Founded on 21 June 1920 at a conference in Jönköping, the union set up headquarters in Malmö, but moved to Stockholm in 1932.

[1] The members worked in the private sector, in companies that operated in areas including IT, telecom, construction, manufacturing and research and development.

It had funds worth several hundred million dollars, allowing the union to set aside substantial money for large ad campaigns with the object of recruiting new members.

About half the members did not belong to a local branch but could turn to a workplace representative acting as a point of contact and a channel for information.

The Swedish Union of Clerical and Technical Employees in Industry maintained independence from party politics.