ISTQB Training Providers in Ireland Two training providers are already accredited at Foundation and Advanced levels by the ISTB, Insight Ltd in Dun Laoghaire, Co. Dublin (www.insight.ie) and SQS Ireland in Dawson St, Dublin (www.sqs-ire.com). Also ISTQB courses are provided through the Centre for Software Engineering (www.cse.dcu.ie) in Dublin City University.