| November 2001 | Established Drecom Ltd. in Minami-ku, Kyoto. Main business is the free self-introduction tool "My Profile" and contract development | 
| August 2002 | Head Office moved to Shimogyo-ku, Kyoto City, Kyoto Prefecture | 
| March 2003 | Reorganization into a stock company | 
| July 2003 | Renewed "My Profile" and started providing free blog service for individuals | 
| December 2003 | Launched "My Blog List," a service that allows users to receive updates on their registered blogs | 
| March 2004 | Launched "MyClip," a service for bookmarking blogs and news | 
| July 2004 | Launched "Drecom Blog System" | 
| August 2004 | Opened Tokyo Branch in Toranomon, Minato-ku, Tokyo | 
| September 2004 | Commenced sales of "Drecom Blog Office," an in-house blog system | 
| September 2004 | Renewal of "My Profile" to "Drecom Blog" | 
| January 2005 | Established Drecomtec Corporation in Kusatsu City, Shiga Prefecture, a subsidiary whose main business was the research and development of search engines | 
| April 2005 | Launched "Drecom Career," a job information search service | 
| July 2005 | Tokyo Branch moved to Mita, Minato-ku, Tokyo | 
| September 2005 | Launched "Drecom CMS," a system for building and managing corporate websites | 
| December 2005 | Launched "Drecom RSS," a service that supported the collection and dissemination of news information using RSS readers | 
| February 2006 | Listed on the Mothers section of the Tokyo Stock Exchange | 
| April 2006 | Tokyo Branch moved to Ebisu, Shibuya-ku, Tokyo | 
| June 2006 | The Drecom blog business and category-specific search service business divisions were split off and transferred to a newly established subsidiary, Drecom Generated Media Co. | 
| August 2006 | Head Office integrated into Tokyo Branch | 
| September 2006 | Formed a business alliance with The Bank of Tokyo-Mitsubishi UFJ, Ltd. on cards for sole proprietors and small and medium-sized businesses | 
| October 2006 | NEC Corporation and NEC Nexsolutions, Ltd. to collaborate on Internal Blog System Business | 
| December 2006 | Acquired Drecom Marketing Inc. from Hikari Tsushin Group | 
| March 2007 | Launched "Space Hunter", an ad marketplace service, and entered the Internet advertising business | 
| April 2007 | Acquired shares of J-Ken Corporation and made it a subsidiary | 
| August 2007 | Announced a capital and business alliance with NEC Nexsolutions, Ltd. | 
| April 2008 | Announced a capital and business alliance with Rakuten, Inc. | 
| June 2008 | Launched Rakuten ad4U, a behavioral targeting advertising service, in collaboration with Rakuten, Inc. | 
| August 2008 | Head Office moved to Takadanobaba, Shinjuku-ku, Tokyo | 
| October 2008 | Launched Kisekae Builder, a cell phone Kisekae content creation service | 
| May 2009 | Merged with subsidiary J-Ken Co. | 
| May 2009 | Opened "Collect and Banner", a banner submission site for mobile advertising | 
| July 2009 | Launched "poncan," a point advertising service for mixi applications | 
| August 2009 | Commenced offering the mixi app "Correspondence Brain Power University - Kanji Test" | 
| October 2009 | Announced the transfer of the blog package business for corporations and the free blog service "Drecom Blog" business for individuals to Livedoor Inc. | 
| October 2009 | Launched "Uma Racing" and four other applications for the mobile version of mixi app | 
| December 2009 | Began collaboration with Crowdstar International Ltd. of the U.S., a provider of social games on Facebook, and began offering "Happy Aquarium" provided by Crowdstar in Japan | 
| January 2010 | Launched three social game titles for Mobage Town | 
| June 2010 | Launched two social game titles for GREE | 
| September 2010 | Started collaboration with Five Minutes, China | 
| September 2010 | Announced the transfer of subsidiary ZIGExN Co., Ltd. to ZIGExN Holdings | 
