About

Thomas C. Tretter is an experienced attorney who has been practicing law since 1990. Licensed in Massachusetts and New Hampshire, he provides strong legal representation in complex disputes and legal claims. His work at Sheehan, Schiavoni, Jutras & Magliocchetti, LLP, focuses on civil litigation, criminal defense, personal injury, and workers’ compensation law matters. Throughout his career, he has helped individuals and businesses resolve difficult legal issues while protecting their rights. He is known for delivering practical legal solutions and guiding clients toward effective outcomes through skilled advocacy and negotiation.

Thomas earned his J.D. from New England Law in Boston, Massachusetts, in 1990. He completed his undergraduate studies at the College of the Holy Cross in Worcester, Massachusetts, where he received a B.A. in History in 1987. His education provided a strong academic foundation in legal principles, research, and advocacy. The combination of legal training and analytical study prepared him to approach legal disputes with a careful strategy and a clear understanding of the law and the judicial process.

Thomas began his legal career with the City of Boston Law Department as an Assistant Corporation Counsel after graduating from law school. In this role, he served as lead trial counsel in hundreds of cases involving personal injury claims, civil rights actions, and employment and labor disputes. He represented the City in both state and federal courts and argued appeals before the Massachusetts Appeals Court and the U.S. Court of Appeals for the First Circuit. This experience strengthened his litigation skills and ability to manage complex legal matters.

Thomas C. Tretter later focused his practice on civil litigation matters, including motor vehicle negligence, premises liability, workers’ compensation, employment claims, and domestic relations cases. He has also handled disputes involving mortgages, foreclosure challenges, and landlord-tenant issues. In addition, he serves as an arbitrator for FINRA and the National Futures Association, helping resolve financial industry disputes. His extensive courtroom experience and work in dispute resolution allow him to help clients reach fair and effective legal outcomes.

Law Office Affiliations

  • Attorney, The Law Offices of Morton J. Shuman, P.C.
  • Member, New Hampshire Bar Association
  • Member, Haverhill Bar Association
  • Member, Essex County Bar Association

Licensed State

  • Massachusetts
  • New Hampshire

Education

  • New England Law, Boston
    Juris Doctor (JD)
  • College of the Holy Cross
    BA in History

Awards & Badges


New Hampshire Bar Association Essex County Bar_Association Massachusetts Bar Association
Criminal Defense
  • Restraining Orders
  • Violent Crime
Lawsuits & Disputes
  • Litigation
Personal Injury
  • Car Accidents
  • Motorcycle Accidents
  • Slip & Fall Accidents
  • Trucking Accidents
  • Wrongful Death
Business
  • Business Litigation
Employment
  • Workers' Compensation

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