SIC Code Lookup

Search all 725 UK SIC 2007 codes by keyword or code number.

What Are SIC Codes?

SIC (Standard Industrial Classification) codes are 5-digit numbers used to classify business activities in the UK. Every company registered at Companies House must declare at least one SIC code. The UK uses the SIC 2007 system, based on the EU's NACE Rev. 2 classification.

How Many SIC Codes Can a Company Have?

A company can register up to 4 SIC codes at Companies House. You should include codes for all significant business activities. You can update your codes when filing your confirmation statement.

SIC Code Sections

The 21 sections group all economic activity from agriculture (A) through to international organisations (U). Within each section, codes get progressively more specific: 2-digit divisions, 3-digit groups, 4-digit classes, and UK-specific 5-digit codes.

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Frequently Asked Questions

What is a SIC code?

A SIC (Standard Industrial Classification) code is a 5-digit number that describes what a company does. Every company registered at Companies House must declare at least one SIC code to indicate its nature of business. The UK uses the SIC 2007 system, which is based on the EU's NACE Rev. 2 classification.

How many SIC codes can a company have?

A company can register up to four SIC codes at Companies House. You should include codes for all of your significant business activities rather than just one. You can update your SIC codes when you file your confirmation statement.

How do I find the right SIC code for my business?

Search by keyword (for example "software" or "consultancy") or by code number to find the closest match to your activity. Pick the code that most specifically describes what you actually do. If more than one activity applies, you can register several codes.

Can I change my company's SIC code later?

Yes. You can update your SIC codes at any time, and the usual point to do this is when you file your annual confirmation statement. There is normally no separate fee for changing your SIC codes as part of that filing.

Is this SIC code lookup free?

Yes, this tool is completely free to use. It lets you search and browse all UK SIC 2007 codes by keyword or number with no sign-up required.