| October 2010 | Announced the transfer of subsidiary Drecom Marketing Inc. to Alibaba Marketing Inc. | 
| December 2010 | Launched the social game "Onmyoji: Heian Yokitan" for GREE | 
| April 2011 | Launched "poncan" as a service for smartphones | 
| January 2011 | Started providing the social game "Chokotto Farm" for GREE | 
| April 2011 | Started providing the social game "Sword x Sword" for GREE | 
| April 2011 | Started providing the social game "Bikkuri Man" for GREE | 
| April 2011 | Launched the social game "Yankee Legend" for GREE | 
| April 2011 | Launched "poncan for Smartphone," a rewarded advertising service for smartphones | 
| July 2011 | Launched "PASHA," a photo communication application for iPhone | 
| August 2011 | Announced a business alliance with mixi Inc. Rewarded advertising service "poncan" was provided as mixi's official rewarded advertising | 
| November 2011 | Launched mixi's official reward advertising service "mixi Point Plus," which used the reward advertising service "poncan" | 
| March 2012 | Entered the social learning business by launching the social learning platform "smacolo" and the English listening learning application "Listen and Grow English Eitama" | 
| March 2012 | Transferred the mobile content business to CA Mobile Inc. | 
| March 2012 | Acquisition of Snout Sdn. Bhd from Snout Co. Became a subsidiary | 
| April 2012 | Moved the head office to Shimomeguro, Meguro-ku, Tokyo | 
| April 2012 | Launched "Spirit Force," the first native-app social game | 
| April 2012 | Launched "Monster Arms", a real-time strategy social card game | 
| May 2012 | Launched "Maple Story Brave Monsters" in collaboration with Nexon Corporation | 
| May 2012 | Launched social card game "Sengoku Frontier" | 
| June 2012 | Launched the social card game "Secret Yokai Taisen" | 
| July 2012 | Transferred ASP business to Stock Social Groupware via company split | 
| July 2012 | Launched the social card game "Dragon x Dreizen" | 
| July 2012 | Launched social learning app "Gurutan: Around the World with English Vocabulary" | 
| July 2012 | Launched the social game "Together with You 2" | 
| July 2012 | Launched the social card game "Jeanne d'Arc of the Holy Hour" | 
| August 2012 | Launched social card game "Reclaim! Mappa Mundi" | 
| August 2012 | Launched the social card game "Sangoku Frontier" | 
| September 2012 | Launched the social game "Chokotto Farm" for smartphones | 
| September 2012 | Launched two social game titles, "Cinderella Nine" and "Himegami Blade", in collaboration with Akatsuki Co. | 
| October 2012 | Launched social game "Chronos Future Warfare" in collaboration with f4samurai Inc. | 
| November 2012 | Launched the social game "Purgatory Crusade" in collaboration with Entersphere Inc. | 
| November 2012 | Launched the social card game "Reign of Dragons" in the U.S. | 
| January 2013 | Launched the social game "Gildian Brave" in collaboration with Bar Styles Inc. | 
| January 2013 | Transferred Snout Sdn. Bhd, a subsidiary in Malaysia | 
| March 2013 | Launched the social game "SENGOKU BUSOU HIME -MURAMASA-" in collaboration with Silicon Studio Inc. | 
| April 2013 | Launched the iOS version of social learning app "Eipontan!" | 
| September 2013 | Started providing the iOS version of the social game application "Fantasista Doll Girls Royale" | 
| October 2013 | Started providing the Android version of the social game application "Fantasista Doll Girls Royale" | 
| December 2013 | Launched the Android version of social learning app "Eipontan!" | 
| January 2014 | Launched the iOS version of the social game application "Full Bokko Heroes" in collaboration with CyberConnect2 Inc. | 
| February 2014 | Launched the Android version of the social game application "Full Bokko Heroes" in collaboration with CyberConnect2 Inc. | 
| February 2014 | Launched "HeatAppReward," a performance-based advertising service for smartphones | 
