Tax Software · AB

Tax Software for Alberta Accounting Firms

T1 season pipelines and staggered T2 year-ends tracked on one board.

Canadian accounting professionals — Tax Software for Alberta Accounting Firms

Tax software for Alberta accounting firms means tracking the work rather than keeping the books: Alberta clients charge 5% GST and no provincial sales tax, and every corporate file runs a T2 six months after its fiscal year-end with the balance due earlier. SpidNums puts those obligations on one colour-coded board, hosted in Canada.

Updated July 2026Facts last verified 22 July 2026
5%

Combined GST rate in Alberta

CRA

2%

Alberta small-business rate on the first $500,000

TaxTips.ca, 2026

9%

Federal small-business rate on the first $500,000

CRA

137,182

Small employer businesses in Alberta

ISED, December 2024

How does tax software work for firms in Alberta?

The CRA administers the GST. Alberta levies no provincial sales tax. Alberta is the only province with no provincial sales tax, so Alberta clients file GST returns only.

Sales tax is the simplest part of an Alberta tax engagement. Clients charge 5% GST and file one return; there is no provincial sales-tax account to reconcile at year-end and no second registration to authorize.

Managing tax software across a client book in Alberta

Tax practices lose returns to process, not to preparation: a file waiting on one slip looks identical to a file being worked, and a corporate year-end six months back has a filing date nobody is watching.

A four-person Calgary practice serving oilfield-services corporations tracks two returns per corporate client: the federal T2 and the Alberta AT1. Sales tax is the easy part — GST only, one cadence, no PST registration. The compliance weight sits in the doubled corporate filing and in year-ends that cluster around the fiscal calendars of the operators these clients contract to.

Do Alberta clients file a separate provincial return?

Alberta administers its own corporate income tax. A corporation with a permanent establishment in Alberta files the federal T2 with the CRA and a separate Alberta AT1 return with Alberta Tax and Revenue Administration.

The CRA administers Alberta personal income tax through the federal T1.

Model the AT1 as its own obligation on the client record rather than as a step inside the federal file. Two returns with two administrations means two sets of correspondence, two authorization relationships and two things that can be outstanding — and a stage buried inside another file is a stage nobody can see is stuck.

What is different about running a practice in Alberta?

Four things a firm working Alberta files should be able to state without looking them up. Each is verified against a primary source, linked at the foot of this page.

CPA Alberta is the provincial body; 137,182 of Alberta's 139,514 employer businesses were small businesses as of December 2024.

  • No provincial sales tax — Alberta is the only province without a provincial sales tax. Alberta businesses charge 5% GST and file a single sales-tax return with the CRA — there is no PST, RST or QST registration to track.
  • Lowest general corporate rate in Canada — Alberta's general corporate income tax rate is 8%, the lowest provincial general rate in Canada, and its small-business rate is 2% on the first $500,000 of active business income.
  • A second corporate return: the AT1 — Alberta Tax and Revenue Administration administers the Alberta Corporate Tax Act. Corporations with a permanent establishment in Alberta must file an Alberta AT1 return in addition to the federal T2 — one of only two provinces (with Quebec) that require a separate corporate filing.
  • Fourth-largest business base — Alberta had 139,514 employer businesses as of December 2024, of which 137,182 were small businesses.

Which CRA deadlines apply?

These rules are federal and apply in every province and territory. Where a due date falls on a weekend or public holiday, the CRA treats the next business day as on time — compute the shifted date each year rather than carrying the calendar forward.

