About Caimason Building Services Ltd.
Caimason Building Services Ltd is a residential building contractor based in Ystradgynlais, covering South Wales with a focus on high-end construction work. The company, whose directors bring a combined 35 years of construction experience between them, takes on extensions, full property renovations, and bespoke new builds. Extensions range from single-storey kitchen-diners through to two-storey wraparound projects, while renovation work covers complete overhauls from initial strip-out through to final snagging, with all trades managed under one team. New build projects are handled from the ground up. The business lists itself as a Which? Trusted Trader and advertises full insurance and JCT contract experience. Directors Jon Griffiths and Keelan Marney, whose backgrounds include bricklaying, roofing, and site management, are said to oversee every project personally from first consultation to handover. Caimason also works alongside architects and design teams, offering early contractor involvement, pricing direct from drawings, and variation management throughout the build programme. Projects on record include completed work in Abergavenny, Neath, and Swansea. The company has been registered at Companies House since 2024.
Trade
Services listed on their own website
Read from caimason.co.uk on 18 September 2026. These are services Caimason Building Services Ltd. states it offers. besttrades.wales has not tested each one — ask before you book.
About this business
- Established
- 2024
Photos of their work
Opening hours
What we checked
Sourced from public records. We do not verify accreditation body membership — ask to see the registration and check it on the issuing body's own register.
Common questions about Caimason Building Services Ltd.
Does Caimason Building Services Ltd. work in Ystradgynlais?
Yes. Caimason Building Services Ltd. is a builder based in Ystradgynlais. You can also compare other builders in Ystradgynlais.
Is Caimason Building Services Ltd. available outside normal hours?
Caimason Building Services Ltd. publishes opening hours for 6 days of the week — the full week is listed below.
Is Caimason Building Services Ltd. a registered company?
Caimason Building Services Ltd. is registered at Companies House under number 16047497, currently recorded as active. You can check the entry yourself on the public register.
What do customers say about Caimason Building Services Ltd.?
Caimason Building Services Ltd. holds an average of 4.9 out of 5 from 15 Google reviews.
How do I get a quote from Caimason Building Services Ltd.?
Call Caimason Building Services Ltd. on 01639 350157, or send the job through the callback form on this page and we pass it straight to them. Either way it is free and there is no obligation.
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Caimason Building Services Ltd. on the web
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