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At Tax Filings Canada, we handle every part of your provincial sales-tax audit support, from the filing itself to the planning around it. Our accountants work with corporations and business owners every week, so you can focus on running and growing your business.
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Need provincial sales-tax audit support in Canada? Tax Filings Canada delivers GST/HST returns, input tax credit reconciliations and provincial sales tax filings for registrants in every province and sales-tax system — affordable fixed fees quoted up front, and you pay only after you approve the work.
Everything starts with your documents — send what you have and we will sort it.
We build the provincial sales-tax audit support file carefully, matching your records line by line.
The draft comes back to you for a proper look, not a rushed signature.
When you say go, we file it and follow up with the confirmation.
| Factor | Tax Filings Canada | Typical Firm |
|---|---|---|
| Pricing model | Fixed, flat fee | Hourly / unpredictable |
| Payment | Pay after service | Upfront retainer |
| Price match | Yes, on written quotes | Rarely |
| CRA audit support | Included | Billed extra |
| Typical turnaround | 3-5 business days | 2-4 weeks |
CRA reviews are won on documentation: every figure filed should trace to a source document, and deadlines — 90 days for an objection — are unforgiving. Registration becomes mandatory once taxable supplies pass $30,000 over four consecutive calendar quarters. Because the fee is fixed and affordable, the economics stay predictable whether your file is simple or messy.
Before you hand provincial sales-tax audit support to anyone, it is worth knowing what the work actually turns on.
First, the rule that sorts straightforward files from complicated ones: Registration is mandatory once taxable supplies pass $30,000 over four consecutive calendar quarters. Input tax credits require documentation that scales with invoice size. Unmatched input tax credits are the first thing disallowed in a sales-tax review, and the assessment covers every period reviewed.
There is a companion rule that changes how the first one plays out in practice: The rate charged follows the customer's province, not the seller's: 13% into Ontario, 15% into New Brunswick, Newfoundland and Labrador and PEI, 14% into Nova Scotia (since 1 April 2025), 5% plus provincial tax elsewhere. A seller charging its own province's rate nationally is under-collecting on some sales and over-collecting on others, and owes the difference on the under-collected ones. One more rule deserves attention, mostly because ignoring it is expensive in ways that only show up later. British Columbia, Saskatchewan and Manitoba run their own sales taxes alongside GST, filed separately, and unlike GST they are generally not recoverable as input credits. Businesses expanding into a PST province routinely register late, and the province assesses from the date the obligation started, not the date of registration.
The common thread in these rules is that they punish assumptions and reward verification. Engaging an accountant for provincial sales-tax audit support is, at bottom, a way of replacing assumptions with checked answers. Gathering the following ahead of time turns the first provincial sales-tax audit support conversation from fact-finding into decision-making.
No surprises is the operating principle: the fee is agreed and fixed before we start, you review everything before it is filed, and payment comes after the work, not before.
Providing transparent fixed pricing and high-quality compliance work for your provincial sales-tax audit support requirements.
Coverage: Standard bookkeeping and provincial sales-tax audit support preparation.
Ideal for early-stage startups and sole proprietors.
Book NowCoverage: Full-service bookkeeping, filings, and CRA compliance support.
Perfect for established small businesses.
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Ideal for companies seeking high-growth financial structuring.
Book NowWhy you should partner with Tax Filings Canada Experts for all your provincial sales-tax audit support needs?
Providing tailored provincial sales-tax audit support services to ensure compliance and maximize deductions.
Our tax accountants keep your business compliant with federal and provincial tax rules.
A dedicated team that handles your financials quickly, accurately, and without upfront fees.
Dedicated preparation processes customized for Canadian businesses.
Advanced accounting software integrations with QuickBooks, Xero, and wave accounting.
Customized packages designed to grow as your business operations expand.
Our clear four-step workflow ensuring absolute tax optimization and complete CRA compliance.
Start with a free, no-obligation consultation to review your business’s financial, tax filing and compliance needs and outline our affordable solutions.
Receive a comprehensive checklist and securely provide the required financial records and documents.
Our tax accountant and accounting experts carefully prepare your filings, identify all applicable deductions and credits, and conduct thorough reviews.
We file your documents electronically with the Canada Revenue Agency (CRA) on time and provide post-filing support.
