Attorney & Founding Partner

Ari Castel, Esq.

Ari Castel, esq

Attorney Ari Castel is the Managing Partner of Castel & Hall, LLP. He represents clients across Massachusetts in personal injury, immigration, criminal defense, civil litigation, and federal litigation. Known for his strategic approach and multilingual advocacy, Ari has earned recognition in state and federal courts as well as before agencies nationwide. Clients from Woburn, Framingham, and the Greater Boston area rely on him for strong courtroom advocacy and innovative problem-solving.

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Trusted leadership at Castel & Hall

Ari earned his Juris Doctor in Massachusetts, an MBA from Strayer University, and a bachelor’s degree in international relations overseas. He also studied Intellectual Property and Corporate Law at the University of Cologne in Germany. His early experience includes an internship with Judge Dennis Curran in Middlesex Superior Court, where he gained civil litigation expertise.



He further trained with international tribunals, including the International Court of Justice, International Criminal Court, and the Special Court of Sierra Leone, building a unique global perspective that now shapes his Massachusetts practice.

A broad practice with focused results


  • Criminal Defense: OUI, drug charges, domestic allegations, property crimes – frequently handling cases in Woburn District Court, Framingham District Court, and Middlesex Superior Court.


  • Immigration: Family immigration, asylum, waivers, deportation defense, humanitarian visas, and appearances at the Boston Immigration Court.


  • Personal Injury: Motor vehicle accidents, catastrophic injury, and premises liability – including multimillion-dollar settlements for injured clients.



  • Federal & Civil Litigation: Representation in U.S. District Court, Bankruptcy Court, and before state and federal agencies.

Bar Admissions and Tribunals

  •  Massachusetts State Court
  • United States Federal Court
  • United States Bankruptcy Court
  • United States Immigration Court
  • Massachusetts State and Federal Agencies
  • United States Supreme Court

Multilingual

advocacy for diverse communities

Ari works extensively with Massachusetts’ immigrant and bilingual communities. He and the Castel & Hall team provide services in English, Spanish, Portuguese, French, and Haitian Creole. His outreach includes volunteer work with Catholic Charities and partnerships with local organizations across MetroWest and the North Shore.

Results & Recognition

Our team includes attorneys fluent in English, Spanish, Portuguese, French, and Haitian Creole. This multilingual strength allows clients to feel confident and supported in every step of their case.

Ready to Talk?

Clients can schedule meetings by phone, secure form, or Zoom. Ari offers flexible consultations to meet the needs of busy clients throughout the Commonwealth.

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