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About our company

Dublin’s Best Construction Company

OS Holding Dublin: trusted construction company with extensive experience in house renovation, extensions, and conversions. Cost-effective solutions exceed industry standards, with privacy and safety as top priorities.

We provide top-quality renovation services
from our Dublin location

Specializing in new builds, renovations, extensions, basements, lofts, bathrooms, kitchens, and smart home systems. Our turnkey design and construction solution guides you through the planning process from start to finish, ensuring you achieve your dream of owning a beautiful home.

With a decade of experience in the industry, we’ve built a strong team of contractors who work with us to deliver exceptional results. Since 2006, we’ve consistently provided our valued clients professional, trustworthy, and knowledgeable service. Our reputation has grown over time, and we’re now recognized as one of Dublin’s top design-build contractors.

We showcase a vast selection of lighting, electrical, and bathroom and kitchen fixtures and fittings. We welcome project specifiers, architects, and interior designers to join us in meeting with clients for proposal and specification-related purposes.

Dedication – our strong quality

Our team upholds core values in every project. We welcome feedback over the phone or during a free site visit. With extensive experience in loft conversions and kitchen extensions, we prioritize your privacy and complete work with minimal disruption. Trust us to make your project stress-free and successful.

We price match

Have you found a lower price? We'll gladly match it.

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Stress-Free Build

A fully dedicated project manager will smooth the process.

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High-Quality Deliverables

Exceeding expectations and strive for the highest quality.

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Deliver On Time

Efficient, surprise-free planning and construction process.

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10 Years Of Combined Experience

We implement our knowledge backed on experience.

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Admired By Our Customers

Customers testimonials proove their full-trust in us.

Most often asked questions about home renovation, with answers

OS Holding’s home improvement and home refurbishment projects, including loft conversion and kitchen extension services, are completed with precision to ensure that the proposed design meets the demanding needs of our Dublin customers.
To achieve the best results, we are committed to utilising only the most advanced technology and high-quality materials.

The dedicated team at OS Holding always completes the job on time and minimises the unexpected costs associated with the construction process. We accurately evaluate the client’s exact requirements prior to the job, inspect the site appropriately, and prepare an all-inclusive, detailed quote that helps to reduce unanticipated expenses.

We also provide you with a flexible site evaluation and prompt customer service at all times. We make every effort to listen to your needs and recommend the most viable solution that meets the highest possible standards. The OS Holding team is always eager to hear your feedback on your project, whether over the phone or in person.

For completed projects, OS Holding offers its customers the convenience of a 1 year work guarantee. Furthermore, for clients based in Dublin and the surrounding areas, we provide adequate insurance coverage of up to EUR 5 million. We are constantly striving for excellence and exceeding our customers’ expectations.

Request a Quote

    For more information or to request
    a free quote call 01 524 1644

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