At Neptune Injection, part of Neptune Engineering, we’ve built a strong reputation for quality, flexibility, and innovation. With over 50 years of experience, we’re proud to be one of the UK’s leading specialists in injection moulding and mould tooling.
Based in our modern facility in Stevenage, Hertfordshire, we combine cutting-edge technology with a skilled team to deliver precision-engineered solutions. Our ISO 9001:2015 certification reflects our commitment to excellence and continuous improvement.
We serve clients across the UK, known for our fast turnaround times and consistently high standards. From concept to completion, we offer a full turnkey service—covering design, tooling, moulding, and validation.
Our in-house toolroom and moulding shop allow us to produce cost-effective, high-quality components, while our trusted network of partners enables us to offer a wide range of specialised services.
Whether you’re starting a new project or scaling production, our team is here to help. Let’s build something great together.
