Company lists · Data verified August 2026

Top 25 Data privacy law firms based in Canada

Name: Data privacy law firms based in Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 61 companies tracked

There are 61 data privacy law firms headquartered in Canada (RevenueBase, August 2026). RevenueBase 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 data privacy law firms headquartered in Canada, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

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 data privacy law firms based in Canada, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Weirfoulds LLP	Toronto, ON	201-500	282	212
2	DPO Consulting	Montreal	11-50	44	20
3	Deeth Williams Wall LLP	Toronto, ON	11-50	33	22
4	Eska Security	Concord, ON	11-50	30	1
5	Kirke Consulting	Vancouver, BC	11-50	16	7
6	INQ LAW	Toronto, ON	11-50	15	12
7	Privacyworks Consulting INC	Vancouver, BC	11-50	12	9
8	Schneider LAW Firm	Toronto, ON	1-10	9	7
9	Enzuzo	Waterloo, ON	11-50	9	4
10	Securis	Montreal, QC	11-50	8	2
11	The Privacy PRO	Toronto	1-10	7	2
12	Bamboo Data Consulting	Toronto	1-10	6	1
13	Impact Privacy	Vancouver, BC	1-10	6	1
14	Nymion Solutions	Montreal, QC	11-50	2	2
15	Zemel VAN Kampen LLP	Toronto, ON	1-10	2	2
16	Assuranz	Burnaby, BC	11-50	2	1
17	E-Risk	Montreal, QC	1-10	2	1
18	Cormisys	Markham, ON	1-10	2	1
19	John Wunderlich & Associates, INC	Toronto, ON	1-10	2	1
20	Privacy HQ	Toronto	1-10	2	1
21	Privpro INC	Ottawa, ON	1-10	2	1
22	Davis Cyber LAW	Winnipeg, MB	1-10	1	1
23	Decisionlead INC	Montreal, QC	1-10	1	1
24	Caloa Professional Services	Squamish, BC	1-10	1	1
25	Storage Clarity	Calgary, AB	1-10	1	1

Showing 25 of 61 data privacy law firms based in Canada

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Data privacy law firms based in Canada at a glance

As of Aug 28, 2026

1-10Median size (employees)

TorontoLargest hub · 23 HQs

36Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

201-500

Data privacy law firms by metro

Metro	Companies
Data privacy law firms in Toronto	23
Data privacy law firms in Montreal	13
Data privacy law firms in Vancouver	5
Data privacy law firms in Ottawa	3
Data privacy law firms in Waterloo	2
Data privacy law firms in Calgary	2
Data privacy law firms in Halifax	1
Data privacy law firms in Vaughan	1

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “data privacy law firms”, with match quality audited by blind human judging, and headquartered in Canada.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

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

There are 61 data privacy law firms headquartered in Canada as of August 2026 (RevenueBase).

What is the largest company on this list?

Weirfoulds LLP, headquartered in Toronto, tops this list with the largest team on record.

Which city has the most data privacy law firms?

Toronto leads with 23 headquartered companies, 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 the top results, verified emails and direct dials included. Upgrading unlocks all 319 verified decision-maker contacts tracked across these 61 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.