Company lists · Data refreshed September 2026
Top 25 Due diligence firms based in Canada
RevenueBase identified 57 company matches for due diligence firms associated with Canada as of September 2026 and tracks 1,215 professional contacts across them, including 233 with verified work emails. Toronto is the largest hub.
This list covers company matches for due diligence 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 September 19, 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 due diligence firms based in Canada
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 408 contacts → | ||||
Exact match “Sterling was acquired by First Advantage on October 31st, 2024.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 214 contacts → | ||||
Exact match “Xpera has been a trusted partner to businesses and governments for over 50 years.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 53 contacts → | ||||
Exact match “SIRCO offers efficient investigative methods to counter: Theft, Fraud, Collusion with Suppliers, Drug Trafficking, Threats, Trademarks Piracy, Labour Disputes, Harassment…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 45 contacts → | ||||
Exact match “Larrek Investigations has been in operation since April 30, 1980, with our current ownership having been in place since October 31, 2008.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 33 contacts → | ||||
Exact match “Groupe Trak est une firme spécialisée dans le secteur de la sécurité corporative qui offre une gamme complète de services professionnels et personnalisés : SERVICES RH…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 6 | 27 contacts → | ||||
Exact match “Aberdeen Investigation Inc.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 22 contacts → | ||||
Exact match “Investigations | Intelligence | Enterprise Risk Management King International Advisory Group is an Investigation & Enterprise Risk Management agency committed to assisting…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 8 | 17 contacts → | ||||
Exact match “Vérification légale & solvabilité commerciale : obtenez instantanément un rapport de crédit via notre portail avec les données en provenance des plus grands bureaux de crédit à…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 16 contacts → | ||||
Exact match “AuditSoft is the industry leader in digital audit and compliance solutions, setting the standard for secure, verifiable workplace risk assessments.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 13 contacts → | ||||
Exact match “WHEN THE STAKES ARE HIGH, YOU NEED TO BE SURE When critical issues arise, you need objective answers that guide you toward the right decisions.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 12 contacts → | ||||
Exact match “Reed Research is your powerful partner in Insurance, Corporate and Legal Investigations.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 8 contacts → | ||||
Exact match “Progress Investigations is a national investigations firm with offices serving BC, AB, ON, QC, NB, PE, and NS.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 7 contacts → | ||||
Exact match “Full service investigation firm.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 6 contacts → | ||||
Exact match “CSI Screening is Canada's #1 background screening company, and is RCMP approved to provide multiple services for Canada, USA and over 200 other countries in the world.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 6 contacts → | ||||
Exact match “Securi-Check Group works in the field of investigation, pre-employment checks, pre-rental checks and fingerprinting.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 5 contacts → | ||||
Exact match “NexLevel provides Leadership Due Diligence for organizations in the pre-launch window of an M&A integration.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 4 contacts → | ||||
Exact match “Internal Controls are a vital component of financial reporting standards, as outlined by the SEC.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 3 contacts → | ||||
Exact match “Specialty Risk & Intelligence Services Inc.(SRIS) is a multidisciplinary Intelligence, Investigation and Risk Consulting agency that was founded by a group of industry experts.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 3 contacts → | ||||
Exact match “INVESTIGATIVE SERVICES, SURVEILLANCE SERVICES & RISK SOLUTIONS LET NEW DATA INFORM YOUR DECISIONS New Data Risk Solutions & Investigations is a British Columbia based Canadian…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 2 contacts → | ||||
Exact match “Firme d'investigation qui ce spécialise en enquête, recherche de personne, renseignement, solvabilité, filature, conflit de travail et plus encore.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 2 contacts → | ||||
Exact match “BMD Investigation & Protection, a firm accredited by the Quebec Private Security Office INV-20058123, offers a range of private investigation services, corporate audits and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 23 | 1 contacts → | ||||
Exact match “Welcome to Maze Intel, a cutting-edge investigative and intelligence firm that offers bespoke solutions to businesses and individuals seeking to navigate the complexities of…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 24 | 1 contacts → | ||||
Exact match “At Babic & Associates we provide detailed investigative services to the insurance, legal, corporate and government communities.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 25 | 1 contacts → | ||||
Exact match “Root Resolutions specializes in dealing with high-risk, high-profile concerns involving workplace bullying/harassment, sexual harassment, fraud/theft, conflict of interest and…” Recorded in the RevenueBase company graph · Sep 19, 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 “due diligence 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 57 due diligence firms based in Canada
See the full list, filter by size, metro and specialty, and access 233 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Due diligence firms based in Canada at a glance
As of Sep 19, 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 57 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 “due diligence 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 233 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 September 19, 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 “due diligence firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many due diligence firms are there based in Canada?
