The figures, published by Crown Commercial Service (CCS), reveal that CDW raked in sales of £29.3 million via G-Cloud, although the vast majority of this came from one huge £25.7 million deal.
Computacenter saw G-Cloud sales of just over £1.1 m last year. The two largest G-Cloud suppliers overall were a long way ahead of the rest.
Large consultancies continue to take the largest part of public sector spending, with Capgemini hitting sales of over £52 million.
Amazon Web Services (AWS) saw revenue of over £50 million, combining sales from three entities. Microsoft transacted £14.9 million, with IBM making £12 million.
CDW’s deal with the Department for Education in June was the most massive G-Cloud deal of 2018, around six times the value of the nearest transaction.
Bespoke software firm Equal Experts completed four of the top 10 biggest deals, the largest of which was worth £3.2 million.
AWS’ largest deal, ranked third overall and was worth £3.3 million. The largest G-Cloud supplier of last year, Capgemini, saw its most significant transaction of £3 million.