Corporate · Guide

The Ontario transparency register

The beneficial ownership information private corporations now have to keep, who has to be listed, and the penalties for not doing it.

Posted Nov 20, 2025 · Updated Jul 7, 2026

There is a corporate compliance obligation that a lot of Ontario business owners do not know exists, which means a lot of them are quietly offside without realizing it. Private corporations in Ontario are required to keep a register of the individuals who really control the company, sometimes called a transparency register or a register of individuals with significant control. If you own a private Ontario corporation, this almost certainly applies to you. Here is what it is and what you have to do, with one important caution up front: the rules in this area, including the details of what must be recorded and the consequences of not complying, have been introduced and amended in recent years, so the specifics below should be confirmed against the current requirements rather than taken as the last word.

What the transparency register is

The idea behind the register is to make it clear who actually controls a corporation, not just whose name is on the public record, but the real people with significant control behind it. Governments introduced these registers to improve transparency and to make it harder to hide ownership of companies.

In practical terms, a private Ontario corporation has to create and maintain an internal register that identifies the individuals who have "significant control" over the corporation and records certain information about them. It is an internal record the corporation keeps, similar in spirit to the other registers in your minute book, and it has to be kept accurate and up to date.

Who counts as an individual with significant control

This is the part that needs care, because the concept is broader than just "the majority owner." Generally, individuals with significant control can include people who own or control a significant portion of the corporation's shares, measured by number or by value, and people who otherwise have significant influence or control over the corporation, whether directly or indirectly. Control can also be aggregated in certain situations, for example where individuals act together, and it can be traced through other entities rather than only looking at who is named directly.

Because the test captures more than the obvious owner, identifying who actually belongs on the register is not always straightforward, particularly where there are multiple shareholders, holding companies, family arrangements, or agreements that affect control. If your ownership is anything other than a single person owning all the shares, this is worth getting right with advice.

What information has to be recorded

For each individual with significant control, the corporation generally has to record identifying and control-related information, such as the person's name and address, the date they became and ceased to be an individual with significant control, a description of how they have significant control, and other prescribed details. The corporation is also expected to take reasonable steps to keep this information current, updating it as ownership and control change.

The exact list of required details and the frequency of updates are set by the governing rules, which have changed, so confirm the current requirements rather than relying on an older description.

The penalties for not complying

This is not a toothless obligation. Failing to maintain the register properly, failing to record the required information, or providing false or misleading information can carry consequences, which can include financial penalties and, in some circumstances, exposure for the corporation and for directors, officers, or shareholders who are involved in non-compliance.

We are deliberately not stating specific penalty amounts here, because they have been subject to change and stating a stale figure would be worse than stating none. The takeaway is that the obligation is enforceable and the consequences are real enough to take seriously. If you want to know the current penalty exposure for your situation, ask, and we will check it against the rules as they currently stand.

Who can ask to see it

Access to the register is generally restricted rather than public, but certain authorities and parties can request the information in defined circumstances. This is part of why accuracy matters: the register exists precisely so that it can be relied upon when someone with the right to see it asks.

What you should actually do

  • Assume it applies to you if you own a private Ontario corporation, and confirm.
  • Identify your individuals with significant control correctly. If your ownership is simple, this may be quick. If it involves multiple owners, holding companies, or agreements affecting control, get advice so you capture the right people.
  • Create and maintain the register with the required information, and keep it current as things change.
  • Fold it into your regular corporate maintenance. The cleanest approach is to keep the transparency register current alongside your minute book and annual housekeeping, so it does not drift out of date.
  • Confirm the current rules and penalties rather than relying on older guidance, because this area has moved.

Bottom line

If you own a private Ontario corporation, you are very likely required to keep a transparency register identifying the individuals who really control the company, with prescribed information kept accurate and current. The duty is enforceable and non-compliance carries real consequences, even though many owners do not know the obligation exists. Identifying who counts as having significant control can be more complex than it first appears. Because the rules and penalties have been amended recently, confirm the current requirements rather than assuming. Talk to us and we will make sure your register is set up correctly and kept up to date.

This is general information about the transparency register obligation in Ontario, not legal advice for your corporation. The requirements and penalties in this area have changed and should be confirmed against the current rules. Talk to us about your corporation's compliance.