Cost of Adding a Shareholder Calculator
The deal is agreed and the paperwork is next, so the question is what the new shareholder has to pay, what the filing and professional work costs, and what the Canada Revenue Agency will say about the price. Work out the subscription price that avoids a taxable shareholder benefit, the gain on a transfer of existing shares, and the tax cost of getting the number wrong.
transaction cost and tax
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The Price That Avoids a Taxable Shareholder Benefit
| Item | Basis | Amount |
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What the Transaction Costs to Paper Properly
| Cost | What It Covers | Amount |
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The Tax Consequences of the Transaction
| Consequence | Who Bears It and On What Basis | Amount |
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Points That Decide This
What to Do Next
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Disclaimer: Where a corporation confers a benefit on a shareholder, subsection 15(1) of the Income Tax Act generally includes the value of that benefit in the shareholder’s income, and where the recipient is an employee the amount may instead be an employment benefit under section 5 and paragraph 6(1)(a). Subsection 56(2) can include an amount in the income of a person who directs or concurs in a payment or transfer of property to another person, which is the provision most often in point where value is shifted to a non-arm’s length person. Section 7 governs shares acquired under an agreement to issue securities to an employee and displaces the ordinary rules in those circumstances. Paragraph 69(1)(b) deems proceeds of disposition to be fair market value where property is disposed of to a person with whom the taxpayer does not deal at arm’s length for less than fair market value, while the purchaser’s cost is the amount actually paid, so the same value can be taxed twice. A capital gain is computed under section 40 and the taxable portion under section 38 at the inclusion rate in force for the year, which has been subject to announced and revised proposals and must be confirmed for the year of disposition. The lifetime capital gains exemption in section 110.6 may be available on the disposition of qualified small business corporation shares if the holding period, asset and use tests in subsection 110.6(1) are met, and it is not computed here. The tax on split income rules in section 120.4 can apply the highest marginal rate to dividends received by a specified individual from a related business unless an exclusion applies, including the excluded business and excluded shares definitions in subsection 120.4(1), each of which is a set of conditions to be tested rather than a general exemption. Creating or varying a class of shares requires Articles of Amendment under section 168 of the Business Corporations Act (Ontario) or section 173 of the Canada Business Corporations Act, and the government filing fees quoted here are the published charges at the time of writing and must be confirmed before filing. The professional, legal and valuation fees in this calculator are illustrative placeholders, not quoted rates, and every tax rate used is an input you should replace with the correct figure for the individual and the province. Which provision applies to an underpriced share issue is a question of fact that turns on the capacity in which the person received the shares. This page is general information, not tax advice.
The Arithmetic Most People Get Wrong
The question everyone asks first is what it costs to add a shareholder to a corporation in Ontario, and the honest answer has two parts. There is the price the new shareholder pays for the shares, which is not a cost to anybody but has to be right, and there is the cost of the paperwork, which is small by comparison and is the part most owners are actually quoting for.
The price is where the mistakes happen. If the corporation is worth a million dollars and the new shareholder is to hold twenty per cent, almost everyone reaches for twenty per cent of a million. That is the right answer only if they are buying existing shares from somebody who already owns them. If the corporation is issuing new shares from treasury, it is wrong, and it is wrong in the direction that creates a taxable benefit.
The reason is that the subscription money goes into the corporation. A shareholder who pays two hundred thousand into a corporation worth a million has just made it worth one million two hundred thousand, and twenty per cent of that is two hundred and forty thousand. They paid two hundred thousand for something worth two hundred and forty thousand, and forty thousand of value has moved from the existing shareholders to them.
The formula for a treasury issue is the value of the corporation multiplied by the percentage divided by one minus the percentage. For twenty per cent of a corporation worth a million, that is a million times 0.20 divided by 0.80, or two hundred and fifty thousand. Pay that, and the corporation is worth one million two hundred and fifty thousand, of which twenty per cent is exactly the two hundred and fifty thousand that was paid. Nothing has shifted, and there is no benefit to assess.
| Stake Acquired | New Shares From Treasury | Existing Shares Transferred | Difference on a $1,000,000 Corporation |
|---|---|---|---|
| 10 per cent | FMV × 10 ÷ 90 | FMV × 10 ÷ 100 | $111,111 against $100,000 |
| 20 per cent | FMV × 20 ÷ 80 | FMV × 20 ÷ 100 | $250,000 against $200,000 |
| 33.3 per cent | FMV × 1 ÷ 2 | FMV × 1 ÷ 3 | $500,000 against $333,333 |
| 50 per cent | FMV × 1 | FMV × 1 ÷ 2 | $1,000,000 against $500,000 |
The gap widens sharply as the stake grows, which is why the error is expensive precisely when a real partner is coming in rather than a small investor. Using the transfer price for a treasury issue of half the corporation understates the subscription by half the value of the business.
