[2] It was owned by Deutsche Telekom before being sold to WP/AP Telecom Holdings IV B.V., a joint venture between Warburg Pincus and Apax Partners.

On September 7, 2021, T-Mobile Netherlands was purchased by WP/AP Telecom Holdings IV B.V.; a joint venture between Warburg Pincus and Apax Partners.

The transaction stood at 5.1 billion euros gaining full control of the company from the former shareholders of Deutsche Telekom and Tele2.

After being put under pressure by several consumer interest groups and the Dutch media, as well as criticism from Dutch comedian Youp van 't Hek,[11] T-Mobile started a cash-back settlement for all consumers who had complained about failing communication services.

[14] T-Mobile Netherlands reached an agreement to acquire Vodafone Thuis in November 2016, taking over their 150,000 customers.