Precision CNC Engineering Since 1971

A close-up of a brass or metal threaded pipe fitting with a hexagonal section for tightening.
A blue plastic nozzle with a wide, flat, circular base and a conical top.
Green plastic dowel pin on white background.
Metallic cylindrical mechanical part with three sections, possibly a adapter or connector, on a white background.
Close-up of a metallic mechanical component with cylindrical ends and a rectangular middle section.
A close-up of a metallic screw with a flat head and a slot for a flat screwdriver, isolated on a white background.
Metal bolt with a threaded shaft and a hexagonal head.
Black threaded rod with hex nut and knurled ends on a white background.
A metallic cylindrical tool or part with a rounded flange on one end, lying on a white surface.
A metal bolt with a hexagonal head and a threaded shaft.
Black metal clamp or bracket with cylindrical ends on a plain white background.
A black metallic bracket with two circular openings and four screw holes, likely a mechanical or automotive component.
A black metal motorcycle brake caliper bracket with mounting holes.
Silver metallic mechanical component with cylindrical and tubular sections, likely part of a machine or engine.
Black metal mechanical component with multiple holes and mounting points.
Metal threaded component, possibly a valve or screw, with a worn surface and multiple sections of different diameters.
A round metallic object with a textured outer edge and a central hole.
A silver metallic L-shaped bracket with three screw holes, two on the base and one on the vertical piece, with visible threading inside the holes.
A black, two-piece linear scale or caliper with a sliding jaw against a white background.
A metal gear with teeth on its outer edge and a smooth inner surface, isolated on a white background.
Metal machine part with multiple threaded holes and a slot, shiny and reflective surface.
Two cylindrical metal machine parts, one with a narrow tip and one with threaded grooves, placed on a white background.
Metal cylinder with threaded hole at one end and a rectangular slot along the side.
Five brass fittings with threaded ends and hexagonal bases on a white background.
A shiny black metal mechanical part with multiple mounting holes and cylindrical openings, likely a engine or machine component.
Metal mechanical parts including a black circular flange, a silver cylindrical hub with geometric cuts, and a shiny silver tube, arranged on a white background.
A metal machine part with various screws, bolts, and adjustable components, likely used in manufacturing or technical assembly.
Metal shaft with multiple splines and ridges, likely a mechanical or automotive part.
Various metal machine parts including a rectangular block with a vertical extension, a cylindrical piece, and a bolt.
Two metal mechanical parts, one silver and one black, placed on a white surface.
Metal machining fixture with three different metal screws and a pin placed in front of it on a white background.
Close-up front view of a camera stabilizer gimbal with black and metallic components on a white background.
Metal rectangular enclosure with multiple circular and elongated holes, likely used in electronics or machinery.
A black metal gun rail with a Picatinny-style mounting system, designed for attaching accessories to firearms.
A black handheld device with a textured grip and white text, isolated on a white background.
A black mechanical component with a central circular hollow opening and four bolt holes on a white background.
Close-up of a small cylindrical metal component with a tapered notch on one side, placed on a white background.
Red metal screw with a flat, wide head and threaded body, isolated on a white background.
A metallic industrial component with a threaded end, possibly a valve or a shaft, lying on a white surface.

What We Do

We are a specialist sub‑contract manufacturing company equipped with a diverse range of advanced CNC machinery. From initial drawings to fully finished components, we produce everything from simple parts to complex, multi‑operation assemblies across a wide variety of materials.

With over five decades of experience and a forward‑thinking approach, we remain committed to delivering excellence in every component we manufacture. Our heritage drives us, while our investment in modern technology ensures the precision and reliability needed to meet tomorrow’s engineering challenges.

  • Sliding Head Turning — High‑precision small components manufactured efficiently and consistently

  • 3/4/5‑Axis CNC Milling — Complex geometries, tight tolerances, and multi‑face machining

  • Family‑Run Since 1971 — Three generations dedicated to the engineering industry

  • Quality & Reliability — Consistent, repeatable results

  • Close-up of a precision CNC machine with various metal components, coolant hoses, and a rotating spindle.

    Capacity

    We utilise a wide range of machine tools to achieve the operations required to produce components.

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  • Automobile assembly line with partially assembled cars in a factory, featuring robotic arms, yellow safety frames, and blue air hoses.

    Industry Sectors

    explore what industrial sectors we work for and why we are trusted by them.

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  • Close-up of a metallic surface with concentric circular ridges creating a swirling pattern.

    Post Processes

    The job isn’t done when it comes off the machine. We offer sub-con processes for material and finish processes.

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Why Choose Double G Engineering?

With over 50 years of expertise, Double G Engineering Ltd is a trusted name in precision CNC machining. We combine innovation, accuracy, and efficiency to deliver custom-engineered components and high-performance solutions for industries across the UK. Our commitment to quality ensures every part meets the highest standards, making us your reliable partner for modern engineering challenges.

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