About the Firm

Mahon & Company is a progressive litigation boutique in Vancouver, British Columbia. We provide criminal defence, immigration and refugee law services to individuals and organizations. We also provide strategic advice and representation in constitutional and public interest litigation.

Dedication and expertise in the law are our top priorities. We appear in tribunals and courts across the country, including the Supreme Court of Canada. Our lawyers regularly provide public legal education, to lawyers and non-lawyers alike. We love what we do, and we are proud to serve our clients and communities. Contact us today to see how we can we assist you.


Our People

Frances Mahon

Frances Mahon is the founder and principal of Mahon & Company. She provides criminal defence, refugee and immigration law services. Frances is committed to human rights and civil liberties, and has been at the forefront of many important constitutional and public interest cases and law reform efforts since the earliest days of her career. 

Read more about Frances’ work here.

Aidan Campbell

Aidan Campbell is an associate lawyer at Mahon & Company. He provides immigration and refugee law services, focusing on immigration enforcement and family reunification.

Read more about Aidan’s work here.

Kirat Khosa

Kirat Khosa is an associate lawyer at Mahon & Company. She brings a strong social justice focus and a wealth of experience in criminal law to her practice.

Read more about Kirat’s work here.


Most recent news is displayed below. For a full listing of all posts, please click here.


Supreme Court of Canada upholds rights for detained migrants

May 10, 2019 – Today the Supreme Court of Canada upheld the right to habeas corpus for migrants, a recognition that will have a profound impact on people whose detention under the Immigration and Refugee Protection Act is lengthy and of an uncertain duration.  In Chhina v. Canada, the majority of the Court undid years of uncertainty around the availability …

Victory today for LGBTQ rights from the Supreme Court of Canada in Trinity Western University law school decision

June 15, 2018 – Frances Mahon is delighted to announce that the Supreme Court of Canada delivered a profound victory for the LGBTQ community today, confirming the Law Societies of Ontario and British Columbia’s refusal to accredit Trinity Western University’s proposed school of law. The majority of the Court held that the mandatory nature of …

Frances Mahon to testify before House of Commons human trafficking committee

May 29, 2018 – Frances Mahon will be testifying today before the House of Commons’ Standing Committee on Justice and Human Rights on behalf of Pivot Legal Society, to provide insight on how human trafficking laws are being enforced in Canada, and the importance of maintaining a distinction between human trafficking, and adult, consensual sex work. …


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