Company lists · Data refreshed September 2026
Top 14 Niche law firms based in Montreal, Canada
RevenueBase identified 81 niche law firms headquartered in Montreal, Canada as of September 2026 and tracks 2,197 professional contacts across them, including 1,353 with verified work emails. Toronto is the largest hub.
This list covers niche law firms headquartered in Montreal, 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 14, 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 14 largest niche law firms based in Montreal, Canada
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 37 contacts → | ||||
Partial evidence “Gascon & Associates L.L.P specializes in business law.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 2 | 36 contacts → | ||||
Indirect evidence “Fondé en 1991, le cabinet Gattuso Bouchard Mazzone se distingue aujourd’hui par son offre de services juridiques ciblés et diversifiés.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 3 | 26 contacts → | ||||
Indirect evidence “Fondé en Donati Maisonneuve est un cabinet boutique spécialisé en litige oeuvrant essentiellement dans les industries de l'assurance, de la construction, de l'immobilier et des…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 4 | 18 contacts → | ||||
Indirect evidence “Gasco Goodhue St-Germain’s mission is to furnish the insurance industry with top quality, specialized legal services, while meeting the specific needs and requirements of each…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 5 | 14 contacts → | ||||
Partial evidence “A renowned firm specializing in business law and international trade, Affilia Legal LLP, comprehensively addresses the legal service needs of internationally oriented businesses.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 6 | 14 contacts → | ||||
Indirect evidence “Grey Casgrain est un cabinet boutique de litige.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 7 | 13 contacts → | ||||
Partial evidence “Renno & Vathilakis is a fully bilingual boutique litigation law firm providing services in commercial, corporate and civil litigation and arbitration.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 8 | 12 contacts → | ||||
Partial evidence “INF LLP is a boutique litigation firm specializing in class actions, commercial and insurance litigation, and construction law.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 9 | 12 contacts → | ||||
Partial evidence “We are a boutique law firm located in Montreal, Canada that offers legal services in Business Law, Real Estate Law, Family Law and Litigation.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 10 | 11 contacts → | ||||
Indirect evidence “Nos avocats d’expérience offrent aux particuliers et aux entreprises une vaste gamme de services juridiques adaptés à leurs besoins personnels, familiaux et commerciaux dans tous…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 11 | 10 contacts → | ||||
Partial evidence “HedgeLegal is a boutique law firm providing advice and negotiation services for complex trading and financing documentation for hedge funds, family offices and sell-side firms.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 12 | 10 contacts → | ||||
Indirect evidence “Chez Laurendeau Rasic, notre objectif ultime est d’offrir à nos clients un service de haute qualité pour accomplir tous nos mandats à leur pleine satisfaction.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 13 | 9 contacts → | ||||
Indirect evidence “Ravinsky Ryan Lemoine est un cabinet d’avocats établi à Montréal qui fournit une vaste gamme de services juridiques reliés aux affaires et à l’entreprise.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 14 | 8 contacts → | ||||
Indirect evidence “Founded in 1974 by a group of experienced attorneys, Sternthal Montigny Greenberg St-Germain llp has since built an enviable reputation thanks to an experienced and highly…” Source: RevenueBase Database · checked Sep 14, 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: niche 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 niche law firms.
- Partial evidence
- Its own public description names part of niche law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name niche 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 14 of 81 niche law firms based in Montreal, Canada
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Niche law firms based in Montreal, Canada at a glance
As of Sep 14, 2026Companies by employee count
Email recency for this list is measured across the whole Canada list rather than for Montreal, so it is reported there. Company counts and contact totals on this page are exact for Montreal, over 81 companies.
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 niche 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 Montreal, Canada whose own description of what they do matches “niche 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 niche 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 niche law firms, and records with no verified work email. Companies headquartered outside Montreal 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, 1,353 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 14, 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.
Niche law firms by metro in Canada
- Niche law firms in Toronto187
- Niche law firms in Montreal81
- Niche law firms in Vancouver64
- Niche law firms in Calgary48
- Niche law firms in Ottawa31
- Niche law firms in Mississauga29
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 niche 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 niche law firms are there based in Montreal, Canada?
RevenueBase identified 81 niche law firms headquartered in Montreal, 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?
Gascon, headquartered in Montreal, tops this list with the largest team on record.
Which city has the most niche law firms?
Toronto leads with 187 headquartered companies, followed by Montreal (81) and Vancouver (64).
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 1,353 verified decision-maker contacts tracked across these 81 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 14, 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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