Share Subscription Against Share Transfer in Canada
The choice between issuing shares to a new partner and having an existing shareholder sell them some is not only a pricing question. It decides who receives the money, who pays tax now, and what the corporation has to spend on the transaction.
On a subscription, the corporation issues shares from its authorised capital and keeps the money. Nobody disposes of anything, so nobody has a capital gain, and the cash is working capital the business can use. That is usually what people mean when they talk about bringing an investor into their corporation in Canada.
On a transfer, an existing shareholder sells part of their holding and receives the money personally. The corporation gets nothing. The seller has disposed of property, so they have a capital gain equal to the proceeds less the adjusted cost base, and tax is payable on the taxable portion of that gain in the year of the sale.
| Feature | New Shares Issued | Existing Shares Transferred |
|---|---|---|
| Price for the same stake | Higher, FMV × X ÷ (1 − X) | Lower, FMV × X |
| Who receives the money | The corporation | The selling shareholder |
| Capital gain on the deal | None | Yes, for the seller |
| Existing shareholders diluted | Yes, proportionately | Only the seller |
| Cash into the business | Yes | No |
| Articles may need amending | Often, for a new class | Usually not |
| Lifetime capital gains exemption | Not in point | Possibly available to the seller |
Neither route is better in the abstract. A business that needs the capital wants a subscription. An owner who wants to take some money off the table wants a transfer, and may be able to shelter part of the gain if the shares qualify. Many deals end up as a mixture, which is workable but has to be documented as two transactions rather than one.
What Happens If the Price Is Too Low
Underpricing is the risk this page exists to model. If a new shareholder pays less than fair value for shares, the difference is value they have received for nothing, and the Income Tax Act has more than one way of taxing it.
Where the person is a shareholder and the corporation has conferred the benefit on them, subsection 15(1) generally includes the value of the benefit in their income. Where they are an employee and the shares came to them in that capacity, the amount is more likely to be an employment benefit taxed under section 5 and paragraph 6(1)(a), and if there was an agreement to issue securities to an employee then section 7 applies instead and displaces the ordinary rules. Where the value has been diverted to a person who does not deal at arm’s length with the existing shareholders, subsection 56(2) can include the amount in the income of the person who directed or concurred in the transfer.
Which of those provisions applies is a question of fact, not a choice. It turns on the capacity in which the person received the shares, and the answer is not always obvious where somebody is a key employee who is about to become a shareholder. The calculator shows the amount at risk and the tax on it at the rate you enter. Please do not treat the characterisation as settled without advice, because the wrong answer is usually discovered on audit years later, with interest running from the original year.
There is a second trap on a transfer. Paragraph 69(1)(b) deems the seller to have received proceeds equal to fair market value where they dispose of property to a non-arm’s length person for less than it is worth, while the buyer’s cost remains what they actually paid. The seller is taxed on a gain they did not realise, and the buyer inherits a lower cost base, so the same increment can be taxed twice. That is the single strongest reason to get a supportable valuation before shares move within a family.
Issuing Shares to a New Partner for Services in Canada
This is the most common and most expensive mistake on this page. A key employee is offered a slice of the business in return for what they have contributed or will contribute, no money changes hands, and everybody treats it as a reward rather than a transaction.
It is a transaction. Shares received in return for services are consideration for those services, and the value received is income to the recipient in the year they receive it. They have a tax bill on the full value of the shares and no cash from the deal to pay it with, which is a position nobody enjoys discovering in April.
A ten per cent stake in a corporation worth a million dollars issued to a key employee for services is a six figure income inclusion. The corporation may have a corresponding deduction and a payroll obligation, and if there was an agreement to issue the shares then section 7 changes the timing and the character of the inclusion. Please take advice before the resolution is signed rather than after, because the receipt cannot be undone once the shares are issued.
Contributing assets rather than services raises a different question. The contributor is disposing of the assets at fair market value and may have a gain on them, though a joint election under section 85 can defer that where the conditions are met. Section 85 is a reorganisation in its own right, it is not modelled here, and it needs to be planned before the assets move.
Do the Articles Allow It, and What the Filing Costs
Before any of the tax work matters, the corporation has to be able to issue the shares. That means checking the articles for a class with the rights the new shareholder is being promised, and an unlimited number of authorised shares in that class. A corporation incorporated with a single class of common shares often has nowhere sensible to put a partner who is meant to have a different economic or voting position.
Creating a class, or varying the rights of one, requires Articles of Amendment under section 168 of the Business Corporations Act (Ontario) or section 173 of the Canada Business Corporations Act, together with a special resolution of the shareholders. The government filing fee is modest.
