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Electrical Installation Excellence Across the UK
Tarnwalk is a dedicated electrical and data contracting company that prioritises customer satisfaction through a commitment to safety, quality, and honest service. With extensive experience in delivering commercial and industrial projects across the UK, our team of fully qualified professionals specialises in tailored electrical installations, maintenance, and energy-efficient solutions. We collaborate closely with clients and main contractors, utilising in-house CAD design capabilities to provide cost-effective, innovative results. Backed by accreditations such as NICEIC testing and enhanced capital allowances compliance, we ensure every project meets rigorous safety standards and client-specific requirements.Our long-standing relationships with clients like Garenne Shopfitting and Cube Interior Solutions underscore our reputation for reliability, punctuality, and exceptional workmanship, supported by transparent communication and comprehensive aftercare. We serve diverse sectors including retail, hospitality, and high-security environments, offering nationwide coverage with a focus on the Home Counties and London.
Services
Electrical Installations
Data Cabling
Maintenance Contracts
Energy Saving Solutions
Testing & Inspection
Highlights and features
- We offer nationwide electrical contracting services with a focus on London and the Home Counties.
- Our team includes NICEIC-certified engineers for reliable testing and commissioning.
- We provide 25-year manufacturers warranties on data cabling systems.
- Our projects consistently meet strict deadlines while maintaining high safety standards.
- We implement tailored energy-saving strategies, including ECA-qualified equipment.
Associations and certifications
- NICEIC
What people say
Exceptional customer service
Highly professional staff
Meets deadlines reliably
Excellent safety record
Proven industry expertise
Services
Electrical Installations
We specialise in comprehensive electrical installations for commercial and industrial premises, including lighting, power systems, and emergency infrastructure. Our in-house CAD team creates precise working drawings, while qualified engineers ensure compliance with safety standards. Projects range from small-scale upgrades to large design-and-build contracts.
Data Cabling
Our certified technicians install high-performance data cabling systems up to Cat 7a standards, supporting voice and network operations. We provide full testing, 25-year warranties, and structured solutions for businesses of all sizes, ensuring reliable connectivity and future-proof infrastructure.
Maintenance Contracts
We offer flexible maintenance packages covering fire safety, PAT testing, emergency lighting, and system inspections. Our proactive approach minimises downtime, while comprehensive documentation guarantees compliance with regulatory requirements for diverse commercial environments.
Energy Saving Solutions
Our energy-saving recommendations include low-carbon lighting installations and ECA-qualified equipment. We help clients reduce operational costs through tailored proposals, including adjustable photocells and occupancy sensors for optimal energy usage in modern workplaces.
Testing & Inspection
NICEIC-certified engineers conduct thorough electrical testing, including 5-year fixed inspections and portable appliance checks. Our services ensure regulatory compliance while identifying potential risks in commercial and industrial electrical systems.
Questions
What electrical services do you offer?
We provide full electrical contracting services including installations, maintenance, data cabling, and energy efficiency solutions.
Are you NICEIC accredited?
Yes, our team includes NICEIC-certified engineers for testing and commissioning.
Do you work outside Hampshire?
We operate nationwide with a focus on London and the Home Counties.
What maintenance packages are available?
Flexible contracts covering fire safety, testing, and system inspections are tailored to client needs.
Can you handle large commercial projects?
Yes, we manage high-value contracts up to 100,000 sq ft for industrial and commercial clients.
What energy-saving options exist?
We offer ECA-qualified equipment, LED lighting upgrades, and smart control systems to reduce energy consumption.
