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May 1997: TenArtni Inc. founded.
Tenartni Inc. established.
January 2002: Merger with Northern Lights Computer Inc.
Merged with Northern Lights Computer Inc.
August 2004: Listed on Tokyo Stock Exchange Mothers.
Listed on the Tokyo Stock Exchange Mothers market.
June 2006: Acquisition of SteelEye Technology, Inc. (now SIOS Technology Corp.)
Acquired SteelEye Technology, Inc. (now SIOS Technology Corp.).
November 2006: Company name changed to Sios Technology Inc.
Changed company name to Saiotechno Corporation.
February 2008: Acquisition of Gurujent Inc. as a subsidiary.
Made Glujent Inc. a subsidiary.
December 2009: Opening of Kansai branch office.
Opened Kansai branch office.
July 2013: Headquarters relocated to Minami-Azabu.
Moved headquarters to Minami-Azabu.
Opened Chubu branch office.
April 2014: Opening of Kyushu branch office.
Opened Kyushu branch office.
April 2015: Acquisition of Keyport Solutions Inc. as a subsidiary.
Made Keyport Solutions Inc. a subsidiary.
May 2015: Market change to Tokyo Stock Exchange Second Section.
Changed market to the Tokyo Stock Exchange Second Section.
June 2015: Establishment of BayPOS joint venture.
Established BayPOS joint venture company.
October 2015: Acquisition of Profit Cube Inc. as a subsidiary.
Made Profit Cube Inc. a subsidiary.
October 2017: Transition to a holding company structure with Sios Inc. as the holding company, resulting in the spin-off of Sios Technology Inc. as a business company.
In the transition to a management structure with Saios Corporation as a holding company, Saiost Technology Co., Ltd. was split off as a business company.
December 2018: Saiotechno Corporation absorbed and merged with Thirdware Inc.
Saiost Technology Co., Ltd. absorbed and merged with Thirdware Co., Ltd.
October 2020: Saiotechno Corporation absorbed and merged with Glujent Inc. and Keyport Solutions Inc.
Saiost Technology Co., Ltd. absorbed and merged with GluJent Co., Ltd. and Keyport Solutions Co., Ltd.
April 2021: Saiotechno Corporation absorbed and merged with Profit Cube Inc.
Saiost Technology Co., Ltd. absorbed and merged with Profit Cube Co., Ltd.
April 2022: Transitioned to the Tokyo Stock Exchange Standard Market.
Transitioned to the Tokyo Stock Exchange Standard Market.
December 2024: Saiotechno Corporation transferred its Profit Cube business to Sumitomo Mitsui Trust SBI Net Bank Inc.
Saiost Technology Co., Ltd. transferred its Profit Cube business to Sumishin SBI Net Bank Co., Ltd.
September 2025: Sandiblu Inc. established.
Establishment of Sandiburu Co., Ltd.
Sios Inc. entered the 2026 IR Excellence Award, hosted by the Japan IR Association, for the first time and received the “Empathy!” IR Award selected by voting. Of the 359 companies that applied, 238 entered, and 23 were selected.
Revenue was ¥16,504 million, up 21.3% year over year. Operating income was ¥200 million, ordinary income was ¥200 million, and net income attributable to owners of the parent was ¥249 million. Total assets were ¥9,325 million, net assets were ¥2,017 million, and the equity ratio was 20.5%.
The consolidated sales for Q3 of the 2026 December fiscal year were 16,504 million yen, a 21.3% increase year-over-year. However, consolidated operating profit remained at 200 million yen, a 32.4% decrease year-over-year.
Sios Inc. revised its earnings forecast on November 12, 2026. Revenue was increased to 2,100 million yen, a 5% rise from the previous forecast, while operating profit fell sharply from 450 million yen to 210 million yen (-53.3%). Ordinary profit also decreased to 270 million yen (-47.1%), and net income attributable to shareholders of the parent company was 170 million yen (-54.1%).
Sios Corporation announced an expansion of its shareholder benefit program. Shareholders holding 200 or more shares for more than one year will receive benefits worth 4,000 yen for holdings under 400 shares and 8,000 yen for holdings of 400 shares or more. Shareholders holding fewer than 200 shares will not receive any benefits.
Sios Inc. will hold its earnings presentation for the third quarter of the fiscal year ending December 2026 on November 13, 2026 from 10:00 to 11:00 AM. The presentation will be live-streamed via Zoom webinar and is intended for institutional investors and analysts.
Sios Technology Inc. signed a partnership agreement with Solace to accelerate the deployment of a real-time data platform. The partnership will support enterprise data integration and modernization of AI-driven systems, effective August 25, 2026.
Sios Corporation exhibited at the Nikkei–TSE IR Fair 2026 at Tokyo Big Sight on August 28 and 29, 2026. Its booth offered brief company presentations and Q&A sessions for individual investors, as well as giveaways.
Sios Corporation will hold an online company briefing for individual investors on August 25, 2026. The briefing will include an overview of the company and a Q&A session. The target audience is individual shareholders and investors, and prior registration is required to participate.
Sios Technology will start offering a new product in the IDaaS 'Gluegent Gate' as 'Gluegent Gate CIAM B2B' for inter-company transactions from August 1, 2026. This product enhances ID management and authentication for supply chain partners and complies with the security evaluation system for supply chain strengthening scheduled for the end of fiscal year 2026.