| February 2014 | Launched "Flying Gacha," a pre-registration media site for smartphone applications | 
| March 2014 | Social game app "JoJo's Bizarre Adventure Stardust Shooters" (Drecom: development cooperation) iOS/Android version was released by BANDAI NAMCO Entertainment Inc. | 
| April 2014 | Conducted a 1:100 stock split | 
| April 2014 | Launched social game "Reign of Dragons" in Chinese market in collaboration with Access Bright Inc. | 
| May 2014 | Social game app "ONE PIECE Treasure Cruise" (Drecom: development cooperation) iOS/Android version started from BANDAI NAMCO Entertainment Inc. | 
| August 2014 | Implemented "Startup Boarding Gate" incubation program for students | 
| September 2014 | Social learning business was spun off and ReDucate, Inc. was established as a joint subsidiary with Rakuten, Inc. | 
| October 2014 | Launched the iOS version of the DropComics manga app | 
| November 2014 | Drecom and Mobimon Inc. launched social game "Full Bokko Heroes" for iOS and Android in the Chinese market | 
| December 2014 | Launched "poncan Video Ads," a video delivery advertising network, on "Tmall Video for SoftBank" provided by SoftBank Mobile Corp. | 
| February 2015 | BANDAI NAMCO Entertainment Inc. launched social game app "ONE PIECE Treasure Cruise" (Drecom: development cooperation) for iOS/Android version in North America, Europe and Australia | 
| February 2015 | Launched "poncan Video Ads", a video delivery advertising network, on "Oki Doki Land", a point benefit site operated by JCB Co. | 
| April 2015 | Subsidiary Grimoire Inc. launched social game application "Brave Sword x Blaze Soul" for iOS and Android | 
| April 2015 | Social game app "Cliffhanger Busters" for iOS and Android launched | 
| August 2015 | Video ad network "poncan Video Ads" renewed as "DreeVee" | 
| October 2015 | Subsidiary ReDucate, Inc. launched social learning app "Kikoeigo" for iOS and Android | 
| December 2015 | Launched social game "Chokotto Farm" on "Ameba" for smartphones | 
| March 2016 | Subsidiary ReDucate Inc. started offering "Eipontan for students", a subscription service for students | 
| March 2016 | Launched PlanB, a dining concierge service | 
| April 2016 | Launched iOS version of "Clip" bartering application | 
| May 2016 | Subsidiary ReDucate Inc. increased its capital through a third-party allotment to Rakuten, Inc. and Drecom. ReDucate Inc. changed from a consolidated subsidiary to an equity method affiliate | 
| June 2016 | Launched "AsobiFest," a free marketing platform | 
| July 2016 | Established a subsidiary, Drecom Okinawa Inc. in Naha City, Okinawa Prefecture, to provide customer support and debugging services | 
| October 2016 | Launched the iOS version of the live communication app "Pass!" Transferred subsidiary Grimoire Inc. to Happy Elements Inc. | 
| November 2016 | Launched social game app "Derby Stallion Masters" for iOS and Android | 
| March 2017 | Raised funds through public offering of new shares | 
| March 2017 | Capital increase through third-party allotment to Rakuten, Inc. | 
| April 2017 | Conducted stock split at a ratio of 2-for-1 | 
| July 2017 | "Mingol" (distributed by ForwardWorks Co., Ltd.) launched | 
| July 2017 | BANDAI NAMCO Entertainment Inc. launched the social game app "Weekly Shonen Jump Ore Collection! "(Drecom: development cooperation) for iOS and Android | 
| August 2017 | Jointly established BXD Inc. with BANDAI NAMCO Entertainement Inc. to develop "enza" | 
| November 2017 | Kindle Fire version of "Mingol" (distributed by ForwardWorks Co., Ltd.) launched | 
| December 2017 | "Kirara Fantasia" (distributed by Aniplex Corp.) launched | 
| December 2017 | "WOFF Merimero" (distributed by Square Enix Co., Ltd.) launched | 
| April 2018 | "enza," a new browser game platform for smartphones developed and operated by BXD Co., launched | 
