| 1989-03 |
Established "Daimoto Sunmark Inc." (Address: 1-15-19 Mihama-cho, Okayama City, Okayama Prefecture, for restaurant management, Capital: 3 million yen). |
| 1989-03 |
Established Daigen Sunmarc Co., Ltd. (Address: 1-15-19 Mihama, Okayama City, Okayama Prefecture, with the purpose of restaurant management, capital of 3 million yen). |
| 1989-04 |
Daimoto Sunmark Inc. opened its first Western-style restaurant "Bakery Restaurant Sunmark" (direct management) in Okayama City, Okayama Prefecture, taking over from Shintani Seika Co., Ltd. |
| 1990-07 |
Daimoto Sunmark Inc. changed its trade name to "Sunmark Inc." |
| 1991-04 |
Sunmark Inc. relocated its headquarters to 173 Hirata, Okayama City, Okayama Prefecture (current location). |
| 1991-07 |
Established Decor Co., Ltd. (now Sunmark Holdings Inc.) in Kurashiki City, Okayama Prefecture, for interior coordination and non-life insurance agency business. |
| 1991-07-19 |
Established |
| 1991-12 |
Sunmark Inc. absorbed Kurashiki Sunmark Inc. and took over the operation of "Bakery Restaurant Sunmark Kurashiki Branch" (changed to franchise store in January 1997). |
| 1994-04 |
Sunmark Inc. merged with Sunmark Inc. (established December 6, 1977, originally called Rakushika Sales, renamed to Sunmark Inc. on August 26, 1993) to change the face value of shares from 50,000 yen to 500 yen. |
| 1995-12 |
Sunmark Inc. registered its shares on the over-the-counter market with the Japan Securities Dealers Association. |
| 1998-02 |
Discontinued interior coordination business. |
| 1998-05 |
Sunmark Inc. established a subsidiary "Saint Marc Cayman". |
| 1998-06 |
Relocated headquarters to Okayama City, Okayama Prefecture. |
| 1999-03 |
Transferred operations related to the solicitation of non-life insurance and life insurance to Sunmark Inc. |
| 1999-03 |
Sunmark Inc. opened its first directly managed coffee shop "Sunmark Cafe" in Chuo-ku, Tokyo. |
| 1999-11 |
Sunmark Inc. opened its first franchise store of high-end conveyor sushi "Sushidokoro Hakodate Market" in Kurume City, Fukuoka Prefecture. |
| 2002-04 |
Sunmark Inc. listed its shares on the Second Section of the Tokyo Stock Exchange. |
| 2002-07 |
Sunmark Inc. acquired all shares of Prime Time Inc. |
| 2002-10 |
Sunmark Inc. opened its first Western-style restaurant "Bakery Restaurant Baguette" in Itami City, Hyogo Prefecture. |
| 2003-03 |
Sunmark Inc. listed its shares on the First Section of the Tokyo Stock Exchange. |
| 2003-03 |
Maruk Corporation liquidates its subsidiary "Saint Marc Cayman". |
| 2004-10 |
Maruk Corporation opens its first directly managed spaghetti restaurant "Fresh Noodle Workshop Kamakura Pasta" in Okayama City, Okayama Prefecture. |
| 2005-11 |
Maruk Corporation changes its trade name to Maruk Holdings. |
| 2005-12 |
Maruk Corporation acquires Prime Time Corporation through absorption-type merger. |
| 2005-12 |
Maruk Corporation delists from the First Section of the Tokyo Stock Exchange. |
| 2006-01 |
Maruk Corporation exchanges shares and makes the company a wholly owned subsidiary. |
| 2006-01 |
Listed on the First Section of the Tokyo Stock Exchange. |
| 2006-03 |
Maruk Corporation implements a company split to absorb management functions, store development functions, business and product development functions, education functions, and other functions of the holding company, and to split off business divisions by industry. |
| 2006-09 |
Opens its first directly managed Canton Fried Rice Restaurant in Itami City, Hyogo Prefecture. |
| 2007-12 |
Opens its first directly managed Kobe Motomachi Doria restaurant in Okayama City, Okayama Prefecture. |
| 2008-04 |
Splits off the Canton Fried Rice Restaurant business and establishes Canton Fried Rice Restaurant Corporation. |
| 2008-07 |
Canton Fried Rice Restaurant Corporation changes its trade name to Maruk China Corporation. |
| 2008-08 |
Opens its first directly managed Kurashiki Coffee Shop in Minato City, Tokyo. |
| 2015-04 |
Splits off the Doria restaurant business to establish Kobe Motomachi Doria Corporation, and splits off the full-service coffee shop business to establish Kurashiki Coffee Corporation. |
| 2020-03 |
Maruk Holdings merges with Maruk China Corporation. |
| 2022-04 |
Due to a review of market classifications by the Tokyo Stock Exchange, the company moves from the First Section to the Prime Market. |
| 2022-07 |
Maruk Holdings merges with Maruk Corporation, Hakodate Market Corporation, and Baguette Corporation. |
| 2022-12 |
Maruk Holdings acquires all shares of La Madrague Corporation and makes it a wholly owned subsidiary. |
| 2024-04 |
Maruk Holdings merges with Kurashiki Coffee Corporation. |
| 2024-11 |
Maruk Holdings acquires all shares of G-Holdings Corporation and makes it a wholly owned subsidiary. |
| 2024-12 |
Sunmarc Holdings Co., Ltd. acquires all shares of B-Grade Gourmet Research Institute Holdings Co., Ltd. and BQ International Co., Ltd., making them wholly owned subsidiaries. |
| 2026-05 |
Relocated to Kyoto City, focusing on core business functions such as product development, store development, and sales-related departments of various business companies, establishing the 'Kyoto Headquarters'. |