The owner Antonín Petrof was awarded an imperial and royal warrant of appointment to the court of Austria-Hungary.

[4] In 1924 the company was exporting its pianos to Europe, Japan, China, Australia and South America.

At the World Exhibition 1934 in Brussels, the Petrof instruments won the gold medal.

[7][1] Petrof is known for several innovations, such as ways to adjust the mechanics and particularly pressure point through magnetic systems.

Petrof pianos have been used by many famous musicians, including among others: Ray Charles, Paul McCartney, Arturo Benedetti Michelangeli, Sviatoslav Richter, Count Basie, Richard Clayderman, Ennio Morricone, Renato Carosone and Mark Levinson.