MCP Companies Tools

12 tools for UK company analysis — profiles, financial health, trends, PSC ownership, PSC changes, filing status, sector analytics, and ownership networks.

Each tool call costs 10 credits. All tools are read-only and idempotent.

Tool	Description	Parameters
`lookup_company`	Look up a UK company by its Companies House company number. Returns company name, status, type, date of creation, registered office address, and SIC codes.	company_number string, required
`search_companies`	Search for UK companies by name. Returns matching companies ranked by name similarity. Optionally filter by company status (e.g. 'active', 'dissolved').	query string, required status string limit integer
`company_health_score`	Get a financial health assessment for a UK company. Calculates key ratios (current ratio, debt-to-equity, profit margin, ROA, cash ratio) from the latest filing and rates each as green/amber/red.	company_number string, required
`company_financial_trends`	Get year-over-year financial trends for a UK company. Returns time series of revenue, profit, assets, and employees across all filed accounts, plus percentage changes between consecutive periods.	company_number string, required
`sector_analytics`	Get sector-level analytics for a UK SIC code. Returns company counts, active/inactive breakdown, incorporation trends (this year vs last year), and financial benchmarks if available.	sic_code string, required
`company_psc`	Get Persons with Significant Control (PSC) for a UK company. Returns individuals, corporate entities, and legal persons who have significant control over the company, including their natures of control and notification dates.	company_number string, required current_only boolean
`company_psc_changes`	Get a timeline of PSC (Persons with Significant Control) changes for a UK company — appointments and cessations in chronological order.	company_number string, required
`company_filing_status`	Check a UK company's filing compliance status. Returns whether accounts are overdue, due soon, or up to date, along with next due dates and latest filing details.	company_number string, required
`company_network`	Map the ownership network of a UK company. Shows who controls the company (PSCs) and what other companies those same people control. Useful for identifying connected businesses and beneficial ownership chains.	company_number string, required
`geographic_companies`	Get company statistics for a UK postcode area. Returns company counts, active/inactive breakdown, top industries (SIC codes), and incorporation trends for the given postcode prefix (e.g. 'EC2', 'M1', 'EH1').	postcode_prefix string, required
`recent_filings`	Get recently filed company accounts from Companies House. Returns the most recent filings in reverse chronological order. Can filter by filing type, SIC code, or date.	filing_type string sic_code string since string page integer per_page integer
`company_timeline`	Get a chronological timeline of key events for a UK company. Includes incorporation, account filings, PSC changes, and cessation events.	company_number string, required

Related Resources

URI	Description
`govdata://companies/sic-codes`	UK Standard Industrial Classification (SIC) codes directory
`govdata://companies/statistics`	Platform-wide UK company statistics

Related Prompts

Prompt	Description	Arguments
`company-report`	Structured company overview from Companies House data.	company_number required
`company-due-diligence`	Comprehensive due diligence: profile, financials, PSC network, and filing compliance.	company_number required
`company-comparison`	Side-by-side comparison of two or more companies on financials, health, and compliance.	company_numbers required
`company-risk-monitor`	Monitor filing compliance, PSC changes, and financial trajectory.	company_number required
`company-ownership-map`	Map significant-control relationships around a company.	company_number required

View REST API docs for Companies →

Data Coverage

Source	Companies House
Date range	Active companies register (14 statuses, including active, liquidation, and in-administration); dissolved companies are not yet ingested
Records	~5.9M companies
Updated	Monthly full snapshot, daily accounts filings
Limitations	Filings span 2009–present with no year cutoff. Structured financial figures are currently extracted from a minority of filings (~3% of companies have revenue data); coverage is expanding as extraction improves.