Glasgow Apple store workers have become the first in the UK to secure official union recognition.
GMB union organiser John Slaven called it a “compelling new chapter in the trade-union story” being written around the world.
Earlier this year, workers in the Maryland branch formed the first Apple retail union in the US.
Glasgow’s Buchanan Street Apple store staff previously said union recognition would be used to bid for higher wages.
An Apple official told BBC News: “We have long been committed to providing an excellent experience for our customers and teams.