WelCome to RSD

R.S.D. Electricals provides quality service to local customers. Our staff is built on a solid foundation of expertise, experience, professionalism, trustworthiness and a highly service skilled work force. We bound to 24 hour service from mega to small scale.
Our success is based on the way we satisfy the customers by providing solutions accordingly to the technological transformations in outer environment and by guiding factories, private organizations and individuals in order to gain high profits by implementing the low energy consumption.
Mr. H.D.R.Diddeniya, the owner & CEO of this company, has 25 years experience in electrical & mechanical fields. He specially trained in many overseas countries in this area.

Our Mission

Our mission is to build our reputation for integrity and excellence as one of the finest electrical and mechanical engineering organization by providing high quality services with safety and optimum value.

Our Vision

To be the first choice solution for electrical, mechanical and construction duty copying customers. To provide total solution for electrical, mechanical and construction duty copying customers.

Projects & Services.

Our 24/7 Mobile Technical Unit.


01. The way of providing the service
  • A technician will visit you within 48 hours.
  • Each and every telephone call received will be responded instantly.
  • Trustworthy service agreements.
    • Within the service agreement time span, the technical service will be provided free of charge.
    • Service agreements time spans
    • 6 Months, 12 Months (You can choose according to the necessity of service agreements)
02. Areas cover by Mobile Technical Unit
  • Domestic Wiring (Project - Safety 1st first stage)
  • Providing the electrical engineer’s expertise support for factories
    (Project - Safety 1st Industrial Project)
  • Providing the electrical engineer’s expertise support for offices, workshops and institutions
  • Providing the electrical engineering support for hotels, restaurants and boutiques
    (Project - Safety 1st Business Place / Promises)
  • Star Hotels and Restaurant / Guest house / Rest house Electrical Solution.
    (Project - Hotel Maintenance)






We use products for our projects from below suppliers