CA Duquemin is a Chartered Building Company and one of Guernsey's oldest family-owned construction businesses and can trace its history back to 1924. We specialise in historic and high-class refurbishment building works, modern new build projects and minor works. With more than 60 full-time craftsmen, tried and tested sub-contractors and a fully equipped joinery workshop, we have a proven track record of high-quality results. 
 
At CA Duquemin, we are a modern business with traditional values. Our vast experience means early engagement on projects allows us to advise on buildability and economic viability. We believe that high quality is never an accident. With premium products and cutting-edge design, our experience and reliability allow us to execute your vision and produce quality results.
We aim to elevate our staff so that our inbuilt quality carries on into the future. Our completed projects are a testament to the skills and dedication of our team

C.A. Duquemin

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