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At Tax Filings Canada, we handle every part of your ten-years-late tax filing, from the filing itself to the planning around it. Our accountants work with individuals and families every week, so your return is filed correctly and you keep every credit you are entitled to.
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Tax Filings Canada provides low-cost, fixed-fee ten-years-late tax filing across Canada: the T1 return with every slip — T4, T4A, T5, T3 — plus RRSP, FHSA and credit optimization, built for employees, self-employed Canadians and investors, with payment only after your work is complete.
Gather what you have — even a shoebox of receipts is a fine starting point.
We turn your records into a complete, review-ready ten-years-late 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 |
Late-filing penalties start at 5% of the balance owing plus 1% per month, and repeat late filers can see those figures double — catching up through the Voluntary Disclosures Program can cut the penalty side substantially. CRA interest on unpaid balances compounds daily at the prescribed rate plus 4%, which is why filing on time matters even when you cannot pay yet. We quote ten-years-late tax filing as one low-cost fixed price — the budget-friendly alternative to hourly billing.
These notes are written the way a tax specialist would explain Ten-Years-Late Tax Filing across a desk: no theory, just the points that decide real files.
One rule does more work than the rest combined, so it goes first. A T1 adjustment can reach back ten calendar years, and ReFILE handles most changes without a paper T1-ADJ. Most missed refunds are still recoverable years later. Very few taxpayers go back and look.
From there, the file turns on a second question, and the rule behind it reads as follows. An expense is deductible where it was incurred to earn income and is reasonable in the circumstances. The business-use portion must be supported, which for vehicles means a logbook. The CRA rarely argues that an expense category is wrong; it argues that the proportion claimed was never substantiated. Then there is the matter of timing, which forgives very little: The late-filing penalty is 5% of the balance owing plus 1% for each full month late, to a maximum of twelve months. A second late filing within three years doubles both figures. The penalty is calculated on the balance owing, so a late return with nothing owing costs nothing — which is why filing on time matters even when you cannot pay.
What this means for you depends entirely on facts we have not seen yet — which is the honest answer, and the reason a tax specialist starts every ten-years-late tax filing engagement with questions rather than conclusions. Every ten-years-late tax filing file rests on documentation, so start by collecting.
Every ten-years-late tax filing engagement carries the same commitments: a fixed fee settled before we begin, your sign-off before anything is filed, and payment only after the service is complete.
Providing transparent fixed pricing and high-quality compliance work for your ten-years-late tax filing requirements.
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Providing tailored ten-years-late 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.
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See how our expert Ten-Years-Late Tax Filing tax and accounting services have helped Canadian businesses save money and stay compliant.
11 months of records at a recently separated taxpayer in Mississauga, Ontario had never been reconciled. That left medical expenses claimed on a calendar-year basis when a shifted window was worth far more. Rebuilding recovered $11,000.
Nothing reconciled at a recently separated taxpayer in Mississauga, Ontario. Every filing started with 11 months of cleanup. The file was carrying medical expenses claimed on a calendar-year basis when a shifted window was worth far more. We rebuilt from source rather than correcting on top of the existing file. We reset the medical expense claim window, transferred credits between spouses, and applied the tuition and disability amounts to the return that used them. Then we set the routine that keeps it clean. 11 months reconciled to the bank. The close now takes 6 days, and $11,000 of previously unclaimable input tax was recovered in the process.
A full-time student with tuition credits and part-time earnings in Calgary, Alberta had never tested its work against the eligibility rules. The resulting $16,000 claim was accepted without adjustment.
A full-time student with tuition credits and part-time earnings in Calgary, Alberta assumed the credits did not apply to a business its size. RRSP room accumulated over eight years and never used in a high-income year meant they had applied all along. We identified the qualifying activity and built the documentation to support it. Then we pooled the carried-forward donation receipts onto the higher-income spouse’s return so the whole claim sat above the low-rate first tier. $16,000 recovered. Because the eligibility analysis is on file, the same claim can be repeated each year with a fraction of the effort.
