[1] In 1926, fellow lawyer Alois Ritter joined his office and the two worked together, in which the firm derives its name.

Together with Emil Beck (no relation), they wrote the Liechtenstein Personal and Company law, which came into force in 1926.

[3][4] By 1930, almost half of Liechtenstein's domiciliary companies were founded by Ritter & Beck.

[5][6] In 1958 his son Karlheinz Ritter joined the firm, and took it over from his father upon his death on 31 January 1966.

[7][8] Since his death in 2008 Cornelia Ritter, Alexander Fitz and Marzell Beck took over the firm, and are the current heads.