The research concludes that there are severe shortages of advice in all parts of Wales apart from the area around Cardiff, Newport and Swansea, and for certain types of advice and casework.
Daw'r ymchwil i'r casgliad bod prinder difrifol o gyngor ym mhob rhan o Gymru ar wahân i'r ardal o amgylch Caerdydd, Casnewydd ac Abertawe, ac ar gyfer rhai mathau o gyngor a gwaith achos.