Reliance Tax Services — accounting and tax services in Calgary

Free tool

Corporate tax deadline calculator

Enter your fiscal year end and get your corporate tax payment date, your T2 and Alberta AT1 filing dates, and your GST dates. Weekends and public holidays are rolled forward to the next business day.

Work out your corporate deadlines

Enter your fiscal year end and this will give you the corporate tax payment date, the T2 and Alberta AT1 filing dates, and your GST dates. Weekends and public holidays are rolled forward to the next business day.

Corporate income tax

Is it a CCPC claiming the small business deduction?
Prior-year taxable income, including any associated corporations

GST/HST

This tool assumes a corporation resident in Alberta. It does not cover instalments, and it does not apply to sole proprietors or partnerships, whose GST dates work differently. The three-month corporate payment date depends on conditions in both the current and prior year, so treat the result as a guide and confirm it with us before you rely on it.

Talk to us before you commit to anything

Thirty minutes, no charge, and a straight answer on whether we're the right fit — including when we're not. You'll have the scope and the fee in writing before any work starts.