Insights

Practical writing for medical and health professionals who run their own professional corporation.

Real strategies, real numbers, no jargon. Long-form essays on the math I run for clients — published roughly once a month.

New essays weekly
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The archive

19 essays
Is Corporate-Owned Life Insurance Tax-Deductible? Almost Never, and the One Exception
corporate-life-insuranceSeptember 2026

Is Corporate-Owned Life Insurance Tax-Deductible? Almost Never, and the One Exception

The first question every incorporated professional asks about corporate-owned life insurance is whether the premiums are deductible. The answer is almost always no, and the case for the strategy was never about deductibility anyway.

7 min readRead the essay
The Capital Dividend Account: How Life Insurance Creates Tax-Free Corporate Money
cdaSeptember 2026

The Capital Dividend Account: How Life Insurance Creates Tax-Free Corporate Money

Every private corporation has a way to pay out money with zero personal tax. Most incorporated professionals have never checked their balance. Here is how the CDA works and what feeds it.

7 min readRead the essay
Capital Gains Inside a CCPC: Rates, the Cancelled Hike, and Spreading Gains
capital-gainsAugust 2026

Capital Gains Inside a CCPC: Rates, the Cancelled Hike, and Spreading Gains

Half taxed, half tax-free, and a timing decision that can swing the bill by $30,000. What portfolio capital gains actually do inside a CCPC in 2026, with the numbers.

8 min readRead the essay
Five Ways to Manage the SBD Grind, Compared With Numbers
passive-incomeAugust 2026

Five Ways to Manage the SBD Grind, Compared With Numbers

The grind can cost an Ontario practice up to $30,000 a year. These are the five levers that actually move the number, applied to the same practice and compared in dollars.

7 min readRead the essay
The Prior-Year Trap: How Last Year's Passive Income Cuts This Year's Small Business Deduction
passive-incomeAugust 2026

The Prior-Year Trap: How Last Year's Passive Income Cuts This Year's Small Business Deduction

The $50,000 passive income test doesn't look at this year. It looks at last year. That one-year lag is where most of the expensive surprises live, and where all of the planning leverage sits.

7 min readRead the essay
RDTOH Explained in Plain Language (Including NERDTOH vs. ERDTOH)
rdtohAugust 2026

RDTOH Explained in Plain Language (Including NERDTOH vs. ERDTOH)

The 50% tax rate on corporate investment income is only half the story. A big piece of it is a deposit, not a cost, and it comes back when the corporation pays dividends. Here is how the refund actually works.

7 min readRead the essay
What Counts as Passive Income in a Corporation (and What Doesn't)?
passive-incomeAugust 2026

What Counts as Passive Income in a Corporation (and What Doesn't)?

Interest counts. Unrealized gains don't. Dividends depend on who pays them. The exact checklist of what enters your corporation's AAII, and the common moves that don't change the number at all.

7 min readRead the essay
Beyond the RRSP: the Individual Pension Plan for incorporated professionals
RetirementJune 2026

Beyond the RRSP: the Individual Pension Plan for incorporated professionals

For most Canadians the RRSP is the cornerstone of retirement saving, and it stays useful after incorporation. For some established owner-managers, an individual pension plan can provide more deductible retirement funding, subject to its costs and restrictions.

9 min readRead the essay
5 tax-planning mistakes incorporated dentists make with retained earnings
retained earningsMay 2026

5 tax-planning mistakes incorporated dentists make with retained earnings

Your corporation earned well this year. After paying yourself, there is a healthy balance in the corporate account, maybe $200,000, maybe $500,000, maybe more. What happens next is where many incorporated dentists and physicians quietly lose money.

5 min readRead the essay
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