SSIC Section N – Professional, scientific and technical activities

Companies in this section sell expert professional, scientific or technical services that need a high level of training and skill.

Professional services include law, accounting and tax, management consultancy, and the work of head offices. Technical services include architecture, surveying, engineering design and the testing and certification of materials and products.

The section also covers scientific research, advertising and market research, design work such as interior, graphic and fashion design, photography, translation, sustainability consultancy, agents for performers and veterinary services. Holding companies and general office administration services are classified elsewhere.

Commonly registered businesses

• Management consultants for strategy, organisation and operations (70201)
• Interior designers (74191)
• Advertising agencies, media buyers and promotion firms (73100)
• Other engineering design, such as fire, safety, marine and aerospace (71129)
• Accounting, audit and tax firms (69201)
• Medical, clinical and veterinary R&D (72106)