We represent approximately 140+ consulting engineering firms that employ nearly 29,000 Ontarians.
Working hard for our members – who are the Board of Directors and staff that dedicate their time to keeping the association at the forefront of member interests and issues.
ACEC-Ontario relies on over 140 volunteers to help advance our collective mission. This work is conducted through 5 localized chapters and 16 committees.
ACEC-Ontario is the official program provider of Highway Construction Inspection, Contract Administration, and Road Construction Contract Administration recertification courses.
Consulting engineering companies provide an important contribution to the social, economic and environmental quality of life in Ontario and around the globe.
Celebrating our member firms accomplishments and all they contribute to our society.
Event photos from ACEC-Ontario’s 50th celebration in London, Ontario on March 19th, 2025.
Engineering firms join and engage with ACEC-Ontario because their success is enabled by our leadership in policy advocacy and risk management, and we provide access to key knowledge sharing networks, relevant support services and member discount programs.
Join the consulting engineering community with ACEC-Ontario.
A library of resources focused on providing information, knowledge and practical guides for ACEC-Ontario member firms.
This standard agreement aims at helping Ontario’s municipalities practice a fair procurement process by outlining equitable, consistent terms and conditions for both clients and consulting engineers.
Workplace health and safety government and association resources.
EngineeringCPD.ca was designed to create a simple to use platform with a wide selection of quality course opportunities, assisting you in your continual professional development.
Create a positive impact on the consulting engineering industry by engaging with ACEC-Ontario.
Volunteer opportunities will help you to expand your business network amongst fellow ACEC-Ontario member firms, municipal and provincial clients and industry associations. Visit this page to submit your interest in a volunteer vacancy.
ACEC-Ontario is pleased to partner with organizations that offer programs and tools that increase membership value, member discounts and that support our member events.
ACEC-Ontario Allies cover a wide range of supporting product and service providers, and stakeholders in the consulting engineering industry.
ACEC-Ontario Networks are a people-focused program for employees of member firms. The community-oriented ethos of Networks exists to improve member engagement opportunities and member firm employee relations.
A thank you for our dedicated volunteers.
Join our roster of Subject Matter Experts (SMEs) covering various topics that are of significant interest to the consulting engineering community, governments, and the public.
We represent approximately 140+ consulting engineering firms that employ nearly 29,000 Ontarians.
Working hard for our members – who are the Board of Directors and staff that dedicate their time to keeping the association at the forefront of member interests and issues.
ACEC-Ontario relies on over 140 volunteers to help advance our collective mission. This work is conducted through 5 localized chapters and 16 committees.
ACEC-Ontario is the official program provider of Highway Construction Inspection, Contract Administration, and Road Construction Contract Administration recertification courses.
Consulting engineering companies provide an important contribution to the social, economic and environmental quality of life in Ontario and around the globe.
Celebrating our member firms accomplishments and all they contribute to our society.
Event photos from ACEC-Ontario’s 50th celebration in London, Ontario on March 19th, 2025.
Engineering firms join and engage with ACEC-Ontario because their success is enabled by our leadership in policy advocacy and risk management, and we provide access to key knowledge sharing networks, relevant support services and member discount programs.
Join the consulting engineering community with ACEC-Ontario.
A library of resources focused on providing information, knowledge and practical guides for ACEC-Ontario member firms.
This standard agreement aims at helping Ontario’s municipalities practice a fair procurement process by outlining equitable, consistent terms and conditions for both clients and consulting engineers.
Workplace health and safety government and association resources.
EngineeringCPD.ca was designed to create a simple to use platform with a wide selection of quality course opportunities, assisting you in your continual professional development.
Create a positive impact on the consulting engineering industry by engaging with ACEC-Ontario.
Volunteer opportunities will help you to expand your business network amongst fellow ACEC-Ontario member firms, municipal and provincial clients and industry associations. Visit this page to submit your interest in a volunteer vacancy.
ACEC-Ontario is pleased to partner with organizations that offer programs and tools that increase membership value, member discounts and that support our member events.
ACEC-Ontario Allies cover a wide range of supporting product and service providers, and stakeholders in the consulting engineering industry.
ACEC-Ontario Networks are a people-focused program for employees of member firms. The community-oriented ethos of Networks exists to improve member engagement opportunities and member firm employee relations.
A thank you for our dedicated volunteers.
Join our roster of Subject Matter Experts (SMEs) covering various topics that are of significant interest to the consulting engineering community, governments, and the public.
Holiday Office Closure
Please note, ACEC-Ontario offices will be closed on Wednesday, December 24th, 2025, business operations will resume on Monday, January 5th, 2026.
Association of Consulting Engineering Companies | Ontario
Address: 77 City Centre Drive, Suite 501
Mississauga, Ontario L5B 1M5
Phone: 416-620-1400
