CDW won the largest ever G-Cloud deal according to the Crown Commercial Service (CCS).
The at £25.7 million deal was agreed in June with the Department of Education saw CDW provide services in the Cloud Hosting Lot of the framework.
Previously the largest deal that had been facilitated by G-Cloud saw consultancy firm BJSS transact a £10.6 million deal with the NHS in April 2016.
According to CCS figures, Capgemini was the biggest G-Cloud supplier in the first half of the year, according to the data, winning £38.5 million worth of business. CDW was ranked second with £26.8 million.
Amazon Web Services was just behind CDW, with sales of £26.4 million.
IBM meanwhile saw its G-Cloud sales top £8 million, while Microsoft made £ 5million. Softcat saw h1 G-Cloud sales of £2.8 million and Computacenter made £771,810.