A new post, “Keeping your standard industrial classification (SIC) code accurate” has just been published on the Companies House blog.

Your standard industrial classification (SIC) code must accurately reflect your business activity. Find out why it matters and how to check and update your company’s SIC code.

Read the new post: https://companieshouse.blog.gov.uk/2026/05/28/keeping-your-standard-industrial-classification-sic-code-accurate/