Advocating for 10.6 million Ontarians.
The purpose of MARCO is to bring together Mayors and Chairs of Ontario’s largest communities to advance advocacy, policy, and solutions that will make life better for the over 10.6 million Ontarians they serve.
Ontarians are counting on all levels of government to defend their interests through economic turbulence and solve their top concerns—affordable homes, homelessness and addictions, community safety, and the rising cost of living. MARCO members are key partners for tackling Ontario’s challenges.




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