Shaheen Guerrera & O'Leary, LLC (SGO) is a full service law firm that has an established reputation throughout Massachusetts and New Hampshire for providing individuals and businesses with expert legal advice and representation.

Our team approach draws on our collective experience as well as the individual specialties of each of our partners offering our clients access to a broad spectrum of advice and conflict resolution in the areas of:


  • Civil Litigation
  • Civil Rights Law
  • Collaborative Law
  • Domestic Relations/Family law
  • Estate Planning and Probate Law
  • Mediation
  • Personal Injury


  • Business and Commercial Matters
  • Consumer Litigation
  • Creditor's Rights
  • Employment Law
  • Family Business

Real Estate

  • Commercial and Residential Real Estate Transactions
  • Condominium Law
  • Environmental
  • State and Local Permitting
  • Subdivision Development

Our clients choose SGO because:

  • From mediation to litigation, SGO achieves success
  • We provide cost effective case management
  • Clients have access to their partner attorney and receive personal attention
  • Our team approach maximizes areas of expertise
Click Here to read what our clients say about us

Let Us Help You


Email SGO, LLC:

Conveniently Located At:

820A Turnpike St.
North Andover, MA 01845

Conveniently located in North Andover, Massachusetts and Manchester, New Hampshire, our clients benefit from our commitment to personal attention and results.
To schedule a consultation, call us at 978 689-0800 or email