Problem: Lack of up-to-date, consistent B2B web data. Solution: Coresignal delivers ethically collected, multi-source, AI-ready company, employee, and job data. Result: better leads, faster insights.
AI Data Provider, AI Data Scraping, AI Data Enrichment
Unique Feature Rating & Critique Best suited for multi-source data (3 billion+ records) 4.8/5 - Excellent coverage, but high integration effort Investment research, HR tech & AI training
Coresignal has established itself as one of the leading providers of structured B2B web data. The software solves the problem of time-consuming data acquisition by consolidating billions of records from over 15 public sources. The result is an AI-powered data foundation for lead generation and market analysis. Conclusion: Indispensable for data-hungry companies that value compliance and depth.
Coresignal offers access to over 75 million company profiles. These contain more than 500 data points per entry, including historical data since 2016. This allows analysts to track the growth and changes of companies over the years.
With over 839 million employee records, this is one of the largest directories worldwide. Companies use this data for recruiting or to analyze employee turnover at competitors. The data is enriched and optimized for AI models.
The database contains 425 million job postings. The daily updates are particularly valuable, allowing sales teams to immediately recognize signals for budget increases or expansions.
A standout feature in 2026 is the Data Assistant. Users can search for specific datasets in natural language (e.g., "Show me all software companies in Berlin with over 50 employees"), which massively lowers the technical barrier. Practical Use Cases: Investment Research: Identifying fast-growing startups based on employee growth and job postings. HR Technology: Building talent pools and analyzing salary trends based on millions of data points. Sales Intelligence: Enriching CRM systems with up-to-date company data to increase the likelihood of closing deals. AI Training: Providing large, clean datasets for training Large Language Models (LLMs) in B2B sector.
Coresignal follows a multi-tiered pricing model that is accessible to both startups and corporations:
Compared to providers such as ZoomInfo or Clearbit, Coresignal scores particularly well due to the Raw data quality and the flexibility of the formats (JSONL, CSV, Parquet). While ZoomInfo is heavily focused on direct sales, Coresignal is geared more towards data-driven product teams and analysts. Advantages and Disadvantages Advantages Highest compliance standards (GDPR, CCPA, EWDCI member). Enormous data depth with historical reviews back to 2016. Flexible data access via API or cloud upload. AI search facilitates access for non-developers. Disadvantages Pricing for large volumes can be complex. High initial integration effort into existing systems. Focus is on public data; Private company details are naturally missing.
Coresignal will be one of the most reliable sources of B2B web data in 2026. The combination of ethical data collection and massive scalability makes it the first choice for companies that want to base their decisions on facts rather than assumptions. Despite the cost of premium packages, the ROI from better leads and deeper market insights justifies the investment.
CoreSignal Review 2026: CoreSignal is a powerhouse for B2B data. With over 3 billion data records, it offers a depth that few competitors can match. API integration is available starting at $49, making it attractive even for smaller projects. Users praise its scalability but criticize the necessary data cleansing on the client side.
