William David Willis

KCA (UK) provides drug, alcohol, & mental health services. It offers adult substance misuse services, young persons' services, mental health services, family intervention program, and training and workforce development. The company was founded by Mark Rake in 1975 and is headquartered in Rochester, the United Kingdom.

Addaction operates a charity which specializes in drug and alcohol treatment. It offers holistic support to adults, teenagers, young adults and older people who have a problem with drink or drugs. The firm provides psychological therapy services for those with mild to moderate mental health issues. The company was founded by Mollie Craven in 1967 and is headquartered in London, the United Kingdom.