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We’ve Been Around For Awhile

A & O Contracting Inc. has been operating as an environmental abatement contractor since 2000, and throughout the years we’ve added the following services; disaster restoration, disposal, equipment rental, and facility services. These are all fields we are well equipped to handle, with over 75 years of combined institutional knowledge behind us.

Doors Been Open Since 2000

A&O Contracting opened its doors as an environmental abatement contractor 20 years ago. Over the years of building strong relationships with our clients and partners, we have grown the services we provide to cover several lines of service for facility managers and property managers in all industries. We provide key services to the healthcare, higher education, government, financial and the private sectors. A&O Contracting Inc. offers the combined institutional knowledge and experience of highly trained staff to a wide range of government sectors and services. Our track record in offering services to healthcare, higher education, federal/provincial government, insurance providers, property management and the manufacturing sectors allows us to provide a unique approach. Our current business model provides the capability of offering both small and large scope of services. We are accustomed to offering immediate response times as our current client portfolio requires this as well as being specified on large tenders with institutions.

A&O Contracting Inc. Vision

To provide an unrivaled level of quality and become the world's leader in construction innovation and safety.

Our Mission

Our mission is to provide an innovative, competent, and competitive service to the disaster restoration, environmental, general construction, and facility maintenance industries while holding the highest regard for quality, and creating a safe, responsible and enjoyable environment to work in.


Government of Canada
Government of Ontario
Toronto District School Board
Brock University
The University of Toronto
Holland Christian Homes
York Region School Board
Baycrest Hospital
The Michener Institute of Education at UHN
The Hospital For Sick Children
Ryerson University
Lakeridge Health
Enbridge Inc. is a Canadian multinational energy transportation company based in Calgary, Alberta. It focuses on the transportation, distribution and generation of energy, primarily in North America. As a transporter of energy, Enbridge operates in Canada and the United States, the longest crude oil and liquid hydrocarbons transportation system in North America.
CBRE Group, Inc., is an American commercial real estate services and investment firm. It is the largest commercial real estate services company in the world.
A global leader in the provision of facility management, project delivery, energy and sustainability, asset management, workplace advisory, and real estate services. Globally, BGIS manages over 30,000 facilities totalling more than 31.5 million square metres across several markets including Defence, Government, Higher Education, Utilities, Telecommunications, Financial Services, Oil and Gas, Healthcare and Cloud Enterprise.
The Toronto District School Board (TDSB) is the largest and one of the most diverse school boards in Canada, serving approximately 247,000 students in 583 schools throughout Toronto, and more than 130,000 life-long learners in our Adult and Continuing Education programs.
A public research university in St. Catharines, Ontario, Canada. It is the only university in Canada in a UNESCO Biosphere Reserve, at the centre of Canada’s Niagara Peninsula on the Niagara Escarpment. The university bears the name of Maj.-General Sir Isaac Brock, who was responsible for defending Upper Canada against the United States during the War of 1812.
Founded in 1827, the University of Toronto has evolved into Canada’s leading institution of learning, discovery and knowledge creation. The university was the birthplace of insulin and stem cell research, and was the site of the first practical electron microscope, the development of deep learning, multi-touch technology, the identification of the first black hole Cygnus X-1, and the development of the theory of NP-completeness.
Provides a supportive, secure, caring and Christian environment that encourages independence, preserves each person’s dignity, and promotes a high quality of life for seniors. They offer continuum of care from independent living apartments to assisted living to long-term care.
The York Region District School Board (YRDSB) is the English-language public school board for York Regional Municipality in Ontario, Canada. The York Region District School Board is the province’s third-largest school board, with an enrollment of over 122,000 students.
A global leader in geriatric residential living, healthcare, research, innovation and education, with a special focus on brain health and aging. Baycrest is Canada’s largest Dementia care initiative.
Based in Downtown Toronto, the Michener Institute is a specialist post – secondary institution governed by the University Health Network (UHN). UHN is the largest funded Health organization in Canada.
A major pediatric teaching hospital located on University Avenue in Toronto, Ontario, Canada.The hospital’s Peter Gilgan Centre for Research and Learning is believed to be the largest pediatric research tower in the world at 69,677.28 square metres.
One of the top universities in Canada. Ryerson University is home to Canada’s largest undergraduate business school, the Ted Rogers School of Management, and Canada’s third largest undergraduate engineering school, the Faculty of Engineering and Architectural Science, as well as the Faculty of Arts, Faculty of Communication & Design, Faculty of Community Services, and the Faculty of Science.
Health System network serving Durham Region, Ontario in the eastern part of the Greater Toronto Area. It is one of the largest health system networks in Ontario with five hospitals, four Emergency Departments, a residential treatment centre and more than a dozen community health care locations.