As of March 2015 Nixus Consulting and Training Services, S.L., has joined OCA GROUP, the mother group of companies of EQO. Nixus, born in 2007, is an independent private consulting company with activities around the world in the fields of Energy and Climate.

NIXUS implements consulting and technical assistance projects for national and International Financing Institutions (IFIs) as well as private industry. NIXUS provides multidisciplinary consultancy in the areas of Renewable Energy, Energy techno/economic assessment, energy efficiency (buildings, industry, transport and end-use), Technology and innovation, Security of energy supply, Energy planning, Energy markets and regulation, Oil, gas, electricity, Capacity building and training.

With an extensive portfolio of projects in Europe, Latin America and the Caribbean, Africa and Asia-Pacific NIXUS has gained best reputation through the provision of highest consultancy services in the field of Renewable Energy with world class clients.

OCA Group is an European business services group dedicated to the testing, inspection, certification and training activities headquartered in Barcelona (Spain). With more than 700 employees and offices in Madrid (Spain), Casablanca (Morocco), Johannesburg (South Africa), Santiago (Chile), Cairo (Egypt) and New Delhi (India), together with a wide network of partners, OCA GROUP is able to offer services in more than 30 different countries around the world.