Business Details
50+ Years
experience
Professional Electrical Contractors in Cardiff
Established in 1952, A. J. Crews Limited has built a reputation as a trusted provider of electrical services across South Wales. Our team of fully qualified JIB technicians and NIC EIC-approved engineers deliver comprehensive solutions including electrical installations, testing, and specialist mechanical servicing. With decades of experience serving private companies and local authorities, we prioritise safety, reliability, and adherence to industry standards. Our long-standing partnerships with organisations like Cardiff University and Merthyr Tydfil County Borough Council demonstrate our commitment to quality. As a family-run business, we maintain a client-centric approach, ensuring every project meets exacting specifications.Our expertise extends to renewable energy solutions, emergency lighting systems, and advanced PAT testing. Backed by accreditations from NICEIC and ECA, we combine technical proficiency with a dedication to customer satisfaction. Our engineers provide tailored services for industrial, commercial, and domestic properties, maintaining operational excellence across Cardiff, Swansea, Newport, and the Valleys regions. Through consistent investment in staff training and cutting-edge technologies, we ensure compliance with the 17th Edition NIC EIC regulations while delivering cost-effective solutions.
Services
Electrical Installations
Electrical Testing
PAT Testing
Solar Installation
Mechanical Servicing
Emergency Lighting
Access Control
Generator Maintenance
Details
- Year established: 1952
Highlights and features
- We have over 70 years of experience in electrical contracting
- Our engineers are NIC EIC-approved and JIB-certified
- We serve major local authorities across South Wales
- We comply with 17th Edition NIC EIC regulations
- We offer specialist services including solar PV maintenance
Associations and certifications
- NICEIC
- ECA
Services
Electrical Installations
We design and implement electrical installations for industrial, commercial, and domestic properties. Our NIC EIC-certified engineers ensure compliance with current regulations while delivering tailored solutions. From small-scale domestic projects to large commercial developments, our team provides reliable infrastructure that meets exacting safety standards.
Electrical Testing
Our JIB-qualified technicians conduct comprehensive electrical testing using 17th Edition NIC EIC methodologies. Services include periodic inspections, generator testing, and emergency lighting verification. We provide detailed certification to confirm compliance and ensure ongoing operational safety for commercial and industrial clients.
Solar Installation
We offer complete solar PV system installation and maintenance services. Our specialists handle projects of all sizes, from domestic arrays to large-scale commercial installations. We also provide cleaning and recommissioning services to maintain optimal system performance, including specialist treatments for lichen and bird dropping removal.
Mechanical Servicing
Our engineers provide maintenance for electrical equipment including canopy fans, ducting systems, and heating units. We offer both on-site and off-site cleaning solutions, ensuring continued functionality and safety compliance. Regular servicing helps prevent breakdowns and extends equipment lifespan for commercial clients.
Specialist Services
We deliver niche electrical services including access control systems, networking cabling, and lightning protection. Our team handles complex projects like carbon reduction calculations and generator design. We also provide tender access support and specialist testing for floodlighting and UPS systems.
Questions
What areas do you cover?
We operate across South Wales, including Cardiff, Swansea, Newport, and the Valleys regions.
Are your engineers certified?
Yes, all our technicians are JIB-certified and we hold NIC EIC approval.
Do you work with local authorities?
Yes, we have long-standing contracts with multiple local authorities including Cardiff Council and Rhondda Cynon Taff.
Can you handle emergency electrical work?
While we don't offer 24/7 emergency services, we prioritise urgent requests during normal working hours.
What electrical testing services do you provide?
We offer full electrical testing including PAT testing, generator testing, and emergency lighting inspections.
Do you install renewable energy systems?
Yes, we specialise in solar PV installations and maintenance, including cleaning and performance optimisation.
