Company lists · Data refreshed October 2026
Top 25 Heritage building retrofitting firms based in Canada
RevenueBase identified 86 company matches for heritage building retrofitting firms associated with Canada as of October 2026 and tracks 793 professional contacts across them, including 431 with verified work emails. Toronto is the largest hub.
This list covers company matches for heritage building retrofitting firms associated with Canada, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 14, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest heritage building retrofitting firms based in Canada
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 120 contacts → | ||||
Exact match “St-Denis Thompson est reconnue pour son expertise en restauration de bâtiments et en réfection de structures de maçonnerie de pierres et de brique ou de béton.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 2 | 102 contacts → | ||||
Exact match “ERA Architects Inc.(ERA) is an award-winning architecture and planning firm focused on conservation through reactivation.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 3 | 49 contacts → | ||||
Exact match “The Ventin Group (+VG) is a full service architectural firm known for innovative approaches to the design of Heritage, Cultural, Educational, Municipal, Justice, Residential and…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 4 | 33 contacts → | ||||
Exact match “Over the past decade, Ridley has become the leader in historical retro-fit of windows and doors in designated heritage buildings and districts.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 5 | 32 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 6 | 31 contacts → | ||||
Exact match “Heritage Grade is known throughout Ontario, Quebec and the World, as leaders in Architectural Restoration.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 7 | 27 contacts → | ||||
Exact match “Having the technical expertise and insight to conduct retrofit projects in established buildings without affecting the day-to-day business of occupants is our specialty.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 8 | 26 contacts → | ||||
Exact match “Learn about what TAD does differently We are committed to transforming existing buildings into renewed, inspiring spaces.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 9 | 24 contacts → | ||||
Exact match “Since 1989, MENATWORK has specialized in integrated Design+Build services that renew and expand older homes in Toronto neighbourhoods.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 10 | 21 contacts → | ||||
Exact match “Nadeau Blondin Lortie architectes, nouvelle dénomination de Nadeau Nadeau Blondin architecte, est un bureau québécois bénéficiant d'une expertise et d'une expérience notable en…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 11 | 21 contacts → | ||||
Exact match “SMR Experts is a leader in building restoration.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 12 | 21 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 13 | 20 contacts → | ||||
Exact match “LDR Engineering Group (LDR) provides comprehensive building science (or envelope, enclosure) consulting engineering services on residential, commercial, heritage, and…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 14 | 16 contacts → | ||||
Exact match “John G.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 15 | 15 contacts → | ||||
Exact match “Founded in 2001, GBCA (Goldsmith Borgal & Company Ltd.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 16 | 11 contacts → | ||||
Exact match “York Heritage Properties acquires, renovates, retrofits and manages architecturally interesting older buildings in Toronto to provide a dignified, sophisticated alternative to…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 17 | 10 contacts → | ||||
Exact match “Firme spécialisée en préservation et réhabilitation des structures” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 18 | 10 contacts → | ||||
Exact match “Provive restores commercial assets to shine like new, at 50%- 95% off the cost of replacement.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 19 | 9 contacts → | ||||
Exact match “Established in Sherbrooke in the Eastern Townships, Mire Architecture works in heritage restoration, in institutionnal, industriel and commercial constructions.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 20 | 8 contacts → | ||||
Exact match “Historic Restoration is a leading Toronto based restoration contractor.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 21 | 8 contacts → | ||||
Exact match “Boldera is a Toronto-based architecture and heritage consulting practice specializing in heritage conservation, adaptive reuse, and context-driven architecture.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 22 | 8 contacts → | ||||
Exact match “Giaimo is an architecture firm based in Toronto, integrating design and heritage conservation.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 23 | 8 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 24 | 7 contacts → | ||||
Exact match “Leader in the revitalization of the architectural heritage houses for modern lifestyles in Vancouver, BC, Canada.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 25 | 7 contacts → | ||||
Exact match “Skymark Projects is a leading restoration firm that excels in enhancing the integrity and aesthetics of a wide range of properties.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “heritage building retrofitting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 86 heritage building retrofitting firms based in Canada
See the full list, filter by size, metro and specialty, and access 431 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Heritage building retrofitting firms based in Canada at a glance
As of Oct 14, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Canada, so it is reported there. Company counts and contact totals on this page are exact for Canada, over 86 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with Canada whose business descriptions match “heritage building retrofitting firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 431 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 14, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “heritage building retrofitting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many heritage building retrofitting firms are there based in Canada?
