
Companies House (UK government)
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Connect Companies House (UK government) to PostHog to sync your data into the PostHog data warehouse for analysis and modeling.
Sync UK company registry data for the companies you care about, keyed by company number.
Get a free API key by registering an application on the Companies House developer hub, then create a live key for the Public Data API.
Every table is fetched per company number, so start with the companies you want to enrich rather than the whole register. Companies House allows 600 requests every five minutes.
Configuration
| Option | Description |
|---|---|
API keyType: password Required: True | |
Company numbersType: textarea Required: True | One company number per line, or separated by commas. Numbers shorter than eight digits are padded with leading zeros. |
Linking Companies House (UK government) to PostHog
- Go to the Data pipeline page in PostHog
- Click New source and select Companies House (UK government)
- Fill in the required configuration fields
- Click Next, select the tables you want to sync, and then press Import
Supported tables
| Table | Description | Sync method | Incremental field | Primary key |
|---|---|---|---|---|
Companies | Company profile for each company number you sync. | Full refresh | — | — |
Officers | Current and resigned officers appointed to each company. | Full refresh | — | — |
PersonsWithSignificantControl | People and entities with significant control over each company. | Full refresh | — | — |
PersonsWithSignificantControlStatements | Statements filed in place of a person with significant control. | Full refresh | — | — |
FilingHistory | Documents filed at Companies House for each company. | Full refresh | — | — |
Charges | Mortgages and charges registered against each company. | Full refresh | — | — |
Insolvency | Insolvency status and cases for each company. | Full refresh | — | — |
Registers | Which statutory registers each company keeps at Companies House. | Full refresh | — | — |
Exemptions | Exemptions from filing person with significant control information. | Full refresh | — | — |
UkEstablishments | UK establishments of each overseas company. | Full refresh | — | — |