Expert machining
and casting services

Traditional sand and gravity casting meets cutting-edge machining and fabrication for all sectors

All parts - expertly engineered

MJAllen Castings and Machining is an established machining, engineering, casting and fabricating company operating from Kent, UK, for over 60 years. Now with a 100+ strong team and a turnover of £7million.

We began by crafting patterns in 1958 and now manufacture for the Aerospace, Military Defence, Automotive and Medical sectors along with general engineering, manufacturing and even decorative markets.

With hundreds of years of combined knowledge, working for national and international clients, we can improve every stage of your production – from concepts and CAD to testing and finishing – all from one contact.

Every service available

Our machine shops and foundries operate alongside our fabricating, painting and assembly facilities to provide every service your project might need – all working seamlessly together in one business.

  • ALUMINIUM CASTINGS

    Up to 1000kg with expert gravity die castings up to 50kg

  • BRONZE CASTINGS

    Copper-based bronze castings and alloys up to 120kg

  • IRON CASTINGS

    Grey, SG / Ductile and 400 / 18 LT SG specialist iron at up to 380kg

  • CNC AND HAND MACHINING

    Advanced CNC machines alongside skilled conventional craft engineers

  • QUALITY TESTING

    Non-destructive, die penetrant, UV, spectrographic, ultrasonic and more

  • FABRICATIONS

    Profiling, bending, cutting and rolling with MIG, TIG and ARC welding on site

  • Medical and healthcare

    We cast and machine components and equipment for national and international healthcare markets, including state-of-the-art devices such as magnetic resonance imaging (MRI) device systems.

  • Global defence systems

    Our work is seen around the world in military and private defence systems such as gun turrets and equipment housing. This work is done to extremely tight tolerances and made compatible with later-stage arms manufacturers.

  • Automotive and power

    We cast a wide range of large aluminium-body diesel engines used in road automotive, land trains, marine vessels and mass power generation applications. Across land and sea, our work is helping to power both private and public transport systems and the cities they visit.

  • Inside Big Ben

    The clock mechanism was destroyed in 1976 by falling weights. Working with original plans from 1856 we cast and machined new parts and had Big Ben repaired for Queen Elizabeth II's Silver Jubilee visit to Westminster in May 1977.

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