Atty. Sarah Langille

Atty. Sarah Langille

Sarah Langille is a Partner in Miller Thomson’s Business Law Group, with a focus on corporate law, mergers and acquisitions, as well as the emerging growth and venture capital sectors. She excels in private M&A, acting for private corporations engaging in asset or share sales.

Waterloo Waterloo 8 yrs experience 8 year
Call (519) 579-3660 Book Appointment

Profile Summary

About Sarah Langille at a glance

Sarah Langille is a business attorney based in Waterloo, Ontario, practicing at Miller Thomson LLP. They have 8+ years of legal experience, licensed to practice since 2018. Admitted to practice in Ontario, Law Society of Ontario (2018). Educated at Osgoode Hall Law School (—, 2017) and Sussex University (J.D., 2016). Recognitions include Best Lawyers in America — Corporate Law (2026), Best Lawyers in America — ™ (2026), and Best Lawyers in America — from 2024-2025 for work in: (2026). Serands clients in Waterloo, ON and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Sarah Langille is a Partner in Miller Thomson’s Business Law Group, with a focus on corporate law, mergers and acquisitions, as well as the emerging growth and venture capital sectors
  • She excels in private M&A, acting for private corporations engaging in asset or share sales
  • She also provides general business and corporate advice to clients regarding operational and transactional matters and has advised early-stage start-ups and high-growth companies on all legal matters in order to make themselves investment ready
  • Outside of the office, Sarah has demonstrated her commitment to her community as a volunteer with various organizations including a board member and executive committee member of Business & Education Partnership of Waterloo Region

Practice Areas Explained

Sarah Langille's Areas of Practice

Each practice area below reflects the types of cases Sarah Langille handles, with a brief overview of what that area of law covers.

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Sarah Langille is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Ontario →

Jurisdictional Context

Why local counsel matters in Ontario

Practicing law in Ontario. Legal matters in Ontario are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Waterloo are typically filed in the local municipal court or the appropriate Ontario state district court, depending on subject matter and amount in controversy. An attorney licensed in Ontario brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Ontario courts without local counsel or pro hac vice admission.

Looking for additional Ontario attorneys? Browse all attorneys in Waterloo or all attorneys in Ontario.

Frequently Asked

Common questions about Sarah Langille

Where is Sarah Langille's law office located?
Sarah Langille's law practice is located in Waterloo, Ontario. The firm is Miller Thomson LLP. You can contact the office directly through this profile page.
What practice areas does Sarah Langille handle?
Sarah Langille focuses on business. Each practice area listed reflects experience handling cases of that type in Ontario.
How long has Sarah Langille practiced law?
Sarah Langille has 8+ years of legal experience and has been licensed since 2018.
Where did Sarah Langille go to law school?
Sarah Langille earned their education at (—, 2017); (J.D., 2016); (B.A.H., 2012).
How can I contact Sarah Langille for a consultation?
You can contact Sarah Langille directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Sarah Langille received?
Sarah Langille's notable recognition includes: Best Lawyers in America — Corporate Law; Best Lawyers in America — ™; Best Lawyers in America — from 2024-2025 for work in:; Best Lawyers in America — Trusts and Estates - 2025; Best Lawyers in America — Trusts and Estates - 2024.

Practice Areas

Education

Osgoode Hall Law School
- 2017
J.D.
Sussex University
- 2016
B.A.H.
Wilfrid Laurier University
- 2012

Awards

Best Lawyers in America — Corporate Law
- 2026
Best Lawyers in America — ™
- 2026
Best Lawyers in America — from 2024-2025 for work in:
- 2026
Best Lawyers in America — Trusts and Estates - 2025
- 2026
Best Lawyers in America — Trusts and Estates - 2024
- 2026

Bar Admissions

Ontario, Law Society of Ontario
Admitted: 2018

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