 He was appointed musical-director-in-chief at Richard D'Oyly Carte's Royal English Opera House for the runs of Sullivan's "Ivanhoe" and Messager's "La Basoche" in 1891–92.In the 1890s Cellier began conducting D'Oyly Carte Opera Company productions outside London.In 1890 he took charge of the first provincial performances of "The Gondoliers", and in 1894 he conducted a touring company presenting "Princess Ida" and "Utopia, Limited".