The data that underpins the paper 'The Interplay between HQ Legitimation and Subsidiary Legitimacy Judgments in HQ relocation' is owned by first author, Professor Julia Balogun. I am not at liberty to share the data. The first author has signed a non-disclosure agreement with the participating case study organisation. The paper includes significant supporting data by way of tables of 'proof quotes' (Tables 1 to 4).