Trusted advisors for over 20 years

C.C. Tatham & Associates Ltd. (CCTA) is a Canadian, employee-owned engineering consulting firm. Headquartered in Collingwood, with branch offices in Bracebridge, Barrie and Orillia, CCTA has a solid team of over 75 permanent employees including 20 professional engineers and 15 certified engineering technologists.

We pride ourselves in being both innovative and thorough, and on providing a very high level of quality and service to our clients. Our experience and range of services are key factors in our solid track record of successful projects and satisfied clients.

County Road 43 & Wilson Drive
Class EA PIC slides


Church Street Sewage Pumping Station Upgrades, Huntsville - Notice of Study Commencement

CCTA Raises $7000 for Movember

Leslie Drive Class EA PIC 2 Slides

Castle Glen Drinking Water Supply Class EA - Notice of Study Completion