# Companies-house-uk

> Analysis by Optimly for Optimly AI Visibility, in the Optimly AI Brand Index. Last analyzed August 23, 2026.

> Companies House is the UK's registrar of companies, responsible for incorporating and dissolving companies, examining and storing company information, and making that information available to the public. This specific page provides a condensed list of Standard Industrial Classification (SIC) codes for businesses to use when filing with Companies House.

- Business Profile: https://optimly.ai/brand/companies-house-uk
- Publisher: Optimly (https://optimly.ai)
- Dataset: Optimly AI Brand Index (https://optimly.ai/brand)
- Official website: https://resources.companieshouse.gov.uk/
- Logo: https://logo.clearbit.com/resources.companieshouse.gov.uk
- Slug: companies-house-uk
- Category: Government Company Registration & Information Services
- Last Analyzed: August 23, 2026