Lifetime tax planning

Is it time to incorporate, or just more paperwork?

Your business earns more than you need to live on. A corporation could let you delay some tax and invest more money now. But there are costs, and more tax may be due when you take the money out. Would it still leave you better off?

See what changes the picture

The part worth a closer look

What if you need to take all the money out?

$145k

of current tax deferred

About $334,021 remains invested in the corporation, versus $188,982 personally. That leaves more capital working now, but the corporate money still faces personal tax when withdrawn.

Personally: $188,982
Corporately: $334,021

$3,576

less left personally through the corporation

If all the retained surplus is paid immediately as a non-eligible dividend, about $185,406 remains personally, versus $188,982 without incorporation. The initial deferral has disappeared.

Personally: $188,982
After dividend: $185,406

One-year 2026 BC illustration: $500k profit, $90k personal spending, full CPP and an available small-business limit. No registered saving. Before incorporation, legal and annual administration costs. Future years may differ.

One year. The same profit and lifestyle.

What is left to invest after current tax?

A BC business earns $500,000 before owner pay. The owner needs $90,000 for personal spending. Compare earning the profit personally with a corporation that pays enough salary for that lifestyle and retains the surplus.

Earn personally

$188,982

Personal surplus after current tax, CPP and spending

Earn through a corporation

$334,021

Corporate surplus after current tax, CPP and the same personal spending

These balances are in different hands. The corporate balance has not yet faced the personal tax on taking it out. This is tax deferred, not a permanent saving or a lifetime forecast.

Do you need all the profit?

Delaying tax can help when you can leave extra money invested for years. If you need nearly all the profit to live on, the yearly cost of running a corporation can outweigh the benefit.

Which corporate rate applies?

This example assumes the business qualifies for the small-business tax rate and has room under its limit. Related corporations and investment income can reduce that room. Special rules can also apply if the work is more like employment than running a business.

When will you use the money?

What you keep depends on how your investments grow, where you save and the tax when you take money out. Look at those choices and your retirement plans before deciding to incorporate.

Delaying tax is not the same as avoiding it.

If all retained cash were paid out immediately as a non-eligible dividend in this illustration, personal surplus would be about $185,406, roughly $3,600 less than earning personally, before administration costs. Retaining cash and withdrawing it are different decisions.

Then follow the surplus through the years.

The connected corporate-surplus example compares what happens over a lifetime after the owner is incorporated. It uses a different pay-and-saving policy; its figures are not an extension of this one-year calculation.

Assumptions and scope

Separate one-year 2026 BC arithmetic using reviewed personal and corporate tax functions. $500,000 net active business profit, $90,000 personal spending, full CPP contributions, no registered contributions, no additional credits and no small-business-limit reduction. The corporation pays salary to fund the lifestyle and retains remaining profit after corporate tax. CPP is included in both paths.

Not a full-life incorporated-versus-sole-proprietor model. Incorporation transfers, legal costs, ongoing administration, future investment taxes, rate changes and later withdrawal planning are excluded. A later year cannot simply repeat the headline deferral without reviewing its facts.

Sources and limits of this example

CRA: corporation tax rates
Income Tax Act: small business deduction

Tax rules checked September 29, 2026. This is a general example. The sources explain the rules, but cannot tell you what your family would save. Your situation, costs and future tax rules can change the result.

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