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At Tax Filings Canada, we handle every part of your corporate back-tax filing, 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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Corporate Back-Tax Filing from Tax Filings Canada gives incorporated businesses and CCPCs the T2 return with full GIFI schedules and every provincial filing that applies at a cheap fixed fee agreed before work begins — no hourly billing, no surprise invoices.
Gather what you have — even a shoebox of receipts is a fine starting point.
We turn your records into a complete, review-ready corporate back-tax filing file.
You get a walkthrough of the results, in plain language, before you approve a thing.
We submit everything for you and stay available for whatever follows.
| 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 |
The 9% federal small business rate covers the first $500,000 of active business income, with each province layering its own rate on top. We quote corporate back-tax filing as one cheap fixed price — the budget-friendly alternative to hourly billing.
Corporate Back-Tax Filing can look routine from the outside. Sit on the practitioner's side of the desk for a while and you learn which parts genuinely are routine — and which parts reward a tax preparation specialist's full attention.
If you remember one thing from this page, make it this: A dividend between connected corporations is generally deductible in computing taxable income. However, subsection 55(2) can recharacterise it as a capital gain where it exceeds safe income and no permitted purpose applies. The safe-income analysis belongs before the dividend is paid, not after.
The second point is quieter but costs more when missed. A non-capital loss can be carried back three years and forward twenty. Which year it is applied against decides what the loss is actually worth, because the recovery comes at that year’s rate. A carry-back is claimed with the return or by adjustment request rather than assumed. Where clients most often get hurt is not the calculation but the follow-through, and the rule reads plainly. Interest on an unpaid corporate balance compounds daily at the prescribed rate plus 4%. The CRA cannot waive it except through a taxpayer relief application on defined grounds.
What this means for you: the value in corporate back-tax filing is not the filing itself, it is having a tax preparation specialist apply these rules to your numbers before anything is submitted. Gather whatever records touch the numbers — statements, ledgers, prior-year filings — and we take it from there.
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 corporate back-tax filing requirements.
Coverage: Standard bookkeeping and corporate back-tax filing preparation.
Ideal for early-stage startups and sole proprietors.
Book NowCoverage: Full-service bookkeeping, filings, and CRA compliance support.
Perfect for established small businesses.
Book NowCoverage: Strategic advisory and fractional CFO integration.
Ideal for companies seeking high-growth financial structuring.
Book NowWhy you should partner with Tax Filings Canada Experts for all your corporate back-tax filing needs?
Providing tailored corporate back-tax filing 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.
Risk-Free, Hassle-Free, and Client-First!
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See how our expert Corporate Back-Tax Filing tax and accounting services have helped Canadian businesses save money and stay compliant.
A remuneration review at an incorporated consultancy in Ottawa, Ontario saved $38,500 across the corporate and personal returns. It found two corporations under common control filing as if each had its own $500,000 limit.
Nothing was wrong at an incorporated consultancy in Ottawa, Ontario. The filings were on time and accurate. What they were not was planned. Two corporations under common control filing as if each had its own $500,000 limit had never been reviewed. We modelled salary against dividends across both the corporation and the shareholder’s personal return, then set the remuneration mix for the year. We ran the numbers across both the corporate and personal returns, so the saving was real rather than deferred into someone else's hands. $38,500 came off the combined corporate and personal tax bill, and the structure holds for future years without further work.
A family transfer at a corporation associated with a spouse-owned company in Red Deer, Alberta would have been fully taxable. The reason was no valuation on file to support the price the parties had agreed. Restructuring deferred $690,000.
A generational transfer at a corporation associated with a spouse-owned company in Red Deer, Alberta had been discussed for years without a plan. No valuation on file to support the price the parties had agreed meant the transfer as contemplated would have been fully taxable. We moved passive holdings into a separate structure so the operating company’s small business limit stopped grinding down. We sequenced the steps so each one was complete and documented before the next depended on it. $690,000 of tax was deferred through the transfer, and the successor generation took over a corporation whose records stood up to review.
An 8-week rebuild at a holding company and its operating subsidiary in Mississauga, Ontario got the filing in with 21 days to spare. That avoided $57,000 in penalties.
