T. CONNOLLY & SONS LIMITED

T. Connolly & Sons Ltd. (TCSL) is a family-run construction firm founded in 1976 that has built a reputation across Ireland for delivering high-quality building projects on time and within budget. Based in Roscommon, the company combines a hands-on approach with a strong emphasis on teamwork and employee development, ensuring that the expertise of long-standing staff is passed on to newer members and creating a trusted partnership with clients, design teams, suppliers and sub-contractors.

TCSL's specialisations include energy infrastructure-particularly the upgrade and construction of substations and related civil works for ESB Networks-plus complex medical and hospital facilities in Portlaoise, Tullamore, Roscommon and Ballinasloe. The firm also serves the commercial and public-service sectors, delivering projects for the Office of Public Works, Irish Waterways, the Department of Education and a range of private enterprises. Their commitment to exceptional quality and collaborative delivery makes TCSL a reliable choice for a diverse portfolio of construction needs throughout the country.