- November 2012
- Gunosy Inc. established in Roppongi, Minato-ku, Tokyo
- January 2013
- Gunosy released
- November 2013
- Delivery of Gunosy Ads begins
- November 2013
- Head office relocated to Shiba, Minato-ku, Tokyo
- June 2014
- Gunosy Ad Network launched
- August 2014
- Downloads of Gunosy exceed 5 million
- December 2014
- Head office relocated to Roppongi, Minato-ku, Tokyo
- April 2015
- Listed on the Mothers Section of the Tokyo Stock Exchange
- June 2015
- Downloads of Gunosy exceed 10 million
- December 2015
- Game8 Inc. became subsidiary
- June 2016
- News Pass released
- May 2017
- LUCRA released
- July 2017
- Downloads of Gunosy exceed 20 million
- November 2017
- Downloads of News Pass exceed 5 million
- December 2017
- Changed markets from Mothers Section to First Section of the Tokyo Stock Exchange
- July 2018
- Established VIDPOOL Inc., a joint venture with CyberAgent, Inc.
- July 2018
- Established subsidiary, Gunosy Capital Pte. Ltd. in Singapore
- August 2018
- Established LayerX Inc., a joint venture with AnyPay Inc.
- December 2018
- Gunosy Sports released
- March 2019
- iOS version of Otokul released
- July 2019
- Downloads of Gunosy exceed 30 million
- July 2019
- Downloads of News Pass exceed 10 million
- July 2019
- Android version of Otokul released
- August 2019
- Sold a part of the stocks of LayerX Inc. and excluded from subsidiary
- October 2019
- Head office relocated to Akasaka, Minato-ku, Tokyo
- December 2019
- Established Grill Inc., a joint venture with SUNNY SIDE UP Inc.
- February 2020
- Downloads of News Pass exceed 12 million
- March 2020
- Downloads of Gunosy exceed 35 million
- April 2021
- au Service Today released
- May 2021
- Head office relocated to Shibuya, Shibuya-ku, Tokyo
- June 2021
- YOU IN released
- July 2021
- Downloads of Gunosy exceed 40 million
- October 2021
- Established subsidiary, Gunosy Capital Co., Ltd.
- April 2022
- Established Gunosy Investment Limited Partnership
- April 2022
- Moved from the First Section to the Prime Market of the Tokyo Stock Exchange
- April 2022
- Investee "slice" (GaragePreneurs Internet Pvt. Ltd.) became an equity-method affiliate
- February 2023
- LUCRA service discontinued
- November 2023
- "Udekiki," a generative AI service specialized in business support, released
- April 2024
- YOU IN service discontinued
- January 2025
- Investee "slice" launched as a fintech bank, "slice Small Finance Bank," in India
- March 2025
- "IR Hub," a generative AI service supporting disclosure operations, released
- April 2025
- Service name changed from "News Pass" to "News Light"
- May 2025
- G Holdings Inc. became a wholly-owned subsidiary
- May 2026
- Moved from the Prime Market to the Standard Market of the Tokyo Stock Exchange
