Top VoIP companies in Japan - October, 2026

    Listed below are the top companies in Japan by revenue as of October 2026. With $43.6B in revenue, SoftBank is ranked first on the list, followed by KDDI with $38.5B in revenue and Rakuten Symphony Singapore with $14.9B in revenue. Find additional information about companies in Japan such as their contact details, employees, location, org chart, news and much more.

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Frequently Asked Questions Regarding Top VoIP companies in Japan - October, 2026

Is SoftBank the biggest company in the world?
SoftBank is the top company in Japan by revenue, with $43.6B in revenue
Is KDDI the biggest company in the world?
KDDI is the second largest company in Japan by revenue, with $38.5B in revenue
Is SoftBank the largest company by revenue?
SoftBank is the largest company by revenue, with $43.6B in revenue
What is SoftBank's revenue?
SoftBank's revenue is $43.6B
What is KDDI's revenue?
KDDI's revenue is $38.5B
What is Rakuten Symphony Singapore's revenue?
Rakuten Symphony Singapore's revenue is $14.9B
See more information about top companies