G&H is a world leader in optical designing, testing and manufacturing. As experts in the technology of light, G&H works with customers to provide optical systems, assemblies, and components for demanding applications.

Headquartered in Ilminster Somerset, UK with primary operations in the USA and Europe, G&H is recognized for the breadth of their acousto-optic, electro-optic, crystal-optic, fibre optic, and precision optic products. G&H is recognised as the preferred source for OEMs in the life sciences, industrial, and aerospace and defence industries, with a history of quality and excellence that dates back over seventy-five years.