Divorce can destabilize family businesses when the legal system treats company shares like any other marital asset. A study combining Swedish legal analysis with practitioner interviews identifies the key risks and the contractual tools that protect both the firm and the departing spouse.
Family businesses draw their strength from relationships—trust, shared history, long-term commitment. But when marriage breaks down, that relational foundation cracks in ways that extend far beyond the household. Divorce introduces legal uncertainty into ownership structures, governance arrangements, and succession plans. Swedish law, like many Western legal systems, treats business shares as marital property subject to division. The result is that a firm built over generations can be disrupted by a legal process designed for splitting household assets.
This study combines traditional legal analysis of Swedish statutory frameworks with empirical insights from interviews with experienced estate executors—practitioners who handle the actual division of assets in divorce cases involving family firms. The focus is on cases where one spouse holds shares in a family-owned business.
The researchers examined how Swedish marriage law applies to family business shares during divorce proceedings. They compared statutory provisions with practitioner experience to identify systemic gaps—places where the law fails to account for the distinctive characteristics of family firm ownership. The estate executors provided a ground-level perspective on how valuation disputes, emotional attachments, and the absence of clear legal guidance create recurring problems in practice.
Swedish law makes no special provision for family business shares during divorce. They are treated like bank accounts or real estate—divisible property to be split between spouses. This ignores the firm’s emotional value, its intergenerational significance, and the dependence of employees and other stakeholders on its continuity. The legal framework is structurally blind to what makes a family business different from a financial portfolio.
When shares are awarded to a non-participating ex-spouse, the consequences ripple through the firm. Governance becomes complicated when someone with no operational knowledge or alignment with the firm’s mission holds voting rights. Succession plans are disrupted. Stakeholder confidence erodes. In the worst cases, an unwanted co-owner can create deadlock or sell their stake to outsiders—introducing parties the family never chose to work with.
Family firms are inherently difficult to value. Unlike publicly traded shares, there is no market price. Practitioners described recurring battles over valuation methods, opaque bookkeeping, and strategic underreporting of firm value. Without Supreme Court precedents or clear statutory guidance, outcomes depend on negotiation power and informal norms rather than consistent legal principles. The process is slow, adversarial, and costly.
The concept of psychological ownership—the feeling that the business is part of one’s identity—has no standing in legal proceedings. Estate executors must treat the firm as a financial asset regardless of how deeply the owning spouse identifies with it. This disconnect fuels resentment and strategic behavior on both sides, making already painful proceedings more destructive.
Prenuptial agreements that classify business shares as separate property are the single most effective protection against divorce-induced disruption. They prevent forced ownership transfers and eliminate the need for contentious valuation proceedings. When shares are transferred to the next generation through gifts or inheritance, attaching conditions that maintain separate-property status provides an additional layer of protection.
Shareholder agreements should explicitly address what happens when an owner divorces. Buy-sell clauses that allow remaining shareholders to acquire a divorcing spouse’s shares at a predetermined formula prevent unwanted co-owners from entering the governance structure. Yet the study found that only a minority of family firms have such provisions in place.
Awarding business shares to a spouse who has no role in the firm often creates more problems than it solves. More appropriate forms of compensation include pension rights for spouses who sacrificed career opportunities and housing rights to the shared home. These provide economic fairness without destabilizing the business.
This study exposes a significant gap in how legal systems handle the intersection of family law and business ownership. The Swedish case illustrates a broader problem: laws designed for dividing household assets are poorly suited to protecting ongoing enterprises. The Austrian model, which excludes shares in unlisted businesses from divorce settlements unless they function as passive investments, provides a legislative template worth considering.

CeFEO counts more than 50 scholars and 30 affiliated researchers. Several studies and reports have consistently identified CeFEO as a leading research environment worldwide in the area of ownership and family business studies.
This research project, has been co-authored by the following CeFEO Members.
Spotlight highlights research-based findings only. If you’re interested in exploring this project further or delving into the theoretical and methodological details, we encourage you to contact the authors or read the full article for a comprehensive understanding.

Haag, K., & Sund, L.-G. (2023). Divorce in the family business: Unfolding the legal problems by learning from practice. Journal of Family Business Strategy.
https://doi.org/10.1016/j.jfbs.2023.100609

Spotlight is an innovative online family business magazine designed to bridge the gap between cutting-edge research and the real-world needs of practitioners, owners, and policymakers. Drawing on the latest findings from the Centre for Family Entrepreneurship and Ownership (CeFEO) at Jönköping International Business School, Spotlight delivers insightful, accessible summaries of key research topics. Our mission is to keep the family business community informed and empowered by offering actionable insights, expert analyses, and forward-thinking strategies that enhance business leadership and ownership practices for long-term success.
Spotlight is generously supported by the WIFU Foundation, which promotes research, education, and dialogue in the field of family business. This partnership enables us to continue bridging academic insights and real-world practice for the advancement of responsible family entrepreneurship and ownership.

CeFEO counts more than 50 scholars and 30 affiliated researchers. Several studies and reports have consistently identified CeFEO as a leading research environment worldwide in the area of ownership and family business studies. This research project, has been co-authored by the following CeFEO Members.
Spotlight highlights research-based findings only. If you’re interested in exploring this project further or delving into the theoretical and methodological details, we encourage you to contact the authors or read the full article for a comprehensive understanding.

Haag, K., & Sund, L.-G. (2023). Divorce in the family business: Unfolding the legal problems by learning from practice. Journal of Family Business Strategy.
https://doi.org/10.1016/j.jfbs.2023.100609

Spotlight is an innovative, AI-powered, online family business magazine designed to bridge the gap between cutting-edge research and the real-world needs of practitioners, owners, and policymakers. Drawing on the latest findings from the Centre for Family Entrepreneurship and Ownership (CeFEO) at Jönköping International Business School, Spotlight delivers insightful, accessible summaries of key research topics. Our mission is to keep the family business community informed and empowered by offering actionable insights, expert analyses, and forward-thinking strategies that enhance business leadership and ownership practices for long-term success.
Spotlight is generously supported by the WIFU Foundation, which promotes research, education, and dialogue in the field of family business. This partnership enables us to continue bridging academic insights and real-world practice for the advancement of responsible family entrepreneurship and ownership.