Acid Tango is a digital product design and development studio based in Madrid. They help funded startups, corporations and venture builders innovate and build digital products by working as their dedicated and reliable technological partner.
Cobalt Design is a globally focused product design and development group based in Melbourne, Australia. Operating in Asia, Europe and North America, they combine industrial design, mechanical engineering and associated services to develop products from 'idea' to production for organisations that aspire to world's best practice in product innovation
Mentalstack is a Leading Russian Agency, they build top-notch digital solutions from design to development. They are ambitious command of professionals. Their main areas are development of high-load web services and applications, integration with CRM systems such as Salesforce, DNN module development. They use latest products/technologies from Microsoft and agile/scrum development methodology.