McGrath Law Firm, PA was established in 1995 by Peter G. McGrath. Prior to opening the firm, Attorney McGrath had a successful career as a Federal Prosecutor in Washington, D.C. We have years of success in representing clients? interests and we are dedicated to working for individuals, families, and businesses throughout New Hampshire and Massachusetts. Our areas of practice include personal injury, medical malpractice & wrongful death, negligence & tort law, domestic relations, litigation, criminal defense, real estate, estate planning, environmental law & business law.