What is a SIC code?

Companies House requires your business activities to be categorised using a ‘SIC’ code. This stands for Standard Industrial Classification of economic activities.

A full list can be viewed by clicking here. Tip: press Ctrl+F to search for keywords that best describe your business activities.

List of common SIC codes

SIC code Business activities
61100 Wired telecommunication
61200 Wireless telecommunication
61900 Other telecommunication
62011 Ready made interactive leisure and entertainment software development
62012 Business and domestic software development
62020 Information technology consultancy
62030 Computer facilities management
62090 Other information technology service
69201 Accounting and auditing
70229 Management consultancy other than financial management
71121 Engineering design for industrial process and production
71122 Engineering related scientific and technical consulting
71129 Other engineering activities
71200 Technical testing and analysis
74100 Specialised design activities
74201 Portrait photography
74901 Environmental consulting
78300 Human resources provision and management of human resource functions
82990 Other business support service activities
84110 General public administration services
84220 Defence activities