Our Standards
The Williams Tarr Group philosophy and core values are service, integrity, good value and high quality. This philosophy has dictated its high standards for nearly 100 years and is reflected in the number of awards and accreditations achieved by the company.
Williams Tarr Group is committed to running its three divisions with this philosophy and to promote good relationships with its customers, its employees, its supply chain, the communities where it operates, and other stakeholders.
Environment
Williams Tarr Group is a professional and environmentally conscious
organisation and has a clear objective to employ sustainable construction materials and technologies and minimise any impact its activities may have on the environment. Our Environmental Management System has achieved ISO 14001 accreditation.
Health and Safety
Williams Tarr Group is committed to a high standard of health and safety within the company and sets out stringent Codes of Practice, best guidance and work methods to help prevent accidents and ill health. Our Occupational Health & Safety Management System has gained OHSAS 18001 certification.
Quality
We have a quality management system that operates a systematic control of activities to ensure that the needs and expectations of customers are met. The system monitors our performance, and identifies improvements to ensure that our service levels are continuously improved. Our Quality MAnagement System has achieved ISO 9001 accreditation.

