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T5018 Filing for Ontario Contractors: Who Files, When, and What Missing It Costs
Who files a T5018, the $500 threshold, the six-month deadline and the penalties, plus the four places Ontario contractors get it wrong.
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Construction Holdbacks in Ontario: HST Timing, WIP, and the 2026 Annual Release Rules
Ontario's mandatory annual holdback release started January 1, 2026. How holdbacks hit your HST return, your WIP schedule and your corporate tax bill.
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Subcontractor or Employee? CRA Worker Classification Rules for Ontario Contractors
A signed agreement does not decide worker status. The four CRA tests, the trades fact pattern auditors look for, and what a reclassification actually costs.
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