Carlos Arroyo Architects is a Madrid based architecture and planning office of international scope, with built work and projects in Spain, France, Belgium, Argentina, Colombia and Rwanda. Their multidisciplinary team conducts projects of a varied nature, with a strong emphasis on innovation and sustainable development; innovation on all scales, from building technology to landscape management, developing new types of public building, or researching into new forms of housing. Sustainability is an essential driving force of their work, which has been described by critics as "sustainable exuberance".