Founding Years
| January 2014 | Established Thinca Co., Ltd. in Bunkyo, Tokyo |
| August 2014 | Launched our first cloud service “Omotenashi Telephone” |
| May 2015 | Relocated headquarters to Chiyoda, Tokyo |
| February 2016 | Received the Chiyoda Business Award Special Prize as enterprise adoption began to accelerate |
Expansion Period
| April 2017 | Opened Osaka office to strengthen Western Japan presence |
| July 2017 | Client base expanded across 100+ industries |
| August 2017 | Completed third-party allotment of shares, increasing capital to 155.73 million yen |
| September 2017 | Relocated headquarters to Shinjuku, Tokyo |
| June 2018 | Completed another funding round, increasing capital to 282.19 million yen |
| October 2018 | Received Silver in the PRIDE Index for LGBT initiatives |
| November 2018 | Awarded “Service Category Special Prize” at World Emission Competition 2018 Acquired Privacy Mark certification |
| April 2019 | Completed major funding round, increasing capital to 977.94 million yen |
| November 2019 | Rebranded “Omotenashi Telephone” to “Kaikura” customer touchpoint cloud |
Innovation & Development
| February 2020 | Obtained patent for SMS transmission technology on Kaikura (Patent No. 6667683) |
| December 2020 | Completed funding round, increasing capital to 1,377.98 million yen |
| May 2021 | Relocated headquarters back to Chiyoda, Tokyo |
| July 2022 | Established Osaka Branch in Suita City |
| December 2022 | Opened Fukuoka Development Center |
| May 2023 | Opened Kyoto Development Center |
| January 2025 | Launched “Kaikura Phone” cloud telephony service |