Investigates has worker co‐operatives undertake their marketing activities and the ways in which they differ from conventional businesses. States that marketing activities of the traditional wholesale or retail co‐operative movement are not of concern here. Notes that there has been a marked increase in the number of worker co‐operatives since the 1970s. Suggests that they will only survive it they arm to meet the needs of their customer groups better than their competitors rather than giving precedence to their social objectives.