Jardim's career includes music composition, production, arrangements, and studio work.
He produced 'Everything Could Be So Perfect', the debut album by Anne Pigalle for Horn's ZTT label.
He has worked with Baraflokkurinn (on Gas (Gas album)), Madness (on Keep Moving and Mad Not Mad), Asia (on Astra and Arena and Aura), Claire Martin (Take My Heart), Yes, Sir Paul McCartney, The Rolling Stones,[2] They Might Be Giants, Mike Batt, David Bowie, Cher, Grace Jones, Björk,[3] Mezzoforte, Bee Gees,[4] Duran Duran, Robbie Williams, Elvis Costello,[5] Gareth Gates, Tom Jones, Alejandro Sanz, Nina Hagen, João Pedro Pais, Eros Ramazzoti, Diana Ross, Rod Stewart, Johnny Hallyday, Mariah Carey, Céline Dion, Sir Elton John, George Michael, Cyndi Lauper, Gloria Estefan, Katie Melua, Modern Romance, Jeff Beck, Fish, Tina Turner, Roddy Frame, Billy Idol, Coldplay, David Gilmour,[6] Tears For Fears, The The, Steve Hogarth and Marillion.
He was then a judge on Uma Canção Para Ti (A song for you), a talent show for young people (between 8 and 15 years old) for two seasons.
He was a judge on A Tua Cara Não Me é Estranha, a show where eight Portuguese celebrities in the field of acting and music mime a randomly selected musician every week.