ASI | Providing Archaeological & Cultural Heritage Services

What ASI | Providing Archaeological & Cultural Heritage Services does

ASI Heritage (legal name Archaeological Services Inc.) is a Canadian-owned archaeological and cultural heritage consulting firm headquartered at 528 Bathurst Street in Toronto, with a second office in Burlington, Ontario. Founded in 1980 by Dr. Ron Williamson, ASI delivers pre-development archaeological assessments, Stage 4 mitigative excavations, built heritage and cultural landscape conservation, archaeological management plans, geomatics and remote sensing, marine archaeology, Indigenous engagement, policy development, and litigation support services. The firm self-identifies as the largest archaeological and cultural heritage consultancy in Ontario, with a permanent staff of more than 50 plus up to approximately 50 seasonal field technicians, and a track record of more than 5,000 completed projects across the province. Client work spans high-profile infrastructure (Ontario Ministry of Transportation's Highway 407 and Seaton Lands), municipal management plans (City of Toronto, City of Windsor, City of London, Town of Caledon), private development (Concord Adex's CityPlace), and historical archaeology on over 400 provincially significant properties under the Ontario Heritage Trust.

The firm operates as a project-based professional services consultancy. Revenue is generated through quote-based, project-specific engagements with three primary customer groups: provincial and municipal government agencies, private developers, and Indigenous communities. Pricing is not publicly disclosed; contracts are procured via direct sales, professional reputation, RFP-style municipal procurement, and engagement through partnerships (e.g., the 2020 Yändata' framework with the Huron-Wendat Nation). Go-to-market leverages a professional website, active social channels (LinkedIn, Instagram, YouTube, Facebook, X), participation in conferences such as the Ontario Archaeological Society Symposium and Society for American Archaeology, and brand-building through documentary film productions. Core technical capabilities center on provincially licensed archaeological expertise, GIS-based geomatics and remote sensing, and domain specialization in Stage 4 mitigative excavations and Indigenous consultation protocols.

ASI is led by Managing Partner Robert I. MacDonald, who succeeded founder Dr. Ron Williamson on October 1, 2016, alongside five new partners (Katherine Hull, Lisa Merritt, Andrew Riddle, David Robertson, Rebecca Sciarra). Ownership remains private under a partnership structure typical of professional consultancies; the company has no public ticker, no parent, no subsidiaries, no funding rounds, and no M&A activity disclosed. The firm's recognition includes the 2016 Archaeological Institute of America Conservation and Heritage Management Award for the Toronto Archaeological Management Plan, the 2019 Heritage Toronto Special Achievement Award, multiple Ontario Archaeological Society recognitions, and the 2024 Thomas Symons Award for Dr. Williamson.

Name

ASI | Providing Archaeological & Cultural Heritage Services

Legal name

Archaeological Services Inc.

Website

https://asiheritage.ca

Company type

Private

Founded year

1980

Operating status

Operating

Headcount range

51–100 employees

Short description

ASI Heritage (Archaeological Services Inc.) is the largest archaeological and cultural heritage consulting firm in Ontario, providing pre-development assessments, Stage 4 mitigative excavations, heritage planning, policy development, geomatics, marine archaeology, and Indigenous engagement services to government agencies, municipalities, and private developers.

Ownership category

akta.pro rank

Product category

Archaeological and Cultural Heritage Consulting

NAICS

Historical Sites (712120), Historical Sites (71212), Architectural, Engineering, and Related Services (5413)

SIC

Services-Engineering, Accounting, Research, Management (8700)

akta.pro primary industry

Historic Preservation & Conservation Planning (BPAHAKAH)

akta.pro secondary industries

Archaeological Sites & Heritage Interpretation Centers (THAJADAG), Cultural Heritage Institutions (Archives, Historic Houses, Monuments Foundations) (THAJADAI)

Keywords

• Archaeological consulting services
• Cultural heritage consulting
• Heritage impact assessments
• Built heritage conservation
• Archaeological management plans

Headquarters

HQ city

Toronto

HQ country

Canada

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Archaeological Consulting Services: Professional consulting services including archaeological evaluations, excavations, heritage planning, and policy development for government, municipal, and private sector clients

Go-to-market motion1 record

Distribution channels1 record

Marketing channels6 records

Core offering

ASI Heritage (Archaeological Services Inc.) is the largest archaeological and cultural heritage consulting firm in Ontario, providing pre-development assessments, Stage 4 mitigative excavations, cultural heritage landscape planning, archaeological management plans, Indigenous engagement, geomatics and remote sensing, marine archaeology, policy development, and litigation support for government, municipal, and private sector clients.

Product overview

ASI Heritage (Archaeological Services Inc.) operates as a single unified consulting firm offering integrated archaeological and cultural heritage services, not a platform-plus-modules architecture. The company provides eight core service lines: Archaeology Services, Cultural Heritage Services, Geomatics and Remote Sensing, Archaeological Management Plans, Indigenous Engagement, Marine Archaeology, Policy Development, and Litigation Support. These services are delivered through offices in Toronto and Burlington, Ontario, by a team of over 50 permanent staff and approximately 50 seasonal field technicians. Supplementary offerings include the Ontario Archaeology Guide educational resource, Film Production Services for documentary creation, and Exhibits and Interpretation services for public education. The firm has completed over 5,000 projects throughout Ontario since its founding in 1980.