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See how our expert Provincial Sales-Tax Audit Support tax and accounting services have helped Canadian businesses save money and stay compliant.
A multi-province online retailer in Saskatoon, Saskatchewan was overpaying instalments. The cause was HST charged at the home-province rate on sales into four different provinces. Rebasing them returned $146,000 to the business.
A multi-province online retailer in Saskatoon, Saskatchewan was paying instalments calculated on a prior year. That year no longer reflected the business. HST charged at the home-province rate on sales into four different provinces was tying up $146,000 of cash. We rebased the instalments on the current-year estimate rather than the prior-year default. Alongside that, we rebuilt the sales ledger by customer province and applied the correct place-of-supply rate to each stream. We filed corrected returns before the CRA opened a review. $146,000 of cash stayed in the business, the penalty cycle ended, and the instalment position is reviewed each quarter against actual results.
A freight brokerage in Barrie, Ontario was filing correctly and still overpaying. The reason was a commercial property purchase closed on the assumption no tax applied because the vendor was not registered. Restructuring the position cut $63,000 from the annual bill.
A freight brokerage in Barrie, Ontario was compliant but paying more than it needed to. The prior year had been filed correctly. It still left a commercial property purchase closed on the assumption no tax applied because the vendor was not registered on the table. We modelled the current position against the alternatives before changing anything. Then we brought the nil and missing periods current so the account was clean before the refund claim was filed. The change saved $63,000 in the first year and repeats annually. Nothing about the filings became more aggressive. The position is simply the one the rules already allowed.
Growth at a construction supplier selling into three provinces in Winnipeg, Manitoba had outrun the back office. A sales tax account filed annually while the CRA had moved the business to quarterly broke first. Headcount reached 41 with $89,000 of cash freed.
A construction supplier selling into three provinces in Winnipeg, Manitoba was growing fast, with headcount reaching 41 in eighteen months. The back office had not kept up. A sales tax account filed annually while the CRA had moved the business to quarterly was the first thing to break. We assembled the export documentation, restored zero-rating on the qualifying sales, and reduced the proposed assessment. We built the compliance calendar for the size the business was becoming rather than the size it had been. The business reached 41 staff with no missed remittance and no late filing. $89,000 of working capital was freed in the process.
A manufacturer exporting to the US in Red Deer, Alberta was under review. The issue was input tax credits claimed on the exempt side of a mixed-supply business. The file closed in 7 weeks with $27,500 of proposed tax cleared.
A manufacturer exporting to the US in Red Deer, Alberta was selected for review. Input tax credits claimed on the exempt side of a mixed-supply business had shown up in the CRA's automated matching. The proposed adjustment on provincial sales-tax audit support came to $27,500. We backdated the registration to the date the business stopped being a small supplier, remitted the tax owing, and applied for relief on the penalty portion. Every figure in the response traced to a source record the auditor could verify without asking a second question. The review closed with no change. $27,500 of proposed tax came off the table, and the documentation now in place makes the next review a short one.
An incentive review at a SaaS company with Canadian and US customers in Vancouver, British Columbia recovered $77,000 across 3 open years. It found HST charged at the home-province rate on sales into four different provinces.
An incentive review at a SaaS company with Canadian and US customers in Vancouver, British Columbia started from a simple question: what has never been claimed? The answer ran to 3 years. It was driven by HST charged at the home-province rate on sales into four different provinces. We tested the quick method against the account’s actual input tax credit history and stayed on the regular method where the credits were worth more. We documented eligibility to the standard a reviewer would apply rather than the standard a claim form requires. The credits produced $77,000 across the open years. The tracking now in place means the following year's claim is documented as the work happens rather than reconstructed afterwards.
Due diligence at a professional practice with exempt and taxable supplies in Burnaby, British Columbia surfaced a minute book with no resolutions behind a decade of dividends. Restructuring the sale saved $460,000 against the original terms.
A professional practice with exempt and taxable supplies in Burnaby, British Columbia was preparing to sell. Due diligence surfaced a minute book with no resolutions behind a decade of dividends. That would have reduced the price or killed the deal outright. We cleaned up the historical file. We self-assessed the tax on the real property acquisition in the correct reporting period and claimed the offsetting input tax credit in the same return. Then we prepared the due-diligence package the buyer's advisers actually asked for. The deal closed at the agreed price. $460,000 of tax was saved against the structure originally proposed, with no post-closing adjustment.
