Company lists · Data refreshed September 2026

Top 25 Legal support services law firms based in Canada

RevenueBase identified 1,095 legal support services law firms headquartered in Canada as of September 2026 and tracks 9,900 professional contacts across them, including 5,382 with verified work emails and 547 with mobile numbers. Toronto is the largest hub.

This list covers legal support services law firms headquartered in Canada, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 4, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 4, 2026 86% judged on-target in blind review
1,095Companies
9,900Contacts tracked
5,382Verified emails
547Mobile numbers
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The 25 largest legal support services law firms based in Canada

Ranked by team size
Top 25 of 1,095 legal support services law firms based in Canada, ranked by team size, largest first. Data refreshed Sep 4, 2026. RevenueBase Smart Search rates how each company's information relates to legal support services law firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceLondon, ON, CanadaHQ checked Sep 4, 2026201-500447 contacts →

Partial evidence

“Lerners LLP is a full service law firm that has grown to become one of Ontario’s largest firms.”

Source: RevenueBase Database · checked Sep 4, 2026
2Strong evidenceMontréal, QC, CanadaHQ checked Sep 4, 2026201-500347 contacts →

Strong evidence

“As a leading independent law firm in Québec, Langlois brings together more than 325 people, including some 185 legal professionals, in our Montréal and Québec City offices.”

Source: RevenueBase Database · checked Sep 4, 2026
3Partial evidenceToronto, ON, CanadaHQ checked Sep 4, 2026201-500298 contacts →

Partial evidence

“Based in the heart of Toronto’s financial district, Blaney McMurtry LLP is one of Canada's premier law firms.”

Source: RevenueBase Database · checked Sep 4, 2026
4Indirect evidenceMontréal, QC, CanadaHQ checked Sep 4, 2026201-500212 contacts →

Indirect evidence

“Dunton Rainville is a firm of over 285 people, including some 135 lawyers, notaries and labour relations consultants.”

Source: RevenueBase Database · checked Sep 4, 2026
5Partial evidenceToronto, ON, CanadaHQ checked Sep 4, 202651-200204 contacts →

Partial evidence

“Founded in the 1920s, Gardiner Roberts LLP (GR) is a full-service law firm advising clients ranging from leading global enterprises through to small and medium-sized companies…”

Source: RevenueBase Database · checked Sep 4, 2026
6Partial evidenceQuebec, QC, CanadaHQ checked Sep 4, 202651-200154 contacts →

Partial evidence

“Law Office”

Source: RevenueBase Database · checked Sep 4, 2026
7Indirect evidenceQuébec, QC, CanadaHQ checked Sep 4, 202651-200137 contacts →

Indirect evidence

“Notre cabinet Morency, Société d’avocats en nom collectif à responsabilité limitée, offre depuis 1970 des services juridiques spécialisés à la mesure des besoins d’une clientèle…”

Source: RevenueBase Database · checked Sep 4, 2026
8Partial evidenceToronto, ON, CanadaHQ checked Sep 4, 202651-200133 contacts →

Partial evidence

“Since 1964, Devry Smith Frank LLP (DSF) has provided trusted legal service to individuals, businesses, and institutions throughout Ontario.”

Source: RevenueBase Database · checked Sep 4, 2026
9Indirect evidenceEdmonton, AB, CanadaHQ checked Sep 4, 202651-200129 contacts →

Indirect evidence

“WITTEN LLP has its roots in the early 1900s when the late Abe W.”

Source: RevenueBase Database · checked Sep 4, 2026
10Strong evidenceToronto, ON, CanadaHQ checked Sep 4, 202651-200123 contacts →

Strong evidence

“Established in 1981, Pace Law Firm has dedicated itself to its goal of effecting positive changes in clients’ lives by representing them effectively in navigating the legal…”

Source: RevenueBase Database · checked Sep 4, 2026
11Strong evidenceGuelph, ON, CanadaHQ checked Sep 4, 202651-200114 contacts →

Strong evidence

“SV Law has a long and distinguished history of providing Guelph and area residents and businesses with high-quality, personal and professional legal services.”

Source: RevenueBase Database · checked Sep 4, 2026
12Indirect evidenceEdmonton, AB, CanadaHQ checked Sep 4, 202651-200113 contacts →

Indirect evidence

“Integrity.”

Source: RevenueBase Database · checked Sep 4, 2026
13Partial evidenceWinnipeg, MB, CanadaHQ checked Sep 4, 202651-200112 contacts →

Partial evidence

“Fillmore Riley is a highly regarded and accomplished full-service Manitoba law firm.”

