Amber ISIS Renewable Energy (AIR) is a developer and financial advisor specialising in renewable energy projects for commercial and institutional clients. AIR is a joint venture between Amber Infrastructure and ISIS Renewables. Amber Infrastructure Amber Infrastructure group (Amber) is a leading international infrastructure specialist, providing asset management and investment advisory services in respect of over ?4 billion of assets in the UK, Europe, Australia and North America. Amber provides investment advisory services to FTSE listed International Public Partnerships, Limited as well as private investment funds, specialising in urban regeneration and energy efficiency. Amber is headquartered in London with offices in Munich, Sydney, Melbourne and San Francisco and employs over 75 people, making it one of the largest international infrastructure specialists. ISIS Renewables ISIS Renewables is a specialist renewable energy developer. The principals of the business launched the first nationwide funded solar offering in the UK in 2010 and have developed and acquired over ?30m of solar projects in the UK.