and construction professionals, we help you design confidently with precise surveys and accurate, easy-to-manipulate drawings for your project. Established in 2013, we are a land and building surveying company operating across London and the South East from our base in Leigh-on-Sea. Our experienced surveying and CAD draughting team offers a variety of services for both construction and engineering projects. We offer our services predominately in London, Essex and the South East. We have, however, assisted clients as far afield as Liberia in West Africa. The service you’ll experience with THS Concepts is second to none. We ensure you are 100% satisfied with our services before and after your job has finished.