https://www.centralbank.ie/news/article/speech-braving-the-storm-ed-sibley-4-nov-20  5/7  06/11/2020  “Braving the storm: the unprecedented challenges facing SMEs” - Deputy Governor Ed Sibley  [1] With thanks to Fergal McCann, Caroline Mehigan and Tony Cahalan for their input into preparing this speech [2] Central Statistics Office, 2020 [3] GVA is conceptually the same aggregate as Gross Domestic Product (GDP).
They both measure the added value generated in an economy by the production of goods and services. The difference between the two concepts is that GDP is measured after including product taxes (e.g. excise duties, non-deductible VAT, etc.)