RevenueBase identified 57 company matches for due diligence firms associated with Canada as of September 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?
Sterlingbackcheck tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most due diligence firms?
Toronto leads with 17 company records, followed by Montreal (4) and Quebec (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 233 professional contacts with verified work emails tracked across these 57 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 September 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 57 due diligence firms based in Canada. Start with a free account, no credit card.
Download this list →Related lists
Due diligence firms by geography
- Due diligence firms based in Australia
- Due diligence firms based in Brazil
- Due diligence firms based in France
- Due diligence firms based in India
- Due diligence firms based in Italy
- Due diligence firms based in the Netherlands
- Due diligence firms based in South Africa
- Due diligence firms based in Spain
- Due diligence firms based in the United Kingdom
- Due diligence firms based in the United States
Browse the directory
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
Company intelligence · public preview
Top 25 due diligence 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 57 matching company records for due diligence firms based in Canada, with 1,215 tracked contacts and 233 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: September 19, 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 due diligence 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 |  Sterlingbackchecksterlingbackcheck.caHQ: Toronto, ON, CanadaReported employees: 1,001-5,000 | Toronto, ON, Canada | 1,001-5,000 | Exact match | 408 contacts → |
“Sterling was acquired by First Advantage on October 31st, 2024.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Markham, ON, CanadaReported employees: 1,001-5,000 | Markham, ON, Canada | 1,001-5,000 | Exact match | 214 contacts → |
“Xpera has been a trusted partner to businesses and governments for over 50 years.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  SIRCOgroupesirco.comHQ: Montréal-nord, CanadaReported employees: 51-200 | Montréal-nord, Canada | 51-200 | Exact match | 53 contacts → |
“SIRCO offers efficient investigative methods to counter: Theft, Fraud, Collusion with Suppliers, Drug Trafficking, Threats, Trademarks Piracy, Labour Disputes, Harassment…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Larrek Investigationslarrek.com HQ: Waterloo, ON, CanadaReported employees: 51-200 | Waterloo, ON, Canada | 51-200 | Exact match | 45 contacts → |
“Larrek Investigations has been in operation since April 30, 1980, with our current ownership having been in place since October 31, 2008.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Groupe Trakgroupetrak.com HQ: Saint-Hubert, QC, CanadaReported employees: 51-200 | Saint-Hubert, QC, Canada | 51-200 | Exact match | 33 contacts → |
“Groupe Trak est une firme spécialisée dans le secteur de la sécurité corporative qui offre une gamme complète de services professionnels et personnalisés : SERVICES RH…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Aberdeen Investigations INCaberdeeninvestigations.comHQ: Mississauga, ON, CanadaReported employees: 51-200 | Mississauga, ON, Canada | 51-200 | Exact match | 27 contacts → |
“Aberdeen Investigation Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  King International Advisory Groupkinginternationalgroup.comHQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 22 contacts → |
“Investigations | Intelligence | Enterprise Risk Management King International Advisory Group is an Investigation & Enterprise Risk Management agency committed to assisting…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Alliance Creditalliancecredit.caHQ: Montréal, QC, CanadaReported employees: 11-50 | Montréal, QC, Canada | 11-50 | Exact match | 17 contacts → |
“Vérification légale & solvabilité commerciale : obtenez instantanément un rapport de crédit via notre portail avec les données en provenance des plus grands bureaux de crédit à…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Auditsoftauditsoft.coHQ: Calgary, ON, CanadaReported employees: 11-50 | Calgary, ON, Canada | 11-50 | Exact match | 16 contacts → |
“AuditSoft is the industry leader in digital audit and compliance solutions, setting the standard for secure, verifiable workplace risk assessments.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Barker Hutchinsonbarkerhutchinson.com HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 13 contacts → |
“WHEN THE STAKES ARE HIGH, YOU NEED TO BE SURE When critical issues arise, you need objective answers that guide you toward the right decisions.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Reed Research Investigationsreedresearch.comHQ: Markham, ON, CanadaReported employees: 11-50 | Markham, ON, Canada | 11-50 | Exact match | 12 contacts → |
