201-500 Employees
Plunkett Cooney is a law practice offering transactional and dispute-resolution services to clients across Michigan, Illinois, Indiana, and Ohio. The firm is headquartered in Bloomfield Hills, Michigan, and maintains a regional footprint in the Midwest. It holds Martindale-Hubbell's AV rating, indicating peer-recognized professional excellence. The firm has received industry recognition, including being named ALFA International's Law Firm of the Year in 2022 and holding the Mansfield Rule Certification Plus designation for diversity, equity, and inclusion. In March 2026, Mary Massaron, a partner and appellate attorney at Plunkett Cooney, was named a 2026 John P. Jacobs Appellate Advocacy Award recipient by the Michigan Defense Trial Counsel.