Coresignal vs TheirStack
TheirStack enables sales and marketing teams to identify potential customers by monitoring technology adoption and hiring activity. Coresignal provides fresh public web data and a reliable data infrastructure designed to support AI agents, enterprise solutions, and large-scale business operations.
Compare these two providers to see which one fits your use case best.
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|---|---|---|
| Job postings records | 451.8M+ | 203M+ |
| Active job postings | 18.8M+ | Unspecified |
| Data fields per record | 80+ | 60+ |
| Companies tracked | 75M+ | 12M+ |
| Main sources | Job boards, ATS and company websites | Job boards, ATS and career pages |
| Aggregated multi-source data | ||
| AI-enriched data | ||
| Historical data |
Data features
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|---|---|---|
| Deduplication | ||
| Entity resolution | Unspecified | |
| Semantic search | Unspecified | |
| Natural language search | No | |
| Elasticsearch | No |
The comparison provided herein is based on public data available as of Jun 5, 2026. All users should verify the current status of products, services, or offerings before relying on any comparative information.
Data access
![]() | ||
|---|---|---|
| Jobs data API | ||
| Jobs dataset | ||
| Solutions for AI use cases | Agentic Search API, and MCP | MCP |
| Self-service dashboard | ||
| Free trial | ||
| Starting price | $49/month | $59/month |
Looking for TheirStack alternative?
Let's arrange a time for a quick call and discuss your use case.

Coresignal's data solutions

Dataset
Build innovative solutions using comprehensive company data or leverage it for in-depth analysis and unique business insights. Request a data sample or explore on your own using the self-service platform.
Database API
Search and enrich in real time with direct access to a large-scale database. After trying APIs with free credits, select from multiple subscription plans suitable for businesses of any size.
How to select a reliable data provider?
Coverage and freshness
Data record count represent the technical capabilities of the data vendor. However, data freshness is just as important. Providing real-time data requires and experienced team that can develop the necessary infrastructure and processes.
Communication
A reliable data provider will give you all the relevant information about data quality, fill rates, data structure, and features mentioned above before and after you purchase. At Coresignal, clients are supported by dedicated account managers and get prompt technical support.

Resources for testing
It's essential to test and see if the data you’re getting from the provider meets your business needs and expectations. We encourage you to share what information is needed to properly evaluate our datasets or APIs.



