Import-export agencies; commercial information agencies; advertising agencies; cost price analysis; rental of advertising space; auditing; employment agencies; computerized file management; accounting; demonstration of goods; transcription; opinion polling; marketing studies; business information; business investigations; marketing research; personnel recruitment; business management and organization consultancy; professional business consultancy; business management of performing artists; updating of advertising material; organization of exhibitions for commercial or advertising purposes; shop window dressing; business appraisals; payroll preparation; data search in computer files for others; business management assistance; commercial or industrial management assistance; economic forecasting; auctioneering; sales promotion for others; publication of publicity texts; radio advertising; distribution of samples; direct mail advertising; on-line advertising on a computer network; advertising by mail order; television advertising; advertising; modelling for advertising or sales promotion; procurement services for others (purchasing goods and services for other businesses)