YJLi is accrediated to BS EN ISO 14001:2004 for the management and provision of design, construction and civil engineering services for the transport infrastructure sector.
ISO 14001 is the internationally recognised standard for Environmental Management Systems (EMS) which provides a framework for managing environmental responsibilities.
Set up by the International Organisation for Standardisation (ISO), ISOs are supported by over 120 national standard bodies, including the British Standards Insitute (BSI).