CEGO’s current owners will continue to carry out day-to-day management of the firm from its Aalborg headquarters.
Danske Spil said the acquisition forms part of its strategy to further strengthen its position in the Danish online gaming sector.
Danske Spil said in a statement: “With the acquisition of shares in CEGO, it will allow Danske Spil to consolidate and strengthen its market position in the increasingly popular Danish casino market.
“CEGO gives Danske Spil the opportunity to have access to unique and powerful game development capabilities in a market with high demands innovation and development pace.”