Joel Arber will become senior planner, having previously working as an account director at Delineo and Tequila.
He will be joined by new copywrighter Stuart Caine, Rohan Lepps as senior accounts manager and Matt Dalton as account handler.
Dig For Fire said Arber has worked extensively in financial services marketing development on campaigns for RBS, M&S Money and Morgan Stanley, and will now be responsible for campaign planning for Budget Insurance and Travis Perkins.
Caine joins from CMS Advertising in Leeds, and will now be working on accounts for Co-operative Insurance, Magna and Little Chef.
Dalton has more than three years' experience from Poulters in Leeds, where he worked on the accounts for Britvic, William Hill and Mercedes-Benz.
Finally, Lepps joins from WWAV Rapp Collins, where he oversaw campaigns for VisitScotland and Procter & Gamble, and will now work on accounts for Holiday Inn, Budget Insurance and Littlewoods.
Charles Glover, managing director of Dig For Fire, said: "[Our] ongoing success means that we have had the opportunity to expand all areas of the agency within recent months."
Arber added: "The planning department here is second to none and growing rapidly, so the move here was an obvious choice for me."
Dig For Fire, which is based in Sheffield, lists HSBC, Tesco and Toyota among its clients.
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