MJ Tax & Business Services, LLC is a full-service tax, accounting and business consulting firm based in Fairhaven, Massachusetts. The firm supports individuals and businesses with practical services intended to clarify financial information and make tax responsibilities easier to manage. Its accounting offerings include small business accounting, bookkeeping, payroll and business advisory services, as well as QuickBooks setup, question support and tune-ups. Tax services include individual and business tax preparation, tax planning and help with tax matters such as back taxes, unfiled returns, payroll tax problems, IRS audits, liens, levies and wage garnishments. The firm also assists with offers in compromise and innocent spouse relief.

MJ Tax serves clients in industries including construction, dentistry, healthcare, hospitality, law, manufacturing and real estate. Its website offers tax resources such as refund tracking, due dates, forms, record-retention guidance, newsletters and financial calculators. The firm emphasizes clear reporting, helpful service and consultations to understand clients’ needs.