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The short answer
Canada taxes a stock option as an employment benefit when the employee acquires the shares (or, for a CCPC, when they sell them), equal to the share value less what they paid. A Nigeria-resident employee who never worked in Canada is generally outside that charge, because non-residents pay Canadian tax only on income such as employment in Canada. Nigeria may tax the benefit as employment income for work done there, and the timing under the Nigeria Tax Act 2025 is not settled in public guidance, so document the plan carefully and take Nigerian advice.
How Canada taxes options
Section 7 of the Income Tax Act sets the basic rule. When an employee acquires shares under an agreement with their employer (or a related corporation), they are treated as receiving a benefit equal to the value of the shares at acquisition less the amount paid for them and for the option. The benefit is employment income for the year the shares are acquired. Section 7(3) adds that the grant itself is not a taxable benefit.
There is a deferral for Canadian-controlled private corporations (CCPCs). Under section 7(1.1), where a CCPC agrees to issue shares to an arm's-length employee, the benefit is taxed in the year the employee disposes of the shares rather than the year they acquire them. Whether your company is a CCPC depends on control: a private corporation controlled directly or indirectly by non-residents is not one, which matters if Nigerian shareholders hold control (see a CCPC with a Nigerian shareholder).
Worked example (illustrative)
Example: an employee holds 10,000 options with an exercise price of $0.50. They exercise when the shares are worth $2.00. The section 7 benefit is ($2.00 − $0.50) × 10,000 = $15,000. If the company is a CCPC and the employee deals at arm's length, that $15,000 is recognised when the shares are sold, not at exercise.
Why a Nigeria-based employee is usually outside Canadian tax
Section 2(3) of the Income Tax Act charges a non-resident to Canadian tax on taxable income earned in Canada where they were employed in Canada, carried on business in Canada or disposed of taxable Canadian property. An engineer who lives in Lagos and has only ever worked from Lagos is not employed in Canada, so the option benefit for that work does not fall into Canadian tax. Two situations change that:
- the employee worked in Canada during the period the options relate to (for example, a secondment to Toronto), or
- the employee moves to Canada and becomes resident before the benefit arises.
Disposals can raise separate questions if the shares are taxable Canadian property; an adviser should check that for a private company whose value comes mainly from Canadian real property.
What Nigeria may tax
PwC's Nigeria residence summary (reviewed May 2026) says a resident's income is Nigerian income wherever it arises, and employment income is derived from Nigeria where duties are performed in Nigeria. An option benefit linked to employment in Lagos is therefore likely to be treated as employment income in Nigeria. What is not clear from the public guidance we could check is when it is taxed (grant, vesting, exercise or sale) and how it is valued under the Nigeria Tax Act 2025. Treat the timing as unconfirmed, ask a Nigerian tax adviser before the first exercise, and agree who reports the benefit if the employing entity is your Nigerian subsidiary.
The documents to keep
- The option plan approved by the board and, where needed, the shareholders.
- A grant letter for each employee: number of options, exercise price, vesting schedule, expiry, and what happens on leaving.
- The board resolution approving each grant.
- The securities register and, for a federal corporation, the register of individuals with significant control if a holding reaches 25%.
- A valuation record for each grant and exercise date, since a private company's share value drives the benefit.
- Proof of exercise: notice, payment of the exercise price, share certificate or register entry.
Issuing securities to employees outside Canada can also engage provincial securities law and Nigerian rules on foreign investment and payments; check both with counsel before the first grant. Keep the plan documents in Canada with the corporate records.
When the employee moves
Remote staff move more than office staff. If a Lagos employee relocates to Canada before exercising, the Canadian position changes, because a resident is taxed on world income; if a Canadian employee with options moves to Lagos, the work done in Canada before the move may still be Canadian employment for the options earned then. Record each holder's country of work for each vesting period, so the split can be worked out later rather than reconstructed from memory.
Practical design points
- Exercise price in CAD or USD: state it, and say how a Nigeria-based employee pays it.
- Cashless exercise or company-funded exercise changes the tax picture; model it first.
- Leaver terms matter more for remote staff: say clearly how long a leaver has to exercise.
- Phantom shares or cash bonuses tied to value are an alternative where share issuance abroad is awkward.
Related reading: a Nigerian founder holding Canadian company shares and keeping the ISC register.
Where Pryme fits
Employees in Nigeria who exercise options may need to pay the exercise price in dollars. A Pryme Personal Account holds naira and US dollars, and Swap shows the rate and fee before they approve. Company-side records of payments to staff can be kept with verifiable statements from VerifyDoc.ai via receipts.
Questions people ask
Do Nigerian employees pay Canadian tax on stock options?
Generally not if they live in Nigeria and never worked in Canada, because non-residents are taxed in Canada on income such as employment in Canada.
When is a stock option taxed in Canada?
When the shares are acquired, on the value less the amount paid; for an arm's-length employee of a CCPC, when the shares are sold.
Does Nigeria tax employee stock options?
An option benefit tied to work in Nigeria is likely employment income there; the timing under the NTA 2025 is not clear from public guidance, so take Nigerian advice.
What documents do I need for employee stock options?
A board-approved plan, grant letters, board resolutions, the securities register, valuations and proof of exercise.
Sources
- Justice Laws: Income Tax Act s.7 (current to 30 Sep 2026) · accessed Oct 2026
- Justice Laws: Income Tax Act s.2 (current to 30 Sep 2026) · accessed Oct 2026
- CRA: Type of corporation (modified 11 Sep 2026) · accessed Oct 2026
- PwC Worldwide Tax Summaries: Nigeria individual residence (reviewed 29 May 2026) · accessed Oct 2026
- Corporations Canada: Individuals with significant control · accessed Oct 2026
This article is general information, not financial, legal or tax advice. Products described are provided under the terms on this site and are subject to regulation and eligibility.