The NHIC represents the most important body of companies and organisations that work in the home improvement sector and they earnestly believe in higher standards of materials and workmanship, backing this with codes of practice, guarantees and warranties.

BSI is a leading global business improvement organization. Our purpose, to make excellence a habit, is underpinned by our role as the national standards body and through our prestigious Royal Charter.

Bath College courses include an Introduction to Stone Masonry, and Stonemasonry Level 2 and 3 courses.

Advice on all aspects of geology of building stones in the UK including the location of currently active and long-disused building stone quarries, and advice on the location of potential quarry sites in areas where suitable stone exists. Stone identification; stone matching of replacement stones for restoration; up to date information and historical archive records available.

National development agency for contemporary crafts in the UK. Works with partners to widen awareness, support craft professionals, promote teaching, carry out research and grow the market.

The Royal Institution of Chartered Surveyors (RICS) is one of the most respected and high profile global standards and membership organisations for professionals involved in land, property, construction and environmental issues.

The Institute of Explosives Engineers promotes the occupational competency, education and professional standing of engineers, scientists and practitioners who work with explosives and provide consultative facilities for organisations and government departments within the explosives field.

The Construction Industry Resource and Information Association organises a programme of business improvement services and research activities for members and those engaged with the delivery and operation of the built environment.

The Historic Chapels Trust (HCT) was established in 1993 to take into ownership redundant chapels and other places of worship in England which are of outstanding architectural and historic interest. The object is to secure their preservation, repair and maintenance for public benefit, including contents, burial grounds and ancillary buildings.

The Natural Stone Institute is a trade association representing every aspect of the natural stone industry. The association offers a wide array of technical and training resources, professional development opportunities, regulatory advocacy, and networking events. Two prominent publications the Dimension Stone Design Manual and Building Stone Magazine raise awareness within the natural stone industry and in the design community for best practices and uses of natural stone.