Industrial & Commercial Electricians Sydney | Caslec
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More Than a Contractor, 

A Long-Term Electrical Partner

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About Us

Caslec delivers tailored electrical services to commercial and industrial clients across Greater Sydney. We work closely with facilities teams, operations managers, project managers and site leaders to design, maintain, and scale electrical systems that meet real world demands, not just specs on paper.

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OUR CAPABILITIES

Powering Complex Sites with Confidence

Our work supports everything from automation lines and energy systems, factory expansions to data networks and emergency callouts. Whether you're expanding, upgrading, or maintaining a site, we deliver what’s needed, efficiently and without disruption.

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WHY CHOOSE US

Why Choose Caslec

We build long-term, face-to-face relationships 
with every client.

We identify potential issues before they cost you time or money.

Our team knows your site inside out, improving efficiency and safety.

Every solution is delivered by our estimators, project managers & electricians

We plan ahead to prevent issues before they arise.

Our senior team stays involved from start to finish.

We develop a detailed understanding of each site we service.

You deal with the same people who do the work.

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Projects

Featured Projects

Holcim Concrete – Rooty Hill
Holcim Concrete – Rooty Hill

Industry Industrial Manufacturing Location Rooty Hill, NSW Date 2024 The Challenge Holcim required an expansion of its existing concrete manufacturing facility to support increased production capacity. The project demanded seamless integration with live operations, strict adherence to industrial safety standards, and the installation of high-capacity electrical systems to power heavy manufacturing equipment.   What We […]
Pharmacare – Prestons
Pharmacare – Prestons

Modernising electrical systems to support highdemand AV setups and safety compliance.
Symbion – Kemps Creek
Symbion – Kemps Creek

Modernising electrical systems to support highdemand AV setups and safety compliance.
CERTIFICATIONS & ACCREDITATIONS
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Endeavour Energy Logo
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IES Logo
Molex Logo
IES Logo-1
Endeavour Energy Logo
Australian Photographic Society Logo
IES Logo
Molex Logo
IES Logo-1
Endeavour Energy Logo
Australian Photographic Society Logo
IES Logo
Molex Logo
IES Logo-1
Endeavour Energy Logo
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IES Logo
Molex Logo
IES Logo-1
Endeavour Energy Logo
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“
Caslec have been providing Electrical services on Meriton developments for almost 20 years, installing Landscape lighting, Street Lighting, Main switchboards and underground cabling systems. We have found Caslec to be professional, well organised, able to respond to our schedule at short notice and would highly recommend their services.”
Shlomo Behar

“
Caslec Electrical have assisted Gelato Messina over a number of years and we have always found their Electricians to be responsive to our needs in the form of general maintenance, new store fit outs and major upgrades of our production facilities. Caslec Electricians who attend our jobs are polite, knowledgeable and solution driven. Based on our experiences, Gelato Messina does not hesitate to recommend Caslec Electrical as it has managed to instil a sense of pride in the work that they do in all of their Electricians.”
Simon Ravindran

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