Margaret R. O'Sullivan
About Margaret R. O'Sullivan
Margaret R. O'Sullivan is a lawyer based in Toronto, ON and has been recognized in The Best Lawyers in Canada™ since 2006. Margaret R. O'Sullivan is recognized in the following practice area:
- Toronto, Ontario
- Trusts and Estates
Current Firm: O'Sullivan Estate Lawyers LLP
Location: Toronto, ON
It takes just a few minutes to optimize your profile for prospective clients and lawyers ready to refer.
Log in to your account or continue as a guest to view annual subscription pricing.
Nearby Lawyers
Christopher Somerville is a lawyer recognized by Best Lawyers in the practice area of Corporate and Commercial Litigation. Christopher practices law in Toronto, Ontario Best Lawyers has recognized Christopher Somerville since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Christopher Somerville is held by other lawyers.
Michael Winterstein is a lawyer recognized by Best Lawyers in the practice area of Labour and Employment Law. Michael practices law in Toronto, Ontario Best Lawyers has recognized Michael Winterstein since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Michael Winterstein is held by other lawyers.
Hugh Wright’s practice focuses in the area of pensions and benefits, providing advice to pension plan sponsors, administrators, and service providers on the full range of pension and benefit matters, including related investment matters and the resolution of disputes. He focusses on finding efficient and effective solutions for clients enabling them to navigate the complex regulatory and legal framework in which they operate and realize their strategic and business objectives. Hugh is a...
Jenny P. Mboutsiadis is a seasoned tax litigator with over two decades of trial experience as lead counsel. She has extensive successful experience arguing tax cases in the Tax Court of Canada, the Ontario Superior Court of Justice, the Federal Court, and the Federal Court of Appeal. Jenny provides clients with exceptional knowledge on resolving tax disputes with Canadian tax authorities, from the start of a tax audit to trial. Her practice focuses on corporate tax matters, including transfer...
Evan Green is one of the two Senior Partners at Green and Spiegel and is Certified as a Specialist in Immigration Law by The Law Society of Ontario. Evan is called to the bar in both Canada and the United States and is able to practice federal immigration law in both countries. Evan has been practicing immigration law for over 26 years and has extensive experience in all areas of Canadian immigration. Evan has been identified for many years as a leading practitioner in immigration law. Evan i...
Matthew Tevlin is a partner at Torkin Manes LLP in Toronto, Ontario, and Chair of the firm’s M&A and Private Equity & Venture Capital Groups. His practice focuses on Corporate Law and Venture Capital Law, with additional experience in mergers and acquisitions, private equity transactions, cross-border matters, and corporate finance . Matt advises private equity firms, venture capital funds, merchant banks, founders, and established businesses across a range of industries, includ...
Ray Mikkola’s practice focuses on all matters relating to commercial real estate, acting for a broad range of lenders, borrowers, land developers, sub-dividers, builders, condominium developers, condominium corporations, municipalities, and other entities. A recognized authority in real estate, Ray has over 30 years of experience in acting on property sales and purchases, land development, condominium development and administration, expropriation, sales and purchases from and by court a...
Biography Matthew Latella has over 25 years of experience as a trial lawyer and a track record of success in high-stakes matters, both acting for plaintiffs and defendants. He leads the Firm's Canadian international arbitration practice and has been lead counsel on several of the leading Canadian court cases involving international arbitration, successfully arguing precedent-setting cases up to the Supreme Court of Canada. He has been recognized as an "outstanding professional" and described ...
Jon Levin has an unmatched reputation for providing top-level advice. An advocate of exemplary client service, Jon has acted as lead counsel in high profile financings, takeovers and restructuring transactions. In the corporate governance area, Jon has advised special committees and has provided strategic guidance on board procedures and the implementation of governance polices in response to new legislation and developments. Jon has served as a director of a number of public and private comp...
Romaana Shariff is the founding Managing Partner of Shariff & Associates . She has a comprehensive family law practice with experience in all matters related to divorce and separation, including parenting issues, child and spousal support, and property division. She also assists clients with Wills preparation and creating powers of attorney. Romaana is a solution-oriented family lawyer who believes in fostering a positive solicitor-client relationship and working to achieve the best possi...
Explore and Learn
What AI Visibility Means for Lawyers
by Bryan Driscoll and Josh Rupall
AI tools increasingly interpret lawyers public information. Clear, consistent and credible sources help ensure they describe legal expertise accurately.
The Best Lawyers in Canada 2027: Recognizing the Nation's Top Legal Talent
by Jamilla Tabbara
Honoring established leaders and rising practitioners across Canada's legal profession.
2027 Best Lawyers Awards: Honoring Excellence in the Legal Profession
by Jamilla Tabbara
Recognizing the outstanding attorneys leading top practice areas nationwide.
Musk v. Altman: The Lawyers Behind the Case
by Jamilla Tabbara
Meet the Trial Lawyers Shaping One of AI's Biggest Legal Disputes.
Announcing the 2027 Best Lawyers Awards: Austria, Germany and Switzerland
by Jamilla Tabbara
Celebrating the legal professionals throughout Central Europe.
The Legal Teams Behind the Blake Lively–Justin Baldoni Settlement
by Grace Greer
A closer look at the legal teams and attorneys involved in the Blake Lively–Justin Baldoni litigation and its resolution.
The Best Lawyers in France 2027: Peer-Reviewed Excellence
by Jamilla Tabbara
Seventeen editions of peer trust, a growing profession and a dynamic legal market.
Rules on Gifting Money to Family: What to Know
by Bryan Driscoll
Generosity often runs ahead of paperwork. Here's how to give to loved ones without surprising the IRS, your estate plan or your relationships.
Who Can Override a Power of Attorney?
by Bryan Driscoll
A power of attorney carries real legal authority, but it isn't absolute. Here's who can step in to revoke, restrict or set it aside.
How to Get an Eviction Off Your Record
by Bryan Driscoll
Whether an eviction can be removed, sealed or corrected depends on your state, your case and where the record appears.