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OS Holding

OS Holding is a construction company and builder based in Dublin, specialising in high-end residential and commercial projects. Established in 2006, the company provides a comprehensive range of services including new builds, renovations, extensions, floor insulation, attic conversions, bathrooms, and kitchens. Their turnkey design and construction solution guides clients from planning through to project completion, ensuring a seamless process. Known for their expertise and professional, trustworthy service, OS Holding has become recognised as one of Dublin's top design-build contractors. The team consists of skilled tradesmen and managers dedicated to quality control, safety, and customer satisfaction. OS Holding offers free, no-obligation estimates and is fully insured to protect clients and staff. They primarily serve Dublin and surrounding areas and handle projects of all sizes, from small renovations to complete house extensions. Their service commitment includes price matching, dedicated project management, and warranties on workmanship and materials. OS Holding collaborates with clients, architects, and interior designers to achieve high-quality outcomes that exceed expectations and are delivered on time.

Services and coverage

OS Holding is listed underbuilder and works in Dublin, Lucan.

Before you hire

  • Ask for proof of insurance and any trade registration the work requires.
  • Get the scope, price and payment schedule in writing before work starts.
  • For building work, check whether the job needs planning permission or certification.

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