Press Release



Sterimed Group, through its UK subsidiary Westfield Medical, is pleased to announce that it has completed the acquisition of Granton Medical, a leading manufacturer of sterilization pouches and provider of packing services for the medical device industry in the UK.

The Granton family owners were pioneers of sterile packs for single-use surgical blades back in the 1960’s and Granton Medical has grown  to be the largest manufacturer of self-seal pouches for sterilization centers and hospitals in the UK. The company has successfully developed a contract packing offering under the brand name Cleanline®, encompassing medical device cleaning, assembly and packaging solutions , performed in an ISO Class 7 cleanroom. Granton also offers printed roll stock of sterilizable packaging materials to medical device manufacturers.

Thibaut Hyvernat, President and CEO of Sterimed, said: “I am delighted to welcome Granton Medical, - a strong and recognized trademark in the UK -, and all its employees into  Sterimed’s adventure. The entrepreneurial DNA of this company over the past years has led to fantastic results. We are certain that, with the union of our respective strengths, this combination will enhance our global positioning, for the benefit of our two companies and of their employees and customers. The acquisition of Granton Medical notably allows Sterimed to make a first step in the contract packing and associated services to medical device companies, which is a major strategic axis for the years to come, as a continuation of the expansion of our portfolio of products and services to this industry.”

James Vero, CEO of Westfield Medical said: “Joining the forces of Westfield Medical and Granton Medical, two complementary companies, strengthens the presence of Sterimed in the UK. This will leverage our product range, as well as opening new development opportunities. I warmly welcome our new colleagues!”

Peter Kirkby, former Chairman at Granton Medical, said : “After working closely with Westfield Medical for many years, I am delighted to see the two Companies now combining together.  I believe that this is the start of an exciting new chapter for Granton Medical and that, as part of the Sterimed Group, there will be plenty of opportunities for the continued growth and success of the business.»

About Sterimed and Westfield Medical

Sterimed Group, headquartered in France, is a world leader in the manufacture of sterilization packaging.

Sterimed masters both the manufacturing of specialty substrates (paper, polybond®, film...) and the manufacturing and distribution of ready-to-use sterilization packaging and consumables. The Group guarantees a total quality control throughout the supply chain for optimal safety of the end user, patients and healthcare personnel. At the side of medical devices manufacturers, hospitals and pharma players, it covers all the packaging needs for reusable and single-use sterile medical devices.

The Group's strong development in recent years has been based on both organic and external growth, with 7 structuring acquisitions over the recent years.

Starting from a unique and recognized expertise in the production of paper for sterilization packaging applications, the Group has become the only vertically totally integrated player in medical packaging industry, and a major global player. 

Through its product innovations and its technological and geographic expansion, the Group continues to grow towards world leadership in its field.  

Westfield Medical joined Sterimed Group in December 2021 and is a leading UK based manufacturer of medical sterilization packaging with sales in over 70 countries. Westfield Medical primarily serves healthcare facilities and medical device companies with a broad range of ready to use packaging. 

With over €260m of sales, Sterimed is present on all continents through 22 sites including 12 manufacturing facilities and relying on 1 350 fully committed associates.

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Dorothée Vuibert