46 years as a Stonemason based in Porthmadog & serving North West Wales, having worked for Royal Household, Cadw, English Heritage, National Trust, National Parks, Country Estates and Ecclesiastical projects, as well as all our private clients.  GSA aim to provide you with the very best in our experience and skills to carry out your project to the highest standards and to create a project that will last a lifetime. 

• Period property maintainance and repairs

• Lime mortar Pointing

• Random and coursed stone walls

• Fixer masonry

• Banker masonry

• Stonecutting and Carving

• Vast experience in Limestone, Granite, Sandstone and Slate

• Dry stone walling

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Please contact me for further information and to discuss your needs.