Blackbird PLC (LON:BIRD) said its cloud-based video editing software has been taken by Athletes Unlimited, a network of US sports leagues covering softball, volleyball and lacrosse.
It will be used for editing sports content to be streamed on websites, social media and across broadcast channels.
No financial details were given.
Blackbird chief executive, Ian McDonough, said: "It's fantastic to be rolling Blackbird out to another US sports client.
“Athletes Unlimited will use Blackbird, the world's most advanced cloud editing platform, on a wide variety of sports in broadcast and digital workflows both live and file-based.
“We are delighted to be a part of the monetisation and scaling of their sports leagues."
The company's current client roster includes Tata Communications, EVS, BT, IMG, Univision, Sky News Arabia, A+E Networks, NHL, Eleven Sports, Riot Games, the US Department of State and 69 local US news stations with the TownNews network.