---
title: "CompanyStack API"
account: companystack
slug: companystack-api
---

# CompanyStack API

UK company data: filed accounts, KYB checks, new-company alerts, officers and ownership

- Operations: 156
- Versions: 1 (latest `8f3234237d2d`)
- Source: https://api.companystack.co.uk/openapi.json
- OpenAPI document: https://skmtc.dev/companystack/apis/companystack-api/revisions/8f3234237d2d?raw

## Operations

156 in total, by tag:

- Service (1)
- Auth (11)
- Companies (11)
- Intelligence (10)
- PSC (6)
- Analytics (5)
- Enterprise (2)
- Live (8)
- Watchlist (11)
- Officers (5)
- Filings (3)
- Postcodes (3)
- Search (2)
- KYB (3)
- Change Feed (2)
- Compliance (6)
- Financials (2)
- Prospects (1)
- Lists (30)
- Verdict (1)
- Signals (4)
- Sanctions (2)
- New Companies (7)
- Places (3)
- Website components (6)
- Report series (3)
- Shareholders (2)
- Automated analyst view (2)
- Documents (2)
- Samples (2)

Every operation, with a link to its markdown: https://skmtc.dev/companystack/apis/companystack-api/llms.txt