May-97

Founded in Omori, Ota-ku, TOKYO

Oct-97

Released Entered DivaSystem v1

Aug-99

Opened Osaka branch at Nishitenma, Kita-ku OSAKA

Sep-01

Headquarter relocated to Kamata, Ota-ku TOKYO

Jun-02

Launched consolidation accounting operation courses for accounting professionals

Jan-04

Launched consolidation accounting operations outsourcing service

Nov-05

Osaka branch relocated to Dojima, Kita-ku OSAKA

Feb-07

Listed at Hercules Nippon New Market, Osaka Stock Exchange (OSE). Present Listed at JASDAQ Tokyo Stock Exchange Regulation

Aug-07

Users of DivaSystem reached 500

Oct-08

Founded DIVA CORPORATION OF AMERICA

Opened Nagoya office as Meieki, Nakamura-ku NAGOYA

Nov-09

Acquired 100% share of Internet Disclosure Co., Ltd.

Nov-10

Headquarter relocated to Shinagawa

Aug-11

Established DIVA BUSINESS INNOVATION Corporation as subsidiary

Jul-12

Signed the final agreement to acquire the information system business from the former Zeal Corporation (currently DHI Co., Ltd.)

Oct-12

Closed the acquisition successfully and new Zeal Corporation as Diva's 100%-owned subsidiary commenced its operation.

Oct-13

Changed the trade name from DIVA CORPORATION to AVANT CORPORATION

Established new DIVA CORPORATION as a result of the Incorporation-type company split

Jun-16

DIVA BUSINESS INNOVATION Corporation merged with DIVA CORPORATION

Aug-17

FIERTE Corporation is established from DIVA Corporation by the Company Split

Sep-17

Change the Market Listing to the Second Section of the Tokyo Stock Exchange

Mar-18

Change the Market Listing to the First Section of the Tokyo Stock Exchange

Dec-12

DivaSystem clients base exceeded 1,000 companies

Mar-21

Signed capital and business alliance with Metapraxis Limited of UK

Apr-22

Shifted from the First Section to the Prime Market due to the revision of the market classification of the Tokyo Stock Exchange

Oct-22

Following a reorganization, the company's name was changed to AVANT GROUP CORPORATION