Companies Using Zoom

I have spent a decade building crawlers that fingerprint what the web runs, and Zoom used to be one of the technologies I distrusted our own numbers on. Meetings software leaves almost no trace on a public website: the product lives in calendars, desktop clients, and conference rooms. Most "companies using Zoom" lists are scraped press releases wearing a database costume. What changed our confidence is where the signal comes from.

Our crawl of 29.9M active domains detects Zoom two ways. The main signal is a Zoom domain-verification record published in a company's DNS zone. Zoom's Associated Domains feature, which creates that record, is only available on Business, Enterprise, and Education plans, and only an admin who controls both the Zoom account and the DNS zone can complete it. The secondary signal is the Zoom Contact Center widget loading on a company's website. Neither can be triggered by an employee joining a meeting or a marketer embedding a link. As of our August 22, 2026 crawl, 44,288 domains carry one of those signals.

"Most technology trackers count websites. A Zoom verification record counts an employer: someone with domain admin rights decided that logins at that company route through a managed account." - Mehmet Suleyman, CEO & Co-founder at TechnologyChecker.io

That census quality shows up everywhere in the data. 85.7% of detected domains resolve to a LinkedIn company profile (37,741 of 44,022), the highest enrichment rate of any technology this size in our index; web-embed technologies typically land between 45% and 66% because so many detections are hobby sites and parked pages. It also reshapes the growth story. Everyone knows the pandemic spike: we recorded 55 verified domains in January 2020 and 6,502 by that July. The part the "Zoom is dying" narrative missed is what came after: 16,909 in early 2022, 24,990 in 2024, and 44,288 today. Verified business deployments grew through every post-pandemic year on record. Stock charts measure expectations; DNS zones measure installed base.

The rows I keep coming back to are the competitors. Microsoft ships Teams, and Cisco owns Webex, yet both publish live Zoom verification records on their primary corporate domains. I re-ran the DNS lookups by hand on August 22, 2026 before writing this, because a claim like that should not rest on a crawler alone. Both records are real. Large organizations are messier than their product marketing, and the meetings tool people actually schedule with is chosen team by team.

The stack data extends that point across the whole base. 37.44% of Zoom companies also run Microsoft 365, against 26.77% on Google Workspace. Teams arrives in most of those Microsoft contracts at no extra line item, which means more than a third of Zoom's verified base pays for Zoom while owning its main rival. The EU accepted Microsoft's commitments to unbundle Teams from Microsoft 365 in September 2025, and if that changes buying behavior anywhere, this overlap number is where it will show first. I would also watch the education cluster: Higher Education, K-12, and education administration together account for 3,235 institutions, about 9% of classified companies, which fits Zoom's own claim that 49 of the top 50 US universities use it.

Company age tells the same story from another angle. 14.63% of Zoom's classified companies were founded before 1960, and the oldest, BNY Mellon, dates to 1784. Startups adopt whatever the founders liked; a 200-year-old bank adopts a meetings platform through IT governance, security review, and a signed order form. When that kind of organization publishes a verification record, it is telling you the deployment survived procurement. At the other end, 2020s-founded companies are just 9.99% of the base, which surprised me until I remembered the mechanism: young companies default to whatever ships inside their productivity suite and only formalize a dedicated meetings vendor once an IT function exists to do the formalizing.

Churn is where the DNS signal earns its keep. Since we began tracking state changes on March 16, 2026, only 298 domains have dropped Zoom, about 0.7% of the base. Compare the same-window churn on marketing tags, which routinely runs ten times higher. Among the leavers, Atlassian tools were still present on 42 domains and DocuSign on 16, which reads as broad stack consolidation rather than a meetings-specific defection; the direct exchange with Webex was exactly even, nine domains each way. Meanwhile the CRM overlap (Salesforce at 11.16%, HubSpot at 19.72%) marks these as instrumented, sales-led organizations; our Salesforce market share report shows how concentrated that tier is. Tools like Slack and Notion appear beside Zoom far more often than they replace it.

"A DNS record is the quietest signal on the web and the most durable. Companies clean up marketing tags every quarter; they touch the DNS zone only when something real changes." - Mehmet Suleyman, CEO & Co-founder at TechnologyChecker.io

Sales Signals

• Microsoft 365 overlap accounts (16,482 companies) chose Zoom against a bundled free rival. They are the strongest expansion targets for Zoom Phone, Contact Center, and adjacent seats, and the hardest accounts for Teams-led displacement pitches.
• The 51-200 bucket (10,049 companies) is large enough to have an IT admin and small enough to skip procurement committees. Fastest cycles for collaboration add-ons, scheduling tools, and meeting intelligence.
• 3,235 education institutions buy on academic-year cycles. Outreach lands best in spring, before summer renewal windows close.
• 637 organizations above 10,000 employees hold verified, IT-managed deployments. Sell compliance, recording governance, and integration tooling there, not seats.
• Contact Center detections mark companies funding customer experience beyond meetings. Workforce management and QA vendors should treat that page signal as an active budget line.
• The 298 domains that dropped Zoom since March are live RFP moments. Check what each still runs before a rival pitch: 42 of them remain on Atlassian, which hints at where the consolidation conversation is happening.

Method, briefly: everything above comes from our monthly crawl of 29.9M active domains, cross-referenced with LinkedIn company data, with the current numbers pulled on August 22, 2026. Detection is deliberately conservative here. Self-serve Pro accounts never verify a domain, so our count is a floor on Zoom's true business footprint, and Zoom itself reported 192,600 enterprise customers in 2024. What our number adds is precision about who: every one of the 44,288 is a named domain you can act on.