About Us

Electrical Contractors Castle Hill

In 2010, Director Adrian Cassin founded O’Brien Electrical Castle Hill, formerly known as Wirez Electrical. During 30 years in the electrical service industry, we are proud to have built a reputation based on our lived values of integrity, and respect for our customers. This approach has gained customer trust, based on our aim of not just meeting, but exceeding expectations.

Locally owned and nationally supported, we are proud to be part of the leading O’Brien Electrical & Plumbing group. This means that no matter the size of the job, our professional and locally-based Castle Hill electricians will deliver the high-quality service you deserve.

O’Brien electricians are conveniently located to serve properties in the Hills area of Sydney. We are handy for customers in Baulkham Hills, Annagrove, Kenthurst, Beaumont Hills, Dural, or Box Hill.

Just give us a call, and we’ll attend promptly, providing high-quality solutions to all your electrical problems.

Our electricians in the Hills District complete repairs, servicing, replacements and fresh installations. No matter what electrical work you need, our fully qualified and highly experienced team will get the job done safely, correctly, and for an affordable price.

Why Choose O’Brien Electrical Castle Hill?

  • Over 30 years’ of experience
  • Available 24/7 for any electrical emergency
  • Locally owned & operated throughout Castle Hill and the surrounding suburbs
  • Accredited Master Electricians

For professional and reliable electrical contractors in Castle Hill, get in touch with our team today. Contact us online or call us on today.

Call Us (02) 9894 4843


FAQs-header

Are you a licensed electrician?

Yes, we are fully licensed electricians capable of carrying out a broad range of electrical services for both domestic and commercial clients.

What is a Master Electrician?

A Master Electrician is an electrician who has been accredited by Master Electricians Australia. This industry group ensures the quality and standards of trusted electrical experts. Master Electricians are backed by a higher level of expertise and deliver a greater quality of service.

Why Use A Master Electrician?

With a Master Electrician, you can rest assured all your electrical requirements are in safe hands. By using a Master Electrician you’ll receive truly expert electrical services in a safe, reliable and professional manner.

Meet the team

Adrian Cassin

Director

Adrian Cassin

With over 30 years' experience, Adrian is a skilled Director with a demonstrated history of working in the electrical contracting industry.

Who we've worked with

Nike
PRP Diagnostic Imaging
Palatial Homes
Harvey Norman
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Damage

Do you have broken glass?
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For emergency glass repair or replacement in your home or business, speak to one of our experts. We'll discuss options, costs and appointment times.

We'd love to help you, but unfortunately cannot assist with:

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  • Curved glass or tanks
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Is your electrical job an emergency?
Call us now on (02) 9894 4843

Your message may not be seen until the next business day, so if this an emergency job please call us directly now on (02) 9894 4843 and we can get to you as soon as possible
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Is your plumbing job an emergency?
Call us now on (02) 9894 4843

Your message may not be seen until the next business day, so if this an emergency job please call us directly now on (02) 9894 4843 and we can get to you as soon as possible
Damage

Is your electrical job an emergency?
Call us now on (02) 9894 4843

Your message may not be seen until the next business day, so if this an emergency job please call us directly now on (02) 9894 4843 and we can get to you as soon as possible

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