The company claims to be the oldest music publishing company in Canada, and has supported the work of composers including Boris Berlin, Sir Ernest MacMillan, and Healey Willan.
In addition to repertoire for piano, guitar, violin, flute and voice, the Frederick Harris Music catalogue also includes publications for ear training, sight reading, technique, theory, harmony, and music history.
In 1904, he set up his own business in London and in 1910, established a Canadian office in Toronto.
Harris' association with the Royal Conservatory of Music resulted in an increased emphasis on publications for teaching and learning.
The music examination system in Canada is supported by teaching materials published by the company.