He is a graduate of Jill Edwards' Comedy workshop and performed his first gig in November 2006. He has won several awards, including Leicester Mercury Comedian of the Year and Chortle Best Newcomer. Walsh has supported Stephen K. Amos on his 2009 and 2009/10 tours entitled Find the Funny and The Feelgood Factor respectively, as well as the 2010 Reading and Leeds Festival. He is the resident compere at Komedia's Comic Boom, Brighton every last Thursday of the month.