“Reed Research is your powerful partner in Insurance, Corporate and Legal Investigations.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Progress Investigationsprogressinvestigations.ca HQ: AB, CanadaReported employees: 11-50 | AB, Canada | 11-50 | Exact match | 8 contacts → |
“Progress Investigations is a national investigations firm with offices serving BC, AB, ON, QC, NB, PE, and NS.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Whitehall Bureau Of Canada Limitedwhitehallcanada.com HQ: Stoney Creek, ON, CanadaReported employees: 1-10 | Stoney Creek, ON, Canada | 1-10 | Exact match | 7 contacts → |
“Full service investigation firm.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  CSI Background Screeningcsiscreening.comHQ: Halifax, NS, CanadaReported employees: 11-50 | Halifax, NS, Canada | 11-50 | Exact match | 6 contacts → |
“CSI Screening is Canada's #1 background screening company, and is RCMP approved to provide multiple services for Canada, USA and over 200 other countries in the world.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Groupe Securi-Checksecuri-check.comHQ: Montréal, QC, CanadaReported employees: 11-50 | Montréal, QC, Canada | 11-50 | Exact match | 6 contacts → |
“Securi-Check Group works in the field of investigation, pre-employment checks, pre-rental checks and fingerprinting.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Nexlevelnexlevelteams.comHQ: Rocky View County, AB, CanadaReported employees: 1-10 | Rocky View County, AB, Canada | 1-10 | Exact match | 5 contacts → |
“NexLevel provides Leadership Due Diligence for organizations in the pre-launch window of an M&A integration.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Acurus Business Consultingacurus.caHQ: Oakville, ON, CanadaReported employees: 1-10 | Oakville, ON, Canada | 1-10 | Exact match | 4 contacts → |
“Internal Controls are a vital component of financial reporting standards, as outlined by the SEC.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Scout Intelligence INCscoutintel.comHQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 3 contacts → |
“Specialty Risk & Intelligence Services Inc.(SRIS) is a multidisciplinary Intelligence, Investigation and Risk Consulting agency that was founded by a group of industry experts.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  NEW Data Risk Solutions & Investigations INCnewdatarisksolutions.comHQ: Vancouver, CanadaReported employees: 11-50 | Vancouver, Canada | 11-50 | Exact match | 3 contacts → |
“INVESTIGATIVE SERVICES, SURVEILLANCE SERVICES & RISK SOLUTIONS LET NEW DATA INFORM YOUR DECISIONS New Data Risk Solutions & Investigations is a British Columbia based Canadian…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Contact Investigationcontactinvestigation.com HQ: Québec, QC, CanadaReported employees: 1-10 | Québec, QC, Canada | 1-10 | Exact match | 2 contacts → |
“Firme d'investigation qui ce spécialise en enquête, recherche de personne, renseignement, solvabilité, filature, conflit de travail et plus encore.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | BMD Investigation ET Protectionbmdinvestigationetprotection.ca HQ: Laval, QC, CanadaReported employees: 11-50 | Laval, QC, Canada | 11-50 | Exact match | 2 contacts → |
“BMD Investigation & Protection, a firm accredited by the Quebec Private Security Office INV-20058123, offers a range of private investigation services, corporate audits and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Maze Intel INCmazeintel.comHQ: Ottawa, CanadaReported employees: 1-10 | Ottawa, Canada | 1-10 | Exact match | 1 contacts → |
“Welcome to Maze Intel, a cutting-edge investigative and intelligence firm that offers bespoke solutions to businesses and individuals seeking to navigate the complexities of…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Babic & Associatesbabic-pi.com HQ: Oakville, ON, CanadaReported employees: 1-10 | Oakville, ON, Canada | 1-10 | Exact match | 1 contacts → |
“At Babic & Associates we provide detailed investigative services to the insurance, legal, corporate and government communities.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Root Resolutions INCrootresolutions.ca HQ: Calgary, AB, CanadaReported employees: 1-10 | Calgary, AB, Canada | 1-10 | Exact match | 1 contacts → |
“Root Resolutions specializes in dealing with high-risk, high-profile concerns involving workplace bullying/harassment, sexual harassment, fraud/theft, conflict of interest and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 57 company matches
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Due diligence firms: dataset insights
September 19, 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
57 records in the displayed employee bands.
