Diales Plc

Diales Group Plc provides consultancy services to the engineering and construction industries through its subsidiaries. Its offerings include quantum damages, delay analysis, project management, adjudication, arbitration, mediation, and technical expertise in civil, structural, mechanical, electrical, public health, and environmental engineering, as well as architecture and energy. The company also provides commercial and contract, planning and programming, dispute resolution, structural design, pre-contract, quantity surveying, building information modeling, and training services. It serves the building, transport and infrastructure, energy, process and industrial, oil and gas, shipbuilding and marine, and mining sectors, operating in numerous countries worldwide. Formerly known as Diales Plc, it changed its name to Diales Group Plc in March 2025. Founded in 1978, the company is based in London, United Kingdom.