Company lists · Data refreshed September 2026
Top 25 Cannabis industry audit services based in the United States
RevenueBase identified 1,079 cannabis industry audit services headquartered in the United States as of September 2026 and tracks 10,086 professional contacts across them, including 3,640 with verified work emails. Denver is the largest hub.
This list covers cannabis industry audit services headquartered in the United States, 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.
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 industry audit services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 615 contacts → | ||||
Strong evidence “Founded in 2008, we’ve grown from a small startup to a global leader in the cannabis industry.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 443 contacts → | ||||
Partial evidence “The Cannabist Company (formerly Columbia Care) is one of the largest and most experienced cultivators, manufacturers and retailers of cannabis products and related services in the…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 3 | 432 contacts → | ||||
Partial evidence “TerrAscend is a leading TSX-listed cannabis company with interests across the North American cannabis sector, including operations in Pennsylvania, New Jersey, Maryland, Ohio, and…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 359 contacts → | ||||
Strong 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. | |||||
| 5 | 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. | |||||
| 6 | 270 contacts → | ||||
Strong 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 | 198 contacts → | ||||
Partial evidence “iAnthus delivers a comprehensive solution for financing and managing licensed cannabis cultivators, processors and dispensaries throughout the United States.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 8 | 193 contacts → | ||||
Partial evidence “Nabis is the #1 wholesale platform powering over $1B annually in licensed cannabis commerce across the U.S.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 9 | 185 contacts → | ||||
Strong evidence “LeafLink is the cannabis industry's premier wholesale platform, enabling businesses to manage their entire sales-to-cash process with ease.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 10 | 134 contacts → | ||||
Partial evidence “A forefront provider of cannabis testing technologies and methodologies nationwide, our laboratories offer both regulatory and research & development (R&D) testing services in…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 113 contacts → | ||||
Indirect evidence “WEED Inc.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 12 | 110 contacts → | ||||
Partial evidence “CBOE:$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. | |||||
| 13 | 98 contacts → | ||||
Partial evidence “ACT LAB is one of the nation’s largest Cannabis and Hemp testing networks, providing critical lab testing services for licensed cultivators and processors.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 14 | 97 contacts → | ||||
Indirect evidence “Shryne Group Inc.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 15 | 95 contacts → | ||||
Strong evidence “Established in 2014, Groundworks Industries is made up of the most scientifically-rigorous and elevated brands in cannabis.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 16 | 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. | |||||
| 17 | 93 contacts → | ||||
Strong 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. | |||||
| 18 | 80 contacts → | ||||
Partial evidence “SPARC’s roots began early in cannabis regulation, reaching as far back as 1998 when CA Proposition 215 was passed, making medical cannabis available to those with a doctor’s…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 19 | 78 contacts → | ||||
Partial evidence “Welcome to a new era of Cannabis!” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 20 | 76 contacts → | ||||
Partial evidence “Vicente LLP is the premier cannabis and psychedelics law firm.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 21 | 73 contacts → | ||||
Indirect evidence “Founded in 1987, CJBS is one of the leading accounting and consulting firms in the Chicago area and a trusted community partner.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 22 | 72 contacts → | ||||
Partial evidence “THE PARENT COMPANY brings together global icon and entrepreneur Shawn “JAY-Z” Carter, entertainment powerhouse ROC NATION, California’s most trusted cannabis brand and leading…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 23 | 69 contacts → | ||||
Strong evidence “Petalfast is the first-of-its-kind route-through-market platform for the cannabis industry.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 24 | 58 contacts → | ||||
Strong evidence “Final Bell empowers cannabis businesses to scale smarter through proprietary systems, advanced manufacturing solutions, and deep industry expertise.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 25 | 57 contacts → | ||||
Strong evidence “Our Mission is to propel the cannabis industry forward through reliable technology solutions that promote transparency and accountability, and that empower governments…” 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 industry audit services. 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 industry audit services.
- Partial evidence
- Its own public description names part of cannabis industry audit services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name cannabis industry audit services. 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 1,079 cannabis industry audit services based in the United States
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Cannabis industry audit services based in the United States at a glance
As of Sep 27, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,079 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 cannabis industry audit services, 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 the United States whose own description of what they do matches “cannabis industry audit services”. 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 industry audit services), 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 industry audit services, and records with no verified work email. Companies headquartered outside United States 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, 3,640 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 industry audit services by metro
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 industry audit services, 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 industry audit services are there based in the United States?
RevenueBase identified 1,079 cannabis industry audit services headquartered in the United States 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?
Weedmaps, headquartered in Irvine, tops this list with the largest team on record.
Which city has the most cannabis industry audit services?
Denver leads with 73 headquartered companies, followed by Los Angeles (57) and Las Vegas (36).
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 3,640 verified decision-maker contacts tracked across these 1,079 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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Cannabis industry audit services by geography
- Cannabis industry audit services based in Denver, United States
- Cannabis industry audit services based in Las Vegas, United States
- Cannabis industry audit services based in Los Angeles, United States
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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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