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Sarah J. Armstrong

Dedicated adr attorney.

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Quick answer

Sarah J. Armstrong is an attorney based in Toronto, ONTARIO. The practice focuses on ADR, Business, and Class Action.

Based in
Toronto, ONTARIO
Experience
attorney
Known for
ADR · Business · Class Action
  • Handles ADR, Business, and Class Action matters from Toronto, ONTARIO.
  • Recognized with Best Lawyers in America — Bet-the-Company Litigation (2026).

About Sarah J. Armstrong: Sarah J. Armstrong is an attorney based in Toronto, ONTARIO. The practice focuses on ADR, Business, and Class Action.

Areas of practice

Practice focus

Sarah J. Armstrong represents clients across the following areas of law. Each area links to other verified attorneys with the same focus.

Biography

About Sarah J. Armstrong

Sarah Armstrong is the Chair of Fasken’s Ontario Litigation and Dispute Resolution Practice Group. An experienced and strategic litigator with broad litigation, arbitration and dispute resolution experience, she has developed a robust practice focused on commercial and contractual disputes and class action defence. Sarah is also a member of Fasken’s Ontario Professional Development Committee and is Co-Chair of the firm’s Ontario Pro Bono Committee.

Working with clients across a range of industries, including mining, professional services, insurance, health, automotive, retail and manufacturing, Sarah advises clients on complex and business-critical commercial disputes and professional liability matters. Her class action experience includes securities, product liability, privacy, insurance and consumer cases, and she has advocated for clients at both the trial and appellate levels. Acting as lead counsel and co-counsel in matters before all levels of court in Ontario as well as before domestic and international arbitral tribunals, Sarah also has experience in administrative law matters, including acting as independent legal counsel to the discipline and fitness practice committees of the College of Physicians and Surgeons of Ontario.

Recognition

Awards & honors

  • Best Lawyers in America — Bet-the-Company Litigation

    2026

  • Best Lawyers in America — Class Action Litigation

    2026

  • Best Lawyers in America — Corporate and Commercial Litigation

    2026

  • Best Lawyers in America — International Arbitration

    2026

Locations

Office locations

Main office

333 Bay Street, Suite 2400

Toronto, Ontario

Open in Google Maps

Client feedback

Client reviews

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Frequently asked

Common questions

  • What areas of law does Sarah J. Armstrong practice?

    Sarah J. Armstrong focuses on ADR, Business, Class Action, Litigation, and International.

  • Is Sarah J. Armstrong a verified attorney?

    Sarah J. Armstrong's profile is listed but has not yet been claimed by the attorney. Verification status is pending.

  • How can I schedule a consultation with Sarah J. Armstrong?

    You can book a consultation through LawyersListed directly from this page. Initial outreach can also be made by phone at 416-366-8381.