| 1996-03 |
Established E&A Beauty Supply LLC in Higashi-Ikebukuro, Toshima-ku, Tokyo. |
| 1996-03 |
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| 1996-03 |
Establishment. |
| 2001-06 |
Opened 'VAMPIRE CAFE' in Ginza, Chuo-ku, Tokyo, and began restaurant operations. |
| 2002-12 |
Converted from LLC to Inc., changed the company name to 'Diamond Dining Inc.', and moved headquarters to Higashi-Ueno, Taito-ku, Tokyo. |
| 2002-12 |
Converted from a limited company to a corporation, changed the corporate name to Diamond Dining Co., Ltd., and relocated headquarters to Higashi-Ueno, Taitō-ku, Tokyo. |
| 2005-03 |
Moved headquarters to Ginza, Chuo-ku, Tokyo. |
| 2006-10 |
Moved headquarters to Higashi-Shimbashi, Minato-ku, Tokyo. |
| 2007-03 |
Listed shares on the Osaka Securities Exchange Nippon New Market—'Heracles' (now JASDAQ). |
| 2008-06 |
Made Sampler Inc. a subsidiary. |
| 2008-12 |
Established Secret Table Inc. (100% owned subsidiary). |
| 2009-05 |
Established Golden Magic Inc. (now Diamond Dining Inc.) (100% owned subsidiary). |
| 2010-06 |
Established Tosa Company Co., Ltd. (joint venture). |
| 2010-09 |
Made Yoshida Usaburo Shoten Inc. (now DD Plus Inc.) a subsidiary. |
| 2010-10 |
Achieved 100 stores across 100 concepts through a multi-concept (individual store) strategy. |
| 2010-10 |
Transitioned listing market classification from Heracles (Growth) to JASDAQ (Standard) (now Tokyo Stock Exchange Standard Market). |
| 2011-06 |
Fully acquired Bugus Inc. (now Diamond Dining Inc.) and started the amusement business. |
| 2011-06 |
Moved headquarters to Nishi-Shimbashi, Minato-ku, Tokyo. |
| 2011-10 |
Established Diamond Dining International Corporation in the United States (100% owned subsidiary). |
| 2011-11 |
Diamond Dining International Corporation acquired DreamDining Honolulu LLC (operating the Japanese restaurant 'SHOKUDO' in Honolulu, Hawaii) as a subsidiary. |
| 2012-12 |
Established Diamond Dining International California LLC in the United States (100% owned subsidiary). |
| 2013-03 |
Absorbed Secret Table Co., Ltd. and transferred the food and beverage division of Bagu's Co., Ltd. to Diamond Dining Co., Ltd. through a corporate split. |
| 2013-03 |
Transferred 7 stores of Diamond Dining Co., Ltd. to Golden Magic Co., Ltd. |
| 2013-06 |
Renamed Dream Dining Honolulu LLC to Shokudo Japanese LLC. |
| 2013-11 |
Moved headquarters to Shiba, Minato-ku, Tokyo. |
| 2014-04 |
Made KOMARS F&B Pte. Ltd. (Singapore) (now Diamond Dining Singapore Pte. Ltd.) a wholly-owned subsidiary. |
| 2014-06 |
Renamed Dream Dining Honolulu LLC to Shokudo Japanese LLC. |
| 2014-10 |
Singapore subsidiary Komars F&B Pte. Ltd. changed its name to Diamond Dining Singapore Pte. Ltd. |
| 2014-10 |
Golden Magic Co., Ltd. (now Diamond Dining Co., Ltd.) acquired 8 stores from Hagiwara Trading Co., Ltd. and Thank You Ltd. |
| 2014-10 |
Moved from the JASDAQ Standard market to the Second Section of the Tokyo Stock Exchange. |
| 2014-11 |
Moved from the JASDAQ (Standard) market to the Second Section of the same exchange. |
| 2014-12 |
Diamond Dining International Corporation established Diamond Wedding LLC. |
| 2014-12 |
Acquired the Hawaii Wedding business from KNG Corporation and consolidated it as a subsidiary. |
| 2014-12 |
Diamond Dining International Corporation established Diamond Wedding LLC. and acquired the Hawaii Wedding business from KNG Corporation, making the latter a consolidated subsidiary. |
| 2015-03 |
Golden Magic Co., Ltd. (now Diamond Dining Co., Ltd.) acquired 13 stores through asset acquisition and transfer from Kansai Yōro Nōtaki, opening its first Kansai location, Kyushu Netchūya Jūsan LIVE, in Yodogawa-ku, Osaka. |
| 2015-06 |
Acquired 51% of The Sailing Co., Ltd. (now Diamond Dining Co., Ltd.) and consolidated it as a subsidiary. |
| 2015-06 |
Hawaii Wedding 'Cheers Wedding' began domestic orders. |
| 2015-07 |
Designated as a First Section (now Prime Market) listing from the Second Section of the Tokyo Stock Exchange. |
| 2015-07 |
Diamond Dining Singapore Pte. Ltd. acquired 60.0% of the issued shares of Diamond Dining Macau Limited and consolidated it as a subsidiary. |
| 2016-03 |
Invested in One Dining Project. |
| 2016-09 |
Zettun Co., Ltd. became an associate under the equity method. |
| 2017-03 |
Established a 100.0% invested company, Diamond Dining Split Preparation Company (now Diamond Dining Co., Ltd.), to transition to a holding company structure. |
| 2017-06 |
Zettun Co., Ltd. was consolidated as a subsidiary from an associate under the equity method. |
| 2017-06 |
Commercial Arts Co., Ltd. became a wholly-owned subsidiary. |
| 2017-09 |
Transitioned to a holding company structure and changed its corporate name to DD Holdings Inc. (now DD Group Inc.) |
| 2017-12 |
SLD Co., Ltd. became an associate company under the equity method. |
| 2018-04 |
Diamond Wedding LLC. established a joint venture CHEER (now MEA Co., Ltd.) in Japan with 100.0% investment. |
| 2018-11 |
Established Food Business Casting Co., Ltd. (now MEA Co., Ltd.) and DD Holdings Venture Capital Co., Ltd. as 100% owned subsidiaries. |
| 2019-03 |
SLD Co., Ltd. became a consolidated subsidiary. |
| 2019-03 |
DD Holdings Venture Capital Co., Ltd. established the DD Holdings Open Innovation Fund Investment LLC. |
| 2019-11 |
Announced acquisition of shares of Shonan Label Co., Ltd., acquisition of a stake in Sunny Side In LLC, and acquisition of assets (preferred investment securities). |
| 2020-09 |
Diamond Dining Co., Ltd. served as the surviving company in an absorption merger with four companies: Golden Magic Co., Ltd., Shōgyō Geijutsu Co., Ltd., Sampur Co., Ltd., and The Sailing Co., Ltd. |
| 2020-11 |
Due to Zenton Co., Ltd. conducting a third-party allotment of shares, our ownership percentage decreased, leading to exclusion from consolidation and classification as an associate under the equity method (in February 2022, we sold part of the shares and were excluded from consolidation). |
| 2021-08 |
Retreated from overseas food and beverage operations following the transfer of all shares of Diamond Dining International Corporation. |
| 2021-10 |
Diamond Dining Co., Ltd. served as the surviving company in an absorption merger with Baguess Co., Ltd. |
| 2023-02 |
MEA Co., Ltd. conducted a third-party allotment of shares, reducing our ownership percentage, resulting in exclusion from consolidation and classification as an associate under the equity method. |
| 2023-06 |
Changed corporate name to DD Group Inc. |
