Similarweb collects and analyzes billions of digital data signals across websites and mobile apps worldwide, and sells the resulting dataset to businesses that need visibility into the digital landscape beyond their own properties. The core value proposition is external intelligence: companies can see what happens on their own platforms, but lack visibility into how competitors and the broader market are performing. Similarweb fills that gap. Customers use Similarweb's data to analyze competitor traffic, keyword performance, digital consumer journeys, and brand visibility across AI chatbots. Customers span retail, media, financial services, technology, and institutional investors, ranging from SMBs to large enterprises. Similarweb delivers data through three channels: SaaS products (web intelligence, app intelligence, sales intelligence, retail intelligence, and stock intelligence), DaaS via API feeds into customers' own data infrastructure, and a newer AI/model enablement channel supplying training and enrichment data to companies building LLMs and AI agents. Revenue is primarily annual subscriptions, priced per seat, by data access level, or by consumption. Similarweb uses a land-and-expand model, where customers start at modest spend levels and grow over time through added products, users, and geographies. A separate LLM data licensing business involves upfront one-time bulk data deals, with the intent to convert customers to recurring contracts. Similarweb's growth strategy focuses on expanding its proprietary data asset, deepening enterprise relationships through multi-product adoption, and scaling AI-specific products and distribution partnerships.