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.
The 25 largest legal support services law firms based in Canada
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 447 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, 2026Thanks. The Data Team will review it. | |||||
| 2 | 347 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, 2026Thanks. The Data Team will review it. | |||||
| 3 | 298 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, 2026Thanks. The Data Team will review it. | |||||
| 4 | 212 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, 2026Thanks. The Data Team will review it. | |||||
| 5 | 204 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, 2026Thanks. The Data Team will review it. | |||||
| 6 | 154 contacts → | ||||
Partial evidence “Law Office” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 7 | 137 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, 2026Thanks. The Data Team will review it. | |||||
| 8 | 133 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, 2026Thanks. The Data Team will review it. | |||||
| 9 | 129 contacts → | ||||
Indirect evidence “WITTEN LLP has its roots in the early 1900s when the late Abe W.” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 10 | 123 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, 2026Thanks. The Data Team will review it. | |||||
| 11 | 114 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, 2026Thanks. The Data Team will review it. | |||||
| 12 | 113 contacts → | ||||
Indirect evidence “Integrity.” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 13 | 112 contacts → | ||||
Partial evidence “Fillmore Riley is a highly regarded and accomplished full-service Manitoba law firm.” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 14 | 110 contacts → | ||||
Indirect evidence “Our Mission: Community Leadership.” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 15 | 107 contacts → | ||||
Partial evidence “KRMC is a diverse, multi-service law firm located in the thriving uptown business district.” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 16 | 102 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, 2026Thanks. The Data Team will review it. | |||||
| 17 | 97 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, 2026Thanks. The Data Team will review it. | |||||
| 18 | 96 contacts → | ||||
Indirect evidence “Alepin Gauthier Avocats was founded in 1978 by Me François Alepin.” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 19 | 88 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, 2026Thanks. The Data Team will review it. | |||||
| 20 | 87 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, 2026Thanks. The Data Team will review it. | |||||
| 21 | 87 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, 2026Thanks. The Data Team will review it. | |||||
| 22 | 84 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, 2026Thanks. The Data Team will review it. | |||||
| 23 | 80 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, 2026Thanks. The Data Team will review it. | |||||
| 24 | 68 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, 2026Thanks. The Data Team will review it. | |||||
| 25 | 67 contacts → | ||||
Indirect evidence “Welcome to Mann Lawyers LLP.” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: legal support services law firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names legal support services law firms.
- Partial evidence
- Its own public description names part of legal support services law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name legal support services law firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
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, 2026Companies by employee count
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.
Legal support services law firms by metro
- Legal support services law firms in Toronto165
- Legal support services law firms in Montreal82
- Legal support services law firms in Calgary73
- Legal support services law firms in Ottawa47
- Legal support services law firms in Mississauga45
- Legal support services law firms in Vancouver43
- Legal support services law firms in Edmonton42
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.
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