McLellan has expertise in all aspects of electrical engineering including for low, medium and high voltage and high power applications in the industrial, built environment and manufacturing industries.

Comprehensive electrical engineering services cover conceptual and feasibility studies, basic to detailed engineering, procurement, project management, operations and maintenance support as well as other specialist services.

Building Services – Switchgear for all voltage applications, power and lighting, motor controls, fire alarm, telecommunications, security and building management systems for universities, listed and historic buildings, hospitals and industrial buildings.

Power and Energy – High power electrical systems and generation and distribution for high, medium and low voltages, spanning a wide range of applications, particularly complex and difficult loads and combined heat and power applications.

Metals, Process and Manufacturing Industries – McLellan experience covers all aspects from conceptual and feasibility studies through all phases of engineering and project implementation, to commissioning and operational support, including process control and instrumentation.

Transportation – Design, coordination and site supervision for the total electrical power systems of major transport complexes, from high voltage to point of use power supply, lighting, motor controls, security and management information systems.  Comprehensive consultancy services are available for the construction or refurbishment of underground railway and mass transit systems and also for of ship building facilities.  Services include design, coordination, quality assurance, inspection and site services.