An 11-week rebuild at a retiree drawing from three sources in Lethbridge, Alberta got the filing in with 15 days to spare. That avoided $126,000 in penalties.
A retiree drawing from three sources in Lethbridge, Alberta was weeks away from the deadline for ten-years-late tax filing. Behind that sat a home sale never reported on the basis that the gain was exempt anyway. The exposure if the date slipped was around $126,000. We carried the capital loss back against gains reported in the prior three years and generated a refund rather than a carry-forward balance. The filing went in complete rather than provisional, so there was no amended return to follow. Filed with 15 days to spare. $126,000 in late-filing penalties avoided, and the working papers are ready for the following year.
A taxpayer claiming a dependant's transferred disability amount in Kelowna, British Columbia was under review. The issue was employment expenses claimed with no signed T2200 from the employer to support them. The file closed in 7 weeks with $113,000 of proposed tax cleared.
A taxpayer claiming a dependant's transferred disability amount in Kelowna, British Columbia was selected for review. Employment expenses claimed with no signed T2200 from the employer to support them had shown up in the CRA's automated matching. The proposed adjustment on ten-years-late tax filing came to $113,000. We obtained the signed T2200 and rebuilt the employment-expense claim on the prescribed form with the supporting records attached to the file. 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. $113,000 of proposed tax came off the table, and the documentation now in place makes the next review a short one.
A $69,000 reassessment landed at a first-time home buyer in Moncton, New Brunswick. It rested on a rental property reported without any capital cost allowance analysis. The objection was allowed in full.
A first-time home buyer in Moncton, New Brunswick had been reassessed for $69,000. 24 days were left on the objection deadline. The reassessment rested on a rental property reported without any capital cost allowance analysis. We filed the objection inside the deadline with a complete submission rather than a placeholder. Alongside it, we filed the outstanding T1135 disclosures under the voluntary disclosure route before the CRA raised them. The appeals officer allowed the objection in full. $69,000 was reversed and the account returned to a nil balance.
Growth at a retiree splitting eligible pension income with a spouse in Victoria, British Columbia had outrun the back office. Foreign accounts that had crossed the T1135 threshold two years earlier broke first. Headcount reached 70 with $130,000 of cash freed.
A retiree splitting eligible pension income with a spouse in Victoria, British Columbia was growing fast, with headcount reaching 70 in eighteen months. The back office had not kept up. Foreign accounts that had crossed the T1135 threshold two years earlier was the first thing to break. We recalculated the instalments on the current year’s expected income rather than the prior year’s, which stopped the instalment interest from growing. We built the compliance calendar for the size the business was becoming rather than the size it had been. The business reached 70 staff with no missed remittance and no late filing. $130,000 of working capital was freed in the process.
Meet the specialists behind your Ten-Years-Late 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.
Ten-Years-Late 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 ten-years-late 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.
An accountant answers this differently than a search engine, because the rule has edges. A T1 adjustment can reach back ten calendar years, and ReFILE handles most changes without a paper T1-ADJ. Most missed refunds are still recoverable years later. Very few taxpayers go back and look. Where your business sits relative to those edges is what we establish in the first meeting.
Let us give you the substance first and the caveats second. An expense is deductible where it was incurred to earn income and is reasonable in the circumstances. The business-use portion must be supported, which for vehicles means a logbook. The CRA rarely argues that an expense category is wrong; it argues that the proportion claimed was never substantiated. The caveat is simply that facts on your file can shift the outcome, so treat this as the baseline rather than the final word.
The questions Canadians actually search on this topic, answered plainly. Browse every question in the Canadian tax answers directory.
For the 2025 tax year the filing and payment deadline is 30 April 2026. If you or your spouse carried on a business, the return itself is due 15 June 2026, but any balance owing is still due 30 April 2026. Interest runs on unpaid amounts after the payment deadline, and a late-filed return with a balance owing also attracts a late-filing penalty. Filing on time keeps benefit and credit payments flowing.
