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Premium electrician services transforming commercial fitouts into modern businesses.

Tier 1 Electrical & Data is the preferred choice for business owners and builders across Greater Sydney.

We’re experienced in custom electrical fitouts for clients across government agencies, hospitality, construction, strata and more.

We embrace emerging technologies and use them to future-proof commercial sites. From cutting-edge security platforms to automated lighting systems, we help you think outside the box with solutions to meet your long-term business needs.

See our full list of commercial electrician services below.

Why choose Tier 1?

We’re Sydney-based electrical experts.
We use the latest innovations in lighting, security and cabling.
We’re fault-finders and creative problem solvers.
Approved Beacon lighting electricians.
Certified security system installers: Inner Range (Integriti), Bosch, U-Prox & others.
Open to Commercial tenders under $1 million (total contract).
We’re fast, qualified and always have the right tools.
We always clean-up after ourselves.

Our Clients review

Very pleased we chose Tier 1 Electrical to complete our electrical renovations for our home. From the moment we requested a quote - Evan was professional and easy to communicate with until the conclusion...

Evan and the team at Tier 1 did the electrical work for our complete kitchen renovation - new lights and power points, and appliance installations. He was friendly,...

Evan did the electrical work for our kitchen renovation and replaced our meter box. His work is excellent. He explained things as required. Communication is great with notification...

Jake was responsive and reliable. A great person to deal with. He sourced our 2 aircon units for a great price and did a very professional job installing them. Would highly recommend.

Evan went above my expectations, he was friendly, arrived on time and everything was done in a timely manner and I was happy with the price charged. I would have no hesitation in recommending this company

Andrew, Evan and Darcy are professionals, courteous and prompt. They do great work! I'll definitely be using them again in the future 🙂

General Electrical

Switchboard maintenance & upgrades Emergency light testing & installation Power solutions Power surge protection Fault finding TV solutions Replace & program appliances And more!