Meet the specialists behind your Provincial Sales-Tax Audit Support filings. Our Partners Are Alumni of the World's Top Accounting and Tax Institutions
CA (ICAI), CA (MIA), CPA Canada (In-Depth Tax Program)
Canada Tax, International Tax, Cross Border Tax, Transfer Pricing
International Tax, Transfer Pricing Specialist
CA (ICAI), Canada Tax Expert
CA. Fractional CFO and Senior Advisory Specialist
Same fixed fees in every province. Find your city or your sector.
Direct answers to what Canadian business owners actually ask before hiring an accountant.
Provincial Sales-Tax Audit Support starts at a fixed fee quoted before any work begins. The quote is locked at the outset and does not change mid-engagement, and you pay only after you have reviewed and approved the deliverable. Compare every plan on our transparent pricing page.
At minimum: prior-year returns and notices of assessment, your bank and credit-card statements for the fiscal period, payroll records if you have employees, and GST/HST filings. We send a checklist tailored to your situation after the free 15-minute call.
Most engagements are completed within 3 to 5 business days once your documents are complete. Catch-up work covering multiple years takes longer, and we tell you the realistic timeline before you commit rather than after.
We respond on your behalf at no extra charge for any return we prepared. Every figure we file is supported by documentation retained in your file, which is what turns a CRA review from a crisis into correspondence. See how our CRA audit representation works.
Yes. Late filing penalties compound at 5% of the balance owing plus 1% per month, so the cost of waiting is real. We prioritise catch-up work and, where eligible, file under the CRA's Voluntary Disclosures Program to reduce penalties.
Yes. We serve clients in every province and territory at the same fixed fees, so your location does not change the price or the service. Browse our coverage across Canada to find your city.
We work across construction, healthcare, e-commerce, professional services, restaurants, real estate, transportation, technology and non-profits, each with its own deduction profile and CRA scrutiny patterns. See all industries we serve.
Software applies the rules you already know about. An experienced tax accountant finds the ones you do not: capital cost allowance timing, the small business deduction threshold, shareholder loan repayment rules, and TOSI exposure on family dividends. The fee is usually smaller than the deductions it surfaces.
Our provincial sales-tax audit support services include complete filing, compliance management, and strategic advice customized to Canadian tax laws.
You can start by booking a free 15-minute call. We will review your files, provide a fixed quote, and start working immediately.
In our files, this is the deciding factor: Closely related registrants can elect under section 156 to treat supplies between them as made for nil consideration. The election has to be filed with the CRA rather than signed and left in the minute book. An unfiled election means the inter-company charges were taxable all along. A tax consultant applies it to your numbers before submission.
The honest answer comes down to one rule. Zero-rated exports carry a 0% rate but still require proof the goods left Canada. Without export documentation the CRA reassesses the sale at the domestic rate. That is the part we verify before anything is filed.
The questions Canadians actually search on this topic, answered plainly. Browse every question in the Canadian tax answers directory.
Long-term residential rent is exempt, so a landlord charges no GST/HST on it and cannot claim input tax credits on the related costs. Commercial and office rent is taxable at the rate for the province: 5% GST, or the HST rate where HST applies. Short-term accommodation is generally taxable as well. Exempt is not zero-rated, because zero-rated supplies are taxed at 0% but still allow input tax credit recovery. Confirm the treatment before setting rents.
Multiply the pre-tax price by the rate that applies where the sale happens. In Ontario that is 13% HST for 2026; in Alberta 5% GST; in British Columbia 5% GST plus 7% PST, each applied to the same base. Quebec is the exception, where 9.975% QST is charged on the pre-GST price, giving 14.975% combined. To back the tax out of a tax-included price, divide by one plus the rate.
GST/HST-exempt supplies include most residential rents, used residential housing, medical and dental services, child care, most educational courses, financial services and many charity or municipal services. No tax is charged, and the supplier cannot claim input tax credits on costs relating to them. Basic groceries, prescription drugs and exports are different: those are zero-rated, taxed at 0% with input tax credits still available. Check the CRA's GST/HST guide for the full lists.
HST in New Brunswick is 15% in 2026 - the 5% federal GST plus a 10% provincial component. New Brunswick raised its provincial component from 8% to 10% effective 1 July 2016, taking the combined rate from 13% to 15%; for an invoice that straddles that date, check the dated table on the CRA GST/HST rates and place-of-supply rules page. It applies to most goods and services supplied in the province, whoever the seller is.
