The striker has signed a deal which will keep him with the Hammers until June 2017 with an option to extend the deal.
Ford told the club’s official website: “I’m delighted to have signed for West Ham. It’s a huge club and a big step up.
“West Ham is a massive club. It is a very exciting time with the new stadium, everyone is talking about West Ham, it is definitely something to look forward to and hopefully I’ll be involved playing their one day.
“It’s been a dream of mine to be a professional footballer for as long as I can remember so hopefully I can keep on improving, keep working hard and we’ll see where that gets me.”
FORD: #WHUFC are delighted to announce the signing of highly-rated striker Sam Ford: https://t.co/1ufeNnL7Kd pic.twitter.com/GLPMfb33Wm
— West Ham United FC (@whufc_official) March 1, 2016