Zoom's business model is built on a subscription-based SaaS framework that monetizes communication and collaboration software through tiered plans for individual users, teams, and enterprise organizations. The model has several distinctive characteristics — a freemium entry point that drives viral adoption, a land-and-expand dynamic within enterprise accounts, and a growing multi-product platform that increases revenue per customer as organizations adopt additional Zoom products beyond the core Meetings product. The subscription revenue model charges customers monthly or annual fees based on the number of hosts or users licensed, the product tier selected, and the specific products included in the deployment. The free tier of Zoom Meetings — which allows unlimited one-on-one meetings and group meetings of up to 40 minutes — serves as the primary customer acquisition channel, converting free users into paid subscribers when they encounter the 40-minute limit in group meetings or when enterprises standardize on Zoom and require organizational licensing. This freemium conversion funnel has historically been highly efficient: the product's quality creates genuine purchase intent, and the organizational adoption that often begins with a single team or department spreading across an enterprise. Enterprise contracts — defined by Zoom as customers paying more than $100,000 annually — have been the most important growth segment and the primary driver of revenue quality. These large enterprise customers negotiate multi-year agreements, typically receive volume discounts relative to list pricing, and represent the accounts most likely to expand their Zoom usage across additional products. Zoom had approximately 3,900 customers contributing more than $100,000 annually as of fiscal year 2024, and these accounts collectively generate a disproportionate share of total revenue. The enterprise sales motion requires a traditional SaaS enterprise sales organization — account executives, solution engineers, customer success managers — that Zoom has built and continues to invest in. The Zoom Phone product — a cloud-based telephony service that replaces traditional PBX systems with software-defined calling integrated into the Zoom platform — represents the most significant expansion of the business model beyond video meetings. Zoom Phone competes directly with RingCentral, Microsoft Teams Phone, and other cloud telephony providers for the substantial market of enterprises still using legacy on-premise phone systems. The economics of Zoom Phone are attractive: it generates per-user monthly subscription revenue from a distinct budget — the communications technology budget — than Zoom Meetings, and it deepens the platform relationship by making Zoom the unified communications system of record for voice, video, and messaging. Zoom Contact Center extends the platform further into the customer service technology market, competing with established CCaaS (Contact Center as a Service) providers including Genesys, Five9, and NICE inContact. The contact center market is large and undergoing its own cloud migration from legacy on-premise systems, creating a meaningful expansion opportunity if Zoom can establish credible enterprise-grade capabilities that justify displacement of established CCaaS vendors. The AI Companion product — introduced as an AI assistant integrated across the Zoom platform — represents the most recent business model evolution. Zoom AI Companion provides meeting summaries, action item extraction, chat message drafting, and other AI-enhanced productivity features that reduce the administrative burden of communication-heavy work. Unlike some AI features in the market that command significant premium pricing, Zoom has included AI Companion at no additional cost for paid subscribers — a strategic decision designed to drive adoption and deepen the platform's value proposition rather than extract incremental revenue from existing customers. The longer-term revenue play is that AI capabilities will reduce churn by making the platform more indispensable and will support premium pricing in future product tiers as AI features become more sophisticated.