Circular Economy. Renewable Energy. Climate Change.

Kelleher Environmental is an environmental consulting firm based in Toronto, Ontario, Canada. It was founded in 2002 by Maria Kelleher and specializes in the following areas:


For every project, Kelleher Environmental assesses the expertise needed and then draws from its team of associates to optimize the delivery of clients’ desired outcomes. Kelleher Environmental serves a wide variety of clients, including:

  • industry associations, corporations and not-for-profit corporations;
  • consulting companies;
  • municipal, provincial, and federal governments; and
  • non-government organizations.

Kelleher Environmental is proud to support Tree Trust!
For more information, visit their website.


For more information on our consulting services, see our Services tab or use our menu to browse recent projects.