Coresignal
Raw company, employee and job records at scale, by API or bulk file. A fit for data teams building products and models.
Coresignal is B2B data infrastructure. Its homepage lists 72M+ company records, 915M+ employee records and 486M+ job postings, sold through Company, Employee and Jobs APIs, an Agentic Search API that turns plain-English questions into queries, an MCP server and datasets delivered to a warehouse.
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The Companies API