Check Company is an online information service providing free, open access to profiles of companies and company directors and officers in the United Kingdom. Designed to help users explore publicly available business information, the site offers search tools for companies, officers and shareholders, alongside keyword search. Company profiles and director records are presented with details drawn from public information, while published company accounts and reports are also available through the service.

Check Company says it adds company accounts and reports daily and publishes them as soon as they become publicly available. Its listings include recently added officers, with information such as names, occupations, locations and numbers of appointments, helping users review connections and roles associated with registered businesses. The website also provides access to company and director profiles in one place, making it a practical resource for people researching UK organisations and their leadership. Privacy, terms of use and contact information are provided on the site.