0 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 57 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: September 19, 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 due diligence 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 due diligence firms did RevenueBase find based in Canada?
The saved snapshot records 57 matching company records, 1,215 tracked contacts and 233 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: September 19, 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
Due diligence firms by geography
- Due diligence firms based in Australia
- Due diligence firms based in Brazil
- Due diligence firms based in France
- Due diligence firms based in India
- Due diligence firms based in Italy
- Due diligence firms based in the Netherlands
- Due diligence firms based in South Africa
- Due diligence firms based in Spain
- Due diligence firms based in the United Kingdom
- Due diligence firms based in the United States
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 due diligence firms based in Canada. Snapshot: September 19, 2026. https://revenuebase.ai/companies/due-diligence-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
Company intelligence · public preview
Top 25 due diligence firms based in Canada
RevenueBase records 57 matching company records for due diligence firms based in Canada, with 1,215 tracked contacts and 233 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: September 19, 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 due diligence 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 | Sterlingbackchecksterlingbackcheck.ca HQ: Toronto, ON, CanadaReported employees: 1,001-5,000 | Toronto, ON, Canada | 1,001-5,000 | Exact match | 408 contacts → |
“Sterling was acquired by First Advantage on October 31st, 2024.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Markham, ON, CanadaReported employees: 1,001-5,000 | Markham, ON, Canada | 1,001-5,000 | Exact match | 214 contacts → |
“Xpera has been a trusted partner to businesses and governments for over 50 years.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | SIRCOgroupesirco.com HQ: Montréal-nord, CanadaReported employees: 51-200 | Montréal-nord, Canada | 51-200 | Exact match | 53 contacts → |
“SIRCO offers efficient investigative methods to counter: Theft, Fraud, Collusion with Suppliers, Drug Trafficking, Threats, Trademarks Piracy, Labour Disputes, Harassment…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Larrek Investigationslarrek.com HQ: Waterloo, ON, CanadaReported employees: 51-200 | Waterloo, ON, Canada | 51-200 | Exact match | 45 contacts → |
“Larrek Investigations has been in operation since April 30, 1980, with our current ownership having been in place since October 31, 2008.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Groupe Trakgroupetrak.com HQ: Saint-Hubert, QC, CanadaReported employees: 51-200 | Saint-Hubert, QC, Canada | 51-200 | Exact match | 33 contacts → |
“Groupe Trak est une firme spécialisée dans le secteur de la sécurité corporative qui offre une gamme complète de services professionnels et personnalisés : SERVICES RH…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Aberdeen Investigations INCaberdeeninvestigations.com HQ: Mississauga, ON, CanadaReported employees: 51-200 | Mississauga, ON, Canada | 51-200 | Exact match | 27 contacts → |
“Aberdeen Investigation Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | King International Advisory Groupkinginternationalgroup.com HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 22 contacts → |
“Investigations | Intelligence | Enterprise Risk Management King International Advisory Group is an Investigation & Enterprise Risk Management agency committed to assisting…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Alliance Creditalliancecredit.ca HQ: Montréal, QC, CanadaReported employees: 11-50 | Montréal, QC, Canada | 11-50 | Exact match | 17 contacts → |
“Vérification légale & solvabilité commerciale : obtenez instantanément un rapport de crédit via notre portail avec les données en provenance des plus grands bureaux de crédit à…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Auditsoftauditsoft.co HQ: Calgary, ON, CanadaReported employees: 11-50 | Calgary, ON, Canada | 11-50 | Exact match | 16 contacts → |
“AuditSoft is the industry leader in digital audit and compliance solutions, setting the standard for secure, verifiable workplace risk assessments.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Barker Hutchinsonbarkerhutchinson.com HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 13 contacts → |
“WHEN THE STAKES ARE HIGH, YOU NEED TO BE SURE When critical issues arise, you need objective answers that guide you toward the right decisions.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Reed Research Investigationsreedresearch.com HQ: Markham, ON, CanadaReported employees: 11-50 | Markham, ON, Canada | 11-50 | Exact match | 12 contacts → |
“Reed Research is your powerful partner in Insurance, Corporate and Legal Investigations.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Progress Investigationsprogressinvestigations.ca HQ: AB, CanadaReported employees: 11-50 | AB, Canada | 11-50 | Exact match | 8 contacts → |
