SIC 2007 → 2026 converter
Need the old code and the new code?

Use the converter page to compare SIC 2007 codes with SIC 2026 codes and jump to the matching new classification page.

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What to include

Please include the page URL, the SIC code, and a short explanation of the issue or question. If you are reporting a data problem, include the official source you checked.

What we can review

We can review broken links, formatting issues, classification wording, migration references, and source links. We do not provide legal, tax, or Companies House filing advice.

Response process

Corrections are checked against ONS and other official sources before the generated pages are updated. Critical source errors are prioritised first.