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If you would like to use any of our below business services, please login to GuamTax.com
  • E-File GRT
  • E-File SWICA
  • E-File W-1
  • E-File W-3/W-2GU
  • Renew Business License
  • Vehicle Safety Inspection Companies: submit Vehicle Inspection Reports.
  • Vehicle Insurance Companies & Agents: submit Vehicle Insurance Policies.