RevenueBase identified 86 company matches for heritage building retrofitting firms associated with Canada as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
St-Denis Thompson tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most heritage building retrofitting firms?
Toronto leads with 24 company records, followed by Montreal (9) and Ottawa (4).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 431 professional contacts with verified work emails tracked across these 86 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 14, 2026.
Ready to reach these companies? Verified emails and direct dials for all 86 heritage building retrofitting firms based in Canada. Start with a free account, no credit card.
Download this list →Related lists
Heritage building retrofitting firms by geography
- Heritage building retrofitting firms based in Paris, France
- Heritage building retrofitting firms based in London, United Kingdom
- Heritage building retrofitting firms based in New York, United States
- Heritage building retrofitting firms based in Australia
- Heritage building retrofitting firms based in Belgium
- Heritage building retrofitting firms based in Brazil
- Heritage building retrofitting firms based in France
- Heritage building retrofitting firms based in Germany
- Heritage building retrofitting firms based in India
- Heritage building retrofitting firms based in Italy
- Heritage building retrofitting firms based in the Netherlands
- Heritage building retrofitting firms based in Spain
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Heritage building retrofitting firms based in Paris, France
- Heritage building retrofitting firms based in London, United Kingdom
- Heritage building retrofitting firms based in New York, United States
- Heritage building retrofitting firms based in Australia
- Heritage building retrofitting firms based in Belgium
- Heritage building retrofitting firms based in Brazil
Company intelligence · public preview
Top 25 heritage building retrofitting firms based in Canada
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 86 matching company records for heritage building retrofitting firms based in Canada, with 793 tracked contacts and 431 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 14, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 heritage building retrofitting firms based in Canada
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | St-Denis Thompsonstdenisthompson.com HQ: Montreal, QC, CanadaReported employees: 201-500 | Montreal, QC, Canada | 201-500 | Exact match | 120 contacts → |
“St-Denis Thompson est reconnue pour son expertise en restauration de bâtiments et en réfection de structures de maçonnerie de pierres et de brique ou de béton.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  ERA Architects INCeraarch.caHQ: Toronto, ON, CanadaReported employees: 51-200 | Toronto, ON, Canada | 51-200 | Exact match | 102 contacts → |
“ERA Architects Inc.(ERA) is an award-winning architecture and planning firm focused on conservation through reactivation.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  The Ventin Group Ltd. VGplusvg.comHQ: Brantford, ON, CanadaReported employees: 11-50 | Brantford, ON, Canada | 11-50 | Exact match | 49 contacts → |
“The Ventin Group (+VG) is a full service architectural firm known for innovative approaches to the design of Heritage, Cultural, Educational, Municipal, Justice, Residential and…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Ridley Windows & Doors INCridley-windows.com HQ: Vaughan, ON, CanadaReported employees: 11-50 | Vaughan, ON, Canada | 11-50 | Exact match | 33 contacts → |
“Over the past decade, Ridley has become the leader in historical retro-fit of windows and doors in designated heritage buildings and districts.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Heritage Restoration INChrigroup.ca HQ: Stouffville, ON, CanadaReported employees: 201-500 | Stouffville, ON, Canada | 201-500 | Exact match | 32 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 |  Heritage Gradeheritagegrade.comHQ: Ottawa, CanadaReported employees: 51-200 | Ottawa, Canada | 51-200 | Exact match | 31 contacts → |
“Heritage Grade is known throughout Ontario, Quebec and the World, as leaders in Architectural Restoration.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Mcgregor Allsop Limitedmcgregor-allsop.com HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 27 contacts → |
“Having the technical expertise and insight to conduct retrofit projects in established buildings without affecting the day-to-day business of occupants is our specialty.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Thibodeau Architecture Designgotad.caHQ: Montréal, QC, CanadaReported employees: 11-50 | Montréal, QC, Canada | 11-50 | Exact match | 26 contacts → |
“Learn about what TAD does differently We are committed to transforming existing buildings into renewed, inspiring spaces.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Menatworkmenatwork.ca HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 24 contacts → |
