The partnership will allow 888 to offer games from Scientific Games’ in-house studios and third-party partners.
Dylan Slaney, SVP Casino at SG Digital, said: "888 is a huge player in the Spanish online gaming market and we’re thrilled to offer our content to its players.
"It will increase our presence in the market and give players a top-notch online gaming experience backed by the reliability and scalability of our Open Gaming platform."
The supplier has also finalised a new five-year technology agreement with lottery partner Lotto Baden-Württemberg in Stuttgart, Germany.
Lotto Baden-Württemberg is the country’s third-largest state-owned lottery, with over 3,000 licensed retailers.
Scientific Games will provide the lottery with software support and maintenance.
Pat McHugh, Group Chief Executive, Lottery for Scientific Games, said: "We thank Lotto Baden-Württemberg for its continued trust in our systems technology and leadership with our new Symphony gaming system."
Through a partnership with Betsson, the supplier has also launched a series of syndicated jackpot products for the online casino market.
The new products allow players to join others in collectively winning a percentage of a larger jackpot.