Gusto Group is based in Collingham, Nottinghamshire and is an innovative group of companies with a focus on Architectural des ... ign, Construction, manufacturing, residential development and environmentally sustainable technologies. The Gusto Group comprises Gusto Construction Ltd - Principal contractor SGA LLP - Architecture, engineering and planning services Freerain Ltd - Rainwater harvesting and storm water attenuation systems Rototek - Technical rotation moulding company GEMMS - Gusto Energy Monitoring and Management Systems read more