Insights

Tutorials

How to Calculate and Charge GST, HST, and QST on Your Invoices

Canada has three sales tax systems — a single HST line, Quebec's separate GST + QST, and GST with provincial taxes on top. Which one goes on your invoice depends on your client's province, not yours. Here's how to calculate each, with worked examples and 2026 rates.

Tutorials

How to Create a Professional Invoice Using InvoiceCast

Sending an invoice shouldn't eat up your afternoon — and getting the tax right shouldn't mean a calculator and a spreadsheet. Here's how to create a professional invoice with GST/HST/QST handled for you, in just a few minutes. Video walkthrough included.

Industry Insights

What Makes an Invoice Look Professional (And Get You Paid Faster)

A professional invoice gets you paid faster, builds trust, and gets your GST/HST/QST right. Here's what every Canadian invoice should include.