The partnership will see sporting events delivered to SES corporate customers such as TV stations and video distribution companies.
Under the new agreement, SES will aggregate content and deliver it to SoftBank via its global infrastructure of multi-orbit satellite fleets and fibre networks.
SES says it will use more than 300 downlink antennas located worldwide, including those in the new Stockley Park facility in London.
Norioki Sekiguchi, VP of the global business division at SoftBank Corp said: “Whether viewed on mobile devices or broadcast TV, tennis, football, golf, and other live sports are some of our most popular content that we see a growing demand for.
“With its diverse global infrastructure and access to a variety of sports content, SES is in a unique position to help us deliver a wide range of sports content in very high quality to our corporate customers in Japan.”
Elsewhere in the telecoms/sports landscape, Ooredoo Group has been confirmed as the title sponsor of Qatar's first-ever Formula 1 race.
The Formula 1 Ooredoo Qatar Grand Prix will be held from 19-21 November 2021 at Losail International Circuit in Doha.
The announcement was made at a major press conference at the Losail International Circuit.
Aziz Aluthman Fakhroo, Managing Director of Ooredoo Group, said: “We are delighted that Qatar will be the host of such an important vent on the global sporting calendar.
"As Title Sponsor, Ooredoo is honoured to have been given the opportunity to support the QMMF in bringing Qatar its first-ever F1 race.
"We have a long history of supporting major sporting events, in line with our corporate social responsibility strategy, and we are tremendously proud this history will now include the Formula 1 Ooredoo Qatar Grand Prix."
The race will be the inaugural event of an 11-race hosting deal between the Qatar Motor and Motorcycling Federation and Formula 1, but will not take place in 2022 when Qatar is set to host the FIFA World Cup.