Residential and commercial electrical contractors. SunSynk, Hubble Lithium and LuxPower installer. Every job certified with a Certificate of Compliance on completion.



A small selection of recent jobs. Every install is photographed, documented and signed off with a Certificate of Compliance.
Full residential and commercial electrical work — new wiring, distribution boards, plug points and lighting, panel upgrades, fault-finding and repairs. Every job is signed off with a Certificate of Compliance per the Electrical Installation Regulations and SANS 10142-1.
Hybrid solar systems sized to your actual load — not oversold. SunSynk and LuxPower hybrid inverters, Hubble Lithium batteries, monocrystalline panels. Designed, installed and commissioned by a registered electrician, not a salesperson.
Semcon Electrical has been wiring homes and businesses across Gauteng since 2010. We do every install ourselves, from quote through to the CoC — no sub-contractors, no surprises. Marco runs the business and personally inspects every job before sign-off.
Same crew from quote to final commissioning. If something needs fixing later, you call the people who built it.
We design solar systems to your real consumption, not the biggest kit we can sell. Smaller systems, faster payback.
Every electrical job lands with a Certificate of Compliance. Insurance and resale need it — we make sure you have it.
WhatsApp, email or call. We listen to what you need and ask the questions that catch surprises early.
Marco walks the site. Free, no-obligation. We measure, we photograph, we ask the awkward questions about your DB.
You get a line-item quote within 48 hours. Nothing hidden. Sign & pay deposit online.
Our crew arrives on the agreed date and works clean, safely, and without disruption.
We test, we hand over, we issue a Certificate of Compliance. 12-month workmanship warranty kicks in.
Licensed installer with Department of Labour standing.
Hybrid solar & battery installs sized to your actual usage.
Power outage, tripping DB, smoking socket — we answer.
You see exactly what you're paying for, line by line.
Workmanship warranty on every install, in writing.
Certificate of Compliance issued on completion of every electrical job.
The fastest way is WhatsApp Marco directly. Or email us a brief and a couple of photos of the site — we'll come back with a line-item quote.