Welcome to CWO Ltd - Specialist Stonemasons

For over four decades CWO has made conserving and repairing the nation’s building heritage a mission of excellence.

Founded in 1965, CWO is an award winning, independent South East and London stonemasons, well known as one of the leading stonemason restoration companies in the UK.

CWO offer high quality stonemasonry projects. We have an enviable reputation as architectural stonemasons for our design, production and installation of architectural stonework within the build environment. Our stonemasons are also experts in the conservation, restoration, cleaning and maintenance of historic buildings and monuments and also work as monumental stonemasons on bespoke projects.

Find out more about our specialist stonemasonry services

Royal Warrant, RoSPA and CHAS

CWO has the Royal Warrant for Stonemasonry and Restoration Contractors, and has an extremely high standard of Health & Safety. CWO was awarded the RoSPA Presidents Award in 2006 and 2007 for stonemasons who deliver outstanding performance in occupational Health & Safety over a period of 10 years. CWO has also been assessed as compliant with the Contractors Health and Safety Assessment Scheme (CHAS).

Management Buy Out

After 15 years as a subsidiary of the Osborne Group, CWO in October 2006 successfully concluded a Management Buy Out from Geoffrey Osborne Ltd.

Operational Area Offices

With an annual turnover exceeding £8 million and employing a total of 90 stonemasons and staff (working from Chichester, London, Dorset and Kent offices). CWO is committed to long-term relationships based on responsiveness, consultancy expertise, quality, service and value for money.

Find out more about CWO stonemasonry contractors