Langlois is a full-service firm at the forefront of legal excellence, driven by a commitment to the highest standards of practice, a passion for the law, and an unwavering dedication to client service. As one of Quebec’s leading law firms, Langlois brings together over 180 professionals in Montreal and Quebec City and has consistently ranked among the Top 10 Quebec Regional Law Firms, recognized by industry and clients alike. The firm provides comprehensive legal services to corporate and institutional clients in business law, civil and commercial litigation, labour and employment law, aboriginal law and insurance law, with expertise spanning key sectors such as construction and infrastructure, capital markets, mergers and acquisitions, financial services and banking, energy and environment, governance and ethics, restructuring and insolvency, taxation, intellectual property, and personal information.
MAIN PRACTICE AREAS 
Litigation: Litigation is at the core of our practice, and our Litigation group is one of the largest in Quebec. Our professionals bring deep expertise across a broad spectrum of legal disputes, representing companies and organizations with sharp legal insight steadfast advocacy – whether pursuing claims or mounting a defence.
Business Law: We provide comprehensive legal counsel to businesses of all sizes across the private, public, and parapublic sectors. Our expertise spans corporate structuring, dissolution and liquidation, M&A, banking and finance, securities offerings, and international transactions. The firm also has deep experience in financial restructuring and insolvency matters, guiding clients through complex challenges with clarity and strategic foresight.
Labour and Employment Law: With nearly 30 professionals in the group, ours is the largest in Quebec, offering comprehensive counsel on all aspects of workplace law, including employment contracts, collective bargaining, dismissals and disciplinary measures, occupational health and safety, pensions and benefits, and labour disputes, providing strategic guidance to employers in navigating complex workplace challenges.
Insurance Law: Our group has extensive expertise in insurance, civil liability, and professional liability matters. We take a pragmatic approach, balancing financial considerations with our clients’ strategic objectives. Our clients include insurers, insurance funds, mutual associations, brokers, and risk managers, who rely on our team for sound legal guidance and effective risk management solutions.
Capital Markets and Securities: As one of Canada’s leading law firms in the specialized small-cap sector, we have deep insight into trends, regulations, and legislative developments. Our professionals advise Canadian issuers on key transactions and ongoing obligations, including disclosure, filings, regulatory compliance, and corporate governance, ensuring they navigate the complexities of the market with confidence.
Mergers and Acquisitions: Whether navigating high-stake sophisticated international transactions or structuring strategic deals for growing businesses, we provide customized legal solutions tailored to each client’s needs. Teamwork and collaboration are core to our approach—our lawyers work closely with clients, accountants, financial intermediaries, and other advisors to ensure efficient, well-executed transactions.
Taxation Law: We offer comprehensive expertise in Canadian and international tax planning for businesses of all sizes, from private companies to multinational corporations. With years of experience handling large-scale global transactions, our tax lawyers deliver practical, innovative, and value-driven solutions tailored to each client’s needs. Our team works seamlessly with other professionals within the firm, ensuring a collaborative approach that is personalized for both private and public clients. Our tax expertise is often sought after by firms, further underscoring our reputation for excellence in the field.
Maritime Law: With over a century of experience, we offer in-depth expertise in Canadian maritime and admiralty law, covering areas such as ship acquisition, operation and financing, hull and P&I insurance, collisions, salvage, and general average. We also handle marine environmental concerns and legal matters in the energy sector, including the supply and transportation of oil and gas by sea, providing comprehensive legal solutions for a wide range of challenges facing the maritime community.
Education Law: For many years, our team has acted as a trusted advisor to educational leaders across both public and private systems, including school boards, private colleges, CEGEPS, and universities. We provide strategic legal counsel and represent our clients before arbitration boards, administrative tribunals, and courts, ensuring their interests are effectively safeguarded.
Administrative Law: We provide expert representation before civil and administrative tribunals as well as public service boards, in matters related to the Canadian and Quebec human rights charters. Our team handles judicial reviews of administrative actions, legal and constitutional challenges to laws and regulations, and injunctions and writs of mandamus, offering comprehensive and strategic advocacy in complex administrative law cases.
