Hamilton’s Labour and Employment Lawyers

Making things fair in Hamilton’s workplace


Labour Law

Employment Law

Human Rights Law


McMahon Molyneaux Henriquez is an association of progressive Hamilton law firms practicing employment law, labour law, and human rights law. Together, Joanne L. McMahon, Sarah Molyneaux and Roberto Henriquez are proud to serve unions and workers in Hamilton and throughout southwestern Ontario.

McMahon Molyneaux Henriquez’s Employment & Labour lawyers and paralegals are focused on fighting for justice for workers and marginalized members of the Hamilton community. 

We prioritize cases that address workplace injustice. This includes wrongful dismissal, constructive dismissal, severance package or employment contract reviews, workplace harassment or work bullying cases, including sexual harassment claims, workplace discrimination, maternity or parental leave issues, and toxic work environment claims. We pride ourselves on providing high-quality progressive, inclusive legal services to all Hamilton workers. 

Learn more about our law firm or contact us today. 


Joanne McMahon

Joanne has more than 30 years experience. Practicing union-side labour law exclusively, Joanne provides high quality legal representation to trade unions in arbitration and at the labour board here in Hamilton and across the province. Contact Joanne: 905.522.0600 or joanne@mmhlabourlaw.ca 

Sarah Molyneaux

Sarah practices labour, employment and human rights law on behalf of workers and progressive organizations. She brings her feminist values to her representation of new parents fighting pregnancy discrimination and sexual harassment claimants. Contact Sarah: 289.389.4499 or sarah@mmhlabourlaw.ca 

Roberto Henriquez Hamilton Employment Lawyer

Roberto Henriquez

Roberto practices labour, employment and human rights law. He understands the complex needs of organizational clients in litigation, in the development of employment contracts or policies, and in workplace investigations. Contact Roberto: 289.389.4499 or roberto@mmhlabourlaw.ca 


We are committed to justice for workers and to providing inclusive, accessible, progressive legal services. We provide legal advice that is clear, trustworthy and focused on solutions. We will get back to you as soon as possible.

We are located in Hamilton and serve clients from all over southwestern Ontario.

Office: 605 James St N, Suite 200, Hamilton, ON L8L 1J9
T: 905.522.0600 | F: 289.768.4399 | info@mmhlabourlaw.ca
We are available via telephone, email or video software conferencing to address your needs.

Contacting McMahon Molyneaux Henriquez Labour & Employment Lawyers does not create a lawyer-client relationship. No lawyer-client relationship exists until we have expressly agreed to advise or represent you. Please do not send any confidential information about your case before first speaking with McMahon Molyneaux Henriquez Law. Your use of this website and email is entirely at your own risk.