“Since 1989, MENATWORK has specialized in integrated Design+Build services that renew and expand older homes in Toronto neighbourhoods.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Nadeau Blondin Lortie Architectesnblarchitectes.ca HQ: La Prairie, QC, CanadaReported employees: 11-50 | La Prairie, QC, Canada | 11-50 | Exact match | 21 contacts → |
“Nadeau Blondin Lortie architectes, nouvelle dénomination de Nadeau Nadeau Blondin architecte, est un bureau québécois bénéficiant d'une expertise et d'une expérience notable en…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | SMR Expertssmrexperts.com HQ: Châteauguay, QC, CanadaReported employees: 51-200 | Châteauguay, QC, Canada | 51-200 | Exact match | 21 contacts → |
“SMR Experts is a leader in building restoration.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Roof Tile Management INCrooftilemanagement.com HQ: Mississauga, ON, CanadaReported employees: 51-200 | Mississauga, ON, Canada | 51-200 | Exact match | 21 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 |  LDR Engineering Groupldrgroup.caHQ: Burnaby, BC, CanadaReported employees: 11-50 | Burnaby, BC, Canada | 11-50 | Exact match | 20 contacts → |
“LDR Engineering Group (LDR) provides comprehensive building science (or envelope, enclosure) consulting engineering services on residential, commercial, heritage, and…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  John G. Cooke & Associates LTDjgcooke.comHQ: Ottawa, ON, CanadaReported employees: 11-50 | Ottawa, ON, Canada | 11-50 | Exact match | 16 contacts → |
“John G.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | GBCAgbca.ca HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 15 contacts → |
“Founded in 2001, GBCA (Goldsmith Borgal & Company Ltd.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | York Heritage Propertiesyorkheritage.com HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 11 contacts → |
“York Heritage Properties acquires, renovates, retrofits and manages architecturally interesting older buildings in Toronto to provide a dignified, sophisticated alternative to…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Cosigmacosigma.ca HQ: Montreal, QC, CanadaReported employees: 11-50 | Montreal, QC, Canada | 11-50 | Exact match | 10 contacts → |
“Firme spécialisée en préservation et réhabilitation des structures” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Provive Groupprovivegroup.com HQ: Mississauga, ON, CanadaReported employees: 11-50 | Mississauga, ON, Canada | 11-50 | Exact match | 10 contacts → |
“Provive restores commercial assets to shine like new, at 50%- 95% off the cost of replacement.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Mire Architecturemirearchitecture.comHQ: Sherbrooke, QC, CanadaReported employees: 1-10 | Sherbrooke, QC, Canada | 1-10 | Exact match | 9 contacts → |
“Established in Sherbrooke in the Eastern Townships, Mire Architecture works in heritage restoration, in institutionnal, industriel and commercial constructions.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Historic Restoration INChistoricrestoration.ca HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 8 contacts → |
“Historic Restoration is a leading Toronto based restoration contractor.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Boldera Architectureboldera.ca HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 8 contacts → |
“Boldera is a Toronto-based architecture and heritage consulting practice specializing in heritage conservation, adaptive reuse, and context-driven architecture.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Giaimogiaimo.ca HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 8 contacts → |
“Giaimo is an architecture firm based in Toronto, integrating design and heritage conservation.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Clifford Restorationcliffordrestoration.com HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 8 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | Ronse Massey Developmentsrmdevelopments.ca HQ: Vancouver, BC, CanadaReported employees: 1-10 | Vancouver, BC, Canada | 1-10 | Exact match | 7 contacts → |
“Leader in the revitalization of the architectural heritage houses for modern lifestyles in Vancouver, BC, Canada.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Skymark Projects LTDskymarkprojects.com HQ: Port Coquitlam, BC, CanadaReported employees: 51-200 | Port Coquitlam, BC, Canada | 51-200 | Exact match | 7 contacts → |
“Skymark Projects is a leading restoration firm that excels in enhancing the integrity and aesthetics of a wide range of properties.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 86 company matches
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Heritage building retrofitting firms: dataset insights
October 14, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
85 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Canada, so it is reported there. Company counts and contact totals on this page are exact for Canada, over 86 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 14, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for heritage building retrofitting firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many heritage building retrofitting firms did RevenueBase find based in Canada?
