To best preserve our cultural heritage legacy in any planning and development context

ASI is a Canadian-owned company that was founded in 1980 in response to increasing public awareness of the importance of the province’s heritage. With offices in Toronto and Burlington, we are the largest archaeological and cultural heritage consulting firm in Ontario.

Pre-Development Assessments

Our team of provincially licensed archaeologists and cultural heritage specialists provide expert archaeological and cultural heritage evaluations.

Archaeological Excavations

When protection of sites isn't possible, our archaeologists call on their unparalleled expertise to conduct Stage 4 mitigative excavations throughout Ontario.

Heritage Planning

Our cultural heritage specialists offer a range of consulting services in built heritage and cultural landscape conservation, planning and management.

Policy Development

ASI are industry leaders in the development of archaeological and cultural heritage landscape policy and guidelines for municipal, regional and provincial clients.


Heritage Toronto Special Achievement Award

Our founder, Dr Ron Williamson, was the recipient of the 2019 Special Achievement Award from Heritage Toronto which celebrates people who have made exceptional contributions to Toronto’s heritage. This video introduction played at the awards ceremony, and features the ROM’s New World Archaeology Technician April Hawkins, and former Chief of the Mississauga of the Credit First Nation Carolyn Kin… Read More

For more of our films, visit the Film Page.