Your Engineering Partner
ProtoGT delivers advanced engineering services from design to testing. We create custom systems and prototypes, allowing you to focus on your strengths.
Our team of engineers provides direct, end-to-end support, feeling like your own in-house team. Discover how ProtoGT simplifies engineering for you.
Services
Design
Our diverse team offers a range of design services for functional, manufacturable prototypes:
Mechanical design for prototyping and low-volume manufacture
Electrical and control panel design
Pneumatic and automation system design
Embedded software and electronics development
Manufacture
From first parts to production-ready builds, we use in-house processes and our trusted partner to offer:
Multi-axis CNC machining (3, 4, 6, 9 axis)
Vacuum casting and injection moulding
SLS, SLA, MJF, and metal 3D printing
Component sourcing and prototype fabrication
Assemble
We build and test fully integrated systems and pre-production batches:
Prototype assembly and wiring
On-site installation and system commissioning
Embedded testing and functional validation
Services
Embedded System Design
We design and develop custom electronics and control systems, keeping hardware and software development fully in-house to move quickly.
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Custom PCB and embedded hardware design
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Firmware and embedded software development
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Dedicated control system design for novel technologies
Custom Prototyping and Fabrication
From first parts to production-ready builds, we use in-house processes and our trusted partners to produce working prototypes.
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Proof of concept (PoC) prototypes and technology demonstrators
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Low-volume batch production runs
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Mechanical integration of electronics and complex assemblies
System Integration and Automation
We bridge the gap between engineering disciplines, delivering fully joined-up systems without the need to manage multiple suppliers.
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Development of specialised testing equipment
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Custom automation systems for production processes
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Seamless cross-discipline integration (electronics, software and mechanical)
Engineered Solutions
From Concept to Completion
We build functional engineering systems from the ground up. From concept sketches to finished working prototypes, we care about detail and deliver to spec. We believe in long-term partnerships, honest collaboration, and investing in engineering talent. Everything we build is designed to perform under real-world conditions.
Why ProtoGT?
We’re small, and that works in your favour
Being independent means we’re flexible, focused and easy to work with. No middle layers. No bloated process. Just proper engineering.
Built with care, made to last
We build custom prototypes that are engineered for long-term performance. Every part is stress-tested, every design reviewed, and every system validated before delivery.
Quick replies. Clear answers. Actual progress.
You’ll always speak to the people doing the work. We keep comms tight and projects moving.
The whole process, kept simple
From early-stage concept to final system install, we keep engineering practical and communication clear. No fluff. No waste.
● Now available
On demand 3D printing, made in Sheffield
Send us your file, and we will print it in-house using FDM or SLA, then finish it properly and ship it tracked within the UK. If you are not sure what process or material to pick, tell us what the part needs to do, and we will recommend an approach.
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Post-processing included as standard
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FDM and SLA available
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Engineer inspection before dispatch
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Tracked UK delivery
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Confidential by default
Meet the Founders
Built on hands-on experience in advanced engineering projects, we take a practical, project-driven approach to everything we do. We design, manufacture, and install high-quality, engineered solutions that help businesses turn ideas into working prototypes. Our mission is to make engineering expertise accessible to companies of all sizes, so you can focus on what you do best. We work with a wide range of clients, including SMEs and startups, delivering bespoke solutions to meet unique needs.
What Clients Say
A perfect match for our project!
I've been continually astounded by ProtoGT's professionalism. They fully understood our project and implemented it exactly as planned. Highly recommend!
Brett Bartlett
CEO @3D Prototypes