P. Colohan & Co. Ltd is a multi-disciplined organisation that provides top-quality groundwork, basement, concrete frame, and steelfixing services to clients across London and the Home Counties. With over 48 years of experience, we have built a reputation for delivering projects safely and on time, regardless of site restraints and tight timeframes. Our commitment to excellence, safety, and customer satisfaction has earned us a loyal client base and a reputation as one of the most reliable and trustworthy contractors in the industry.