Complete guide to GST/HST for Canadian Shopify, Amazon, Faire, and TikTok Shop sellers. Covers registration thresholds, province-by-province tax rates, Shopify configuration, multi-platform reconciliation, and filing requirements.

Karim Bitar is the lead accountant at BBA Tax Accounting Services in Ottawa and an ELITE Certified QuickBooks ProAdvisor. He and his team prepare personal and corporate tax returns, keep the books for small businesses, handle GST/HST and payroll filings, and represent clients during CRA reviews and audits. His articles explain Canadian tax rules in plain language.


Complete guide to GST/HST for Canadian Shopify, Amazon, Faire, and TikTok Shop sellers. Covers registration thresholds, province-by-province tax rates, Shopify configuration, multi-platform reconciliation, and filing requirements.

The most costly e-commerce bookkeeping mistakes Canadian online sellers make — from ignoring hidden platform fees on Shopify, Amazon, and Faire to missing multi-province sales tax obligations. Learn what each mistake costs and how to fix it.

One of the most common mistakes new entrepreneurs and self-employed individuals make is mixing personal and business expenses. While it may seem harmless at first, poor expense separation can lead to inaccurate bookkeeping, higher taxes, and increased risk of a CRA audit.

Accounting fees in Canada vary widely depending on complexity, business structure, and the level of professional support required. While some individuals only need annual tax filing, businesses often require ongoing bookkeeping, compliance monitoring, and CRA advisory services.

The Canada Revenue Agency has the authority to review, reassess, and audit past tax returns—but those powers are not unlimited. Understanding CRA time limits, exceptions, and record-keeping rules is critical for protecting yourself from unexpected reassessments and penalties.

GST/HST registration is one of the most misunderstood obligations for Canadian business owners. Many individuals and corporations fail to register on time, while others register unnecessarily—both of which can lead to CRA penalties, interest charges, and audits.

Understanding which expenses a corporation can legally write off in Canada is essential for minimizing taxes and avoiding CRA audits. While corporations are entitled to deduct reasonable business expenses…

Understanding the difference between a T1 self-employed tax return and a T2 corporate tax return is essential for Canadian business owners.