All articlesCourt & enforcement

    Family arbitration in Ontario

    Norm BarretteJune 2, 20262 min read

    Last updated: June 16, 2026

    Family arbitration in Ontario

    Family arbitration in Ontario is a private dispute-resolution process where you hire a decision-maker — the arbitrator — to decide the issues, with the decision binding both spouses. Unlike mediation, where the third party helps you decide, the arbitrator imposes a decision after hearing both sides. Unlike court, arbitration is private, you choose the arbitrator, and you control the timing. Arbitration sits between mediation and litigation: more structured, more decisive, more expensive than mediation; faster, more private, and more flexible than court.

    Ontario family arbitration is governed by the Arbitration Act and section 59 of the Family Law Act. The Family Law Act requires specific procedural protections — written agreement, Independent Legal Advice for each spouse, application of Ontario family law — without which the arbitration award cannot be enforced.

    When this does apply

    Arbitration fits when both spouses want a decision (not a negotiated settlement) but want to avoid the court process. Typical Ontario cases: complex financial files where both sides want a specialist arbitrator with deep family-law expertise; files where privacy matters (executives, public-facing professionals); files where the court backlog would push trial out two or three years and the spouses cannot wait. The Ontario Family Law Act requires each spouse to take Independent Legal Advice before signing the arbitration agreement, the agreement must specify Ontario law applies, and certain matters (notably divorce itself) cannot be arbitrated and must still go through court.

    When this doesn't apply

    Arbitration is not the right route when one spouse will not engage — you cannot arbitrate without consent. It is also not the right route when finances are tight: arbitrators charge $400 to $750 per hour, and a full arbitration with hearings, pre-arbitration conferences, and a written award often costs $25,000 to $75,000 per side. That said, when compared with full court litigation ($50,000 to $200,000+ per side over multiple years), arbitration is often the cheaper, faster, and more private path for cases that cannot be settled. Arbitration awards can be appealed only on narrow grounds — much narrower than a court decision. If you do not want a binding decision you cannot easily challenge, mediation or collaborative practice are more flexible.

    What to do

    If arbitration is on the table, the first step is getting Independent Legal Advice on the arbitration agreement itself. Each spouse uses their own family-law lawyer. The agreement specifies the arbitrator (or a process to select one), the issues to be arbitrated, the rules, the cost-sharing, and that Ontario family law applies. Most Ontario family arbitrators are senior family-law lawyers with arbitration training; the Ontario Association for Family Mediation and ADR Institute of Ontario both list accredited practitioners. The arbitration itself typically involves a pre-arbitration conference, an exchange of position papers, a one- to three-day hearing, and a written award within 30 to 60 days.

    See your specific Ontario plan at cairnguide.ca/signup.

    Frequently asked questions

    What is family arbitration in Ontario?

    A private dispute resolution process where both spouses hire a decision-maker - the arbitrator - to decide the issues, with the decision binding both sides. Unlike mediation, the arbitrator imposes a decision. Unlike court, it is private and the spouses choose the arbitrator and timing. Most Ontario family arbitrators are senior family-law lawyers with arbitration training.

    How much does family arbitration cost in Ontario?

    Arbitrators charge $400 to $750 per hour. A full Ontario family arbitration with pre-arbitration conferences, hearings, and a written award typically costs $25,000 to $75,000 per side - cheaper than full court litigation ($50,000 to $200,000+ per side over multiple years) for complex contested files.

    Can you appeal a family arbitration award in Ontario?

    Only on narrow grounds. The Arbitration Act allows appeals to the Superior Court of Justice on questions of law (or law and fact, if the arbitration agreement permits). Appeals on findings of fact alone are generally not available. This narrow appeal is part of what makes arbitration faster and more final than court - but also why you have to be sure about the arbitrator before signing.

    What can be arbitrated in Ontario family law?

    Parenting time, decision-making, child support, spousal support, equalization of net family property, the matrimonial home, and most other family-law issues. Divorce itself cannot be arbitrated and must still go through the Superior Court of Justice. The arbitration agreement specifies which issues are within the arbitrators authority.

    Do I need a lawyer for family arbitration in Ontario?

    Yes - the Ontario Family Law Act requires each spouse to take Independent Legal Advice on the arbitration agreement before signing. Most spouses are also represented by family-law counsel during the arbitration itself, given the cost and finality of the process. Self-representation in family arbitration is possible but uncommon.