TheirStack combines tech stack and job signal data to find companies with specific problems; the result: faster research, higher response rate, and more deals closed.
AI Sales Intelligence & Account Research, Intent Data, Buyer Signals & Visitor Identification, Le...
TheirStack is a powerful tool for B2B sales that helps companies find customers based on their technology stack and current job openings. By analyzing over 162 million job postings worldwide, it delivers precise buying and hiring intent. It's the ideal choice for teams looking to move away from inaccurate mass outreach and toward data-driven, signal-based selling. The core problem: Inefficiency in prospecting. Many sales and recruiting teams suffer from slow and inaccurate processes. Without current signals, they often contact companies that don't have an immediate need. This leads to low response rates and wasted resources. The solution: Signal-based targeting. TheirStack solves this problem by linking two critical data points: What software does a company already use, and who are they currently hiring? For example, if a company is looking for an expert in a specific CRM software, this is a clear signal of its willingness to invest in that area. Core Features of TheirStack: Technological Search: Users can specifically search for companies that use particular technologies – from programming languages and databases to SaaS tools. With over 32,000 technologies tracked, TheirStack offers tremendous depth. Hiring Signal Analysis: The tool indexes millions of job postings from 195 countries. Filters for job title, keywords, salary, and hiring volume allow users to find precisely those companies that are currently growing or addressing pain points in their infrastructure. Automated Alerts: Instead of searching manually, users can set up notifications. As soon as a company advertises a suitable position or implements a specific technology, the sales team is immediately informed. Practical Use Cases 2026: SaaS Sales: Identifying companies using competitor products or currently investing in the tech stack. Recruiting Agencies: Quickly finding companies with high hiring needs in specific niches. GTM Teams: Precise segmentation of target markets based on real growth data instead of static industry lists. Results and Metrics: According to user reports, using TheirStack leads to significant improvements: 35% time savings in the Research.
TheirStack positions itself as a cost-effective alternative to industry giants like BuiltWith or HG Insights. While competitors often demand very expensive annual contracts, TheirStack offers a low-barrier entry point. However, the exact prices are only visible after registration or a demo call, which can be a disadvantage for those seeking transparency. Comparison with competitors: BuiltWith: Focus on web technologies, often more expensive. Clay: Strong in data enrichment, often uses TheirStack as a data source. Apollo.io: Broader CRM/engagement tool, but less specialized in deep hiring signals.
