CEO
高橋 誠
Makoto Takahashi
Spent ten years in quality management at a major contact-center operator before founding Kotoyui in 2018 to build systems that lighten the load on front-line teams.
Company
About Kotoyui
Since 2018, we have been building products that untangle the words stuck between companies and their customers.
Mission
Words that bring you closer.
An inquiry is not a complaint first — it is a word of trust, sent to a company someone chose to believe in.
Our work is to make sure those words never get lost: received properly, organized, and delivered to the right person. Phones that never connect, emails answered days later, different answers from different agents — these problems are usually not staffing problems. They are information-flow problems.
We are not trying to automate the conversation itself. We believe the last word should belong to a person. Our job is to use technology so that person can arrive at the conversation in their best possible state.
History
Milestones
-
April 2018
Kotoyui, Inc. founded
Established in Minato-ku, Tokyo. Development of the web chat product "Kotoyui Talk" begins.
-
March 2019
Kotoyui Talk launches
Adopted by 40 companies in its first year, led by retail and e-commerce.
-
June 2020
Kotoyui Voice launches
A voice-response product, released amid surging demand for phone automation.
-
April 2022
LINE connector released
The first Kotoyui Link connector, integrating LINE official accounts with the console.
-
February 2024
Kotoyui Insight launches
An analytics product with automatic quality scoring and VOC analysis.
-
October 2025
Head office moves to Toranomon
Relocation to a larger office with a dedicated customer success floor.
-
April 2026
Kotoyui Talk 2.0 launches
A major release renewing AI first-response accuracy and console usability.
Leadership
Leadership
CTO
山本 直人
Naoto Yamamoto
Led development of large-scale messaging infrastructure at a Japanese IT company. Specializes in applied speech recognition and NLP, and oversees product architecture.
Head of Customer Success
伊藤 咲
Saki Ito
Built a customer success organization from zero at a SaaS company, cutting churn significantly. Has led Kotoyui's onboarding and adoption programs since 2021.
Facts
Company facts
420
Companies onboard (cumulative)
86
Employees
8th
Year since founding
94%
Average CSAT
Access
Visiting our office
Schematic map. Call us for detailed directions.
Kotoyui, Inc. — Head Office
Urban Toranomon Bldg. 7F,
1-16-4 Toranomon, Minato-ku, Tokyo 105-0001, Japan
- 4 min on foot from Toranomon Station (Tokyo Metro Ginza Line), Exit 3
- 6 min on foot from Toranomon Hills Station (Hibiya Line), Exit A2
- 8 min on foot from Uchisaiwaicho Station (Toei Mita Line), Exit A3
Please contact us before visiting — a member of our team will meet you at the 7F elevator hall.
Come build this with us.
If you want to change front-line work through the power of words, we would love to meet you in Toranomon.