The three-year deal will see On Line’s branding appear on the Tigers’ playing shirts until 2022.
Based in Immingham, On Line provide integrated engineering solutions throughout the Humber region and the UK, employing more than 600 people.
Joe Clutterbrook, Head of Commercial at Hull City, said: “We’re really proud to be working with On Line Group, who are a great company to work with and a big success story for the Humber region.
“The deal follows on from a really encouraging year of sponsorship sales at the club. We’d like to think we are engaging with local businesses and beyond and welcome On Line Group on board as a major partner of Hull City.”
Steve Laird, Finance Director of On Line, added: “These are exciting times for On Line Group. With a new headquarters on the horizon, the group are looking forward to developing our relationship with Hull City over the current season and beyond.”
For more information about On Line Group, please visit www.oldesigngroup.co.uk.