Choisir date de constitution et d'imposition d'une société
Corporate tax

The date of incorporation of your corporation plays a key role in managing your tax obligations. Once your company is incorporated, you will need to select a fiscal year, which is the period for which you will file your financial statements and tax returns each year.

Understanding the implications of this decision will help you optimize your tax management and could help you avoid costly expenses. With the help of, you can make the right choice for your corporation's incorporation and tax year, effectively focusing on your business objectives.

Why is it important to choose the correct incorporation date for your company?

Your company's incorporation date is the starting point for your first fiscal year. From that date, you have 371 days, or 53 weeks, to close your first fiscal year.

For example, a corporation incorporated on May 24, 2024, can decide any fiscal year-end within 53 weeks of the incorporation date. If it chooses October 31 as its fiscal year-end, its first tax year will run from May 24, 2024, through October 31, 2025.

On your first corporate tax return, you must report the date of incorporation and use it to determine your first fiscal year. It's important that the financial statements and the General Index of Financial Information (GIFI) that accompany your return align with this first tax period.

If you're already operating a sole proprietorship or planning to incorporate, think carefully about the most appropriate period for your incorporation.

Choosing the right year-end for your first fiscal year

Choosing the right year-end date for your first fiscal year is crucial. It will determine your company's future tax periods. While it is possible to change, it requires some administrative procedures.

For subsequent returns, the end date of the tax year will be the day before the start date of the previous tax year. Thus, after your first return, the next tax year begins immediately after the end of the previous tax year. For example, if the end of the tax year is October 31, 2024, the second tax year will be from November 1, 2024, to October 31, 2025.

Therefore, choose the timing of your first T2 corporate tax return carefully, as this will determine your future tax years. There are several elements to consider in making the best choice.

Partnership exception

Professional corporations associated with a partnership must choose December 31 as their fiscal year-end. This harmonizes tax periods and simplifies tax filings.

For example, a corporation formed on May 31, 2024, and associated with a partnership will have a first tax year from May 31, 2024, to December 31, 2024. The second tax year will be January 1, 2025, through December 31, 2025.

Other Exceptions

Special circumstances, such as liquidation or emigration of the business, may allow the tax year-end to be changed without special permission.

What should I need to consider when choosing the correct incorporation and year-end dates?

Choosing the correct fiscal year-end is essential for effective tax management. The tax year-end determines the period covered by your financial statements and affects your tax obligations.

Here are some things to consider in order to make the best possible choice.

Choose the last day of the month for your first fiscal year

When you close your first fiscal year, choose the last day of the month. This will simplify your future tax management, as your next tax period will start on the 1st of the following month.

This approach makes it easier to plan and monitor monthly tax obligations.

Don't choose the calendar year for your fiscal year

While choosing the calendar year for your company's tax period may seem simpler, it's not necessarily the best choice.

For example, by choosing the calendar year, you're opting for a period when professional accountants are often busier. This can result in higher costs than during the rest of the year, and above all, less availability.

Space your incorporation from your fiscal year-end

Avoid significant fees by spacing your incorporation date from your fiscal year-end. For example, if you incorporate on October 9, 2024, and choose December 31 of the same year as your fiscal year-end, your first year's costs will be much higher.

It's best to stagger these dates to spread out your costs, so you can take advantage of a longer tax period and spread your initial expenses over a longer period.

Consider bonuses, salaries or dividends when choosing the tax period

Choosing a year-end between July 31 and November 30 optimizes bonuses as salary for shareholders. Bonuses paid to shareholders can be deducted as a company expense and must be paid within 180 days, which makes it easier to spread the income over two calendar years.

This strategy can reduce overall taxes by spreading income and deductions over multiple tax periods.

Align all your incorporated companies to the same tax period

If you have multiple entities, it's easier to align them to the same tax period. This makes it easier to manage and coordinate your tax obligations by centralizing the preparation of financial statements and simplifying tax planning in general.

This harmonization also applies to management companies, if you have one.

Consider your industry's natural financial cycles and seasonality

Choosing a time period that matches your company's natural revenue and expense cycles makes cash flow management and budgeting easier. With proper planning, you can defer or accelerate certain expenses and revenues to optimize your tax situation.

For seasonal businesses, it may make sense to choose a tax year-end that falls outside of your peak season, allowing you to focus on business operations during critical periods. This approach helps to balance tax expenses and avoid cash flow spikes.

Align your tax period with the calendar year if you have investment income

If you have investment income, aligning your tax period with the calendar year can simplify the reporting and management of this income, as investment income often follows an annual cycle.

This synchronization can also facilitate investment monitoring and tax planning related to capital gains and losses.

Anticipate legislative changes

Stay abreast of potential tax law changes that could affect your business. By choosing a strategic tax year-end, you can sometimes take advantage of new regulations or avoid penalties.

For example, if changes to tax rates or deductions are announced, adjusting your year-end may allow you to maximize the benefits or minimize the negative impact.

Make the right decisions when incorporating with

Choosing the right tax date for your corporation is essential to optimizing your accounting and tax management each year. It will have an impact each year when preparing and filing your corporate tax returns.

At, our team is available to assist you with the incorporation of your business. In addition to the paperwork associated with incorporation, we can also advise you on the best time to file your corporate taxes. Fill out our contact form or email us at today to discuss your specific needs.

Frédéric Roy-Gobeil


As President of and an entrepreneur at heart, I have founded many start-ups such as delve Labs and A former tax specialist at Ernst & Young, I am also a member of the Ordre des comptables professionnels agréés CPA and have a master's degree in taxation from the Université de Sherbrooke. With a passion for the world of entrepreneurship and the growth mindset, I have authored numerous articles and videos on the industry and the business world, as well as on accounting, taxation, financial statements and financial independence.

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