TheirStack

Summary

TheirStack is a technology lookup and hiring signals platform that helps sales and marketing teams find ready-to-buy prospects by analyzing company tech stacks, job postings, and buying intent.

What is TheirStack?

TheirStack tracks over 37,000 technologies and 171 million jobs from 195 countries, enabling you to discover companies by their tech stack (programming languages, databases, SaaS, CRM, ERP), hiring trends, and keywords in job descriptions. The platform offers real-time alerts, technographic signals, and buying intent analysis to help teams optimize lead qualification and outreach strategies.

Core Capabilities

• Tech stack lookup: Search companies using specific technologies (37,000+ tracked)
• Hiring signals: Identify expanding companies via job openings, titles, salary ranges, and hiring volume
• Buying intent signals: Search job descriptions for keywords revealing specific pain points
• Real-time alerts: Set up notifications for job titles, technologies, locations, industries, and more
• Company filters: Filter by industry, size, location, revenue, and funding rounds
• Data APIs & datasets: Integrate tech and hiring data into existing workflows

Pros

• Tracks 37,000+ technologies with broad coverage
• Analyzes 171M jobs for global hiring insights
• Identifies companies with specific needs via buying intent keywords
• Real-time alerts help you reach opportunities first
• Customers report 3x response rates and 60% more meetings booked

Cons

• Pricing not publicly available; requires sales contact
• Tech detection accuracy may vary by company
• Job data relies on public postings and may have delays
• Steeper learning curve with multiple filter criteria
• Cost may be high for small teams or limited budgets

Decision Guidance

Use TheirStack when: Your sales or marketing team needs to target B2B prospects by tech stack or hiring trends; you want to improve outreach personalization using buying signals (pain point keywords in job descriptions); you need real-time alerts to reach expanding companies first.

Consider alternatives when: You only need basic contact enrichment without tech or hiring insights; your budget is limited and you don't require deep technographic data; your target market is mainly SMBs that post fewer public job openings.