Paper returns go to the CRA tax centre that serves your province or territory of residence, not to one national address. The correct address is printed in the paper return package and listed on canada.ca under mailing addresses for individual returns, and it differs for non-residents and for business returns. Filing electronically is much faster: for the 2025 tax year the CRA aims to issue a refund on an online return in about two weeks, against a considerably longer standard on paper.
CRA online filing for 2025 returns opened 23 February 2026 and closes 29 January 2027. Most people file between late February and the 30 April 2026 deadline, and that stretch is what tax season refers to. You can gather documents and prepare a return earlier, but it cannot be sent electronically before the system opens. Employment and investment slips such as T4 and T5 are issued by payers early in the year, and the CRA's Auto-fill service can pull the ones it already holds once you have set up My Account.
The refund is normally released with the assessment itself, so a direct deposit follows soon after the notice appears in My Account, and a cheque takes longer because it travels by post. If nothing arrives, read the notice: the CRA may have applied the refund against an outstanding balance, family support arrears or another government debt, or held it while the return is reviewed or an earlier year remains unfiled. My Account shows the payment date once it is issued.
You can pay through CRA My Business Account or My Payment, through your own financial institution's online banking by adding the CRA GST/HST payment as a payee under your business number, or by pre-authorised debit arranged in My Business Account. Third-party providers accept credit cards for a fee. Payment is due by the deadline for your reporting period, and filing the return does not by itself move the money, so schedule the two separately.
You still file your own return, since Canada has no joint filing. What changes is that you report your spouse's or common-law partner's income, and that combined figure drives income-tested amounts: the GST/HST credit, the Canada child benefit and provincial credits usually drop. In exchange you can pool medical expenses and donations, transfer certain unused credits, and contribute to a spousal RRSP. Tell the CRA the month your status changed, because benefits are recalculated from it.
You add up income from all sources, subtract allowed deductions such as RRSP contributions to reach taxable income, then apply the graduated rates. Federal rates for 2026 start at 14% and rise through 20.5%, 26% and 29% to 33%, and your province applies its own brackets on top. Non-refundable credits then reduce the tax, including the federal basic personal amount of $16,452 for 2026, which tapers at higher incomes. Tax withheld at source and instalments are credited last.
You remain responsible for what your return says, even when someone else prepared it, so the CRA assesses the tax, interest and penalties against you. A preparer who makes or participates in a false statement can face third-party penalties of their own, and may be liable to you for negligence, which is why engagement terms and professional insurance matter. Keep your source documents for six years from the end of the tax year they relate to.
Basic groceries, prescription drugs, most medical devices and exports are zero-rated, so they are technically taxable at 0%. A separate list is exempt: most health and dental care, child care, residential rent, most financial services, and many educational courses. The difference matters to sellers, because a business making zero-rated sales can still recover the GST/HST it pays, while a business making exempt sales cannot. Check the CRA's GST/HST guide for the current lists.
From the federal and provincial personal tax credits return you fill in when you start a job, which tells payroll which credits you claim, combined with the CRA's withholding tables for your pay frequency and your province of employment. Hand in an updated form when your situation changes, and ask for extra tax to be withheld if you have other income that is not taxed at source. Your T4 reports the year's totals.
Yes. Cash from odd jobs, side gigs, handyman work, tutoring or online platforms is self-employment income and is reported on a T2125 with the personal return, even with no slip and no business name. You deduct the related costs, so tax applies to the profit. Watch two thresholds that follow: GST/HST registration once taxable revenue passes $30,000 over four consecutive calendar quarters, and CPP contributions on net self-employment earnings.
Loan money you receive is borrowed, not income, so it is not reported and it does not reduce your refund or your benefits. What does go on the return is the interest you paid during the year on an eligible government student loan, claimed as a credit. Grants, bursaries and scholarships are different: those arrive on a slip and may need to be reported even where they end up exempt. Debt forgiven under a special programme has its own treatment.
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 — Businesses · Income Tax Act (Justice Laws Website)
