Company lists · Data refreshed November 2026

Top 25 Information security attorneys based in Toronto, Canada

RevenueBase identified 79 company matches for information security attorneys associated with Toronto, Canada as of November 2026 and tracks 917 professional contacts across them, including 468 with verified work emails. Across Canada, Toronto is the largest hub for this category.

This list covers company matches for information security attorneys associated with Toronto, 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 November 5, 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 Nov 5, 2026 How this list was built
79Companies
917Contacts tracked
468Verified emails
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The 25 largest information security attorneys based in Toronto, Canada

Ranked by team size
Top 25 of 79 company matches for information security attorneys based in Toronto, Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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, CanadaHQ recorded Nov 5, 2026201-500313 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchToronto, ON, CanadaHQ recorded Nov 5, 202651-200261 contacts →

Exact match

“Trillium Information Security Systems (TISS) is a leading global provider of cybersecurity solutions and services, established in 2005.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchToronto, ON, CanadaHQ recorded Nov 5, 202611-5031 contacts →

Exact match

“Redfox Cybersecurity is a fast-growing cybersecurity consulting firm, spread across 4 countries.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchToronto, ON, CanadaHQ recorded Nov 5, 2026501-1,00028 contacts →

Exact match

“Cyderes is a global cybersecurity powerhouse offering comprehensive solutions around managed security, identity and access management, and professional services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchToronto, ON, CanadaHQ recorded Nov 5, 202611-5028 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 · Nov 5, 2026 · View company records in RevenueBase
6Exact matchToronto, ON, CanadaHQ recorded Nov 5, 202611-5025 contacts →

Exact match

“Intercast's mission is to be a strategic resource to our clients in Risk Reduction.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchToronto, ON, CanadaHQ recorded Nov 5, 202611-5021 contacts →

Exact match

“Armour Cybersecurity protects organizations from the multi-faceted, ever-evolving cyber threats that put businesses at risk every day.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchToronto, ON, CanadaHQ recorded Nov 5, 202611-5020 contacts →

Exact match

“MT>3,(formerly Wortzmans) a Division of McCarthy Tétrault LLP, specializes in providing legal advice, strategy and services related to the management of digital information.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchToronto, ON, CanadaHQ recorded Nov 5, 202611-5014 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 · Nov 5, 2026 · View company records in RevenueBase
10Exact matchToronto, ON, CanadaHQ recorded Nov 5, 20261-1011 contacts →

Exact match

“INNOV-8 offers a radically different approach to law that merges data management and technology expertise with comprehensive legal experience to help our clients drive exceptional…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchToronto, ON, CanadaHQ recorded Nov 5, 202611-5011 contacts →

Exact match

“Data.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchToronto, ON, CanadaHQ recorded Nov 5, 202611-5010 contacts →

Exact match

“A fast growing Toronto-based advisory firm, Fernhill Associates specializes in business operations, technology and cyber security.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchToronto, CanadaHQ recorded Nov 5, 20261-107 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 · Nov 5, 2026 · View company records in RevenueBase
14Exact matchToronto, ON, CanadaHQ recorded Nov 5, 202611-506 contacts →

Exact match

“CyberSteward™ is a global, market-leading Cybersecurity Advisory firm, headquartered in Toronto, Ontario, Canada, with technical expertise in cybersecurity breaches and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchToronto, ON, CanadaHQ recorded Nov 5, 202611-505 contacts →

Exact match

“Your Partner in Cybersecurity Excellence.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchToronto, CanadaHQ recorded Nov 5, 202611-504 contacts →

Exact match

“Empowering organizations to navigate modern cybersecurity challenges with confidence.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchToronto, CanadaHQ recorded Nov 5, 202611-503 contacts →

Exact match

“S.E.A Protection Services is an elite advisory firm integrating cyber intelligence, legal precision, and behavioral disciplines.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchToronto, ON, CanadaHQ recorded Nov 5, 20261-103 contacts →

Exact match

“The tools and expertise to help you build and maintain your privacy and security management program.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchToronto, ON, CanadaHQ recorded Nov 5, 20261-103 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 · Nov 5, 2026 · View company records in RevenueBase
20Exact matchToronto, ON, CanadaHQ recorded Nov 5, 202611-502 contacts →

Exact match

“Altoverra is an IT Security company assisting small and medium sized organizations with their Cybersecurity needs.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchToronto, ON, CanadaHQ recorded Nov 5, 20261-102 contacts →

Exact match

“RiskView is a Toronto-based Cyber Security Risk Management Consulting Firm founded in 2012.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchToronto, CanadaHQ recorded Nov 5, 20261-102 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 · Nov 5, 2026 · View company records in RevenueBase
23Exact matchToronto, ON, CanadaHQ recorded Nov 5, 20261-102 contacts →

Exact match

“InterLAN completed hundreds of cybersecurity and network infrastructure engagements with well over one hundred organizations in Canada and the US.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchToronto, ON, CanadaHQ recorded Nov 5, 20261-102 contacts →

Exact match

“Akouto is a consulting firm in Toronto, Ontario providing business Cyber Security solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchToronto, ON, CanadaHQ recorded Nov 5, 20261-102 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 79 information security attorneys based in Toronto, Canada

See the full list, filter by size, metro and specialty, and access 468 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Information security attorneys based in Toronto, Canada at a glance

As of Nov 5, 2026
51.0%Verified-email coverage
11.6Average contacts per company
1-10Median size (employees)
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
47
11-50
26
51-200
4
201-500
1
501-1,000
1

Email recency for this list is measured across the whole Canada list rather than for Toronto, so it is reported there. Company counts and contact totals on this page are exact for Toronto, over 79 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 Toronto, Canada whose business descriptions match “information security attorneys” 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 468 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 November 5, 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.

Information security attorneys by metro in Canada

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 “information security attorneys”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many information security attorneys are there based in Toronto, Canada?

RevenueBase identified 79 company matches for information security attorneys associated with Toronto, Canada as of November 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 in Canada has the most information security attorneys?

Toronto leads Canada with 79 company records, followed by Montreal (49) and Ottawa (30).

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 468 professional contacts with verified work emails tracked across these 79 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 November 5, 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.