3. Computacenter

This LSE-listed giant rises from fourth to third in Tussell’s Reseller Titans rankings after generating £507m in public sector sales in 2024/25.
That figure was also enough to rank it eighth in Tussell’s wider Tech Titans report.
Nearly two-thirds (64%) of the tally was generated from central government (with the NHS and blue light contributing 13% and 9% respectively).
Computacenter is the Department for Transport’s largest reseller, snaring 51% of its Reseller Titans spending in 2024/25, Tussell noted.
Countdown continues on following page…
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