Commercial & Industrial Electrical Contractors01442 890 989|info@technicalelectricalservices.co.uk
Our Projects

Projects & Experience

More than 30 years of electrical contracting experience across commercial, industrial, pharmaceutical, data-centre, facilities-management and public-sector environments, including air-conditioning installation and the electrical supplies supporting building-services systems.

Selected project experience

TES has delivered projects ranging from major public-sector electrical works and commercial refurbishments through to specialist security infrastructure, lighting upgrades, data-centre works and long-term maintenance. Project values below are approximate historic contract values supplied by TES and are included to demonstrate the scale and breadth of experience.

2003–2007 • Circa £3 Million

Crown & Magistrates' Courts

Major electrical and building-services works including power, lighting, data and communications rooms, electrical infrastructure to courtrooms, specialist trunking and cable containment, and associated electrical works within listed courtroom environments.

2008–2010 • Circa £300,000

Fujitsu & Brit Assurance – Planned Maintenance

Planned electrical maintenance delivered through Modus FM, supporting occupied commercial environments and maintaining electrical systems, testing and remedial requirements.

2009 • Circa £500,000

Office & Warehouse Refurbishment

Commercial refurbishment works including energy-efficient lighting, power, network data, toilets, flooring, partitions, ceilings and associated building services.

2011 • Circa £50,000

Three Mezzanine Fit-Outs

Electrical installations supporting three commercial mezzanine fit-outs, including power, lighting, containment and associated services.

2012–2014 • Circa £150,000

Pharmaceutical Office, Training & Warehouse Refurbishments

Electrical installation and refurbishment works across pharmaceutical office, training and warehouse environments, working within operational premises, including associated building-services electrical supplies where required.

2012–2023 • Circa £500,000

Data Centre Projects

Power supplies and cable containment works at multiple data-centre locations across the South East, supporting critical infrastructure and communications environments.

2018 • Circa £300,000

Satellite Communications Company Fit-Out

Electrical fit-out for a specialist satellite communications business, including power, lighting, data infrastructure and associated electrical services.

2021 • Circa £250,000

Pharmaceutical Office, Warehouse & Mezzanine / Dilapidation Works

Electrical works associated with office and warehouse mezzanine alterations, refurbishment and dilapidation requirements within a pharmaceutical environment, including associated building-services supplies where required.

2023–Present • Circa £100,000

CBRE GWS

Planned, reactive and project remedial electrical works across commercial properties, supporting CBRE Global Workplace Solutions requirements across the South East and London.

2025 • Circa £200,000

Abbott Laboratories – Warehouse & Office Lighting

Warehouse and office lighting project including installation of new LED fittings, containment, access equipment, disposal/recycling and associated electrical installation works.

2025–2026 • Circa £200,000

Breakspear Park – Traffic Barriers & ANPR

Installation and integration of traffic barriers and ANPR systems at Breakspear Park, Breakspear Way, Hemel Hempstead, including electrical supplies and associated infrastructure.

2003–2007

Catterick Garrison – Maintenance & Testing

Electrical maintenance, testing and remedial works carried out across the garrison environment.

Ongoing

Merz Pharma – Planned & Reactive Maintenance

Planned and reactive electrical maintenance supporting pharmaceutical premises and operational facilities.

Ongoing

Schools Maintenance – Tring, Berkhamsted, Hemel Hempstead, Watford & St Albans

Electrical maintenance, testing and remedial works supporting schools and educational premises across the local area.

Ongoing

Sumitomo Demag

Commercial electrical works and support for industrial machinery and manufacturing environments.

Further client and facilities experience

TES has also supported organisations and facilities-management partners including BAM, Boston Scientific, Merz Pharma, Fujitsu, Sumitomo Demag, Breakspear Park, Praxis, Arrow, Bellrock, Raytheon, Orifarm and Linksap and other commercial clients. Our work covers installations, commercial air-conditioning installation and electrical supplies, testing, planned maintenance, reactive response, remedial works and specialist electrical systems.

Image note: Client-specific project photography is used where publicly available; some photographs are representative images of the relevant client/site or sector and are not claimed to be TES-owned project photography. Where TES-owned photography is not available, representative commercial imagery is used so the project page remains visually complete. The Luton Crown Court image is licensed under CC BY-SA 2.0 and requires attribution to Thomas Nugent. The schools maintenance image is a representative modern school-building photograph used to illustrate the education sector.