How much can you get back from SR&ED

Reviewed by Logan Hanson, BSc, CPA. Last verified against CRA guidance on August 28, 2026.

A qualifying Canadian-controlled private corporation gets back the enhanced 35% refundable investment tax credit on the first $6 million of eligible current R&D expenditures, which is up to $2.1 million in cash per year, even in a loss year. That $6 million limit rose from $3 million for taxation years beginning on or after December 16, 2024. Provincial credits push the combined return higher, though not by simple addition: a provincial credit reduces the federal base rather than stacking on it. How much higher depends on your province. Those numbers are the ceiling, not the default: what you actually get back depends on your corporation type, your spend, and your taxable capital.

SR&ED is Canada’s largest federal R&D program, returning more than $4 billion a year to roughly 20,000 claimants.

Key Takeaways

• The enhanced SR&ED rate is a flat 35% refundable credit on the first $6 million of qualifying current expenditures, worth up to $2.1 million back as cash per year, paid even if the corporation owes no tax.
• The $6 million expenditure limit replaced the old $3 million limit for taxation years beginning on or after December 16, 2024. It phases out as taxable capital grows and is shared among associated corporations.
• The 35% refundable rate goes to CCPCs and, for tax years beginning on or after December 16, 2024, eligible Canadian public corporations. Corporations that do not qualify, such as non-resident-controlled corporations, generally earn the basic 15% credit, which reduces tax owing rather than paying cash.
• With provincial R&D credits layered on top, the combined federal-plus-provincial return is higher than the federal credit alone, though not by simple addition, and how much higher depends entirely on your province.
• SR&ED rewards the attempt to resolve genuine technological uncertainty, not commercial success. Failed or abandoned projects can still qualify if they met the test.

What Is the Maximum You Can Get Back From SR&ED?

Up to $2.1 million federal cash per year, for a qualifying corporation. That is the enhanced 35% refundable rate applied to the first $6 million of qualifying current expenditures ($6,000,000 × 35% = $2,100,000). It is refundable, meaning the CRA pays it out even when the company has no tax to offset.

Two things keep most claimants well below that ceiling. First, few companies spend $6 million a year on eligible R&D. Second, the $2.1 million is a maximum that shrinks: the $6 million expenditure limit phases out as a corporation’s taxable capital rises, and associated corporations share a single limit between them. So the honest answer to "how much can I get back" is: 35% of your qualifying current spend, capped at $2.1 million, and provincial credits on top. The CRA’s own rates and limits page sets out the same structure.

Above the $6 million limit, additional current spend earns the basic 15% credit instead.

Who Gets the 35% Refundable Rate and Who Gets 15%?

The enhanced 35% refundable rate goes to CCPCs (Canadian-controlled private corporations) and, for taxation years beginning on or after December 16, 2024, to eligible Canadian public corporations. Corporations that do not qualify for the enhanced rate, such as non-resident-controlled corporations, generally earn the basic 15% credit.

An eligible Canadian public corporation has a class of shares listed on a designated stock exchange (or elected or was designated to be a public corporation) and is not controlled by non-residents. Bill C-15 extended the refundable rate to this group, so it is no longer true that every non-CCPC is stuck at 15%.

Where the 15% credit still applies

• Corporations that do not qualify for the enhanced rate, such as non-resident-controlled corporations, earn the 15% credit. For most of them it is non-refundable: it reduces tax owing, it does not pay out as cash.
• Qualifying current spend above the $6 million limit earns 15% rather than 35%.

One clarification worth stating plainly: a partnership is not a corporation. Its SR&ED flows through to the partners, who claim on their own returns. If you operate through a partnership, the rate that applies is the partner’s, not a company rate.

What Expenditures Does the Refund Get Calculated On?

The refund is calculated on your pool of qualifying current expenditures. There are four categories, and knowing them tells you what your actual number will be:

1. Salaries and wages of employees directly engaged in the SR&ED work. For most claimants this is the largest line.
2. The prescribed-proxy overhead amount, a fixed 55% of those directly-engaged salaries. Most claimants elect this proxy instead of tracking actual overhead. The proxy is computed on salaries only, not on contractor costs. The traditional method (tracking actual overhead) exists as the alternative.
3. Materials consumed or transformed in the work.
4. Arm’s-length Canadian contractor costs, counted at 80% of the eligible amount.

That 80% catches people out. Say your arm’s-length contractor invoices $145,000 for eligible work. Only $116,000 of it enters your pool, because contractors count at 80%. Claim the full $145,000 and you have overstated the claim.

What does not go in the pool

Cloud computing and SaaS subscriptions are not one of the listed SR&ED expenditure categories on their own, so a cloud bill is not an eligible SR&ED expenditure. It may still be deductible as an ordinary business expense; that is a separate matter. Capital was reinstated by Bill C-15 for qualifying depreciable property acquired after December 15, 2024, reversing the 2012 removal, but the treatment is nuanced and enhanced-rate capital credits are only partially refundable. Keep capital out of your back-of-envelope math and get specifics from an advisor. The Finance Canada release explains the origin of both changes.

