Business Details
50+ Years
experience
Trusted Electrical & Mechanical Engineering Contractors
Established in 1919, Lilleker Bros Ltd has grown from a local electrical business to a nationally and internationally recognised engineering contracting company. With over 90 years of operational experience and management expertise spanning four decades, we specialise in electrical and mechanical installations across industrial, commercial, and infrastructure sectors. Our directly employed team of 42 staff, including JIB-registered personnel with CSCS/ECS cards, delivers projects ranging from power station upgrades to hospital refurbishments.Holding ISO 45001 certification and operating a dedicated training department, we maintain rigorous health and safety standards while supporting apprenticeships in electrical and plumbing trades. Our international capabilities include export projects across Europe, Africa, and the Middle East, supported by BIM Level 2 implementation for enhanced project efficiency.
Services
Electrical Installations
Mechanical Installations
Exports
Thermography
Design Services
BIM Implementation
Apprenticeship Training
Maintenance Packages
Emergency Repairs
International Projects
Details
- Year established: 1919
Highlights and features
- We offer 100 years of engineering contracting experience since 1919
- Our dedicated training department maintains industry-leading safety standards
- ISO 45001-certified health and safety management systems
- Direct employment model ensures project continuity from enquiry to completion
- BIM Level 2 implementation for enhanced project coordination
Associations and certifications
- ISO 45001
- OHSAS 18001
What people say
Exceptional craftsmanship
Reliable delivery
Expert team
Longstanding reputation
Services
Electrical Installations
We design and implement comprehensive electrical systems for industrial and commercial clients. Our capabilities include high-voltage installations up to 33KV, motor control systems, and emergency lighting solutions. Projects range from new builds to refurbishments across sectors including power generation, food processing, and healthcare facilities.
Mechanical Installations
Our mechanical engineering services cover complete building services packages including heating, ventilation, and plumbing systems. We specialise in BMS control integration and renewable energy installations for education, healthcare, and industrial sectors. Projects combine new builds with complex refurbishment requirements.
Exports
We deliver full engineering procurement packages internationally, including design, shipping, and commissioning. Our Nigerian operations support major infrastructure projects while UK-based teams handle documentation and logistics for clients across Africa, Europe, and the Middle East.
Thermography
Our ISO18436-certified thermographers conduct electrical and mechanical condition assessments using infrared technology. This non-invasive service identifies potential faults in switchgear, transformers, and building insulation, helping prevent failures and reduce energy costs.
Design Services
We utilise AutoCAD and Revit software for detailed engineering drawings, with BIM Level 2 implementation for clash detection and project visualisation. Our scanning and printing facilities support A0-sized documentation for both domestic and international contracts.
People
Mark Ralton
Director
With decades of industry experience, Mark oversees strategic direction and major project delivery. He has led the company's expansion into international markets while maintaining its Rotherham heritage.
Tim Himsworth
Finance Director
Tim manages financial operations and project cost control. His expertise ensures sustainable growth and investment in staff training and technical capabilities.
Nick Muscroft
Electrical Contracts Manager
Nick supervises electrical projects from design to commissioning. He ensures compliance with BS7671 standards and coordinates teams for complex industrial installations.
Simon Mcnamara
Mechanical Contracts Manager
Simon leads mechanical installations across diverse sectors. His team delivers HVAC systems and plumbing solutions while maintaining BMS integration expertise.
Ellis Ralton
CAD & Thermal Imaging Engineer
Ellis combines design expertise with thermography services. He produces technical drawings while conducting infrared surveys to identify electrical and mechanical system inefficiencies.
Questions
What sectors do Lilleker Bros Bros specialise in?
We focus on industrial and commercial sectors including power generation, food processing, healthcare, education, and heavy industry projects.
Are Lilleker Bros Bros ISO certified?
Yes, we hold ISO 45001 certification for occupational health and safety management systems.
Do you offer international engineering services?
Yes, we deliver projects across Europe, Africa, and the Middle East through our export department and Nigerian associate company.
Do you provide apprenticeship opportunities?
Yes, we offer electrical and plumbing apprenticeships with on-the-job training and industry-recognised qualifications.
What BIM capabilities do you have?
We implement BIM Level 2 for project coordination, using Revit software and clash detection to enhance design efficiency.
