Law360 Canada (September 2, 2026, 12:17 PM EDT) --

Bradley Phillips

An estate freeze puts tax liabilities on ice, but heated family dynamics can melt away the tax benefits of the freeze.

Under ss. 70(5) of the Income Tax Act, death triggers a mandatory deemed disposition of capital property at fair market value, exposing corporate growth to steep capital gains liabilities. The estate freeze mitigates this by transferring future growth to the next generation while the founder retains operational governance through voting preferred shares.

Tax savings can become problematic if the freeze plants seeds for the business’ implosion.

In Naneff v. Con-Crete Holdings Ltd., 1995 23 O.R. (3d) 481, the parents excluded their son because they disliked his girlfriend. In Wilfred v. Dare, 2017 ONSC 2718, one of the kids wanted to cash out. In an estate freeze, parental corporate control dissipates because issuing children growth shares irrevocably creates protected minority shareholders who hold statutory rights and remedies.

Legal framework

• The Ontario Business Corporations Act (OBCA), s.248 (The Oppression Remedy): This provision provides the primary protection for beneficial and registered shareholders against conduct that is oppressive, unfairly prejudicial, or that unfairly disregards their interests.
• S.246, the OBCA (Derivative Action): This provision permits a complainant to apply for court leave to initiate legal proceedings on behalf of the corporation to remedy breaches of duty committed directly against the corporate entity;
• S.140, S.154, the OBCA (Informant Rights): These provisions codify explicit inspection rights, allowing shareholders to access corporate registers, minute books, and financial statements.
• The Income Tax Act (ITA), ss.84(3) and 86: These provisions govern the structural tax mechanics, regulating share rollovers, tax-deferred exchanges, and deemed dividends during forced buyouts.

Corporate friction and remedies

The majority of estate freeze disputes manifest when personal animosity spills into company management, forcing courts to intervene.

Oppression in the family business

When a founder unilaterally terminates a child’s employment or suppresses trust distributions following a personal dispute, the child can apply for relief under s. 248 of the OBCA. In BCE Inc. v. 1976 Debentureholders, 2008 SCC 69, at paras. 56-59), the Supreme Court of Canada established the governing two-steps test for oppression: proving a “reasonable expectation” and demonstrating that such expectation was breached by oppressive conduct.

In Naneff v. Con-Crete Holdings Ltd., (at paras. 27-30), the Court of Appeal for Ontario affirmed that s. 248 protects a complainant strictly in their capacity as a corporate stakeholder (shareholder, director or officer), not their familial status. However, in closely held family enterprises where employment, governance and equity are intertwined, a child actively working in the business maintains a reasonable expectation of continued participation and financial benefit. Personal hostility does not give a founder authority to strip those corporate entitlements.

Fiduciary misconduct and derivative claims

Where a founder reacts to a breakdown by engaging in unauthorized self-dealing — such as transferring corporate funds to personal accounts — the minority shareholder can seek leave under section 246 of the OBCA to bring a derivative action. As affirmed in Malata Group (HK) Ltd. v. Jung, 2008 ONCA 111, at para 34), oppression and derivative remedies “are not mutually exclusive.”

Under Amicus Syntax Software Inc. v. Brown, 2016 ONSC 407, at paras. 15-18), where controlling directors divert corporate assets for personal use, leave to bring a derivative action is readily granted because the wrongdoer in control will not authorize an action against themselves. Furthermore, individual directors who extract personal financial advantages during a dispute face direct personal liability under Wilson v. Alharayeri, 2017 SCC 39, at paras. 48-51).

Judicial remedies and tax consequences

When family litigation pushes an estate freeze into court, judges must balance statutory remedies against the economic realities of the tax reorganization.

Courts generally respect the structural reality of an estate freeze executed in good faith and will not unwind it simply because relationships later decay (Reisman v. Reisman, 2014 ONCA 109, at paras. 40-44). While oppressed minority stakeholders frequently request a court-ordered winding-up under s. 207 of the OBCA, courts regard corporate liquidation as an extreme remedy of last resort. Instead, courts more typically deploy tailored remedies under s. 248(3) of the OBCA, including:

• Forced shared buyouts (s. 248(3)(f)): ordering the corporation or majority owner to purchase the minority’s growth shares at FMV without applying a minority discount;
• Governance stripping (s. 248(3)(a), (d)): removing oppressive founders or trustees from executive oversight or trust management
• Appointment of receiver-managers (s. 248(3)(b)): placing operations under independent judicial oversight to protect corporate assets.

Notably, these judicial remedies may carry significant tax consequences. If a court orders the corporation to redeem a minority’s growth shares, ss. 84(3) of the ITA treats the payout as a deemed dividend to the extent it exceeds nominal paid-up capital. This converts capital gains into taxable dividend income at top marginal rates, thus forfeiting Lifetime Capital Gains Exemption eligibility and triggering immediate tax liabilities.

Conclusion

Ultimately, preserving both wealth and commercial viability requires advisers to look beyond just tax minimization and deferral of tax. They should endeavour to structure conflict-resistant corporate governance long before domestic disputes dismantle the enterprise.

A webinar on corporate disputes in family businesses will be hosted by Wagner Sidlofsky LLP on Sept. 8, 2026, starting at 12 p.m. The presenters plan to review estate freezes, family dynamics, and explore practical litigation strategies when family businesses fracture. For more information and to register, please visit this link.

Bradley Phillips is a partner and a member of Wagner Sidlofsky LLP’s estate and commercial litigation groups.

The opinions expressed are those of the author(s) and do not necessarily reflect the views of the author’s firm, its clients, LexisNexis Canada, Law360 Canada or any of its or their respective affiliates. This article is for general information purposes and is not intended to be and should not be taken as legal advice.

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