[1] His nephew Hans Simrock later ran the company, and in 1907 acquired another music publisher, Bartholf Senff of Leipzig.
[2][3] In 1911 the company merged with Albert Ahn's publishing house to form Ahn & Simrock, headquartered in Bonn and Berlin, but later separated from it.
In 1929 it was sold to the Leipzig publisher Anton J. Benjamin,[2][4][5] which was re-established in 1951 in Hamburg[6] and acquired by Boosey & Hawkes in 2002.
[5] Many of the company's archives and plates were lost in the Second World War and had to be reconstructed by reproducing old editions.
[8] The company was the first publisher of the music of a veritable "Who's Who" of classical music composers, including Wolfgang Amadeus Mozart (what must have been a hand-written copy of The Magic Flute),[9] Joseph Haydn, Ludwig van Beethoven (13 first editions), Robert Schumann (including his Third Symphony), Johannes Brahms,[2][10] Felix Mendelssohn (such as his oratorios Elias and Paulus),[11] Max Bruch (including his Violin Concerto No.