| 1956-07 |
July 1956 Establishment of Okinawa Bank Inc. |
| 1956-07 |
Established Okinawa Bank Co., Ltd. |
| 1979-10 |
October 1979 Establishment of Okinigin Lease Inc. |
| 1979-10 |
Established Okinigin Lease Co., Ltd. |
| 1982-12 |
December 1982 Establishment of Okinigin Guarantee Co., Ltd. |
| 1982-12 |
Established Okinigin Guarantee Co., Ltd. |
| 1985-04 |
April 1985 Establishment of Okinigin Business Service Co., Ltd. |
| 1985-04 |
Established Okinigin Business Service Co., Ltd. |
| 1987-10 |
October 1987 Okinawa Bank listed on the Second Section of the Tokyo Stock Exchange and the Fukuoka Stock Exchange |
| 1987-10 |
Okinawa Bank listed on the Tokyo Stock Exchange Second Section and Fukuoka Stock Exchange |
| 1987-11 |
November 1987 Establishment of Okinigin JCB Co., Ltd. |
| 1987-11 |
Established Okinigin JCB Co., Ltd. |
| 1989-09 |
September 1989 Okinawa Bank listed on the First Section of the Tokyo Stock Exchange |
| 1989-09 |
Okinawa Bank listed on the Tokyo Stock Exchange First Section |
| 1990-12 |
December 1990 Establishment of Okinigin System Service Co., Ltd. (now Okinigin System Solutions Inc.) |
| 1990-12 |
Established Okinigin System Service Co., Ltd. (now Okinigin System Solutions Co., Ltd.) |
| 2004-01 |
January 2004 Establishment of Okinigin Economic Research Institute |
| 2004-01 |
Established Okinigin Economic Research Institute |
| 2005-01 |
January 2005 Okinigin System Service Co., Ltd. changed its trade name to Okinigin S.P.O. Co., Ltd. (now Okinigin System Solutions Inc.) |
| 2005-01 |
Changed the trade name of Okinigin System Service Co., Ltd. to Okinigin S.P.O. Co., Ltd. (now Okinigin System Solutions Co., Ltd.) |
| 2014-11 |
November 2014 Establishment of Chura Island Debt Collection Co., Ltd. |
| 2014-11 |
Established Chura Island Claims Collection Co., Ltd. |
| 2017-03 |
March 2017 Acquired all shares of Okinawa Securities Co., Ltd. (now Okinigin Securities Co., Ltd.) |
| 2017-03 |
Acquired all shares of Okinawa Securities Co., Ltd. (now Okinigin Securities Co., Ltd.) |
| 2021-03 |
March 2021 Formulation of Okinigin Group SDGs Declaration |
| 2021-03 |
Formulated Okinigin Group SDGs Declaration |
| 2021-06 |
June 2021 Establishment of Mirai Okinawa Co., Ltd. |
| 2021-06 |
Established Mirai Okinawa Co., Ltd. |
| 2021-10 |
October 2021 Establishment of Okinawa Financial Group Inc. (transition to a holding company system) |
| 2021-10 |
Established Okinawa Financial Group Co., Ltd. (transitioned to a holding company system) |
| 2021-10 |
Listed on the Tokyo Stock Exchange First Section and Fukuoka Stock Exchange Main Market |
| 2021-10 |
Establishment of Okinawa Financial Group, Inc. |
| 2021-10 |
Listed on the Tokyo Stock Exchange First Section and Fukuoka Stock Exchange Main Market. |
| 2021-10 |
Launched the 1st Medium-Term Business Plan (October 2021 - March 2024) |
| 2022-04 |
April 2022 Transition from the Tokyo Stock Exchange First Section to the Prime Market due to review of market classification |
| 2022-04 |
Review of the market classification of the Tokyo Stock Exchange and transition from the First Section to the Prime Market |
| 2022-04 |
Moved from the First Section to the Prime Market due to a market classification review by the Tokyo Stock Exchange. |
| 2022-04 |
Launched the 2nd Medium-Term Business Plan (April 2024 - March 2027) |
| 2024-04 |
April 2024 Start of the Second Medium-Term Management Plan (April 2024 - March 2027) |
| 2024-04 |
Start of the Second Medium-Term Management Plan (April 2024 - March 2027) |
| 2024-05 |
Selected for Forbes' "WORLD’S BEST BANKS (Global Bank Rankings)" in May 2024 |
| 2024-05 |
Selected for Forbes "WORLD’S BEST BANKS (Global Bank Rankings)" |
| 2024-05 |
Selected as one of Forbes "WORLD'S BEST BANKS 2024". |
| 2025-03 |
Received the Minister of Regional Revitalization Award in March 2025, introduced Employee Stock Ownership Plan (ESOP Trust) |
| 2025-03 |
Received the Minister of State for Regional Revitalization Award and introduced an Employee Stock Ownership Plan (ESOP Trust) |
| 2025-03 |
Received the Minister of State for the Promotion of Overcoming Population Decline and Vitalizing Local Economy in Japan Award. Introduced an Employee Stock Ownership Plan (Employee ownership trust). |
| 2025-07 |
Established Okigin Success Partners Co., Ltd. in July 2025 |
| 2025-07 |
Establishment of Okinawa Ginko Success Partners Co., Ltd. |
| 2025-07 |
Establishment of Okinawa Ginko Success Partners Co., Ltd. |
| 2025-10 |
In October 2025, changed the trade name from Okigin S.P.O. Co., Ltd. to Okigin System Solutions Co., Ltd. |
| 2025-10 |
Name change of Okinawa Ginko S.P.O. to Okinawa Ginko System Solutions Co., Ltd. |
| 2025-10 |
Okinawa Ginko S.P.O. Co., Ltd. changes its name to Okinawa Ginko System Solutions Co., Ltd. |