The saved snapshot records 86 matching company records, 793 tracked contacts and 431 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 14, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Heritage building retrofitting firms by geography
- Heritage building retrofitting firms based in Paris, France
- Heritage building retrofitting firms based in London, United Kingdom
- Heritage building retrofitting firms based in New York, United States
- Heritage building retrofitting firms based in Australia
- Heritage building retrofitting firms based in Belgium
- Heritage building retrofitting firms based in Brazil
- Heritage building retrofitting firms based in France
- Heritage building retrofitting firms based in Germany
- Heritage building retrofitting firms based in India
- Heritage building retrofitting firms based in Italy
- Heritage building retrofitting firms based in the Netherlands
- Heritage building retrofitting firms based in Spain
Cite this list
RevenueBase Data Team. Top 25 heritage building retrofitting firms based in Canada. Snapshot: October 14, 2026. https://revenuebase.ai/companies/heritage-building-retrofitting-firms/canada.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Heritage building retrofitting firms based in Paris, France
- Heritage building retrofitting firms based in London, United Kingdom
- Heritage building retrofitting firms based in New York, United States
- Heritage building retrofitting firms based in Australia
- Heritage building retrofitting firms based in Belgium
- Heritage building retrofitting firms based in Brazil
Company intelligence · public preview
Top 25 heritage building retrofitting firms based in Canada
RevenueBase records 86 matching company records for heritage building retrofitting firms based in Canada, with 793 tracked contacts and 431 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 14, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 heritage building retrofitting firms based in Canada
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | St-Denis Thompsonstdenisthompson.com HQ: Montreal, QC, CanadaReported employees: 201-500 | Montreal, QC, Canada | 201-500 | Exact match | 120 contacts → |
“St-Denis Thompson est reconnue pour son expertise en restauration de bâtiments et en réfection de structures de maçonnerie de pierres et de brique ou de béton.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | ERA Architects INCeraarch.ca HQ: Toronto, ON, CanadaReported employees: 51-200 | Toronto, ON, Canada | 51-200 | Exact match | 102 contacts → |
“ERA Architects Inc.(ERA) is an award-winning architecture and planning firm focused on conservation through reactivation.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | The Ventin Group Ltd. VGplusvg.com HQ: Brantford, ON, CanadaReported employees: 11-50 | Brantford, ON, Canada | 11-50 | Exact match | 49 contacts → |
“The Ventin Group (+VG) is a full service architectural firm known for innovative approaches to the design of Heritage, Cultural, Educational, Municipal, Justice, Residential and…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Ridley Windows & Doors INCridley-windows.com HQ: Vaughan, ON, CanadaReported employees: 11-50 | Vaughan, ON, Canada | 11-50 | Exact match | 33 contacts → |
“Over the past decade, Ridley has become the leader in historical retro-fit of windows and doors in designated heritage buildings and districts.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Heritage Restoration INChrigroup.ca HQ: Stouffville, ON, CanadaReported employees: 201-500 | Stouffville, ON, Canada | 201-500 | Exact match | 32 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 | Heritage Gradeheritagegrade.com HQ: Ottawa, CanadaReported employees: 51-200 | Ottawa, Canada | 51-200 | Exact match | 31 contacts → |
“Heritage Grade is known throughout Ontario, Quebec and the World, as leaders in Architectural Restoration.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Mcgregor Allsop Limitedmcgregor-allsop.com HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 27 contacts → |
“Having the technical expertise and insight to conduct retrofit projects in established buildings without affecting the day-to-day business of occupants is our specialty.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Thibodeau Architecture Designgotad.ca HQ: Montréal, QC, CanadaReported employees: 11-50 | Montréal, QC, Canada | 11-50 | Exact match | 26 contacts → |
“Learn about what TAD does differently We are committed to transforming existing buildings into renewed, inspiring spaces.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Menatworkmenatwork.ca HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 24 contacts → |
“Since 1989, MENATWORK has specialized in integrated Design+Build services that renew and expand older homes in Toronto neighbourhoods.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Nadeau Blondin Lortie Architectesnblarchitectes.ca HQ: La Prairie, QC, CanadaReported employees: 11-50 | La Prairie, QC, Canada | 11-50 | Exact match | 21 contacts → |
“Nadeau Blondin Lortie architectes, nouvelle dénomination de Nadeau Nadeau Blondin architecte, est un bureau québécois bénéficiant d'une expertise et d'une expérience notable en…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | SMR Expertssmrexperts.com HQ: Châteauguay, QC, CanadaReported employees: 51-200 | Châteauguay, QC, Canada | 51-200 | Exact match | 21 contacts → |
“SMR Experts is a leader in building restoration.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Roof Tile Management INCrooftilemanagement.com HQ: Mississauga, ON, CanadaReported employees: 51-200 | Mississauga, ON, Canada | 51-200 | Exact match | 21 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 | LDR Engineering Groupldrgroup.ca HQ: Burnaby, BC, CanadaReported employees: 11-50 | Burnaby, BC, Canada | 11-50 | Exact match | 20 contacts → |
