Lagan Specialist Contracting Group is a private family owned construction business which was established in 1962 by Peter Lagan. The company has grown from its quarrying activity origins to be the major international Specialist Contractor that exists today. As a leading specialist contracting business founded on more than 55 years’ experience, we work across Ireland, the UK and internationally undertaking infrastructure, capital and maintenance projects through a variety of procurement routes for public and private organisations.