About Bortolussi Family Law

Bortolussi Family Law is a firm in Vaughan, Ontario that practises family law exclusively. It was established in 1984 by Lorraine A. Bortolussi and has grown to seven lawyers who together bring more than 145 years of combined family law experience. The team works across separation and divorce, custody and parenting time, support, mediation, collaborative practice, and arbitration, and the office at 3300 Highway 7 West serves clients throughout the Greater Toronto Area, including Mississauga, Brampton, Markham, and Etobicoke.

Bortolussi holds a law degree from the University of Ottawa and an LL.M. in Alternative Dispute Resolution from Osgoode Hall Law School at York University, and is accredited as a family mediator through the Ontario Association for Family Mediation. Beyond the firm, Bortolussi has served as a Deputy Judge of the Small Claims Court for twenty years, developed the Family Law course for York University's Certificate in Family Mediation program in 2018/2019 and was a part-time instructor in the course, and is a past President of the Ontario Association for Family Mediation. The firm also takes on more complex separations, including cases where a family business has to be valued and divided or where an estate freeze or family trust needs to be unwound, work that draws on this dispute resolution background alongside litigation.

Practice areas

Milestones & recognition

  • Established in 1984, the firm has practised family law in Vaughan for more than 41 years.
  • The firm has received accolades for its service from the Vaughan Chamber of Commerce and the Ontario Association for Family Mediation.
  • The founder has sat as a Deputy Judge of the Small Claims branch of the Ontario Superior Court of Justice for twenty years.
  • The founder completed the Harvard Law School Mediation Workshop in 2001 and is a past President of the Ontario Association for Family Mediation.
  • Two lawyers at the firm are trained in collaborative family practice and belong to the York Region Collaborative Practice Group, and two are trained family arbitrators.

Good to know

A person using a wheelchairWheelchair accessibleA laptop showing a video callVirtual appointmentsA calendar with a checkmark beside a clockBy appointmentAn office interior with a desk and chairsIn-person services

This firm’s lawyers at a glance

Called to the bar
1984–2024 · median 19 years in practice 6 of 7 lawyers
Law schools
Osgoode Hall Law School (2), Bora Laskin Faculty of Law, Lakehead University, University of Ottawa, University of Saskatchewan, College of Law, University of the West Indies, University of Western Ontario 7 of 7 lawyers

The neighbourhood

The firm's office is on Highway 7 West in Vaughan, a short distance off Highway 400 and about a block west of the Vaughan Metropolitan Centre TTC station, with on site parking for clients who drive in. That mix of highway and subway access fits a firm that draws clients from well beyond Vaughan itself: the practice serves clients across the Greater Toronto Area, and it also meets clients by phone or video when an in person visit isn't practical.

Frequently asked questions

Does Bortolussi Family Law only go to court, or do they offer mediation and collaborative law too?
The firm offers negotiation, mediation, collaborative family law, and arbitration alongside litigation. Two of its lawyers are trained in collaborative practice and belong to the York Region Collaborative Practice Group, and the founder is an accredited family mediator, so a case doesn't have to end up in court to be handled by the firm.
How long has Bortolussi Family Law been practising in Vaughan?
The firm was established in 1984 and has practised family law in Vaughan for more than 41 years, growing to seven lawyers who work exclusively in this area of law.
We own a business together. Can Bortolussi Family Law help divide it as part of our separation?
Yes. The firm handles the valuation and equalization of family businesses on separation, including situations where a marriage contract or cohabitation agreement already addresses how the business is to be treated, and it advises clients to plan for this early.
What areas does Bortolussi Family Law serve?
The firm is based in Vaughan and serves clients across the Greater Toronto Area, including Mississauga, Brampton, Markham, and Etobicoke, with in person and virtual appointments available.
Can grandparents get access to their grandchildren after a separation?
Not automatically. Ontario law prioritizes parental rights, so a grandparent generally needs to apply to court, and access is granted only if it's found to be in the child's best interests. This is general information, not legal advice.
Does the firm handle high asset or executive compensation issues in a divorce?
Yes. The firm's family law information covers dividing investment portfolios, stock options, bonuses, and pensions acquired during a marriage, and it discusses options like mediation or arbitration for clients who want more privacy than a public court file allows.

Where to find them

3300 Hwy 7 West, Suite 210, Vaughan, ON L4K 4M3 · 416-987-3300

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Listing compiled from the firm’s public website in September 2026. Verify licence status in the Law Society of Ontario directory ↗