Startups showing Sumitomo as a customer

5 of the 1,841 startups whose homepage shows customer logos include Sumitomo's logo in a section the page labels as customers.

All startups showing it (latest capture)

A logo on a startup's website is the startup's own claim, not a confirmed customer relationship. How this is counted.

StartupHistory, “Startups showing Sumitomo as a customer”, https://startuphistory.org/logos/sumitomo (accessed 9 November 2026)