Nationwide Maintenance works to keep other businesses working. A contractor in building maintenance, the company provides a variety of services, including air conditioning and refrigeration, heating and ventilation, lighting and other electrical work, plumbing, ventilation cleaning, and water treatment. Nationwide Maintenance also installs control, fire-alarm, and sprinkler systems and generators. Clients include British Land, Lloyds Bank, Benetton Formula One, and Close Brothers. Nationwide Maintenance operates about a half dozen offices serving most of the UK.