58,836 AI agencies and consultants · 187 countries · Updated November 2026ENFRESDE
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OpenAI agencies in Japan

34 OpenAI agencies and independent consultants are based in Japan. 12 are consultants, and 32% started in 2024 or later.

34
listings
3
median team size (people)
32%
started in 2024 or later
12
are AI consultants
#AgencyPeopleFounded
  1. 26B Λ R T Ξ KTokyoAutomationStrategy11985→
  2. 27Cognisant合同会社豊島区AutomationStrategyCustom developmentAI agents12025→
  3. 28株式会社Aisle港区StrategyMarketingGEO12025→
  4. 29Wallabee inc.ShibuyaStrategyGEO12023→
  5. 30tinkrboxAIMinato-kuAutomationCustom development→
  6. 31HeyshoMeguroAutomationStrategyMarketingGEO2024→
  7. 32OngitoTokyoAutomationCustom developmentAI agentsMarketing2026→
  8. 33TechWorker.incShinjukuStrategyTraining→
  9. 34ricrio inc.千代田区AutomationStrategyCustom developmentAI agents2020→
Showing 26–34 of 34 · sorted by team size

Services offered

Strategy22
Automation13
Custom development11
Marketing10
GEO9
AI agents7
Training4

Team size

9
Solo
12
2–10
5
11–50
3
51+

Questions

How many OpenAI agencies are there in Japan?
34 OpenAI agencies and independent consultants are based in Japan.
Which are the largest?
By team size: B Λ R T Ξ K, Cognisant合同会社, 株式会社Aisle.
Are they firms or solo consultants?
9 are solo consultants, 12 have 2 to 10 people and 3 employ more than 50.