Turn the free Companies House Basic Company Data snapshot into structured Excel databases organised by SIC code and industry.
The Companies House SIC Database Compiler – Windows EXE + Python/BAT lets you process either the single large Companies House ZIP or the official multipart ZIP downloads and create Excel databases for one SIC, several industries, or all available SIC classifications.
Includes both a standalone Windows EXE edition and a Python/BAT edition, together with documentation, snapshot checking, old-file detection and restart/resume support.
Platform: Windows 10/11 64-bit
Output: Microsoft Excel (.xlsx)
Version: 1.1
Companies House data: Not included – download the latest snapshot free from Companies House.

