Knowles and Son, based in Oxford, is a £25m p.a. turnover construction company. The family business was established in 1797 and is well known for its commitment to quality and value for money. The company has Three divisions: Main Contracts in the Healthcare, Education, Historic Buildings and Commercial sectors, including design and build. Small Works, including painting and decorating. Planned and 24/7 Reactive Maintenance, including plumbing.