 During the period when he was prizefighting Perrins worked for Boulton and Watt, manufacturers of steam engines, based at their Soho Foundry, Birmingham, but also travelled around the country and at times acted as an informant on people who were thought to have breached his employer's patents. In the later years of his life he also ran a public house in Manchester and undertook engineering work on his own account. He was appointed to lead the Manchester fire brigade in 1799, and died a little over 12 months later in the performance of his duties.
