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Who we are


TWI is a membership-based organisation, supporting both individuals and companies alike, providing authoritative and impartial expert advice, knowhow and safety assurance through engineering, materials and joining technologies – to help design, create and operate the best products possible. Descended from the British Welding Research Association (BWRA), TWI has grown into one of the foremost independent research and technology organisations, spanning innovation, knowledge transfer and problem resolution across all aspects of welding, joining, surface engineering, inspection and whole-life integrity management.

As a non-profit distributing company, limited by guarantee and owned by its Members, TWI offers independent advice and is internationally renowned for employing multidisciplinary teams to implement established or advanced joining technology or to solve problems arising at any stage - from initial design, materials selection, production and quality assurance, through to service performance and repair.

TWI also assists in the production of standards in the interest of its Member companies and has representatives on more than 60 International, American and European committees and over 50 British Standard drafting groups.

Research 4 Innovation

Research 4 Innovation (R4i) is a collaboration between TWI, the TWI Innovation Network, and TWI Industrial Member companies, as well as RTOs and SMEs in the UK, Europe and around the world.