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Useful Ontario Tax Links

Select another province: BC AB SK MB ON QC NB NS PE NF YT NU NT
General Tax Links
Retail Tax Links
Phone Numbers
  • Companies Branch: (416) 314-8880 / 1-800-361-3223 (in Ontario)
  • Employer's Health Tax: (416) 920-9048 / 1-800-263-7965 (in Ontario)
  • Ontario Business Connects Helpline: 1-800-565-1921
  • Ontario Ministry of Labour: (416) 326-7400
  • PST Office: (416)222-3226 / 1-800-668-5810
  • Workplace Safety and Insurance Board: (416) 344 -1000 / 1-800-387-0750 (in Ontario)

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