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.
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.
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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 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.
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