Company lists · Data refreshed September 2026

Top 25 Data privacy law firms based in Canada

RevenueBase identified 61 company matches for data privacy law firms associated with Canada as of September 2026 and tracks 592 professional contacts across them, including 319 with verified work emails and 36 with mobile numbers. Toronto is the largest hub.

This list covers company matches for data privacy law 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 1, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 1, 2026 How this list was built
61Companies
592Contacts tracked
319Verified emails
36Mobile numbers
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The 25 largest data privacy law firms based in Canada

Ranked by team size
Top 25 of 61 company matches for data privacy law firms based in Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 1, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchToronto, ON, Canada201-500282 contacts →

Exact match

“For over 165 years, the lawyers of WeirFoulds have been proud to serve our clients in their most difficult and complex matters.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
2Exact matchMontreal, Canada11-5044 contacts →

Exact match

“DPO Consulting est un cabinet de conseil spécialisé en protection des données, gouvernance de l’IA et cybersécurité.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
3Exact matchToronto, ON, Canada11-5033 contacts →

Exact match

“Deeth Williams Wall LLP is an entrepreneurial boutique law firm with locally and internationally recognized lawyers that cover all aspects of IP prosecution, commercialization and…”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
4Exact matchConcord, ON, Canada11-5030 contacts →

Exact match

“ESKA is a leading global cybersecurity provider dedicated to safeguarding businesses from SMB to Enterprise.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
5Exact matchVancouver, BC, Canada11-5016 contacts →

Exact match

“The Kirke approach is built on a foundation of data privacy, data and AI governance, and data intelligence- because, in today's digital world, data is not just an asset; it's the…”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
6Exact matchToronto, ON, Canada11-5015 contacts →

Exact match

“We stay on top of emerging trends so your business can seize the opportunities of today’s rapidly changing world.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
7Exact matchVancouver, BC, Canada11-5012 contacts →

Exact match

“Privacy, Access to Information (FOI/ATI), and Cybersecurity can feel overwhelming - especially for teams balancing limited resources with growing compliance, security, and risk…”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
8Exact matchToronto, ON, Canada1-109 contacts →

Exact match

“Let our family take care of yours.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
9Exact matchWaterloo, ON, Canada11-509 contacts →

Exact match

“Data privacy compliance doesn't have to be complicated.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
10Exact matchMontreal, QC, Canada11-508 contacts →

Exact match

“Securis is a boutique risk, compliance, privacy and cybersecurity services firm dedicated to helping organizations meet their cyber risk and compliance objectives.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
11Exact matchToronto, Canada1-107 contacts →

Exact match

“The Privacy Pro helps global companies implement practical solutions to protect data, comply with laws and most importantly, respect people.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
12Exact matchToronto, Canada1-106 contacts →

Exact match

“Bamboo Data Consulting is a niche privacy and security consulting firm, dedicated to fostering trust and responsibility in the profitable use of data.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
13Exact matchVancouver, BC, Canada1-106 contacts →

Exact match

“We help businesses in Life Sciences and Digital Health effectively manage their commitments, obligations, and risks in privacy and data protection, including information security…”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
14Exact matchMontreal, QC, Canada11-502 contacts →

Exact match

“Nymion was created to support companies on their journey to better governance and risk management through data privacy best practices.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
15Exact matchToronto, ON, Canada1-102 contacts →

Exact match

“Zemel van Kampen LLP is a boutique technology law and litigation firm located in downtown Toronto.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
16Exact matchBurnaby, BC, Canada11-502 contacts →

Exact match

“Assuranz is a trusted partner at the C-level and specializes on the domains of Cybersecurity, Data Privacy, IT Risk Management, Governance, Compliance, Security Architecture and…”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
17Exact matchMontreal, QC, Canada1-102 contacts →

Exact match

“e-Risk is the first Canadian multidisciplinary law firm specialized in information technology law, cybersecurity and privacy.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
18Exact matchMarkham, ON, Canada1-102 contacts →

Exact match

“Consulting services at the nexus of Technology, Operations, and Law.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
19Exact matchToronto, ON, Canada1-102 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
20Exact matchToronto, Canada1-102 contacts →

Exact match

“Simplifying data privacy to help businesses with their privacy needs - if you collect and work with personal information, you have mandatory obligations - let us help so that you…”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
21Exact matchOttawa, ON, Canada1-102 contacts →

Exact match

“We are a Ottawa-based consulting firm specializing in Canadian privacy compliance, access to information, and data management.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
22Exact matchWinnipeg, MB, Canada1-101 contacts →

Exact match

“Protect your business with strategic Risk Management, organized Incident Response execution, and world-class Advocacy and Defense.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
23Exact matchMontreal, QC, Canada1-101 contacts →

Exact match

“Headquartered in Montreal, DecisionLead Inc.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
24Exact matchSquamish, BC, Canada1-101 contacts →

Exact match

“Caloa was founded with a mission to be a leading professional services firm you look forward to working with.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
25Exact matchCalgary, AB, Canada1-101 contacts →

Exact match

“Storage Clarity assists organizations with managing the complexities and risks with digital infrastructures.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase

Showing 25 of 61 data privacy law firms based in Canada

See the full list, filter by size, metro and specialty, and access 319 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Data privacy law firms based in Canada at a glance

As of Sep 1, 2026
53.9%Verified-email coverage
6.1%Mobile-number coverage
9.7Average contacts per company
1-10Median size (employees)
37.7%Largest-city concentration · Toronto
Sep 1, 2026Page data refreshed

Companies by employee count

1-10
43
11-50
16
201-500
1

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 “data privacy law 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 319 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 1, 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 “data privacy law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many data privacy law firms are there based in Canada?

RevenueBase identified 61 company matches for data privacy law 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?

Weirfoulds LLP tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most data privacy law firms?

Toronto leads with 23 company records, followed by Montreal (13) and Vancouver (5).

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 319 professional contacts with verified work emails tracked across these 61 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 1, 2026.

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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.