Mae WIDAB yn rhoi cyngor i Weinidog yr Economi a Thrafnidiaeth ar economi Cymru ac yn helpu Llywodraeth Cymru i wireddu'i nod o sbarduno twf cynaliadwy a chynhwysol ym mhob un o ranbarthau Cymru trwy'r Cynllun Gweithredu ar yr Economi. Rhan ganolog o waith WIDAB yw rhoi cyngor ar brosiectau unigol sy'n gofyn am fwy na £1 miliwn o gymorth oddi wrth gynlluniau o dan Gronfa Dyfodol yr Economi.
The Welsh Industrial Development Advisory Board (WIDAB) provides advice to the Minister for Economy and Transport on issues relating to the Welsh Economy and assists the Welsh Government in its ambition to drive sustainable and inclusive growth across the regions of Wales through the Economic Action Plan. Central to WIDAB’s role is providing advice on individual projects requesting support of more than £1 million from the relevant schemes within the Economy Futures Fund.