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ABN: 42147864293
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Transformers and Power Supplies for every application

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Our number one priority

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How can we help you?

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Helping our customers with the correct product every time


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Successful outcomes achieved for



Helping industry by controlling voltage and current

wind energy


Providing energy companies with custom transformers that meet reliability and compliance needs



Working with infrastructure companies to meet special project specifications on time



Understanding mining industries unique requirements for underground and open cut mining sites

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Electrical Contractor

Teaming up with electrical contractors to deliver projects on time with compliance documents


Grant Transformers is a transformer manufacturing and supply company based in Perth, Australia. Grant Transformers have been manufacturing a variety of transformers for their customers based on client specifications for sites throughout Australia and abroad. Our niche is that we can offer any variety of transformer based on customer needs for various applications. These include distribution transformers, power transformers both oil cooled and cast resin type, isolation transformers, auto transformers, motor start transformers, single phase transformers, three phase transformers, inductors, chokes and reactors. We can offer enclosed type transformers and open type transformers as well as epoxy type transformers. Our transformers are manufactured to strict quality guidelines. Grant Transformers have been manufacturing AC and DC transformers since 1931. Transformers are made to mining specification, switchboard specification, industrial specification, solar specification to name but a few. We strive to be a partner to our customer giving them the best possible advise and support.

Our Services


Transformer Manufacturing and Supply

1VA to 20MVA air cooled, open and enclosed with various input and output voltages.

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DC Products

A variety of transformer based and switch mode type power supplies from 12VDC to 240VDC.

supply chain

Supply Chain Management

Packaging, deliveries and collections undertaken on all our products for enhanced service offerings.

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Research & Development

Service offerings including assessing and designing bespoke AC and DC solutions.

Production Process

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Winding of Transformers

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Assembly of Transformers

Coil Tester

Impregnation & Baking of Transformers

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Termination & final assembly of tranformers

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Testing & Quality inspection of Transformers

Latest News

Very proud of the Grant Transformers team today. Grant Transformers have been around in WA since the 1930’s and recently we received our first ISO 9001:2015 Quality Management Certification. This is simply a formal reinforcement…



Paul Williams

Dear Grant Transformers, Your support and great quality products have stood the test of time over many, many years. Thanks for ensuring that we always get our products...More