Diane O'Brien EA is a tax professional serving Swampscott, MA, with services for individuals and businesses. The profile information points to support for business tax preparation, individual tax preparation, tax planning, and broader tax services.

The practice also references IRS notice and audit help, along with tax resources such as forms, due dates, taxpayer rights, record retention guidance, worksheets, and financial calculators. Client-facing site sections identify support for new clients and prior clients, plus a client portal and appointment scheduling options.

Listed client focuses include individuals and businesses, with page navigation referencing performing arts support, graphic designers, professional consultants, real estate tradesmen, actors, and musicians. Remote availability is included in the supplied profile facts.