[1] Raymonde began his career as bassist for London-based post-punk band Drowning Craze, who released three singles on Situation 2: "Storage Case" (1981), "Trance" (1981) and "Heat" (1982).

In 2011, he was asked to be the music supervisor for Jonathan Caouette's documentary Walk Away Renee, which was accepted for the Cannes Film Festival and released in May 2013.

In 2012, Bella Union celebrated its 15th year, and the label was asked to host and curate the Friday line-up at the End of the Road Festival that September.

In summer 2015, he started a new musical project with musician Richard Thomas (formerly of Dif Juz and the Jesus and Mary Chain), called Lost Horizons.

[4] In 2018, Simon and his wife, Abbey Raymonde, started the management side of Bella Union, working with Brighton-based Penelope Isles.

In March 2022, Bella Union celebrated its 25th anniversary in Austin at SXSW festival with around 15 bands performing across two stages at the legendary MOHAWK venue, then in May 2022 Simon and his fellow Cocteau Twins Elizabeth and Robin received an Ivors Academy's Visionary Award.