“LDR Engineering Group (LDR) provides comprehensive building science (or envelope, enclosure) consulting engineering services on residential, commercial, heritage, and…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | John G. Cooke & Associates LTDjgcooke.com HQ: Ottawa, ON, CanadaReported employees: 11-50 | Ottawa, ON, Canada | 11-50 | Exact match | 16 contacts → |
“John G.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | GBCAgbca.ca HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 15 contacts → |
“Founded in 2001, GBCA (Goldsmith Borgal & Company Ltd.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | York Heritage Propertiesyorkheritage.com HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 11 contacts → |
“York Heritage Properties acquires, renovates, retrofits and manages architecturally interesting older buildings in Toronto to provide a dignified, sophisticated alternative to…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Cosigmacosigma.ca HQ: Montreal, QC, CanadaReported employees: 11-50 | Montreal, QC, Canada | 11-50 | Exact match | 10 contacts → |
“Firme spécialisée en préservation et réhabilitation des structures” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Provive Groupprovivegroup.com HQ: Mississauga, ON, CanadaReported employees: 11-50 | Mississauga, ON, Canada | 11-50 | Exact match | 10 contacts → |
“Provive restores commercial assets to shine like new, at 50%- 95% off the cost of replacement.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Mire Architecturemirearchitecture.com HQ: Sherbrooke, QC, CanadaReported employees: 1-10 | Sherbrooke, QC, Canada | 1-10 | Exact match | 9 contacts → |
“Established in Sherbrooke in the Eastern Townships, Mire Architecture works in heritage restoration, in institutionnal, industriel and commercial constructions.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Historic Restoration INChistoricrestoration.ca HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 8 contacts → |
“Historic Restoration is a leading Toronto based restoration contractor.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Boldera Architectureboldera.ca HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 8 contacts → |
“Boldera is a Toronto-based architecture and heritage consulting practice specializing in heritage conservation, adaptive reuse, and context-driven architecture.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Giaimogiaimo.ca HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 8 contacts → |
“Giaimo is an architecture firm based in Toronto, integrating design and heritage conservation.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Clifford Restorationcliffordrestoration.com HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 8 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | Ronse Massey Developmentsrmdevelopments.ca HQ: Vancouver, BC, CanadaReported employees: 1-10 | Vancouver, BC, Canada | 1-10 | Exact match | 7 contacts → |
“Leader in the revitalization of the architectural heritage houses for modern lifestyles in Vancouver, BC, Canada.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Skymark Projects LTDskymarkprojects.com HQ: Port Coquitlam, BC, CanadaReported employees: 51-200 | Port Coquitlam, BC, Canada | 51-200 | Exact match | 7 contacts → |
“Skymark Projects is a leading restoration firm that excels in enhancing the integrity and aesthetics of a wide range of properties.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 86 company matches
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Heritage building retrofitting firms: dataset insights
October 14, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
85 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Canada, so it is reported there. Company counts and contact totals on this page are exact for Canada, over 86 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 14, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for heritage building retrofitting firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many heritage building retrofitting firms did RevenueBase find based in Canada?
The saved snapshot records 86 matching company records, 793 tracked contacts and 431 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 14, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Heritage building retrofitting firms by geography
- Heritage building retrofitting firms based in Paris, France
- Heritage building retrofitting firms based in London, United Kingdom
- Heritage building retrofitting firms based in New York, United States
- Heritage building retrofitting firms based in Australia
- Heritage building retrofitting firms based in Belgium
- Heritage building retrofitting firms based in Brazil
- Heritage building retrofitting firms based in France
- Heritage building retrofitting firms based in Germany
- Heritage building retrofitting firms based in India
- Heritage building retrofitting firms based in Italy
- Heritage building retrofitting firms based in the Netherlands
- Heritage building retrofitting firms based in Spain
Cite this list
RevenueBase Data Team. Top 25 heritage building retrofitting firms based in Canada. Snapshot: October 14, 2026. https://revenuebase.ai/companies/heritage-building-retrofitting-firms/canada.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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- Heritage building retrofitting firms based in Paris, France
- Heritage building retrofitting firms based in London, United Kingdom
- Heritage building retrofitting firms based in New York, United States
- Heritage building retrofitting firms based in Australia
- Heritage building retrofitting firms based in Belgium
- Heritage building retrofitting firms based in Brazil