| April 2018 | "THE iDOLM@STER SHINY COLORS" (distributed by BANDAI NAMCO Entertainement Inc.) launched | 
| July 2018 | "Dragon Ball Z Butchigiri Match" (distributed by BANDAI NAMCO Entertainement Inc.) launched | 
| July 2018 | Launched LoveChain, a blockchain service | 
| August 2018 | Announced AROW, a platform for building AR smartphone applications using location information and 3D maps | 
| September 2018 | ERC721 extended smart contract "|||||| (6 pillars)" launched | 
| September 2018 | Dissolved the capital and business alliance with Rakuten, Inc. | 
| December 2018 | "Animal Run Land," a trial location based game developed using AROW, launched | 
| February 2019 | "PROFESSIONAL BASEBALL Famista Master Owners"  (distributed by BANDAI NAMCO Entertainment Inc.) launched | 
| March 2019 | iOS and Android version of "THE iDOL M@STER SHINY COLORS" (distributed by BANDAI NAMCO Entertainment Inc.) launched | 
| August 2019 | "Super Robot Wars DD" (distributed by BANDAI NAMCO Entertainment Inc.) launched | 
| November 2019 | "Ore Collection 2" (distributed by BANDAI NAMCO Entertainment Inc.) launched | 
| November 2019 | "Disgaea RPG" (distributed by ForwardWorks Co.) relaunched | 
| February 2020 | Selected as a loan trading issue | 
| February 2020 | Transfer of  a subsidiary, Drecom Okinawa,  to Wit One Inc. | 
| March 2020 | Acquired Studio King Inc. from Ignis Inc. and rebranded to Studio Rex inc. | 
| March 2020 | "NARUTO X BORUTO Ninja TRIBES" (distributed by BANDAI NAMCO Entertainment Inc.) launched | 
| March 2020 | Sold all shares of BXD Inc. to BANDAI NAMCO Entertainment Inc. | 
| December 2020 | Launched stress test service utilizing the management experience of large-scale service developments and operations | 
| January 2021 | Launched Twitter based fan community promotion service "Rooot" | 
| June 2021 | Relocate the head office to the ThinkPark Tower in Osaki, Shinagawa, Tokyo | 
| July 2021 | Expanded stress test service and began offering new vulnerability testing service and design advisory service | 
| September 2021 | Launched smart phone game app "D_CIDE TRAUMEREI" (co-development by Drecom) for iOS/Android from Sumzap, Inc. | 
| February 2022 | Transfer of game division's quality control section to Digital Hearts Co., Ltd. based on company split | 
| February 2022 | Launched smart phone game app "Miko Note" for iOS/Android | 
| February 2022 | Launched smart phone game app "New Japan Pro-Wrestling: Strong Spirits" (co-development by Drecom) for iOS/Android from Bushiroad Inc. | 
| April 2022 | Due to the update with Tokyo Stock Exchange's market categorization, company's listing transferred from TSE Mothers to Growth Market | 
| October 2022 | Light Novel lable  "DRE NOVELS" published by the Publishing/Film Business brand "Drecom Media" | 
| March 2023 | Launched co-op competitive action game app "GGGGG" for iOS/Android | 
| July 2023 | Launched YouTube-based fan community & UGC promotion service "Fanflu" | 
| October 2023 | Comic label "DRE COMICS" published by the Publishing/Film Business brand "Drecom Media" | 
| November 2023 | Webtoon label "DRE STUDIOS" published by the Publishing/Film Business brand "Drecom Media" | 
| December 2023 | Launched cloud-based stress test tool "Mx.Load" | 
| January 2024 | Opened Drecom's official online store "DRECOM SHOP" | 
| February 2024 | Launched game and web development/operation support service "Mx.MSP" | 
| March 2024 | Launched blockchain game "Eternal Crypt - Wizardry BC -" for PC (browser)/iOS/Android in collaboration with Turingum K.K. (distributed by ZEAL NOVA DMCC) | 
| March 2024 | Launched TikTok based fan community & UGC promotion service "TikPuls" | 
| June 2024 | Launched smart phone game app "Devil Prince and the Puppet" for iOS/Android | 
| October 2024 | Launched smart phone game app "Wizardry Variants Daphne" for iOS/Android |