MET Group is an integrated European energy company, headquartered in Switzerland, with activities and assets in natural gas, LNG, power, and renewables. MET serves customers in 24 countries through subsidiaries and is present in 33 national energy markets as well as 51 international trading hubs. The company's 1,400+ employees represent close to 60 nationalities. MET has extensive experience operating renewable and flexible assets, thus providing the widest possible support to energy transition. In 2025, MET Group’s consolidated sales revenue amounted to EUR 28.5 billion, with a total transacted volume of natural gas amounting to 241 BCM and total traded electricity of 160 TWh.

Lematin.ch delivers Swiss and international news in real time covering politics, the economy, sports, culture, and society with a commitment to high standards and a focus on what matters to the local audience. As a leading digital media outlet in French-speaking Switzerland, lematin.ch reaches a wide audience every day through text, video, and social media content. Its new "Opinions" section gives a platform to a diverse range of voices including experts, public figures, and readers to analyze current events and foster civic debate with a tone that is both independent and engaged.

Budo-Sport AG is a Swiss company specializing in high-quality judo and martial arts equipment. Our dedicated team puts passion, commitment, and personal attention into serving our customers every day. For many years, we have maintained particularly close ties with the judo community. We support numerous clubs and dojos across Switzerland and provide equipment for national teams as well as elite athletes. To us, judogis, belts, and training equipment are not simply products, but valuable companions throughout every judoka’s journey. As a partner of federations and events, we actively contribute to the sustainable development and growth of judo in Switzerland.

Founded in 1946, Leuba Group is a 100% family-owned company from French-speaking Switzerland. Today, it operates across the cantons of Vaud, Neuchâtel, and Jura through 11 dealerships representing 8 automotive brands. With more than 80 years of experience, the Group builds on strong family values, recognized expertise, and a team of nearly 400 employees to deliver high-quality service. Committed to sustainability and certified to ISO 9001 and ISO 14001 standards, Leuba Group is proud to support the Ecole Mont-Olivet Judo Grand Slam as an Official Partner.

White Star Watch embodies more than 130 years of Swiss watchmaking excellence. Founded in 1895 in La Chaux-de-Fonds, the company combines heritage, precision and innovation to create timepieces in which every detail becomes a signature. Balancing tradition with contemporary boldness, White Star views time as an emotion, expressed through exceptional craftsmanship and a refined sense of aesthetics. As the Official Timekeeper of the École Mont-Olivet Lausanne Judo Grand Slam, the brand brings its expertise to the service of performance and celebrates, alongside the athletes, the values of excellence, discipline and the constant pursuit of self-improvement.

Harvest Agro is an agricultural company developing large-scale modern farming projects in Kazakhstan. Through smart irrigation, digital technologies and AI-driven solutions, the company transforms previously underutilized land into productive agricultural assets. Harvest Agro is implementing a nationwide programme covering up to 300,000 hectares, with a focus on efficient water management, sustainable production and long-term food security. By combining technology, responsible resource use and operational expertise, the company aims to contribute to the development of a more productive and sustainable agricultural sector in Kazakhstan.

CBH Bank is a family-owned, international and diversified banking group founded in 1975. Headquartered in Geneva, the Group now employs nearly 360 professionals across 10 locations worldwide. As of 31 December 2025, client assets amounted to CHF 18.4 billion and the Tier 1 capital ratio stood at 35.8%, making CBH one of the best-capitalised banks in Switzerland compared with its peers. Since 2025, CBH has been one of the principal partners of the International Judo Federation (IJF) and, from this year onwards, a partner of the Lausanne Judo Grand Slam, one of the flagship events on the World Judo Tour.

The Swiss Judo & Ju-Jitsu Federation (SJF) is the national governing body for judo in Switzerland. It promotes and develops the sport at every level, from grassroots participation to elite competition, while fostering the core values of judo: respect, commitment, excellence, and community spirit

Vaud Promotion is the organisation responsible for showcasing the many strengths of the Canton of Vaud and enhancing its profile both in Switzerland and internationally. Through the VAUD regional brand, it brings together economic, tourism, academic and institutional stakeholders to promote the region’s excellence, innovation, sustainability and attractiveness.

Lausanne, the capital of the Canton of Vaud and Switzerland’s fourth-largest city, is renowned for its dynamism and openness across the economic, cultural, sporting and academic spheres. Lausanne Tourism acts as the city’s ambassador both nationally and internationally, inviting Swiss and international visitors alike to discover Lausanne’s many strengths and unique charm, while welcoming them with passion, expertise and professionalism.

The Fonds du Sport Vaudois Foundation manages and redistributes the share of the annual profits from the Loterie Romande allocated to sport within the Canton of Vaud. It works to support the development of sport throughout the canton, providing funding for emerging talent, elite sport, sporting events, and sports infrastructure.