Find your ideal customers by targeting technology usage, hiring strategy, buying intents and hundreds of company attributes.
Trusted by the world’s most innovative sales and marketing teams
TheirStack offers the smartest filters to help discover the right companies for your product.
Discover or filter by +5.3k technologies used by companies.
Define keywords linked with your key use cases and filter by them in 34M of job postings.
Discover or filter by companies that are hiring for specific positions or have a high employee count growth.
Discover or filter on general company information
“TheirStack let us optimize our lead qualification process to increase sales, enriching our leads with tech stack data that we couldn’t find anywhere else.”
“Theirstack's data revolutionized our targeting, replacing ambiguity with laser-guided precision. With detailed, real-time insights, our engagement and conversion rates grew by two-digit numbers. It's a game-changer!”
“TheirStack allowed us to find companies with the pains our product solves, identify who the ICPs were and write highly personalized emails to reach them.”
Sign up, refine your search criteria based on your growth strategy, and connect with new clients.
Create an account and access TheirStack's database of 4M+ companies.
Apply our unique set of buying signals filters to refine your search and discover companies ready to buy your product or services.
Build personalized messages and ad campaigns targeting the right people at the right time, using our data and our integrations.
As reported by our customers
Discover how Qonto collaborates with TheirStack to identify highly prospective companies that are actively recruiting to address challenges like expense reporting and bank reconciliation, which Qonto's solutions can adeptly resolve.
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