Diales PLC, formerly Driver Group PLC, is a United Kingdom-based multi-disciplinary consultancy. The Company provides specialist commercial management, planning, programming and scheduling, project management, dispute resolution and expert witness services, to the global construction and engineering industries. It offers complete solutions throughout the project lifecycle, providing services in dispute avoidance and resolution, and supporting the legal profession in arbitration, litigation, and alternative dispute resolution. Its expert services include quantum damage, delay analysis, project management, adjudicators, arbitrators, mediators and technical expertise. Its advisory services include commercial and contract, dispute resolution, planning and programming, pre-contract, quantity surveying, building information modeling, and training. It serves various sectors, including building, energy, mining, process and industrial, marine, transportation, and oil and gas.