CELSA Steel UK is the largest steel recycling company in the United Kingdom. From its facilities in Cardiff, CELSA Steel UK produces and delivers around 1.2 million tonnes of finished product each year, mainly to the UK and Irish markets.CELSA Steel UK directly employs over 750 members of staff and several hundred sub-contractors in South Wales. Plus, it is dedicated to sustainability — making significant progress towards its vision of making steel truly circular. By 2030 it intends to have reduced Co2 equivalent emissions by 50% and by 2050 it aims to be net positive.