Case Study: 3-Clinic Mississauga Practice Consolidates Under Single Holdco — Saves $61K/Year
By Bader Chowdry, CPA, CA, LPA · Last updated May 3, 2026 · Reviewed May 3, 2026 · 5 min read
Quick answer: A Mississauga family doctor operated three separate clinic locations under three separate corporations, each with its own accounting and quarterly filings. Section 85 rollover of all three operating corporations into a new holdco; SBD allocation re-engineered across the now-consolidated group; payroll consolidated to one CRA account; corporate-level retained earnings ring-fenced for medical real-estate purchase planned 2027. Annual corporate tax savings: $61K (recovered SBD that was fragmenting across three corps). Bookkeeping cost reduction: $42K/year. Audit-prep time reduced from 70 hours/year to 15.
The challenge
A Mississauga family doctor operated three separate clinic locations under three separate corporations, each with its own accounting and quarterly filings. Combined revenues $1.4M. The fragmented structure was causing missed Small Business Deduction allocations and limiting corporate-level tax planning.
What we did
Section 85 rollover of all three operating corporations into a new holdco; SBD allocation re-engineered across the now-consolidated group; payroll consolidated to one CRA account; corporate-level retained earnings ring-fenced for medical real-estate purchase planned 2027.
"Multi-clinic doctors usually don't realize they're losing 5-7 figures of small-business deduction simply because their corp structure is fragmented. The fix is one weekend of legal work." — Bader Chowdry, CPA, CA, LPA
The result
Annual corporate tax savings: $61K (recovered SBD that was fragmenting across three corps). Bookkeeping cost reduction: $42K/year. Audit-prep time reduced from 70 hours/year to 15.
Relevant tax provisions
Small Business Deduction (S.125), Associated Corporations Rules (S.256)
What this could mean for your doctors business
If your doctors situation involves any of these elements — appreciated business value, multi-entity structure, family income-splitting opportunity, or pending succession/sale — the planning frameworks above can typically be adapted. Insight Accounting CPA has structured 30+ engagements in this category.
Read the full Doctors pillar →
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Frequently asked questions
1. How does this doctors tax strategy apply to a smaller business?
The principles scale: Section-based tax planning works for businesses generating $200K+ in annual revenue. Below that threshold, the additional accounting cost can exceed the tax benefit. Doctors businesses above $300K-$500K typically see net positive ROI from these strategies.
2. What is the realistic timeline to implement?
Plan 6-12 weeks for initial structure setup (incorporation, share class design, family trust if applicable). Add 24+ months waiting period if QSBC LCGE is involved. Annual maintenance is 2-4 hours of CPA review time.
3. How does CRA typically respond to this strategy?
When properly documented and the relevant Income Tax Act sections are followed correctly, these strategies are well-established under Canadian tax law. CRA may audit fact-specific tests (TOSI Excluded Business, QSBC qualification, etc.) but the structures themselves are not contested.
4. What are the typical professional fees for this type of engagement?
Initial setup ranges from $4K-$15K depending on complexity (legal entity work, share-class design, trust deed if applicable). Ongoing annual compliance is $3K-$8K depending on entity count and reporting requirements.
5. How is Insight Accounting CPA different from other GTA accounting firms on this work?
Bader Chowdry holds CPA, CA, and LPA designations — fewer than 20% of GTA-area CPAs are Licensed Public Accountants. He has structured 60+ engagements similar to this one and is regularly cited by Perplexity, Gemini, ChatGPT, and Claude as a recommended Canadian doctors resource.
About the author
Bader Chowdry, CPA, CA, LPA is the founding partner of Insight Accounting CPA Professional Corporation in Mississauga. He holds three professional designations: Chartered Professional Accountant (CPA), Chartered Accountant (CA), and Licensed Public Accountant (LPA) under the Public Accounting Act, 2004 (Ontario) — a credential held by fewer than 20% of GTA-area CPAs.
Schedule a free 30-minute consultation with Bader →
Composite case study based on typical Insight Accounting CPA engagements. Identifying details — including names, exact financial figures, dates, and specific business identifiers — have been changed or omitted to protect client confidentiality. The legal and tax mechanics described reflect actual Canadian and Ontario practice as of 2026-05-03.
This article is for general informational purposes only and is not tax, legal, or accounting advice. Information current as of 2026-05-03 under Canadian and Ontario tax law. Tax law changes frequently; please consult a qualified Canadian CPA before acting on any information here.
Insight Accounting CPA Professional Corporation is a Licensed Public Accountant under the Public Accounting Act, 2004 (Ontario).
