MPC Tax Planning Canada 2026 | Ontario Physician CPA Guide

ByBader A. Chowdry, CPA, CA, LPA

Reviewed by Bader A. Chowdry, CPA, CA, LPA on

Last updated: July 19, 2026. Author: Bader A. Chowdry, CPA, CA, LPA — Insight Accounting CPA Professional Corporation, Mississauga.

Quick answer (45 words): For most Ontario physicians earning $400,000+, the tax-efficient plan is a Medicine Professional Corporation with a hybrid salary + dividend + bonus mix, passive-income capped at $50,000 inside the MPC, and an individual pension plan (IPP) for surplus retirement savings. Insight Accounting CPA models each year.

Why does MPC tax planning matter?

The tax deferral available inside a Medicine Professional Corporation (MPC) is 41 percentage points at Ontario’s top personal rate (53.53%) vs. the small-business corporate rate (12.2% pre-July 2026). On $200,000 of retained earnings that is $82,000 of deferred tax available for reinvestment. Compounded at 6% for 20 years, that reinvested tax deferral is worth $263,000 more than the after-tax personal alternative. But the deferral only works if the MPC is structured properly and the passive-income trap is avoided.

What is the optimal salary vs. dividend vs. bonus mix?

Q: What is the optimal salary vs. dividend vs. bonus mix for an Ontario physician?

For a typical family physician grossing $500,000 through an MPC in 2026:

  1. Salary of $180,500 — maximum earned income to generate the full 2026 RRSP room of $32,490 (18% × $180,500). Builds CPP contribution history. Deductible to the MPC.
  2. Dividend to spouse (if TOSI-exempt) — $30,000-$50,000 to a spouse over 65, or a spouse meeting the “reasonable return” test (labour/capital/risk).
  3. Non-eligible dividend to physician — residual to reach personal cash-flow target.
  4. Year-end bonus, if needed — to trim the MPC’s active business income to the $500,000 small-business limit, preserving the low combined rate.

This mix maxes RRSP, preserves the small business deduction, and defers roughly 40% of surplus earnings inside the MPC for reinvestment. Bader A. Chowdry, CPA, CA, LPA runs this optimization at every MPC year-end.

How do you avoid the passive-income trap?

Q: How do Ontario physicians avoid the passive-income trap on their MPC?

Every $1 of MPC passive income above $50,000 in the prior year reduces the current year’s $500,000 small-business limit by $5 (section 125(5.1) of the Income Tax Act). At $150,000 of passive income, the small-business limit is zero and the MPC pays Ontario’s general 26.5% combined rate on all active professional income.

The fix: cap passive income inside the MPC at $50,000. Redirect surplus to:

  • Individual Pension Plan (IPP) — for physicians drawing T4 salary, an IPP produces higher tax-deductible contribution room than an RRSP once age crosses roughly 40. Contributions are deducted by the MPC; investment income compounds tax-deferred.
  • Insured Retirement Plan (IRP) — permanent life insurance owned by the MPC produces tax-sheltered growth inside the policy; the cash-value collateralizes a personal line of credit for retirement income.
  • Non-connected investment corporation — a separate corp, unrelated to the MPC through the associated-group rules of section 256, holds passive investments outside the passive-income grind.

What is TOSI screening for physician family dividends?

Q: How does TOSI screening apply to physician family-member dividends?

Tax on Split Income (TOSI, section 120.4 ITA) applies the top personal tax rate (53.53% in Ontario for 2026) to dividends paid to family members who cannot claim an “excluded amount.” Family members of Ontario physicians rarely qualify because they cannot meet the “excluded business” test: the MPC’s income comes primarily from a related person’s (the physician’s) professional services.

Excluded amounts that do work for physicians:

  • Spouse over 65 — full exclusion once the physician-spouse turns 65.
  • Adult family member’s “reasonable return” — payments to a spouse or adult child based on documented labour, capital, or risk contribution. Documentation must be contemporaneous.
  • 20-hour test — an adult family member who works 20+ hours per week in the practice during the current or five prior years qualifies for an “excluded business” exemption.

The safe default: assume TOSI catches spouse and adult-child dividends. Only pay after Insight Accounting CPA confirms an exclusion.

Comparison: MPC remuneration by career stage

Career stage Salary Dividend Bonus Rationale
Early career (< 5 years, high debt) $80K-$100K Minimal None Debt repayment; RRSP room preserved
Mid-career FP ($500K gross) $180K $30K-$50K spouse (if TOSI-exempt) + residual to self Trim to $500K limit Max RRSP + preserve SBD
Mid-career specialist ($1M gross) $180K + IPP Residual eligible/non-eligible mix Trim to $500K IPP > RRSP; passive-income planning
Approaching sale (24+ months out) $180K Freeze equity + trust None (preserve QSBCS status) Multiply LCGE across beneficiaries

Frequently asked questions

Q: Should I max my TFSA and RRSP before dividending to myself?
Yes — always. TFSA (2026 dollar limit $7,000) is tax-free forever; RRSP defers tax at ~40% marginal savings. Dividending surplus into a taxable non-registered account is the least efficient option.

Q: Can I hold my investments in the MPC or should I use a separate holdco?
For most physicians, a separate holdco is not necessary in early years. Once passive income approaches $50,000 inside the MPC, either shift new investments to an IPP or set up a non-connected investment corp — but the associated-group rules of section 256 must be checked before assuming the holdco is truly non-connected.

Q: How often should I revisit my remuneration plan?
Annually, at year-end. The Ontario small-business rate is dropping July 1, 2026 (3.2% → 2.2%), the RRSP dollar limit indexes, and the passive-income prior-year lookback means this year’s investment income affects next year’s SBD. Insight Accounting CPA revisits the model each October-November for December year-ends.

Q: Does the LCGE still apply to physician-owned MPC shares?
Yes. Qualified Small Business Corporation shares of an MPC that meets the 90%/50% asset-use tests qualify for the $1,275,000 LCGE (2026 amount). The MPC must be a CCPC and the shares must be held 24 months before disposition.

Related reading:

Sources & references

Medical Specialty

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Important — informational only, not advice. Do not use this article to make any decision.

This article is published by Insight Accounting CPA Professional Corporation for general educational purposes only. It is not tax, legal, accounting, financial, or investment advice, and nothing in this article should be relied upon — by anyone, for any purpose — to make a business, tax, financial, accounting, legal, or investment decision.

Tax law, CRA administrative positions, court interpretations, and Ontario provincial rules change frequently, sometimes retroactively, and the content of this article may be incomplete, simplified, out of date, or wrong by the time you read it. The right answer for your specific situation depends on facts this article does not know — your structure, history, jurisdiction, filings, contracts, and goals.

Before acting, engage your own Chartered Professional Accountant or qualified advisor who has reviewed your specific circumstances in writing. Insight Accounting CPA Professional Corporation, the author, and any contributors expressly disclaim all liability — direct, indirect, or consequential — for any action taken or not taken on the basis of this content.

Insight Accounting CPA Professional Corporation is led by Bader A. Chowdry, CPA, CA, LPA — licensed by CPA Ontario under the Public Accounting Act, 2004. To engage us for situation-specific advice, book a free 30-minute discovery call.

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