Bull Atos Technologies

Salle des machines
Salle des machines
Sequana Island
Sequana Island

Bull is the Atos brand for its technology products and software, which are today distributed in over 50 countries worldwide. With a rich heritage of over 80 years of technological innovation, 2000 patents and a 700 strong R&D team supported by the Atos Scientific Community, it offers products and value-added software to assist clients in their digital transformation, specifically in the areas of Big Data and Cybersecurity.


Bull is the European leader in HPC and its products include sequana and bullx, the energy-efficient supercomputers; bullion, one of the most powerful x86 servers in the world developed to meet the challenges of Big Data; Evidian, the software security solutions for identity and access management; Trustway, the hardware security module and Hoox, the ultra-secure smartphone. Bull is part of Atos.

As Europe’s only computer manufacturer through its Bull brand, Atos operates in the ultra-high processing power market, to liberate its customers’ ambitions. With its Bull Extreme Computing solutions – focused around its bullx™ and now sequana supercomputers – Atos delivers all the benefits of a leader in HPC technologies to everyone from research centers to the design offices of major multi-nationals, or to innovative SMEs.

Over the years, Bull supercomputers have gained a strong presence in the list of the world’s top supercomputers.

With more HPC specialists than any other player in Europe, Atos is recognized for the technological excellence of its Bull systems, its HPC applications expertise and its ability to manage large-scale projects. Atos’ Center for Excellence in Parallel Programming supports customers to re-engineer their applications for the exascale.

Across the world, numerous institutions (SURFsara in the Netherlands, GENCI in France, LNCC in Brazil, CSC in Finland, DKRZ in Germany, the Universities of Dresden, Düsseldorf, Grenoble, Reims Champagne Ardenne and many others) and companies (Météo-France, Dassault-Aviation, Cenaero) have turned to Bull to implement powerful, robust systems that are easy to manage and use, and are designed for round-the-clock operation. Every day, thanks to their Bull systems, their researchers and engineers are pushing back the boundaries of the possible.

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