Schwarzenegger's parents helped him found his company Project360 when he was 15.[9] The philanthropic clothing line has a full menswear collection on the horizon as well as mid-five-figures net earnings from 2010, according to Details magazine.[10] Patrick is also signed with LA Models, which has plans to push him for Ralph Lauren and Armani ad campaigns.[11] He has stated that he hopes to raise awareness of his clothing company by taking on high profile modeling jobs.[10]

In 2011, he worked a summer internship at The Grove, an upscale outdoor mall in Los Angeles.[12] He posed shirtless for a highly visible Hudson Jeans billboard advertisement seen on Sunset Boulevard in Hollywood.[13] In October 2013, he played Romeo in the music video for "Right There" by Ariana Grande.