Source: RevenueBase Database · checked Sep 4, 2026
14Indirect evidenceBarrie, ON, CanadaHQ checked Sep 4, 202651-200110 contacts →

Indirect evidence

“Our Mission: Community Leadership.”

Source: RevenueBase Database · checked Sep 4, 2026
15Partial evidenceToronto, ON, CanadaHQ checked Sep 4, 202651-200107 contacts →

Partial evidence

“KRMC is a diverse, multi-service law firm located in the thriving uptown business district.”

Source: RevenueBase Database · checked Sep 4, 2026
16Indirect evidenceHamilton, ON, CanadaHQ checked Sep 4, 202651-200102 contacts →

Indirect evidence

“Ross & McBride LLP's clients include financial institutions and non-profit organizations, large public corporations and small family businesses, senior citizens and young people.”

Source: RevenueBase Database · checked Sep 4, 2026
17Partial evidenceVancouver, BC, CanadaHQ checked Sep 4, 202651-20097 contacts →

Partial evidence

“We are a multi-service law firm based in the heart of downtown Vancouver's financial district and Dundarave in West Vancouver.”

Source: RevenueBase Database · checked Sep 4, 2026
18Indirect evidenceLaval, QC, CanadaHQ checked Sep 4, 202651-20096 contacts →

Indirect evidence

“Alepin Gauthier Avocats was founded in 1978 by Me François Alepin.”

Source: RevenueBase Database · checked Sep 4, 2026
19Indirect evidenceOttawa, ON, CanadaHQ checked Sep 4, 202651-20088 contacts →

Indirect evidence

“Since opening its doors in 1946, Soloway Wright LLP has built a proud history of serving its clients and community.”

Source: RevenueBase Database · checked Sep 4, 2026
20Partial evidenceToronto, ON, CanadaHQ checked Sep 4, 202651-20087 contacts →

Partial evidence

“For over 15 years, Caravel Law has pioneered a new style of law firm in Canada, serving as an ideal alternative to the traditional options.”

Source: RevenueBase Database · checked Sep 4, 2026
21Strong evidenceToronto, ON, CanadaHQ checked Sep 4, 202651-20087 contacts →

Strong evidence

“Mills & Mills LLP is a Toronto law firm established 130 years ago which provides legal services of the highest quality to businesses and individuals, as well as to charitable and…”

Source: RevenueBase Database · checked Sep 4, 2026
22Indirect evidenceQuébec, QC, CanadaHQ checked Sep 4, 202651-20084 contacts →

Indirect evidence

“GBV Avocats est un cabinet d'avocats chef de file en matière de litige civil et commercial.”

Source: RevenueBase Database · checked Sep 4, 2026
23Partial evidenceEdmonton, AB, CanadaHQ checked Sep 4, 202651-20080 contacts →

Partial evidence

“As one of Alberta’s premier law firms, Ogilvie was built on a tradition of building relationships and working alongside our clients, and that’s still our philosophy today.”

Source: RevenueBase Database · checked Sep 4, 2026
24Indirect evidenceToronto, CanadaHQ checked Sep 4, 202651-20068 contacts →

Indirect evidence

“We blend big firm expertise and experience with the attention and service of a boutique firm, allowing us to deliver an exceptional client-focused experience across a broad range…”

Source: RevenueBase Database · checked Sep 4, 2026
25Indirect evidenceOttawa, ON, CanadaHQ checked Sep 4, 202651-20067 contacts →

Indirect evidence

“Welcome to Mann Lawyers LLP.”

Source: RevenueBase Database · checked Sep 4, 2026

Showing 25 of 1,095 legal support services law firms based in Canada

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Legal support services law firms based in Canada at a glance

As of Sep 4, 2026
54.4%Verified-email coverage
5.5%Mobile-number coverage
9.0Average contacts per company
1-10Median size (employees)
15.1%Largest-city concentration · Toronto
Sep 4, 2026Page data refreshed

Companies by employee count

1-10
736
11-50
271
51-200
53
201-500
4
1,001-5,000
1
10001+
1

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among legal support services law firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Canada whose own description of what they do matches “legal support services law firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names legal support services law firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among legal support services law firms, and records with no verified work email. Companies headquartered outside Canada are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 5,382 across the full list. 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 4, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names legal support services law firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many legal support services law firms are there based in Canada?

RevenueBase identified 1,095 legal support services law firms headquartered in Canada as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Lerners LLP, headquartered in Kitchener, tops this list with the largest team on record.

Which city has the most legal support services law firms?

Toronto leads with 165 headquartered companies, followed by Montreal (82) and Calgary (73).

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 5,382 verified decision-maker contacts tracked across these 1,095 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 4, 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 Smart Search, 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.