The contract is worth almost £10 million and will see Elior, which operates in the stadia and venue market as Azure, provide all the match and non-match day catering at the club as well as hotel services at the Upton Park ground.
Dawn Gallimore, director of sales and stadia at Elior, says: “West Ham football club is a fantastic contract and is our second club in the premiership.
“We feel especially proud to have won this new contract based on the service we offer and recommendations from existing clients.
“Our aim is to deliver pleasure and joy to consumers and our offer at West Ham is set to give fans a great customer experience.”
West Ham joins QPR as Elior’s second Premiership club; the contractor also caters at the award-winning AMEX Stadium in Brighton.