Daiichi Information Systems Co., Ltd.

Daiichi Information Systems Co., Ltd. (株式会社第一情報システムズ, commonly abbreviated as DIS) is a Japanese information-technology services company headquartered in the Ebisu-Nishi district of Shibuya-ku, Tokyo. It was established in July 1972 in Nihonbashi, Chuo-ku, Tokyo under the name DKC Corporation (デイー・ケイ・シー株式会社) with capital of 10 million yen, and opened a Shibuya office in Sakuragaoka the same year. In October 1974 the company moved its head office to Ebisu-Minami, Shibuya-ku and changed its name to Daiichi Keisan Consultants Co., Ltd. (株式会社第一計算コンサルタント). It adopted its current name, Daiichi Information Systems, in April 1991. The company's core business is the provision of IT services to corporate and public-sector customers. Its service lines, as presented on its official website, cover application development, infrastructure platform construction, system operation and maintenance, IT solutions, and IT services. DIS positions itself as a long-term "best partner" to clients, emphasizing a management philosophy of "ensuring complete customer service" and a vision of pursuing "the provision of valuable services and the latest technology" through continuous challenge and change. DIS has a particularly strong track record in the financial sector. Its published case studies include AWS serverless web application development for a major financial institution, system development using the WebPerformer automatic web application generation tool for a major financial institution, 24/7 non-stop operation and monitoring of roughly 120 business systems for a major financial institution, network development and operations management for a major financial institution, and migration of on-premises VMware workloads to Amazon EC2 in AWS for a chemical manufacturer. It has also supported mainframe-to-open-system replacement of a core system for a public-sector organization and provided chatbot-based automation of administrative processing using Microsoft Azure services. The company has expanded through both organic growth and acquisitions. It merged with SSC Co., Ltd. in January 2001, acquired all shares of World Computer Center Co., Ltd. in October 2006 and integrated that company in July 2014, and acquired all shares of TBK System Engineering Co., Ltd. in December 2013. It obtained PrivacyMark certification in February 2006 and ISMS (ISO/IEC 27001) certification in November 2009, and switched from a specified worker dispatching undertaking to a general worker dispatching undertaking in November 2015. The company marked its 50th anniversary in July 2022 and continues to operate as a privately held Japanese IT services firm.

Daiichi Information Systems traces its origins to July 1972, when it was established in Nihonbashi, Chuo-ku, Tokyo as DKC Corporation (デイー・ケイ・シー株式会社) with capital of 10 million yen. A Shibuya office was opened in Sakuragaoka, Shibuya-ku in the same year. In September 1974 the head office was relocated to Ebisu-Minami, Shibuya-ku, integrating the Shibuya office, and in October 1974 the company changed its name to Daiichi Keisan Consultants Co., Ltd. (株式会社第一計算コンサルタント). Through the late 1970s and 1980s the company increased its capital several times: to 25 million yen in February 1977, 50 million yen in January 1982, 75 million yen in March 1986, and 100 million yen in March 1989. In April 1991 it adopted its present name, Daiichi Information Systems Co., Ltd. (株式会社第一情報システムズ). In January 1992 the DIS Kamakura Building was completed in Kamakura, Kanagawa Prefecture, and a Shonan office was opened there in February 1992. In February 1997 the DIS Ebisu Building was completed in Ebisu-Nishi, Shibuya-ku, and the head office was moved there in March 1997. In October 2000 capital was increased to 193 million yen. In January 2001 the company merged with SSC Co., Ltd. (株式会社エスエスシー) and increased capital to 204.5 million yen. Capital was raised again to 260 million yen in September 2005. In February 2006 the company was certified as a PrivacyMark licensee, and in October 2006 it acquired all shares of World Computer Center Co., Ltd. (ワールドコンピューターセンター株式会社). Capital reached 300 million yen in July 2008. In November 2009 the company obtained ISMS (ISO/IEC 27001) certification. In December 2013 it acquired all shares of TBK System Engineering Co., Ltd. (株式会社ティービーケー・システムエンジニアリング), and in July 2014 it integrated World Computer Center Co., Ltd. In November 2015 it obtained a general worker dispatching undertaking license, switching from a specified worker dispatching undertaking. In July 2022 the company marked the 50th anniversary of its founding. Its official history describes these 50 years as built on "change and challenge" and states that it will use the trust, knowledge, and technology accumulated over that period to create the next 50 years through further change and challenge. The company continues to operate from its head office in the DIS Ebisu Building in Ebisu-Nishi, Shibuya-ku, Tokyo, and remains active in application development, infrastructure construction, and system operation and maintenance, with a strong focus on financial-sector clients.

• Established in Nihonbashi, Chuo-ku, Tokyo as DKC Corporation with capital of 10 million yen; Shibuya office opened in Sakuragaoka.

• Head office relocated to Ebisu-Minami, Shibuya-ku, integrating the Shibuya office.

• Company name changed to Daiichi Keisan Consultants Co., Ltd.

• Capital increased to 25 million yen.

• Capital increased to 50 million yen.

• Capital increased to 75 million yen.

• Capital increased to 100 million yen.

• Company name changed to Daiichi Information Systems Co., Ltd.

• DIS Kamakura Building completed in Kamakura, Kanagawa Prefecture.

• Shonan office opened in Kamakura, Kanagawa Prefecture.

• DIS Ebisu Building completed in Ebisu-Nishi, Shibuya-ku.

• Head office relocated to the DIS Ebisu Building.

• Capital increased to 193 million yen.

• Merged with SSC Co., Ltd.; capital increased to 204.5 million yen.

• Capital increased to 260 million yen.

• Certified as a PrivacyMark licensee.

• Acquired all shares of World Computer Center Co., Ltd.

• Capital increased to 300 million yen.

• Obtained ISMS (ISO/IEC 27001) certification.

• Acquired all shares of TBK System Engineering Co., Ltd.

• Integrated World Computer Center Co., Ltd.

• Obtained general worker dispatching undertaking license, switching from specified worker dispatching undertaking.

• Celebrated the 50th anniversary of its founding.

A long-term IT services partner for financial institutions and public-sector organizations, combining customer-first service with continuous technological challenge.

• Application development

  Custom application development services, including AWS serverless web applications and WebPerformer-based development.

• Infrastructure platform construction

  Construction of IT infrastructure platforms, including network equipment replacement and cloud migration.

• System operation and maintenance

  24/7 non-stop operation and monitoring of business systems, including fault triage and reporting.

• IT solutions

  Solutions such as mainframe-to-open-system migration and chatbot-based process automation.

• IT services

  A broad range of IT services supporting customer business operations.

1. 1株式会社第一情報システムズ 公式サイトkkdis.co.jp
2. 2沿革 | 株式会社第一情報システムズkkdis.co.jp
3. 3企業情報 | 株式会社第一情報システムズkkdis.co.jp
4. 4事業所案内 | 株式会社第一情報システムズkkdis.co.jp
5. 5Daiichi Information - Wikidatawikidata.org