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Trusted Immigration Lawyers in Toronto
Cumming & Partners is a leading cross-border immigration law firm based in Toronto, Canada, specializing in U.S. and Canadian business immigration. Our senior partners are licensed to practice law in both countries and have collaborated for over two decades, offering integrated expertise across both legal systems. We advise corporations, entrepreneurs, and professionals on strategic immigration solutions tailored to their business goals. With a team of over 50 professionals, we provide full-service immigration support, emphasizing precision, efficiency, and exceptional client service. We represent major private and public companies in North America and serve as outside immigration counsel to top law firms, combining big-firm expertise with boutique flexibility.

Our reputation is built on superior client service, high-quality standards, and solutions that efficiently advance client objectives. We focus on creative problem-solving, timely advice, direct lawyer access, and a blend of legal and practical solutions. Our proprietary software enhances service efficiency while maintaining personalized attention. The firms continuity of lawyers and staff fosters unmatched client loyalty. Contact us today for tailored immigration assistance.
Services
U.S. Immigration Canadian Immigration Work Visas Permanent Residence Citizenship Inadmissibility Waivers
Highlights and features
  • We have over two decades of cross-border immigration expertise.
  • Our senior partners are licensed in both U.S. and Canadian law.
  • We serve Fortune 500 companies and top-tier law firms.
  • Our team of 50+ professionals ensures personalized service.
  • We combine proprietary technology with white-glove client care.
Services
U.S. Immigration
Cumming & Partners provides comprehensive U.S. immigration legal services, including work visas, green cards, citizenship, and inadmissibility waivers. Our senior lawyers handle thousands of cases annually for individuals and corporations. We specialize in L-1, H-1B, TN, and O visas, ensuring compliance with U.S. immigration laws while aligning solutions with client business goals.
Canadian Immigration
Our firm offers end-to-end Canadian immigration services, including work permits, permanent residence, and citizenship. We assist clients with Express Entry, provincial nominee programs, and family-based immigration. Our Toronto-based team provides tailored solutions for businesses and individuals navigating Canadas immigration landscape, ensuring seamless compliance and strategic outcomes.
Work Visas
We specialize in securing work visas for U.S. and Canadian immigration, including intra-company transfers, treaty traders, and extraordinary ability visas. Our services cover LMIA applications, CUSMA permits, and LMIA-exempt entries. We advise employers and employees on documentation, compliance, and renewal processes to ensure uninterrupted employment authorization.
Permanent Residence
Cumming & Partners assists clients in obtaining permanent residence in the U.S. and Canada through employment, family sponsorship, or investment. We handle EB-1/EB-2 visas, Express Entry profiles, and investor programs. Our team ensures accurate applications, renewal guidance, and compliance with residency maintenance requirements for long-term stability.
Citizenship
We guide clients through U.S. and Canadian citizenship processes, including naturalization, birthright claims, and renunciation. Our services cover eligibility assessments, application preparation, and representation for individuals seeking to confirm or acquire citizenship. We address complex cases involving dual nationality and generational claims.
People
T. Andrew Cumming
Founder & Managing Partner
T. Andrew Cumming founded Cumming & Partners and leads its strategic direction. With decades of cross-border immigration expertise, he specializes in corporate immigration solutions for Fortune 500 companies and startups.
Ian J. Gos
Co-Founder & Head of Corporate Immigration
Ian J. Gos co-founded the firm and heads the corporate immigration practice. He advises multinational corporations on compliance, work permits, and permanent residence strategies across U.S. and Canadian jurisdictions.
Mindy Tessler-Scott
Co-Founder & Senior Partner
Mindy Tessler-Scott brings extensive experience in individual and family-based immigration cases. She focuses on citizenship claims, marriage-based visas, and complex inadmissibility waivers for global clients.
Hillary Bullock
Senior Partner
Hillary Bullock specializes in U.S. immigration law, managing high-volume corporate cases and employment-based green card applications. She ensures efficient processing for Fortune 500 clients and law firms.
Peina Guan
Chief Financial Officer
Peina Guan oversees financial operations at Cumming & Partners, ensuring fiscal stability and resource allocation to support the firms growth and client service excellence.
Questions
What immigration services do you offer?
We provide U.S. and Canadian immigration services, including work visas, permanent residence, citizenship, and inadmissibility waivers for individuals and corporations.
How do you assist corporate clients?
We offer tailored immigration solutions for businesses, including work permits, compliance strategies, and global mobility programs to support cross-border operations.
Do you serve clients outside North America?
Yes, we work with multinational corporations in Europe and Asia, providing immigration services aligned with their global business needs.
What industries do you specialize in?
We serve clients in biotechnology, IT, healthcare, entertainment, finance, and other sectors, offering industry-specific immigration expertise.