The Articles of Amendment filing fee is $150 for an Ontario corporation and $200 for a federal one. Alongside it the corporation needs a special resolution of the shareholders, updated registers and minute book, and in most cases legal drafting of the new class, which is where the money actually goes. The filing fee is the smallest line on the invoice.
Those filing fees are the published government charges at the time of writing and should be confirmed with the relevant registry before you budget on them. The legal, accounting and valuation figures in the calculator are illustrative placeholders rather than quoted rates, and they are the part of the bill that actually matters. If the corporation needs a more considered capital structure than a single new class, the multiple share classes calculator works through what a fuller structure involves.
Adding a Business Partner to My Corporation in Ontario When They Are Family
Bringing in a spouse, an adult child or a sibling changes the analysis in two ways. The parties are not dealing at arm’s length, so a negotiated price is no longer evidence that the price is right, and the tax on split income rules in section 120.4 can apply to the dividends the new shares pay.
On the first point, the answer is a supportable valuation. Between unrelated parties the price they agree is generally the best evidence of fair market value, because each side is pushing in the opposite direction. Within a family there is no such tension, and the Canada Revenue Agency is entitled to substitute its own view. A valuation prepared by somebody qualified to do it is what stands between the transaction and a reassessment.
On the second, section 120.4 can tax dividends from a related business at the highest marginal rate in the hands of a specified individual unless an exclusion applies. The exclusions are real but they are conditions to be tested, not boxes to tick.
| Exclusion | Broad Condition to Test |
|---|---|
| Excluded business | Actively engaged on a regular, continuous and substantial basis, with twenty hours a week in the year or in five previous years treated as meeting it |
| Excluded shares | Ten per cent or more of votes and value, the corporation earns less than ninety per cent of its income from services, and it is not a professional corporation |
| Reasonable return, aged 25 or over | Reasonable having regard to work, property contributed, risks assumed and past amounts received |
| Aged 18 to 24 | Narrower, generally limited to a prescribed return on arm’s length capital contributed |
| Spouse where the other spouse is 65 or over | Tied to amounts that would not have been split income for that spouse |
The calculator flags where the inputs suggest an exclusion will be difficult, but it cannot tell you that one is available, and nothing on this page should be read as saying an exclusion applies. Where a family trust is already part of the structure, the family trust and lifetime capital gains exemption calculator covers the related ground, and the wider tax planning work is where these decisions belong.
Shareholder Agreement Cost in Ontario, and Why It Comes First
A shareholder agreement is not a tax document and it is not what this calculator prices, but it is the thing that decides whether admitting a partner was a good idea. It sets out what happens when one of you wants out, when one of you stops working, when you disagree about a distribution, and when somebody dies or divorces.
The cost of one in Ontario varies with how much is genuinely negotiated rather than with the length of the document, which is why an honest quote is a range and not a number. It is materially less than the cost of unwinding a deadlocked corporation, and it is the only part of this transaction that is cheaper to do properly at the start. Our free shareholder agreement template sets out the questions the agreement has to answer so that you arrive at the lawyer with the commercial terms already settled.
Please take advice before the shares are issued, not after. Almost every problem on this page is retroactive. A benefit assessed under subsection 15(1) arises in the year the shares were issued, a deemed disposition under paragraph 69(1)(b) is fixed at the date of the transfer, and a share issue cannot be reversed by agreement once it is done. Our free consultation is the right place to start, and the corporate tax return filing that follows has to reflect whatever was actually done.
What This Calculator Does Not Cover
- A section 86 or section 85 reorganisation or estate freeze, which is how a larger stake is usually introduced and is planned rather than calculated
- The lifetime capital gains exemption computation under section 110.6, including the qualified small business corporation holding period and asset tests
- Options, phantom equity and profit interests, which are often a better answer than shares for a key employee
- Employee stock option rules under section 7, which displace the ordinary treatment where there is an agreement to issue securities
- Securities law compliance, including whether a prospectus exemption is available for the issue and what has to be filed
- Corporate law compliance under the OBCA or CBCA beyond the filing fee, including directors’ resolutions, pre-emptive rights and register updates
- Shotgun, drag-along, tag-along and buy-sell mechanics, which belong in the shareholder agreement
- The general anti-avoidance rule in section 245, which can apply to a series of transactions that each work on their own
- Jurisdictions outside Ontario and the federal regime, and any non-resident shareholder issues including withholding and section 116
- Stated capital, paid-up capital and the corporation’s own filings, which have to be adjusted for whatever is issued
Frequently Asked Questions
Pricing the shares, the paperwork and the tax on getting it wrong.
Related Calculators and Guides
More tools for share structure, corporate setup and owner tax planning.
Price the Shares Before You Issue Them
Send us the value of the corporation, the stake you have agreed and who the new shareholder is. We will work out the subscription price that holds up, tell you whether the articles need amending, and set out the tax consequences for both sides before anything is signed.