Quality Assurance

John Sheehan (Oxford) Limited operate a comprehensive quality system which fosters a culture of continuous improvement.


Our focus on Quality Assurance starts with establishing the best possible understanding of customer requirements through to complete customer satisfaction with the finished scheme or project.


John Sheehan (Oxford) Limited strive to achieve the highest standard of environmental performance whilst focusing on our Quality Assurance principles. John Sheehan (Oxford) Limited acknowledge that its operations have a direct and indirect environmental impact and aim to minimise that impact and operate in an environmentally responsible manner. We are passionate about protecting the planets natural resources, and deliver this passion to our customers using the latest technology.


Whilst endeavouring to expand the business, at John Sheehan (Oxford) Limited we never forget our environmental responsibilities. Quality combined with an environmentally sustainable management system is a key principle. Although the standards established by national legislation will apply as a minimum, John Sheehan (Oxford) Limited will always strive to achieve best practice in the area’s in which we operate.


In order to operate a comprehensive quality system, we collaborate with key suppliers to promote environmentally responsible procurement of goods and services. This in turn enables development of longer term relationships with customers, by increasing levels of integration and quality service.
We manage our operations in ways that are environmentally sustainable and economically feasible, by making efficient and environmentally responsible use of energy and water and exploiting opportunities to maximise efficiency.


In order to operate a comprehensive quality system which fosters continuous improvement, we invest in continual development and training for all staff. This enables us to focus on core activities and make them better.


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Copyright © 2019 Sheehan Groundworks
Knightsbridge Farm, Yarnton, Oxford, OX5 1PH • Tel: 01865 379931 • Fax: 01865 841216