Competent Electrician is a licensed electrical firm based in Sembawang that works mainly on emergencies. The website says it covers power failures, power trips and electrical faults around the clock, and that it can attend within 30 minutes. If it is late, the website offers a $30 discount under its time guarantee. Emergency calls go to 6690 3358, and email enquiries are answered in three to five working days.
Beyond emergencies, the firm does residential and commercial electrical installation and maintenance, home automation, and smart home advice. The website says the electricians are licensed by the Energy Market Authority and bizSAFE certified. It also says pricing is upfront, with no hidden charges.
Customers mostly praise the speed and the thoroughness. One says a team came within about 45 minutes, found the fault quickly and checked the other points and appliances around the house. Another was shown a burnt switch, replaced it, and was advised to change the whole unit because it was too old. Several praise the responsive technicians and the lack of extra charges. One customer was unhappy: a wall was chipped during the job, the mess was not cleaned up, and they were charged $180 as at 2026 for replacing a water heater switch. Our pick in Sembawang for an electrical fault that needs a fast call-out.