Firm Insight is a UK company search and intelligence platform that helps users explore information on more than 5.6 million companies, officers and filings. Its data is sourced from Companies House and is provided under the Open Government Licence v3.0. Users can search companies and officers, apply status filters, and review company records, including filing histories and documents. The platform also offers AI-powered company analysis to support research and due diligence.

Firm Insight provides search and reporting tools, as well as company monitoring alerts through its Pro plan. Developers can access an API, with documentation and an MCP Server listed among the available resources. The service also includes advanced search options and information about recent company changes. Designed for people seeking UK business information, Firm Insight brings company records and related research features together in one platform. It is part of the Insights Network and provides links to privacy, terms of service, contact and feedback information.