Renewed Partnership Between Altenar and Gran Madrid | Casino Online Enhances Sportsbook

Altenar and Gran Madrid | Casino Online Renew Sportsbook Partnership

The partnership extension builds on a successful collaboration between the two companies. Gran Madrid | Casino Online will continue to benefit from Altenar’s flexible and feature-rich sportsbook solution, tailored to the needs of Spanish players. The partnership also supports the operator’s omni-channel strategy, complementing its established retail sportsbook presence across its casino venues.

Since the beginning of the partnership, Gran Madrid | Casino Online has continued to strengthen its sportsbook offering by combining Altenar’s advanced technology with its own well-established position in the Spanish gaming market.

The operator benefits from Altenar’s comprehensive market coverage, advanced trading capabilities and localisation features designed specifically for regulated jurisdictions. This continued momentum has translated into strong commercial results, with sportsbook turnover increasing by 21% year-on-year in H1 2026 compared to H1 2025.

Statements by Executives

Antonis Karakousis, Director of Operations at Altenar, commented:

"We are delighted to extend our partnership with Gran Madrid | Casino Online. Over the course of our collaboration, we have built a strong relationship based on trust, performance and a shared commitment to delivering an outstanding sportsbook experience for Spanish players.

Spain remains one of Europe’s most mature regulated markets, and we are proud to continue supporting Gran Madrid I Casino Online with a sportsbook solution that combines flexibility, reliability and local expertise. We look forward to building on the success we have achieved together and supporting their future growth across both online and retail channels."

José Félix Herreros, Country Manager at Gran Madrid, said:

"Renewing our partnership with Altenar reflects the success of our collaboration to date. Their technology, product innovation and understanding of regulated markets have consistently helped us strengthen our sportsbook offering and meet the expectations of our customers.

We value Altenar’s ongoing support and commitment to our business, and we look forward to continuing to work together as we further develop our betting experience in the Spanish market."

The renewal further strengthens Altenar’s presence in Southern Europe and underlines its commitment to supporting leading regulated operators with scalable sportsbook solutions that deliver long-term value and sustainable growth.