Company Chat

AI-assisted search of the UK Companies House database

Get instant insights about UK companies, directors and market trends through natural language enquiries. Perfect for business research, due diligence and market analysis.

Try asking about:

What You Can Do

Market Research

• Monitor new companies in your sector
• Analyse market trends
• Track competitor activities

Due Diligence

• Verify company details
• Research director histories
• Review financial records

Business Intelligence

• Discover industry patterns
• Spot business opportunities
• Monitor regional growth

Why Not Just Ask an LLM?

Whilst ChatGPT, Claude or Llama might seem like easy options for company research, they often provide outdated or incorrect information.

General LLMs

Trained on outdated data
Can hallucinate company details
No direct access to official data

CompanyChat

Direct SQL queries to Companies House data
Real-time, accurate data
AI only translates questions to database queries

CompanyChat uses AI solely to transform your natural language questions into precise SQL queries, which are then executed against the official Companies House database. This means you get accurate, up-to-date information every time, not AI-generated guesses.

About Companies House

Companies House is the United Kingdom's official registrar of companies, an executive agency under the Department for Business and Trade.

With over 5 million registered companies and more than 500,000 new incorporations annually, it serves as the cornerstone of corporate transparency in the UK.

Available Company Information

Company incorporation documents
Annual financial statements
Director appointments

Registered office addresses
Persons with significant control
Company mortgages

Through our AI-powered interface, you can effortlessly navigate this vast repository of information, transforming complex queries into actionable business intelligence. Whether you're conducting due diligence, researching market trends or monitoring competitor activities, CompanyChat simplifies your access to the UK's corporate landscape.

Official Data Sources

Access comprehensive UK company data directly from Companies House through these official data products:

Free Company Data Product

Monthly snapshot containing basic company data of all live companies on the register. Available as CSV files, updated within 5 working days of the previous month end.

• Complete company register snapshot
• Available as single or split files
• Updated monthly

Access Basic Company Data →

PSC Snapshot

Daily updated snapshot containing the full list of People with Significant Control (PSC) provided to Companies House. Available in JSON format.

• Complete PSC register
• Daily updates before 10am GMT
• JSON format data files

Access PSC Data →

Accounts Data Product

Monthly archives of company accounts filed electronically, available in both inline XBRL and XBRL formats. Covers approximately 75% of all annual accounts.

• Electronic company accounts
• Monthly updates
• XBRL/iXBRL formats

Access Accounts Data →