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By Émile Audet
December 8, 2025

Who Can Apply for the Ontario Innovation Tax Credit

The Ontario Innovation Tax Credit (OITC) offers a crucial financial opportunity for corporations involved in research and development (R&D) activities within Ontario. Understanding whether your business qualifies for this refundable tax credit is essential for leveraging R&D investments effectively. This article outlines the eligibility criteria, providing a comprehensive overview to help you determine if your corporation can benefit from the OITC.

Overview of the Ontario Innovation Tax Credit

The OITC is designed to incentivize innovative activities by offering a refundable tax credit to corporations for qualified expenditures on scientific research and experimental development conducted in Ontario. For taxation years beginning after May 31, 2016, the credit rate is set at 8%. The program aims to support businesses in enhancing their R&D efforts, thereby contributing to technological advancement and economic growth in the province. For full eligibility details, consult the complete program guide.

Applicant Type Requirements

To qualify for the OITC, your corporation must meet several key criteria. Primarily, the corporation must have a permanent establishment in Ontario. Additionally, the business should be engaged in eligible scientific research and experimental development activities within the province throughout the taxation year. Corporations must also be eligible to claim the federal investment tax credit under section 127 of the federal Income Tax Act. For complete eligibility requirements, see the complete program guide.

Size & Scale Criteria

The OITC primarily targets small to medium-sized enterprises (SMEs) engaged in R&D. While there are no strict size limitations, larger corporations may find the credit less impactful due to scaling factors. To maximize the benefit, your corporation's federal taxable income should ideally be below $500,000, as the expenditure limit reduces with higher taxable income and is eliminated at $800,000. Similarly, a prior year's taxable capital exceeding $25 million will reduce the credit, eliminated at $50 million.

Project & Activity Requirements

Eligible projects must involve scientific research and experimental development activities that contribute to technological advancement. Projects should aim to resolve scientific or technological uncertainties, and operational improvements alone typically do not qualify. Activities must be well-documented, with clear project objectives and methodologies.

Financial & Operational Criteria

Corporations must not be exempt from corporate income tax to apply for the OITC. Additionally, businesses must have submitted a scientific research and experimental development expenditures claim on federal form T661 for the tax year in question. This requirement ensures that applicants are actively engaged in recognized R&D activities.

Conclusion

The Ontario Innovation Tax Credit provides a significant incentive for corporations to pursue innovative projects within the province. By understanding the eligibility criteria outlined above, businesses can assess their potential to benefit from the program. For a detailed exploration of the application process and specific funding calculations, consult the complete program guide. Take advantage of this opportunity to support and expand your R&D initiatives in Ontario.

About the author

Émile Audet - Canadian grants specialist

Émile Audet

Canadian grants specialist
Working at helloDarwin for some time now, I'm in charge of providing you with the information you need on government aid. Dedicated to helping companies in Quebec and Canada reach their full potential, I write on the helloDarwin blog about the various programs, allowances and funding available to enable organizations to make their digital transformation through access to federal and provincial support.

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