A holding company and its operating subsidiary in Mississauga, Ontario was weeks away from the deadline for corporate back-tax filing. Behind that sat retained earnings building in the operating company with no plan for extracting them. The exposure if the date slipped was around $57,000. We reviewed each capital cost allowance pool and set the claim at the level that kept the small business deduction fully used rather than wasted. The filing went in complete rather than provisional, so there was no amended return to follow. Filed with 21 days to spare. $57,000 in late-filing penalties avoided, and the working papers are ready for the following year.
A corporately-owned rental portfolio in Regina, Saskatchewan expanded into a second province. The file already carried a small business limit quietly shared across three associated corporations nobody had mapped. Every obligation was set up in advance and $130,000 of cash released.
Revenue at a corporately-owned rental portfolio in Regina, Saskatchewan was up sharply and cash was tighter than ever. Underneath it sat a small business limit quietly shared across three associated corporations nobody had mapped. We reconstructed the capital dividend account from the underlying transactions and filed the subsection 83(2) election before the next distribution left the company. Every new obligation was set up before it was triggered, not after. That covered registration, remittance frequency and provincial filing. $130,000 of cash was released from the working capital cycle. The expansion completed with every registration and filing obligation covered from day one.
The CRA had assessed an operating company holding surplus investments in Calgary, Alberta on estimates across 4 unfiled years. Real filings vacated $81,000 of that tax.
4 years of unfiled returns had turned into notional assessments at an operating company holding surplus investments in Calgary, Alberta. Underneath lay a loss year carried forward by default when carrying it back would have produced a refund cheque. Collections had already started. We carried the non-capital loss back against the two profitable years and recovered tax already paid instead of holding a carry-forward balance. We then filed every outstanding year in chronological order so the CRA could vacate the notional assessments cleanly. All 4 years were accepted as filed. $81,000 of arbitrarily assessed tax was vacated, collections action stopped, and the account is current for the first time in 4 years.
The ledger at a professional corporation in Burnaby, British Columbia could not support its own filings. The reason was passive investment income that had crossed the $50,000 grind threshold unnoticed. Rebuilding it surfaced $14,500 in unclaimed input tax.
A professional corporation in Burnaby, British Columbia could not answer basic questions about its own numbers. Passive investment income that had crossed the $50,000 grind threshold unnoticed sat between the bank statements and the ledger. We rebuilt the instalment schedule off the current year rather than the prior year, ending the interest accrual. We then documented the process so the work does not depend on any one person remembering how it was done. Records rebuilt and reconciled, $14,500 recovered in input tax credits that the old file could not support, and a documented monthly process now in place.
Meet the specialists behind your Corporate Back-Tax Filing 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.
Corporate Back-Tax Filing 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 corporate back-tax filing 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.
A tax expert answers this differently than a search engine, because the rule has edges. A CCPC’s T2 is due six months after year-end, but the balance owing is due two months after year-end. For many small CCPCs claiming the small business deduction, the balance is due three months after year-end. Filing on time does not stop interest running on an unpaid balance. Where your business sits relative to those edges is what we establish in the first meeting.
There is a widespread assumption here, and the actual position is worth stating plainly. The 9% federal small business rate applies to the first $500,000 of active business income. That limit is shared across associated corporations rather than available to each of them. If your current setup was built on the assumption instead of the rule, that is fixable — but sooner is better than later.
The questions Canadians actually search on this topic, answered plainly. Browse every question in the Canadian tax answers directory.
A T2 corporate return is due six months after the fiscal year end, whichever month that falls in. The balance owing comes earlier: two months after year end, or three months for an eligible Canadian-controlled private corporation claiming the small business deduction. Filing late costs 5% of the unpaid balance plus 1% per month for up to 12 months. For tax years beginning after 2023, electronic filing is mandatory for essentially all corporations whatever their gross revenue — the old $1 million threshold no longer applies — and paper-filing a return that had to be filed electronically carries a $1,000 penalty.
A small business corporation pays the federal small business rate of 9% on its first $500,000 of active business income for 2026, plus the small business rate of the province where it has a permanent establishment. Above that limit, or once the small business deduction has been ground down, the federal general net rate of 15% for 2026 applies. An unincorporated business works differently: the profit goes on the owner's personal return and is taxed at personal marginal rates.
