Llywodraeth y DU a arweiniodd proses gaffael yr Uwchgynhadledd a deellir yr enillodd nifer o gyflenwyr o Gymru gontractau ar gyfer y digwyddiad. Er enghraifft, cafodd y seilwaith ffibr yn Celtic Manor ei wella gan Advanced Satellite Solutions, a Power Electrics o Ben-y-bont ar Ogwr a ddarparodd y mwyafrif o’r generaduron diesel ar y safle. Darparodd nifer o gyflenwyr bwyd o Gymru y cynnyrch a’r gwasanaethau i’r digwyddiadau oedd yn gysylltiedig â’r Uwchgynhadledd. Hefyd, deellir y cadwyd 24,000 o nosweithiau ystafelloedd gwely ar gyfer yr uwchgynhadledd yn ninasoedd Casnewydd, Caerdydd a Bryste, gan roi hwb mawr i’r sector twristiaeth yng Nghymru.
The procurement process for the Summit was led by the UK Government and it is understood that a number of Welsh suppliers secured contracts for the event.  For example, Advanced Satellite Solutions from Newport provided a Fibre Infrastructure upgrade at Celtic Manor while Power Electrics of Bridgend provided the majority of Diesel generators on site. Numerous Welsh food suppliers provided products and services to events surrounding the Summit.  In addition, it is understood that 24,000 bedroom nights were reserved for the summit in the cities of Newport, Cardiff and Bristol alone, providing a major boost to the tourism sector in Wales.