We offer a wide variety of environmental remediation solutions.

Over 20 Years

A&O Contracting started out as an environmental contractor and has been actively operating within the environmental industry for over 20 years.

Environmental Remediation Services

Asbestos abatement, mould remediation, lead remediation, soil remediation, UFFI abatement, mercury remediation, radon mitigation, infection control, and feces remediation.

COVID-19 Infection Control

We’re currently performing COVID-19 disinfecting and cleaning in a few facilities. Orchard Villa, and Holland Christian Homes.

Asbestos Abatement

Canada’s construction industry used asbestos until the late 1970s. We’ve done countless asbestos abatement projects for many major institutions. 


Lead Remediation

Lead is a heavy metal mined from mineral deposits. It’s a pale silvery grey and has been in industrial use for many years.


Infection Control

We’ve worked with some of the largest hospitals in Ontario. Such as The Hospital For Sick Children, Rouge Valley, etc.


Mould Remediation

Mould is a microorganism that produces thousands of tiny particles called spores. It can be found almost anywhere.


Soil Remediation

Our soil remediation services include environmentally friendly organic solutions or physical removal of contaminated soils.


Designated Substance & Hazardous Material Cleanup

The 11 designated substances require trained, and insured contractors. We’re certified and experienced to handle your environmental spills.

Animal Feces & GUANO Cleanup

Proper removal and preventative steps are important. Animal-related by-products can pose a serious risk.


UFFI Abatement

UREA FORMALDEHYDE FOAM INSULATION (UFFI) used to insulate homes in the 1930 – 170’s release gasses that can cause cancer.

Mercury Remediation

It’s a silvery-white metal used in fluorescent bulbs, thermometers, etc. When spilled or exposed, emergency clean up is vital.



Emergency Medical Disposal

We have handled countless emergency cleanups for many major medical facilities. Needles, sharps, fluids, etc.

BlackWater Cleanup

Blackwater from sewage, water contacting a contaminated area, dirt, or accumulated in a water loss affected can be dangerous.


Radon Mitigation

It’s colorless, odorless, and tasteless gas. Found in high concentrations in homes in the 1980s. Due to leaks from ground soil.