Business Details
25 Years
experience
Trusted Building Services Contractors in Stockton-on-Tees
Established in 2001, LJJ has grown into a multi-disciplined building services contractor with a national presence. Our expertise spans mechanical, electrical, and public health services, delivered through strategically located offices in Stockton-on-Tees, Coventry, and Crawley. With a turnover exceeding 70 million, we combine technical proficiency with client-focused service delivery across commercial, industrial, and public sector projects. Our commitment to quality is evidenced by structured management systems covering health and safety, environmental sustainability, and equal opportunities.We maintain infrastructure capable of handling major contracts while preserving the personal service ethos that distinguishes our organisation. Our planned preventative maintenance division ensures client assets remain compliant with manufacturers' specifications and statutory requirements, minimising operational disruption. This comprehensive approach positions us as trusted partners for complex building services projects throughout Great Britain.
Services
Mechanical Services
Electrical Services
Public Health Services
Planned Preventative Maintenance
Design Installation
Details
- Year established: 2001
Highlights and features
- We have over 20 years' experience in building services contracting
- Our national service covers all regions of Great Britain
- We offer planned preventative maintenance to ensure compliance
- Our commitment to quality is managed by dedicated professionals
- Established infrastructure with 70m turnover demonstrates capability
Services
Mechanical Services
We design and install comprehensive mechanical systems including heating, ventilation, and air conditioning. Our engineers ensure optimal performance while meeting regulatory standards. Regular maintenance prevents breakdowns and extends equipment lifespan.
Electrical Services
From initial design to final commissioning, our electrical services cover low and high voltage installations. We ensure safe, efficient power distribution for commercial and industrial premises while maintaining compliance with current regulations.
Public Health Services
We specialise in water supply, drainage, and waste management systems for commercial and residential buildings. Our solutions ensure hygiene compliance and efficient resource management across all project types.
Planned Preventative Maintenance
Our PPM programmes maintain building systems according to manufacturer guidelines and statutory requirements. Regular inspections reduce failure risks and ensure insurance validity for commercial properties.
Design Installation
We provide complete design and installation of mechanical and electrical systems for new builds and refurbishments. Our approach combines technical expertise with practical considerations to deliver efficient, future-proof solutions.
People
Lee Rennison
CEO
Lee Rennison leads LJJ Ltd, directing nationwide mechanical and electrical projects since 2001. He oversees operations across education, healthcare, and commercial sectors while maintaining quality and safety standards.
Questions
What services does LJJ Ltd offer?
We provide mechanical, electrical, and public health services including design, installation, and planned preventative maintenance for commercial and industrial clients nationwide.
Do you offer maintenance services?
Yes, our planned preventative maintenance division ensures building systems remain compliant with manufacturers' specifications and statutory requirements across Great Britain.
What areas do you serve?
We operate nationwide across all regions of Great Britain from our regional offices in Stockton-on-Tees, Coventry, and Crawley.
Are you accredited for quality standards?
While not explicitly stated, our 24-year track record and £70m turnover demonstrate our capability to maintain industry standards through dedicated quality management systems.
