A trusted partner to the nuclear industry

Founded in the "Steel City" Sheffield, UK, in 1974, Mayflower Engineering Ltd has an established history of manufacturing excellence. Decades of experience, high-level accreditations and industry-leading expertise enable us to service highly demanding industries such as Defence, Subsea and of course, the Nuclear engineering sector.

Complete design and manufacture solutions

In addition to our world-class manufacture service, Mayflower also offers design services provided by our in-house design team. This enables us to offer our customers complete solutions for their engineering challenges. 

Accredited welding and fabrication

We are one of the few UK companies to employ Internationally Qualified Welding Engineers, enabling us to maintain various welding specific accreditations and offer the highest level of fabrication excellence. 

Mayflower has a wealth of experience in the supply of high-integrity fabrications to the nuclear sector. Many of our projects are under NDA, however below is a sample of some of the projects that we have successfully undertaken in recent years:


  • Class one handling equipment 

  • Storage Well Shielding

  • Vault and well camera assemblies

  • Drum housing equipment

  • Alpha guards

  • Interceptor pot assembly

  • HEPA filter housing

  • WTC handling cars

  • Lifting beams

We offer a range of services

Which include:

  • Fabrication overseen by International Welding Engineers

    Our in-house International Welding Engineers offer expert advice and ensure the highest standards of fabrication are adhered to at all times.


    Unlike many companies, we provide both in-house design and complete manufacture


    Dedicated document control and QA teams, backed by approved QA procedures


    Our well-equipped facility enables us to provide welding, fabrication, machining, painting and more, ensuring we have full control over the manufacturing process.


    Manufacture to class 1 nuclear standards