Atty. Shira Kalfa
Shira Kalfa founded Kalfa Law Firm in 2018, serving as its principal lawyer with a focus on corporate-commercial and private M&A law. The firm manages over 50 business transactions annually across industries like construction, hospitality, education, manufacturing, health care, fitness, retail, wholesale, and real estate with an enterprise value of between $1 million and $30 million.
Profile Summary
About Shira Kalfa at a glance
Shira Kalfa is a business attorney based in Markham, Ontario, practicing at Kalfa Law. Recognitions include Best Lawyers in America — Corporate Law (2026). Serands clients in Markham, ON and the surrounding metropolitan area.
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About
- Shira Kalfa founded Kalfa Law Firm in 2018, serving as its principal lawyer with a focus on corporate-commercial and private M&A law
- The firm manages over 50 business transactions annually across industries like construction, hospitality, education, manufacturing, health care, fitness, retail, wholesale, and real estate with an enterprise value of between $1 million and $30 million
- With a background in tax law, she advises on tax planning to minimize obligations, especially in sales or purchases, and specializes in tax-driven reorganizations under sections like 85, 86, purifications, and butterflies
- Educationally, Shira graduated Summa Cum Laude from York University in 2012 and from Western Law in 2015 with a business law specialization
- She gained experience at a large central Ontario firm before launching her practice
- Her recognitions include Best Lawyers One’s to Watch in corporate law for 2023, 2024, 2025 and 2026
- Lexpert’s Rising Stars as a Lawyer to Watch in 2023
- features in Lexpert Finance and M&A Edition (2024) and Canadian Legal Lexpert Directory (2024, 2025)
- Canada’s Top 100 Professionals Magazine (2023)
- and media appearances on Newstalk 1010, with contributions to the Toronto Star, Globe & Mail, Hill Times, and articles in Lawyers Daily
- As founder of Kalfa Law Firm, Shira leads a practice nominated for Small Business of the Year (2020) and Best Law Firm (2021)
- She demonstrates thought leadership by speaking at Ontario Bar Association CPD seminars on tax in private M&A and at the International Business Brokers Association (Canada) on transactional law
- Nominations for RBC Canadian Women Entrepreneur Awards as a Woman of Influence (2021, 2023) and Businesswoman of the Year (2020) highlight her influence in business and law
Practice Areas Explained
Shira Kalfa's Areas of Practice
Each practice area below reflects the types of cases Shira Kalfa 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.
Shira Kalfa 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 Markham 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 Markham or all attorneys in Ontario.
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