Differentiator

Problem solved

Functional benefit

Products and services

• Archaeology Services Provides expert archaeological and cultural heritage evaluations for pre-development assessments, including Stage 4 mitigative excavations throughout Ontario when site protection is not possible. Targeted at developers, municipalities, and government agencies.
• Cultural Heritage Services Offers consulting services in built heritage and cultural landscape conservation, planning and management for municipal, regional and provincial clients.
• Geomatics and Remote Sensing Provides geomatics expertise including GIS mapping and remote sensing technologies for archaeological and heritage site analysis.
• Archaeological Management Plans Develops comprehensive archaeological management plans for municipalities to identify, analyze and establish priorities for conserving archaeological resources within city boundaries.
• Indigenous Engagement Provides Indigenous engagement services for environmental assessment projects and heritage consultations with First Nations communities.
• Marine Archaeology Offers specialized marine archaeology services for underwater heritage sites and submerged cultural resources.
• Policy Development Industry leaders in developing archaeological and cultural heritage landscape policy and guidelines for government and institutional clients.
• Litigation Support Provides expert witness services and archaeological evidence support for legal proceedings involving heritage resources.

Named customers7 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Eight partnerships are on record, tiered core and minor.

• Huron-Wendat NationcoreStrategic or Co-development Partner · 3 July 2020Strategic partnership announced by Grand Chief Konrad Sioui, formalizing a collaborative relationship between ASI and the Huron-Wendat Nation for heritage and archaeological projects. The partnership, called Yändata', represents a new collaborative framework for working together on ancestral Huron-Wendat sites and heritage preservation initiatives.
• University of TorontocoreStrategic or Co-development PartnerASI collaborates with University of Toronto on research projects, including co-authoring publications with Dr. Gary Crawford on domesticated 3,000-year-old quinoa seeds in Ontario. The partnership includes a MoU for repatriation of remains and artifacts to the Huron-Wendat Nation.
• Ontario Heritage TrustcoreStrategic or Co-development PartnerASI works with the Ontario Heritage Trust on historical archaeological programmes for diverse sites. The Trust owns or has easements on over 400 provincially significant properties requiring archaeological and heritage management.
• Fisher Archaeological ConsultingminorStrategic or Co-development PartnerJoint project team composed of Fisher Archaeological Consulting and ASI Heritage to update the Windsor Archaeological Management Plan (WAMP).
• Letourneau Heritage Consulting Inc.minorStrategic or Co-development PartnerPartnership with Letourneau Heritage Consulting Inc., Bray Heritage, and D.R. Poulton & Associates Inc. for the review and update of the City of London's Archaeological Master Plan.
• Yap FilmsminorOthersCollaboration with Yap Films on documentary productions including 'Curse of the Axe' (based on ASI's Mantle Site excavation) and 'Explosion 1812'. ASI provided archaeological expertise and access for film production.
• Various Indigenous CommunitiescoreStrategic or Co-development PartnerASI is involved in Indigenous engagement programs for environmental assessment projects, consulting with multiple First Nations including Huron-Wendat Nation, Kawartha Nishnawbe First Nation, and Mississauga of the Credit First Nation. Includes smudging ceremonies, consultation, and repatriation discussions.
• Toronto and Region Conservation Authority (TRCA)minorStrategic or Co-development PartnerCollaboration with TRCA archaeologists on field school projects including the Schreiber Wood Project, with Mackenzie Greenhalgh co-authoring papers with ASI staff.

Scale indicators3 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• AECOM: AECOM provides archaeology, heritage, and environmental consulting globally with Canadian offices delivering similar services to ASI. Larger scale but archaeology is one of many service lines.
• GHD: GHD is a global engineering and environmental consultancy with cultural heritage and archaeology practice areas. Overlaps with ASI on large infrastructure EAs and Indigenous consultation projects.
• Tetra Tech: Tetra Tech provides consulting and engineering services including archaeology and cultural resource management in Canada. Competes with ASI on multi-disciplinary infrastructure and government projects.
• WSP Global: WSP is a global professional services firm with environmental assessment and archaeology practices across Canada. Competes with ASI on large infrastructure EAs and municipal heritage planning, though archaeology is a small part of its broader portfolio.
• Dillon Consulting: Dillon Consulting is a Canadian engineering, planning, and environmental firm with cultural heritage and archaeology capabilities. Overlaps with ASI on municipal heritage planning and environmental assessments.
• Stantec: Stantec offers environmental services including archaeological assessments through its Canadian operations. Competes with ASI on integrated infrastructure and environmental projects where multi-disciplinary bundling matters.
• SLR Consulting: SLR Consulting is an international environmental and advisory firm with archaeology and heritage services. Competes with ASI on renewable energy and infrastructure environmental assessments.

Direct peers

• ERA Architects: ERA Architects is a Toronto-based heritage architecture and conservation planning practice. Comparable to ASI's Cultural Heritage division on built heritage and cultural landscape projects in Ontario.
• Archaeological Research Associates Ltd. (ARA): ARA is an Ontario-based archaeological consulting firm providing Stage 1-4 assessments, heritage consulting, and Indigenous engagement services. Directly comparable in service portfolio and target clients to ASI.
• AMICK Consultants: AMICK Consultants is a southwestern Ontario archaeological consulting firm providing Stage 1-4 assessments and heritage services. Direct competitor for Ontario developer and municipal contracts.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xtwitter.com/ArchaeologyTO
• YouTubeyoutube.com/channel/UCteEdCfP-J6iG8a4vMpGllA
• Facebookfacebook.com/ArchaeologicalServicesInc
• LinkedInlinkedin.com/company/archaeological-services-inc-
• Instagraminstagram.com/archaeologyto

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about ASI | Providing Archaeological & Cultural Heritage Services