Company lists · Data refreshed September 2026
Top 25 Cannabis compliance law firms worldwide
RevenueBase identified 2,313 cannabis compliance law firms worldwide as of September 2026 and tracks 19,973 professional contacts across them, including 6,653 with verified work emails. The United States is the largest market and Denver the largest hub.
This list covers cannabis compliance law firms worldwide, 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 27, 2026. Country and city lists for cannabis compliance law firms follow the table.
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 cannabis compliance law firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,200 contacts → | ||||
Partial evidence “Green Thumb Industries Inc.(“Green Thumb”), a national cannabis consumer packaged goods company and retailer, promotes well-being through the power of cannabis while giving back…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 693 contacts → | ||||
Partial evidence “Good Day Farm is a leading cannabis company and retailer headquartered in the South.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 3 | 359 contacts → | ||||
Partial evidence “C3 Industries is a private, vertically-integrated, multi-state cannabis company with operations in 6 states in the US.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 311 contacts → | ||||
Partial evidence “MedMen Enterprises is a leading cannabis company in the U.S.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 5 | 304 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 6 | 270 contacts → | ||||
Partial evidence “Almost overnight, Cannabis has become a legal, legitimate business and a multi-billion dollar industry.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 7 | 251 contacts → | ||||
Partial evidence “Native Roots is one of the largest cannabis companies in the country with 20+ retail locations across the state of Colorado.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 8 | 250 contacts → | ||||
Partial evidence “Vireo was founded as a pioneer in medical cannabis in 2014 and is fueled by an entrepreneurial drive.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 9 | 217 contacts → | ||||
Partial evidence “We believe that cannabis has an appropriate place in society.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 10 | 184 contacts → | ||||
Partial evidence “Revolution is a craft cannabis company.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 143 contacts → | ||||
Partial evidence “Theory Wellness ("TW") is a leading provider of craft cannabis.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 12 | 138 contacts → | ||||
Partial evidence “Rove is one of the fastest growing cannabis companies in the nation.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 13 | 134 contacts → | ||||
Partial evidence “A forefront provider of cannabis testing technologies and methodologies nationwide, our laboratories offer both regulatory and research & development (R&D) testing services in…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 14 | 130 contacts → | ||||
Partial evidence “A premier cannabis company providing a customized and superior customer experience and the expertise, education, research, and outreach about the use of cannabis for the greater…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 15 | 119 contacts → | ||||
Indirect evidence “Northeast Alternatives is a vertically integrated dispensary located off Exit 1A in Fall River MA.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 16 | 114 contacts → | ||||
Partial evidence “Founded in 2010, NCIA is the oldest, largest, and most effective trade association serving the cannabis industry.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 17 | 110 contacts → | ||||
Partial evidence “CBOE:$GRAM • OTC:$GRAM Gold Flora Corporation is a female-led, vertically integrated cannabis powerhouse, setting the standard for premium cannabis in California.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 18 | 105 contacts → | ||||
Partial evidence “Terrabis is a privately held, leading multi-state cannabis operator with a corporate office in Chicago.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 19 | 99 contacts → | ||||
Partial evidence “Klutch Cannabis is a leading Cultivator and Processor that is setting the standard for connoisseur-grade cannabis products in the Midwest.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 20 | 98 contacts → | ||||
Partial evidence “Our mission is to enhance our customers’ lives through the responsible use of cannabis.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 21 | 97 contacts → | ||||
Indirect evidence “Shryne Group Inc.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 22 | 95 contacts → | ||||
Partial evidence “We are Nevada's cannabis company.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 23 | 95 contacts → | ||||
Partial evidence “At Flowhub, we’re on a mission to make safe cannabis product accessible to everyone on planet Earth.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 24 | 95 contacts → | ||||
Partial evidence “March and Ash is a customer-focused, licensed cannabis dispensary with multiple locations in Southern California.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 25 | 93 contacts → | ||||
Partial evidence “We are The Pharm and Sunday Goods and we’re on a mission to revolutionize the cannabis industry at scale creating a better, more consistent cannabis experience helping our clients…” Source: RevenueBase Database · checked Sep 27, 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: cannabis compliance 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 cannabis compliance law firms.
- Partial evidence
- Its own public description names part of cannabis compliance law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name cannabis compliance 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 2,313 cannabis compliance law firms worldwide
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Cannabis compliance law firms worldwide at a glance
As of Sep 27, 2026Companies by employee count
Email recency is reported on each country list linked below.
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 cannabis compliance 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.
- Coverage
- Every country. Country and city lists for cannabis compliance law firms are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “cannabis compliance 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 cannabis compliance 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 cannabis compliance law firms, and records with no verified work email.
- 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, 6,653 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 27, 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.
Cannabis compliance law firms by location
10 lists · largest firstEvery Cannabis compliance law firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Cannabis compliance law firms based in the United States1,437
- Cannabis compliance law firms based in Canada203
- Cannabis compliance law firms based in the United Kingdom29
- Cannabis compliance law firms based in Germany26
Cities
- Cannabis compliance law firms based in Denver, United States87
- Cannabis compliance law firms based in Los Angeles, United States86
- Cannabis compliance law firms based in New York, United States43
- Cannabis compliance law firms based in Las Vegas, United States35
- Cannabis compliance law firms based in Chicago, United States34
- Cannabis compliance law firms based in Portland, United States29
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 cannabis compliance 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 cannabis compliance law firms are there worldwide?
RevenueBase identified 2,313 cannabis compliance law firms worldwide 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?
Green Thumb Industries GTI, headquartered in Chicago, tops this list with the largest team on record.
Which country has the most cannabis compliance law firms?
The United States leads with 1,437 companies, followed by Canada (203) and the United Kingdom (29). Every cannabis compliance law firms list by country and city is linked on this page.
Which city has the most cannabis compliance law firms?
Denver leads with 87 headquartered companies, followed by Los Angeles (86) and Toronto (63).
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 6,653 verified decision-maker contacts tracked across these 2,313 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 27, 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.