Operator 32Red has reported a total net gaming revenue (NGR) increase of 22% year-on-year to ÂŁ18.6m for the first half of 2015.
Casino NGR went up 21% to ÂŁ17m, while the number of active casino customers rose 22% to 62,214 and the number of new casino players ascended 12% to 26,407.
Mobile represented 42% of total casino gross gaming revenue for the period, up from 32%.
It was also announced that gross gaming revenue for the 20 days up to 20 July was up 35%.
32Red CEO Ed Ware said: "Our continued focus on customer service, combined with increased marketing expenditure and cross sell from supporting products has driven double digit organic revenue growth in the 32Red casino in the half year.â€ť
32Red announced last week that it has acquired remote online gaming business Roxy Palace for total consideration of ÂŁ8.4m.
Ware said: â€śWe recently announced the acquisition of the Roxy Palace business and I am delighted with initial trading and the integration progress. The combination of this earnings enhancing acquisition allied with our strong organic growth provides a strong platform for continued growth and we look forward to the future with confidence.â€ť
32Red will announce its interim results on Thursday 24 September.