ENERGISING AND DEVELOPING COMPANIES INFRASTRUCTURE FOR OVER 30 YEARS Since 1986, Darwen Electrical Services Ltd (D.E.S.) has ... been supporting businesses nationwide with quality electrical, fire and security system installation. With over three decades of experience in electrical repair and installation, we come with an unrivaled wealth of knowledge in all aspects of electrical contracting. From small commercial projects to large-scale industrial contracts we are conversant in all aspects of electrical installation, testing and maintenance work. SERVICES INCLUDE > Electrical Testing > Electrical Installation Condition Reports > Electrical Installation > Electrical Emergency Response > Fire Alarm Systems > Emergency Lighting > CCTV > Door Access Systems > Data Cabling (Cat 5, 5e, and 6) > Facilities Management read more