Sydney’s Trusted Name in Quality Signage

Great City Signs

Combining craftsmanship, technology, and decades of experience to deliver signage that makes an impression every time.

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For over two decades, GC Signs & Plastics has been a trusted name in Sydney’s signage industry. We design, manufacture, and install custom signage solutions that help businesses stand out — from 3D illuminated letters and stainless steel printing to wide-format vinyl and window frosting.


As a proudly independent company, we combine craftsmanship, cutting-edge technology, and personal service to deliver outstanding results on every project. Whether you need a single shopfront sign or a full corporate rebrand, our experienced team makes the process simple, professional, and stress-free.

Our Services:

3D Illuminated Metals

Standout 3D logos and lettering that add depth, dimension, and impact to your brand — ideal for walls, receptions, and shopfronts.

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Wide Format Vinyl

High-quality wide format vinyl printing for banners, walls, windows, and vehicles — crisp, vibrant, and made to last.

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Window Frosting

Durable stainless steel printing for long-lasting, high-end signage — perfect for plaques, nameplates, and corporate branding.

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Our Latest Projects

What Our Clients Say

"Great City Signs are absolute legends. They handle all our signage and window decals across our retail stores and always deliver a fantastic result."

Christine Martin

"Thank you Peter and Great City Signs for helping me out with my signage. It was a very encouraging experience as I was able to communicate exactly what I wanted through phone and email. It turned out exactly as I wanted."

Simply Motion Physiotherapy

"Was great to work with Peter at Great City Signs. Fantastic advice around designing a custom sign for our business which is the first thing customers see. Quality finish and install was seamless - highly recommend their services!"

Adrian Henshall

Get in touch today and get a free quote!