Through a joint venture with PepsiCo's Quaker Foods division, Müller entered the market in the United States in August 2012.

Private labels and basic dairy products such as butter, UHT milk, lactose powder and whey protein complete the portfolio.

[10] In Germany, beside the group headquarters in Fischach which also houses the Molkerei Alois Müller production plant, the group also operates significant production sites in Freising (Molkerei Weihenstephan), Leppersdorf (Sachsenmilch and Käserei Loose), Market Drayton (Müller Dairy (U.K.), and Prague (Mlékárna Pragolaktos).

[citation needed] The company has sales offices in Italy, the Netherlands, Romania, Slovakia and Hong Kong.

In September 2024, The Independent released footage from dairy farms supplying Müller showing animal abuse and neglect.

[14] In December 2004, Müller released a new set of adverts using the song by Nina Simone, "Ain't Got No, I Got Life".

This was backed by a new advertising campaign involving people being turned into various popular cartoon characters and also featured an appearance by KITT, which first aired on 8 October on ITV1, during that night's edition of The X Factor.