TWI Certification Ltd (TWI CL), is a wholly-owned subsidiary of The Welding Institute (TWI), formed in 1993 to exemplify the independence and impartiality required to deliver certification in accordance with international standards. TWI CL develops and implements certification schemes, approves training courses and authorises assessment to satisfy industry needs. These activities are performed under the stakeholder governance of the Certification Management Board. TWI CL understands the importance of impartiality in carrying out its certification activities, managing conflict of interest and ensuring the objectivity of all certification decisions.