Which CRA deadlines apply?
FilingApplies toFiling deadlinePaymentIf it is late
T1 personal income tax returnMost individuals.File and pay by April 30 of the following year. Where April 30 falls on a weekend or public holiday, the CRA treats the next business day as on time.Any balance owing is due April 30.Late filing costs 5% of the balance owing plus 1% for each full month late, to a maximum of 12 months. Where a late-filing penalty applied in any of the three prior years and the CRA issued a demand to file, the penalty rises to 10% plus 2% per month for up to 20 months. Compound daily interest runs on unpaid balances from May 1.
T1 for self-employed individualsIndividuals with self-employment income and their spouses or common-law partners.File by June 15. The extended filing date applies to the return only.Any balance owing is still due April 30. Interest accrues from May 1 regardless of the June filing window — this is the single most-missed rule in Canadian personal tax.The same 5% plus 1% per month structure applies, computed from the June 15 filing date; interest runs from the April 30 payment date.
T2 corporation income tax returnEvery resident corporation, every tax year, even with no tax payable.File within six months after the end of the corporation's tax year. Where the year-end is the last day of a month, the return is due the last day of the sixth following month; otherwise it is due the same day of the sixth month.The balance of tax is due earlier than the return: generally two months after year-end, or three months for eligible Canadian-controlled private corporations claiming the small business deduction. Filing on time is not paying on time.5% of the unpaid tax plus 1% per complete month late, to a maximum of 12 months. Repeated failure raises it to 10% plus 2% per month for up to 20 months.

How SpidNums handles it

SpidNums models the firm as clients, services and work. Assigning a typed service to an Alberta client is what generates the recurring projects, the stages and the reminders — the cadence is recorded once rather than remembered each period.

Every open obligation is then ranked by how close its due date sits and coloured accordingly, so the morning question — what is late, what is close, what is fine — is answered by looking.

  • T1 season projects with document-chase, prep and review stages
  • Fiscal-year-end-driven T2 reminders at year-end minus one month
  • Separate tracking for the filing deadline and the earlier balance-due date
  • Kanban or table views per engagement type
  • Reminder digests to the assigned preparer
  • E-signed engagement letters before work opens

Where this goes wrong

Tax practices rarely fail at the preparation. They fail at the edges of the engagement, where a file is waiting on something and looks exactly like a file being worked.

  • The filing date is tracked and the earlier balance-due date is not, so a return filed on time still accrues interest.
  • A corporate client's year-end changes and the reminder rule still points at the old month.
  • A file stalls waiting on one slip and nobody chases it, because a stalled file and a working file look the same on a desk.
  • The June 15 self-employed tail is forgotten after the April push, along with the April 30 payment those clients still owed.

What SpidNums does not do

SpidNums does not prepare or transmit returns. Your T1s and T2s are prepared and EFILEd in your tax software; SpidNums tracks the engagement, the stages, the owners and the deadlines around it.

If your firm already runs a tracking system it trusts, the honest answer is that you do not need this one. The pages on this site are written to help you decide, not to pretend every firm has the same problem.

Frequently asked questions

Does Alberta have a provincial sales tax?

Alberta charges the 5% federal GST and levies no provincial sales tax. The CRA administers the GST. Alberta levies no provincial sales tax. Alberta is the only province with no provincial sales tax, so Alberta clients file GST returns only.

What corporate tax rates apply in Alberta?

Alberta's provincial small-business rate is 2% on the first $500,000 of active business income, and its general provincial rate is 8%. Those sit on top of the federal rates — 9% federally on the first $500,000 and 15% federally on general income.

How does the software handle staggered corporate year-ends?

The fiscal year-end is stored on the client record and the work is generated from it rather than from the calendar. A year-end-minus-one-month trigger opens the file, and the six-month filing date and the earlier balance-due date are tracked as two separate checkpoints on the same file.

Is client data stored in Canada?

Yes. SpidNums hosts client data in Canada, in the ca-central-1 region, with row-level tenant isolation, an append-only audit log and staff roles that support confidential-client gating.

Does SpidNums prepare or file the return for me?

No. SpidNums does not prepare or transmit returns. T1s and T2s are prepared and EFILEd in your tax software. SpidNums tracks the engagement, the document chase, the stages, the owners and both deadline clocks around it.

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