The Canadian government offers a very generous tax credit for engineering companies to support their operations and encourage innovation.
SR&ED is the Canadian government’s flagship benefit for innovators. It allows you to deduct qualifying SR&ED costs for tax purposes, which will reduce your tax bill; or SR&ED can take the form of an investment tax credit (ITC) applied to your company’s tax bill.
But how do Canadian engineering companies unlock this generous incentive? Organizations apply for this benefit from the Canadian Revenue Agency (CRA) while filing their T2 Corporation tax. There are strict deadlines for the SR&ED credit application.
The key to a successful SR&ED claim
Good documentation is the key to a successful SR&ED tax credit claim. The CRA expects SR&ED applicants to support their claim with contemporaneous financial and technical documentation.
If you have questions about the documentation that supports your SR&ED claim, book a call with one of our advisors.
Strong financial documentation will prove to the CRA the costs of technical work. It might include agreements and invoices for some kinds of contractor, overhead calculations, materials costs, time tracking and relevant R&D payroll records.
The technical documentation needs to state what you were trying to achieve and to show the CRA that the work:
- addressed a technological uncertainty
- involved testing different approaches
Technical documentation for an SR&ED claim will also include results of experiments.
The CRA will expect technical documentation of your R&D work to show everything that was learned from the project – and that includes any failures. Learn more about the best way to document your R&D so that it meets the CRA’s requirements.
Expert tips for optimizing your SR&ED claim
We recommend planning your R&D work around your SR&ED claim. Setting up your workflow to support documenting as you go will ensure that your records are contemporaneous. The CRA has a strong preference for contemporaneous records.
Working with an eye to technical uncertainty will make your project more eligible for SR&ED.
Many engineering companies underclaim on SR&ED because they don’t realize that they can include invoices from some kinds of contractor, such as architects, in their claim.
Find out how much you can claim from SR&ED with our calculator.
Engineering R&D projects that could successfully apply for research tax credits
It can be helpful to see examples of projects that would be the subject of a successful SR&ED claim.
Concrete innovation
A company in the civil and environmental engineering sector is developing a low-carbon concrete that is comparable in strength to traditional formulations. There is uncertainty in the new mix’s strength, durability and curing behaviour.
The company’s researchers carry out lab testing and structural analysis to better understand the chemical formulation. They keep meticulous records of their test results, including iterations and failed mixes.
The end result is an innovative mix with reduced emissions and preserved performance.
Efficient heat exchanger design
Researchers working for a mechanical engineering company are designing a high-efficiency heat exchanger. They are seeking advancement by improving thermal efficiency over conventional heat exchanger designs.
Ultimately, the new heat exchanger does not realize the hoped-for efficiencies and the project is not considered a success – but the work advanced knowledge, and it is still eligible for the SR&ED tax credit.
The CRA has some case studies relating to Canadian engineering companies who benefited from the SR&ED tax credit, including a machine and tool company that serves the aerospace and automotive sectors; and a company that develops battery technologies.
Discover more about how the SR&ED program helps companies in the construction and engineering sectors.
Is your engineering R&D project eligible for the Canadian SR&ED tax credit?
The CRA’s statistics show that in 2025/26, a large proportion of claims to the SR&ED program came from the engineering sector:
- Mechanical engineering: 13.5%
- Electrical engineering: 12.5%
- Materials engineering: 4.6%
- Chemical engineering: 4.4%
- Civil engineering: 0.6%
If some of these statements apply to your organisation’s R&D work, there’s a good chance your company could benefit from the SR&ED tax credit:
- we have dedicated resources to developing new solutions to client issues
- we have developed innovative approaches to solve industry issues
- as a result of environmental regulatory changes, we had to change our products or processes in a way that is ‘outside the box’ compared to an industry standard solution
- changes to production processes resulted in unexpected technological issues and we had to find a solution
- we have engineers, technologists or scientists on staff
Common mistakes that result in SR&ED rejection
Remember – many engineering companies miss out on claiming SR&ED not because their project is not eligible, but because they couldn’t prove their eligibility. Another common reason engineering companies get their SR&ED claim rejected is because they use marketing-style descriptions of their product or service, instead of focusing on uncertainties resolved during development.
An SR&ED adviser, such as Canadian SR&ED, can ensure your application goes smoothly. Book a call with us today.
Claim with confidence: consult Canadian SR&ED.
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