How Much More Do Provincial Credits Add?

Most provinces layer their own R&D tax credit on top of the federal credit, which is why the combined return is higher than the federal credit alone, by an amount that depends on your province. There is no single national rate: the provincial portion varies by province, and some are refundable while others are not.

Because the provincial credit stacks on the federal one, the effective rate on a dollar of eligible spend in a strong province is materially higher than the federal 35% alone. Do not budget around a flat combined figure, though. There is no national one, and the two credits do not simply add together. The CRA’s provincial and territorial R&D credits page lists what each jurisdiction offers, and that is the page to check before you count on any number.

What Does the Refund Look Like on a Real Claim?

Take a CCPC building a new fermentation process. In its fiscal year it pays $340,000 in salaries to staff directly engaged in the R&D, spends $58,000 on materials consumed or transformed in the experiments, and pays an arm’s-length Canadian contractor $145,000 for eligible work.

Here is the math, in order:

• Directly-engaged salaries: $340,000.
• Prescribed-proxy overhead at a fixed 55% of those salaries: $340,000 × 0.55 = $187,000.
• Materials consumed or transformed: $58,000.
• Contractor at 80%: $145,000 × 0.80 = $116,000.

Qualifying expenditure base: $340,000 + $187,000 + $58,000 + $116,000 = $701,000.

Federal refund at the enhanced 35% rate: $701,000 × 0.35 = $245,350.

That $245,350 is paid as cash to the CCPC even if it owes no tax that year. Provincial credits push the total higher depending on your province. Note what moved the number most: the proxy added $187,000 to the base off the salary line alone, and the contractor entered at $116,000 rather than $145,000.

SR&ED Refund Readiness Checklist

1. Confirm your entity type before you estimate anything. CCPC or eligible Canadian public corporation means 35% refundable; corporations that do not qualify, such as non-resident-controlled corporations, get 15% non-refundable.
2. Check whether your taxation year begins on or after December 16, 2024, since that decides your $6 million limit and public-corporation eligibility.
3. Pull the salaries of employees directly engaged in the R&D. This line drives both the salary claim and the 55% proxy on top of it.
4. Add the proxy: a fixed 55% of those directly-engaged salaries, salaries only, not contractor costs.
5. Recut every arm’s-length Canadian contractor invoice to 80% of the eligible amount before it enters the pool.
6. Separate cloud and SaaS subscriptions out of the pool; they are not an eligible SR&ED expenditure on their own.
7. If you acquired capital property after December 15, 2024 for R&D, flag it for an advisor rather than estimating a refund on it yourself.
8. Check the provincial credits page for your jurisdiction before you count on any combined figure.

FAQ

Is there a deadline to claim, and what happens if I miss it?

Corporations have 18 months after the fiscal year-end to file the SR&ED claim. A December 31, 2024 year-end files by June 30, 2026. Treat that date as hard: filing after it generally means the credit is lost, so confirm your own deadline and file well ahead of it. See the CRA filing requirements policy.

How long does the CRA take to pay a refundable claim?

The CRA aims to process a refundable claim accepted as filed within 60 calendar days, and a claim selected for review within 180 days of a complete filing. Timelines run from when your filing is complete, not from when you started it.

Does my project have to succeed to get the refund?

No. SR&ED rewards the systematic attempt to resolve a scientific or technological uncertainty, not the outcome. Work that failed or was abandoned can still qualify if it aimed at an advancement and proceeded by experiment or analysis. It is a common and costly misconception that only successful projects count.

Does only lab science qualify?

No. Software development and manufacturing process work routinely qualify. What matters is the two-part test: the work aims to advance knowledge or achieve a technological advancement, and it is a systematic investigation to resolve an uncertainty. A merely systematic approach to routine work is not enough. See the CRA eligibility of work guidelines.

Can I claim SR&ED for work I contracted out to a foreign developer?

The 80% contractor treatment is for eligible arm’s-length Canadian contractors. Work performed outside Canada is not automatically excluded: it falls under separate, fact-specific rules that turn on the details of the work. So do not simply drop foreign-performed work from your thinking. Flag any such work and confirm how it is treated with an advisor before you file.

Does the refund count as taxable income when I receive it?

The refundable credit reduces your SR&ED expenditure pool and can affect the deduction you claim, so it is not simply free money on top of your tax position. How it interacts with your income depends on your specific situation, which is why the calculation belongs with your accountant rather than a rule of thumb.

This article is general information, not tax advice. Tax figures depend on your corporation type, province, and taxation year.

In Conclusion

The maximum federal cash from SR&ED is up to $2.1 million a year at the enhanced 35% rate, but your real number is 35% of your own qualifying current spend, with provincial credits on top depending on your province. Getting the entity type, the proxy, and the 80% contractor rate right is what separates a defensible claim from an overstated one. If you want the figure for your specific situation confirmed before you file, book a free consultation.

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