Accountant | Tax Preparer | Bookkeeper | ITIN & Business Specialist
I help small businesses in Cape Cod, MA get organized, stay compliant, and pay less taxes.

At GSC Tax Services, we specialize in:
• Business tax returns (1120, 1120S, 1065)
• Personal taxes (1040)
• ITIN application & Acceptance Agent
• EIN, LLC formation & S-Corp election
• Monthly bookkeeping (QuickBooks)
• Payroll & DUA/SUI compliance
• IRS letters & tax resolution