Often using the body as inspiration he works with both traditional and novel materials and processes, he explores the human condition and themes of religion, sexuality and death.
After graduation he returned to London where he worked for 4 years for antiques importer, David Wainwright, eventually becoming a buyer for him in India and Pakistan.
In early 1999 he left the partnership to establish a forge in Hackney, London to fulfill a public art commission he had won (a series of abstract farm animal sculptures in steel for Egham town centre, in Surrey).
He was frequently employed by Special Effects UK and Asylum, working on films such as Black Hawk Down, Charlotte Gray and The Hitchhiker's Guide to the Galaxy.
[1] In 2008, McCartney, based at JAG Gallery, Brighton, auctioned off a sculpture of a death mask of his father's face as part of the Men Only exhibition which raised £500 for prostate cancer charity Everyman.
[2] The Great Wall of Vagina comprises 400 plaster casts of vulvas arranged in ten panels; the polyptych spans nine meters in length.
His collection "Skin Deep", first shown at The Hay Hill Gallery on London's Cork Street, focuses on notions of beauty and sexuality.