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By Émile Audet
December 8, 2025

What the Ontario Innovation Tax Credit Covers: Eligible Expenses and More

The Ontario Innovation Tax Credit (OITC) is a valuable tool for corporations conducting scientific research and experimental development (SR&ED) in Ontario. This refundable tax credit incentivizes businesses to invest in innovation by offsetting costs associated with eligible R&D activities.

Overview of the Ontario Innovation Tax Credit

The OITC allows qualifying corporations to claim a refundable tax credit for eligible expenditures on SR&ED performed in Ontario. With a tax credit rate of 8% for taxation years commencing after May 31, 2016, this program is designed to encourage innovation and competitiveness within the province.

For complete eligibility requirements, see the complete program guide.

Funding Amounts & Rates

Corporations can claim up to $240,000 in tax credits based on an expenditure limit of $3 million for taxation years starting after May 31, 2016. The program provides a prorated credit for years straddling June 1, 2016. Visit the complete program guide for current funding rates.

Eligible Expenses

Eligible expenses under the OITC include a broad range of R&D-related costs. Corporations can claim expenditures such as:

  • Salaries and Wages: Payments to employees directly involved in R&D activities.

  • Materials and Supplies: Costs of materials consumed or transformed in the R&D process.

  • Contractor Fees: Payments to third-party contractors conducting R&D on behalf of the corporation.

  • Overhead Costs: Indirect costs directly attributable to R&D activities.

For more detailed information on eligible expenses, please refer to the complete program guide.

Ineligible Expenses

Certain costs do not qualify for the OITC, such as:

  • Marketing and Sales Expenses: Costs not directly related to R&D.

  • Administrative Overhead: General business overhead unrelated to R&D.

  • Land and Building Costs: Expenses related to acquiring or improving property.

Expense Documentation Requirements

Corporations must maintain thorough documentation to support their claims, including:

  • Detailed expenditure records

  • SR&ED project descriptions

  • Justification of how expenses relate to R&D activities

Examples of Funded Projects

Projects funded through the OITC typically involve innovative activities such as:

  • Developing new manufacturing processes

  • Creating proprietary software systems

  • Improving agricultural technologies

Conclusion

The Ontario Innovation Tax Credit provides a significant opportunity for corporations to reduce the costs associated with R&D projects, ultimately fostering innovation within the province. For detailed guidance on how to maximize your claim, consult the complete program guide.

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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