History up to today
| 12 | Ryoichi Komiyama founded Komiyama Tax Accounting Office (Komiyama & Co.) | |
| 10 | Established IGI K.K. | |
| 1 | Established Komiyama CPA office and jointed Komiyama & Co. | |
| 4 | Ryoichi Komiyama became chairman Mitsuru Komiyama became managing partner |
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| 11 | Moved to Roppongi Tokyo | |
| 1 | Established Azabu partners tax and accounting company | |
| 4 4 |
Celebrated the 50th anniversary of Komiyama & Co. Established Azabu Partners Social Insurance and Labor Consultant Corporation |
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| 8 | Certified as a business innovation support agency | |
| 4 | Keiko Komiyama became partner | |
| 7 | Opened Kudan branch | |
| 6 | Celebrated the 50th anniversary of Komiyama & Co. | |
| 8 | Registered with an M&A support organization | |
| 11 | Mitsuru Komiyama has been awarded the Order of the Rising Sun, Gold and Silver Rays | |
| 2 4 |
Celebrated the Honorable Award for Mitsuru Komiyama Mitsuru Komiyama attended the spring garden party at the invitation of His Majesty the Emperor |
