About us

Founded by Jonathan Lonsdale as a consultancy with the aim of providing a range of electrical design and engineering services that catered for the needs of its customers. Since its incorporation, JD Lonsdale has grown in size, strength and reputation.

Clients are varied in size and industry and we undertake work in numerous sectors including oil, gas, water, energy from waste, mining, chemicals, steel, material handling, renewables, marine and naval, power and distribution both nationally and internationally.

The evolution of the company has seen in 2017, JD Lonsdale be awarded solution partner status by ETAP signifying their excellence in the Power Systems Analysis field of electrical engineering.

The team

Our team of engineers has built up extensive experience working on numerous projects within the fields of electrical, control and instrumentation engineering, gaining expertise across a wide variety of industries ranging from oil and gas to chemicals, water and steel.

The consultancy has undertaken work designing, engineering and project managing jobs for clients and is capable of providing all the required electrical services within an industrial project. These range from conceptual design, feasibility studies, power system analysis, site surveys, asset surveys and detailed design.

Founded in 2006, JD Lonsdale was established as a consultant engineering practice. Whilst having expertise in all aspects of electrical engineering, the team has a particular enthusiasm for the field of Power Systems Analysis and as such JD Lonsdale has become a specialist electrical consultancy with a focus on the Power Analysis aspects of electrical engineering.

Contact us

JD Lonsdale
Mercury House, Foxby Lane Business Park
Foxby Lane, Gainsborough
Lincolnshire DN21 1DY