Lead generation

Discover customers, not prospects

Find your ideal customers by targeting technology usage, hiring strategy, buying intents and hundreds of company attributes.

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Trusted by the world’s most innovative sales and marketing teams

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Why people use us?

Game-changing targeting criterias

TheirStack offers the smartest filters to help discover the right companies for your product.

Technology usage

Discover or filter by +5.3k technologies used by companies.

  • Programming languages
  • Frontend and Backend technologies
  • Databases
  • Tools, saas platforms and services
  • CRM, CMS, ERP...
Pains and intents

Define keywords linked with your key use cases and filter by them in 34M of job postings.

  • Tasks your software automates: invoice management, expenses report, payroll...
  • Tasks your software helps with: A/B testing, outbound, paid adquisition...
Talent insights

Discover or filter by companies that are hiring for specific positions or have a high employee count growth.

  • Open positions and job titles
  • Employee count growth
  • Hiring manager role
  • Salary range
  • Perks and benefits: remote, gym membership, health insurance...
Company details

Discover or filter on general company information.

  • Industry and speciality
  • Description
  • Company size
  • Location
  • Revenue
  • Funding rounds

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.

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Jasper Flour
Growth at Stacker

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!

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Denis Shershnev
CEO and Founder at 6nomads

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.

Andrés Lozano profile photo
Andrés Lozano
Head of Sales at Graphext

How does it work?

Reach out to the right customers in 3 steps

Sign up, refine your search criteria based on your growth strategy, and connect with new clients.


Create an account

Create an account and access TheirStack's database of 4M+ companies.


Find high-intent companies

Apply our unique set of buying signals filters to refine your search and discover companies ready to buy your product or services.


Grow faster

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

decrease in research time
increase in response rate
more meetings booked
increase in win rates