Plain-English company discovery
Describe the cohort and review ranked company evidence.
Advanced search guideGo beyond a company-name lookup
The official register is the source of truth for UK company records. IncorpSignal adds a research layer for questions that span many records: newly incorporated software companies in Bristol, London businesses with accounts due, directors linked to several active companies, or repeat founders starting another venture.
AI + place + date
New AI companies in London
Turn a commercial question into bounded sector, location and incorporation filters.
SIC + statusActive software companies in Bristol
Combine statutory SIC evidence with location and live company status.
Officer graphRepeat founders starting again
Inspect current and historic appointments instead of relying on a name match alone.
ComplianceCompanies with filing risk
Prioritise public overdue-account, confirmation-statement and strike-off evidence.
Choose the right Companies House research path
Directors, ownership and filings
Move from a company result into officers, PSCs, filings, charges and insolvency.
Due-diligence workflowAPI and AI-agent access
Connect applications through REST, MCP or opt-in x402 routes.
Developer documentationExplore current UK company signals
Frequently asked questions
What can I search with IncorpSignal?
Search UK companies by name, company number, five-digit SIC code, sector, location, incorporation date, status, director or officer, repeat-founder evidence and public filing risk.
Is IncorpSignal affiliated with Companies House?
No. IncorpSignal is an independent company-intelligence product. Companies House remains the authoritative public register and source links are retained for verification.
Can an AI agent search Companies House through IncorpSignal?
Yes. Developers can use the REST API, 26 typed MCP tools or explicit x402 pay-per-call routes described on the developer page.