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Product Development

G&H is renowned for supplying high volume commercial photonics products and manufacturing solutions to customers around the world.

Dean Catterall, Development Engineer - A development engineer working at a desk with two large monitors displaying technical CAD drawings and a 3D model. A phone and a physical prototype of the modeled component are on the wooden desk. The engineer is focused on designing using specialized software.©️ G&H

We Turn Ideas Into Market-Ready Products

At G&H, we transform innovation into engineered reality. Across industries - from healthcare and life sciences to aerospace, defense, and industrial technology - we design, develop, and manufacture advanced products and systems built on over seven decades of optical and photonic expertise.

Our teams partner with OEMs, start-ups, and research innovators to take ideas from concept to commercial production - delivering reliable, manufacturable, and regulatory-ready solutions. As part of a global photonics and precision-engineering group, G&H combines deep domain expertise with world-class optical design and vertically integrated manufacturing. The result: a single, trusted partner for product realization across every market we serve.

End-to-End Expertise Across the Development Lifecycle

Unlike design consultancies or traditional contract manufacturers, G&H offers fully integrated product development under one quality system. Our multidisciplinary engineers collaborate from concept through production - reducing risk, accelerating time-to-market, and ensuring that every product is engineered for manufacturability, compliance, and performance.

Our Capabilities Include:

  • Concept & Feasibility – requirements capture, system architecture, and proof-of-principle prototyping.
  • Detailed Design & Engineering – mechanical, electronic, software, optical, and fluidic system development.
  • Design for Manufacture (DFM) – scalable, cost-optimised design refinement.
  • Verification & Validation – rigorous testing under ISO 9001, ISO 13485, and AS9100 standards.
  • Design Transfer & Scale-Up – process validation, operator training, and pilot production.
  • Full-Scale Manufacturing – certified, high-precision production across our UK and US facilities.

Why Leading Innovators Choose G&H

  • Proven experience – more than 75 years and over 1,000 employees worldwide.
  • Vertically integrated – design, prototyping, testing, and manufacturing within one unified quality framework.
  • Certified quality systems – ISO 9001, ISO 13485, and AS9100 certifications; FDA and MDR/IVDR compliance.
  • Cross-disciplinary collaboration – optics, electronics, mechanics, firmware, and industrial design teams under one roof.
  • Scalable engagement – from rapid prototyping and pilot runs to global volume manufacturing.
  • IP protection – all intellectual property generated during customer projects remains with the client.

A Systematic, Risk-Based Approach

Our systems engineers apply ISO 14971 risk-management principles throughout every phase of product development. Through structured stage-gate reviews, comprehensive documentation, and cross-functional verification, we maintain full traceability and regulatory confidence - whether developing an optical subsystem for aerospace or a diagnostic device for clinical use.

From Concept to Commercial Success

Every product we develop reflects G&H’s commitment to precision, reliability, and performance. By uniting engineering excellence with global manufacturing capability, we help our customers bring breakthrough technologies to market faster - and with total confidence in their quality and compliance.

Partner with G&H to transform your concept into a market-ready, manufacturable product.

Product Enquiry

So we can better understand your requirements, please complete the product enquiry form below.