Severance is taxable, and the amount withheld depends on how it is paid. Severance treated as employment income has tax deducted like a bonus, using your pay-period rates. A retiring allowance instead has the CRA's flat lump-sum withholding applied, at a rate that rises with the size of the payment. Either way the final tax is settled on your T1, where the severance is added to your other income for the year.
No. Borrowed money is not income because you have to repay it, so a personal or business loan is not reported as income on your return. Interest you pay may be deductible if the money earns business or investment income. Two situations do bite: a debt that is forgiven can create income or reduce a cost base, and an interest-free or low-interest loan from your own corporation can produce a taxable benefit. Get advice before lending to yourself.
On profit. Corporations and unincorporated businesses are taxed on net income, meaning revenue minus deductible expenses and capital cost allowance, not on gross sales. Revenue matters for other things: GST/HST registration once taxable revenue passes $30,000 over four consecutive calendar quarters or in a single quarter, and payroll and information reporting. Federal corporate tax is 9% on the first $500,000 of active business income for 2026, with a general net rate of 15%.
An exemption trust is an American estate planning structure that preserves a deceased spouse's federal estate tax exemption, so there is no direct Canadian equivalent. Canada levies no estate or inheritance tax. Instead, capital property is treated as sold at fair market value on death and the resulting gains are reported on the final return, while a qualifying transfer or spousal trust can defer that tax until the surviving spouse dies. Families with United States ties need advice on both systems.
For individuals the tax year is the calendar year, January through December. For the 2025 year, online filing opened 23 February 2026 and the filing and payment deadline was 30 April 2026; if you or your spouse were self-employed, filing ran to 15 June 2026 but payment was still due 30 April 2026. A corporation picks its own fiscal year end instead, with the T2 due six months after that date.
Add up income from every source first: employment, self-employment, pensions, investment income and the taxable one-half of capital gains for 2025 and 2026. Subtract deductions such as RRSP contributions, union dues, child care and eligible moving costs to reach net income, then subtract the remaining allowable deductions to arrive at taxable income. Tax is calculated on that figure, and non-refundable credits, including the 2026 federal basic personal amount of $16,452, then reduce the tax itself rather than the income.
Usually yes. A delivery or freight charge a seller bills as part of supplying goods takes the tax status of those goods, so shipping on a taxable item is taxable at the rate for the destination province, while shipping on zero-rated goods such as basic groceries is not taxed. Freight billed separately by a carrier follows its own rules, including relief for certain international freight. The invoice should show the tax applied.
Usually yes, but read it with the date beside it. The balance shown in CRA My Account is what that account owes as of that date, including interest charged to that point. It moves afterwards: interest compounds daily on an unpaid balance, and a payment, a reassessment or a credit transferred from another account changes the figure. Instalment, payroll and GST/HST accounts are shown separately, so confirm you are looking at the right one.
The T2 is the federal corporate income tax return that every corporation resident in Canada files each year, including corporations that were inactive during the year. It reports one fiscal year of income, deductions and tax, and is due six months after that year end. Attached schedules carry the detail, such as the reconciliation of accounting profit to taxable income and the capital cost allowance claim. For tax years beginning after 2023 — so every 2025 and 2026 tax year — electronic filing is mandatory for essentially all corporations regardless of gross revenue, and paper-filing a T2 when electronic filing is required carries a flat $1,000 penalty, even on a nil return.
The levers are structure, timing and records. Claim every legitimate expense you can support, use capital cost allowance, and check whether an accelerated first-year deduction is available for the particular property before assuming the ordinary half-year rule applies, keep active business income within the small business deduction, and set the salary and dividend mix deliberately rather than by habit. A home office claim, vehicle costs claimed on the business-use share of actual expenses supported by a logbook — a per-kilometre rate is for a reasonable allowance paid to an employee, not a substitute for the business's own expense claim and registered plan contributions add to it. Schemes without commercial substance rarely survive review.
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 — Corporations · CRA — Corporation tax rates · Income Tax Act (Justice Laws Website)
