Sieć Badawcza Łukasiewicz – Instytut Spawalnictwa (Łukasiewicz Research Network – Institute of Welding)  is a leading and key welding research and development organisation in Poland. In its long-standing activity Instytut Spawalnictwa has been solving problems in welding technology, coordinated numerous R&D projects and strengthened close links with the Polish industry and foreign centres. Instytut Spawalnictwa is the only organisation of its type in Poland, has the status of the Centre of Excellence and functions as:

• ANB - Authorised Nominated Body - in European Federation for Welding, Joining and Cutting (EWF) and International Institute of Welding (IIW) - authorised for qualification of welding personnel,
• ANBCC - Authorised Nominated Body for Company Certification in EWF and IIW - authorised for certification of enterprises according to the PN-EN ISO 3834 standard,
• Accredited in Polish Centre for Accreditation (PCA) organisation for certification of welding processes, Factory Production Control, welding and NDT personnel and quality management systems
• Notified Body in the European Union in the scope of 2014/68/EU Directive and Regulation (EU) No. 305/2011 of the European Parliament and of the Council.

Institute has the certified quality management system in accordance with PN-EN ISO 9001 standard.