A practical guide for Canadian business owners By Lil Rourke, CPA, Founder & Fractional CFO – Rourke, CPA Professional Corporation Published November 2025 | Approx. 7-minute read Running a business comes with many moving parts — and one of the most powerful ways to reduce your tax bill is by claiming every legitimate expense you’re entitled to. But knowing what’s deductible  (and what’s not) can be confusing, especially when personal and business costs overlap. This guide bre