In November 2016, Acorn was awarded the Mechanical and Electrical maintenance contract for Shire Pharmaceuticals, based in Basingstoke, Hampshire.

Shire UK is an indirect wholly owned subsidiary of Shire plc, a global specialty biopharmaceutical company that works closely with specialist physicians, nurses, pharmacists and other healthcare professionals to develop and market medicines that improve quality of life for patients, their families and carers.

At their main office in Basingstoke, Acorn provide two onsite engineers who provide all mechanical and electrical maintenance during core hours. The engineers manage all sub-contractors and required documentation. They also rotate call-outs on a bi-weekly system.