“Progress Investigations is a national investigations firm with offices serving BC, AB, ON, QC, NB, PE, and NS.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Whitehall Bureau Of Canada Limitedwhitehallcanada.com HQ: Stoney Creek, ON, CanadaReported employees: 1-10 | Stoney Creek, ON, Canada | 1-10 | Exact match | 7 contacts → |
“Full service investigation firm.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | CSI Background Screeningcsiscreening.com HQ: Halifax, NS, CanadaReported employees: 11-50 | Halifax, NS, Canada | 11-50 | Exact match | 6 contacts → |
“CSI Screening is Canada's #1 background screening company, and is RCMP approved to provide multiple services for Canada, USA and over 200 other countries in the world.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Groupe Securi-Checksecuri-check.com HQ: Montréal, QC, CanadaReported employees: 11-50 | Montréal, QC, Canada | 11-50 | Exact match | 6 contacts → |
“Securi-Check Group works in the field of investigation, pre-employment checks, pre-rental checks and fingerprinting.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Nexlevelnexlevelteams.com HQ: Rocky View County, AB, CanadaReported employees: 1-10 | Rocky View County, AB, Canada | 1-10 | Exact match | 5 contacts → |
“NexLevel provides Leadership Due Diligence for organizations in the pre-launch window of an M&A integration.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Acurus Business Consultingacurus.ca HQ: Oakville, ON, CanadaReported employees: 1-10 | Oakville, ON, Canada | 1-10 | Exact match | 4 contacts → |
“Internal Controls are a vital component of financial reporting standards, as outlined by the SEC.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Scout Intelligence INCscoutintel.com HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 3 contacts → |
“Specialty Risk & Intelligence Services Inc.(SRIS) is a multidisciplinary Intelligence, Investigation and Risk Consulting agency that was founded by a group of industry experts.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | NEW Data Risk Solutions & Investigations INCnewdatarisksolutions.com HQ: Vancouver, CanadaReported employees: 11-50 | Vancouver, Canada | 11-50 | Exact match | 3 contacts → |
“INVESTIGATIVE SERVICES, SURVEILLANCE SERVICES & RISK SOLUTIONS LET NEW DATA INFORM YOUR DECISIONS New Data Risk Solutions & Investigations is a British Columbia based Canadian…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Contact Investigationcontactinvestigation.com HQ: Québec, QC, CanadaReported employees: 1-10 | Québec, QC, Canada | 1-10 | Exact match | 2 contacts → |
“Firme d'investigation qui ce spécialise en enquête, recherche de personne, renseignement, solvabilité, filature, conflit de travail et plus encore.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | BMD Investigation ET Protectionbmdinvestigationetprotection.ca HQ: Laval, QC, CanadaReported employees: 11-50 | Laval, QC, Canada | 11-50 | Exact match | 2 contacts → |
“BMD Investigation & Protection, a firm accredited by the Quebec Private Security Office INV-20058123, offers a range of private investigation services, corporate audits and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Maze Intel INCmazeintel.com HQ: Ottawa, CanadaReported employees: 1-10 | Ottawa, Canada | 1-10 | Exact match | 1 contacts → |
“Welcome to Maze Intel, a cutting-edge investigative and intelligence firm that offers bespoke solutions to businesses and individuals seeking to navigate the complexities of…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Babic & Associatesbabic-pi.com HQ: Oakville, ON, CanadaReported employees: 1-10 | Oakville, ON, Canada | 1-10 | Exact match | 1 contacts → |
“At Babic & Associates we provide detailed investigative services to the insurance, legal, corporate and government communities.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Root Resolutions INCrootresolutions.ca HQ: Calgary, AB, CanadaReported employees: 1-10 | Calgary, AB, Canada | 1-10 | Exact match | 1 contacts → |
“Root Resolutions specializes in dealing with high-risk, high-profile concerns involving workplace bullying/harassment, sexual harassment, fraud/theft, conflict of interest and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Due diligence firms: dataset insights
September 19, 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
57 records in the displayed employee bands.
0 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 57 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: September 19, 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 due diligence 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 due diligence firms did RevenueBase find based in Canada?
The saved snapshot records 57 matching company records, 1,215 tracked contacts and 233 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: September 19, 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.
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Cite this list
RevenueBase Data Team. Top 25 due diligence firms based in Canada. Snapshot: September 19, 2026. https://revenuebase.ai/companies/due-diligence-firms/canada.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