About Hennessy Offsite

Hennessy Offsite is a part of the Hennessy Timber Group, a well-established company with 25 years of experience in the construction industry. The business is led by Aidan Hennessy and Enda Hehir with a combined construction experience of over 50 years. The Hennessy Timber Group has been involved in traditional building and construction projects for over 25 years and has been active in modular and element building since 2017.

Hennessy Timber Group has worked with some of the biggest names in the construction industry, including BAM Construction, O Flynn Group, PJ Hegartys, O Callaghan Properties, and Cork County Council. The company has received several awards, including the National Enterprise Awards, in recognition of its excellence and innovation in the construction industry.

Hennessy Timber Group employs over 20 full-time employees across manufacturing, project management, office administration, and marketing. With its team of experienced professionals and state-of-the-art facilities, Hennessy Offsite is committed to providing its clients with high-quality modular and element building solutions that are tailored to their specific requirements.


At Hennessy Offsite we understand that sustainability is crucial for the future of our planet.

We are committed to creating sustainable solutions for the construction industry and reducing our environmental impact. We believe that modular and element building is the way of the future for sustainable construction.

By using these building methods, we can significantly reduce waste, energy consumption, and carbon emissions. Our building materials are sourced from sustainable and environmentally responsible suppliers, and we ensure that our manufacturing process minimizes waste and maximizes efficiency.

Our modular and element building systems are designed for energy efficiency, which results in lower energy bills for our clients and a reduced carbon footprint for our planet.

We are committed to reducing our impact on the environment and actively seek out opportunities to improve our sustainability practices. We continuously review and monitor our processes, materials, and suppliers to ensure that we are meeting our sustainability goals.

At Hennessy Offsite, we are proud to be leading the way in sustainable construction in Ireland. Contact us today to learn more about our sustainable building solutions and how we can help you create a more sustainable future.

Our Mission

To be one of the leading companies in offsite construction recognised for quality and innovation, supporting the building contractors with whom we work.

Benefits of MMC Building




Our Values