For the 2025 personal tax year the balance is due 30 April 2026, even if you are self-employed and file by 15 June 2026. Employees pay through payroll deductions across the year, while the self-employed and people with investment income may owe quarterly instalments. A corporation's balance is due two months after year end, or three months for an eligible CCPC claiming the small business deduction. Interest runs from the day after the due date.
Canadian-source income is income whose origin is in Canada: employment carried out here, a business carried on here, rent from Canadian real property, gains on taxable Canadian property, and Canadian pension, dividend and interest payments. It matters most for non-residents, who are taxed only on Canadian-source amounts, often by withholding at the payer rather than by filing. Residents are taxed on worldwide income instead. A tax treaty can reduce the withholding rate for your country.
Total your income, subtract deductions such as RRSP contributions and child care, apply your credits, then compare the resulting tax with the tax already withheld on your slips and any instalments paid. Tax software runs that comparison as you enter slips and shows a running balance before you submit. After filing, the notice of assessment confirms the figure, and CRA My Account shows the refund or amount owing and where it stands.
HST is not a fee the business keeps. It is the harmonised sales tax, a combined federal and provincial sales tax the supplier collects on your behalf and remits to the CRA. On a bill it appears as a percentage of the pre-tax subtotal at the rate of the province of supply, 13% in Ontario. A registered supplier must show the tax, or state that it is included, and give their GST/HST registration number on request.
Sometimes. When a BC seller ships taxable goods to a buyer in the province, PST at 7% applies to the delivery or freight charge as part of the price of those goods. If the goods themselves are exempt, the related delivery charge is exempt too. Freight billed separately by an arm's-length carrier for a transportation service is not subject to PST. GST applies to the freight either way. Check the province's PST bulletin on delivery charges.
Usually yes. A delivery charge added to a sale generally takes the same treatment as the goods being shipped, so shipping on taxable goods is taxable and shipping on zero-rated goods is not. The rate follows the province where the goods are delivered. Freight transportation bought from a carrier has its own rules and interprovincial or international legs can be zero-rated, so check the CRA's freight transportation guidance before billing tax on it.
Almost anything you receive for work or from capital: employment wages and taxable benefits, self-employment and gig earnings, tips, rental profit, interest, dividends, the taxable portion of capital gains, pension and RRIF withdrawals, EI and most government payments, and spousal support under a written agreement or court order. Payment in cash or cryptocurrency counts the same as an amount on a slip. Lottery winnings, most gifts and inheritances, and TFSA growth do not count.
No. A non-profit that sells taxable goods or services must register and charge GST/HST once it passes the small-supplier threshold, the same as any business, at the combined rate for the province of supply. Only particular supplies are exempt, and the exempting rules for non-profits are narrower than those for registered charities. A qualifying non-profit, broadly one funded substantially by government, may claim a public service body rebate for part of the tax it cannot recover as input tax credits.
Reviewed and fact-checked by Udit Gupta
Ex Big 4 — Ernst & Young, Deloitte · International & cross-border tax specialist · CPA Canada (In-Depth Tax Program) · Chartered accountant, ICAI & MIA
Udit Gupta has over 15 years of experience helping corporations and business owners with corporate structuring, corporate tax filing, bookkeeping, payroll, GST/HST, cross-border tax and CRA representation. He is Big 4 trained, at Ernst & Young and Deloitte, and qualified as a chartered accountant in India and again in Malaysia. In 2014 he founded his accounting practice to serve entrepreneurs, startups and non-resident business owners across Canada. View full member bio.
The Institute of Chartered Accountants of India — member 521458 · Malaysian Institute of Accountants — member CA 44667 · Ex Big 4: Ernst & Young, Deloitte · CPA Canada (In-Depth Tax Program), completed 19 Dec 2023 · In-Depth GST/HST Part I, 12 Jul 2022 · Part II, 5 Jul 2023
Editorial policy. Every page is researched against primary sources — the Income Tax Act, CRA publications and CPA Canada guidance — and every rate or threshold is stated with the tax year it applies to.
Sources. CRA — GST/HST for businesses · CRA — GST/HST rates by province · Income Tax Act (Justice Laws Website)
