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Duffy Stainless Steel are a manufacturer of stainless steel products based in Castlebar, County Mayo, in the west of Ireland.

Duffy Stainless Steel specialises in stainless steel products for the pharmaceutical, medical and food industries. We supply a full steel fabrication service through to installation with clean room procedures certification.

With over 40 years of experience, we offer a high-quality and efficient custom metal fabrication service to domestic, commercial and industrial clients.

Duffy Stainless Steel works closely with each of their clients and offers expert assistance with the design and planning of initial ideas. From basic sketches to more detailed professional CAD drawings, we produce prototypes, discuss design ideas and provide samples where necessary to meet the client’s needs for a one off fabricated part or a large batch run.

Trusted in Ireland

For over 40 years.

Duffys Stainless Steel continues to grow into one of Ireland's leading engineering specialists with a national and international client base, including Alexion, Pfizer, Allergan and Baxter.

Customer Testimonials

As we set up our facility in Castlebar Ireland, we have been lucky enough to have a partner such as Duffy’s to engage with locally.
Working with our support team they have delivered on all requests efficiently, along with suggested enhancements to our ideas in order meet our needs on site.
We are very happy with the professionalism and commitment displayed by Duffy’s and their team and would have no hesitation in recommending them to other potential clients.

Barry O’SheaFacilities & Maintenance Technician, Meissner Filtration Products

Duffy’s stainless steel Ltd has been a Contractor for Steris (Westport) for over 25 years completing numerous fabrication projects. The Company understands and recognises the diverse dynamics that fabrication business requires and have never let us down at any stage. Their provision of an excellent staff and fabrication service with accompanying resources and equipment ensures that we will continue to utilise Duffy’s stainless steel LTD for both large and small projects in the future.
In summary Duffy’s stainless steel LTD and their staff are wholly dependable, easy to work with and deliver a Quality service.

John BurkeFacilities Technician, Ireland Applied Sterilization Technologies, STERIS Lodge Road, Westport, Co. Mayo, Ireland

Having dealt with Duffy Stainless Steel for many years, I have found their customer service, superior quality and turnaround time, second to none.
We have had tremendous success with them as a fabrication supplier.
They give us regular progress reports and delivery updates, so there are no surprises. When we have rush jobs, even if they are already at capacity they always come through, proving their 'not a problem' ethos really does work.

Cathal GarveySales Executive, Total Source Ltd

Duffy’s Stainless Steel are a professional and skilled stainless steel manufacturing company which have consistently delivered quality products often under short timeframes. The company has constantly proven its excellent problem solving and design ability.

David O’ MalleyExecutive Engineer, Mayo County Council

We are an automation specialist delivering customised machines to a wide variety of industries. We have been working with Duffy Stainless Steel since early 2018. Often, we require high grade sheet metal and fabricated stainless-steel components to form part of our bespoke machine solutions. We value our business relationship with them and their engineering competence along with excellent flexibility and quality of the product they supply us. We are currently also investigating into the company’s other offerings, in the latest forms of high-end technology. We feel the positive experience we have had to date will allow both companies to develop a stronger working relationship within 2022 and beyond.

Conor DuffySales & Design Engineer, Kaon Automation

Duffy’s Stainless Steel have carried out a number of projects for Mayo University Hospital over the last number of years. The service and knowledge they have provided to us on bespoke projects has been second to none. Design through to fabrication stages is done promptly, efficiently and always on time with some very short timeframes given.
A quality product with attention to detail.

Maintenance OfficerMayo University Hospital