Welcome to Willms & Shier Environmental Lawyers LLP, Canada's leading environmental law firm. For more than 30 years we have guided companies and municipalities to environmental due diligence in managing industrial operations, contaminated land clean-up, transactions and lawsuits. We represent clients in civil litigation trials and at regulatory tribunal hearings. We defend them from prosecutions. We help them obtain approvals for air emissions, water discharges and waste management and disposal.

We provide practical, actionable legal solutions for Canada's most complex environmental law challenges. Our clients rely on our legal knowledge, our experience and our mastery of environmental issues.

We are known for our exceptional commitment to responsiveness and customer service.

Our clients include industrial sectors such as steel and metal manufacturing, auto parts, food processing, chemical production, packaging, printing and wood products manufacturing. We advise upper and lower-tier municipalities, school boards, conservation authorities, transit authorities and other special purpose bodies.