Empowerment, Education, Employment... welcome to Oakleaf Enterprise. Based in Guildford, Oakleaf Enterprise is one of the few charities in the UK that is dedicated to empowering people with mental health needs to gain qualifications, meaningful employment or voluntary work. The Guildford charity provides support and encouragement in order to help people restore their confidence and self-esteem and develop skills that will lead to a productive, fulfilling life.