Ronan Holohan, Managing Director

Millimetre Design

Ronan has been at the heart of the interior architecture and design industry in Ireland for more than 20 years. In 2005, he set up MILLIMETRE DESIGN, which under his leadership has grown to become Ireland’s largest interior architecture, interior design and branding studio, operating throughout Ireland, as well as overseas in Europe and the USA.

His impressive client list includes international hotel groups, multinational corporations, professional services organisations and indigenous SMEs, as well as discerning individual clients. Ronan and his team offer a complete service, from concept and planning, through to design development and project management, for clients across a broad spectrum of industry sectors including food, retail, hospitality, leisure, office, residential, education and health.

MILLIMETRE DESIGN has won many industry accolades over the years, including the coveted title of Design Practice of the Year at the 2013 and 2017 Irish Fit Out Awards. One of their more recent projects, the redesign and rebranding of the iconic Café en Seine, Dublin, has won many international design awards, elevating the team’s work onto an international stage.

Ronan is a founding member of the Interiors Association of Ireland, as well as a member of the Institute of Designers in Ireland.