Network Change and Maintenance for 4th Generation Market System

Sole-source notice

Japanese title: 随意契約に付する事項第4世代市場システム基盤構築に伴うNW変更・保守の委託

This single tender contract concerns network changes and maintenance associated with the construction of the 4th generation market system infrastructure. The contract is planned with NTT DOCOMO Business Co., Ltd. under the compatibility clause of the Government Procurement Agreement.

Telecom Government Systems

Key Details

  • Source: Kanpo
  • Notice type: Sole-source notice
  • Publication date: June 8, 2026
  • Procuring entity:
  • Planned contract date: June 29, 2026
  • Intended vendor: NTT DOCOMO Business Co., Ltd.
  • Status: Expired
  • Technology relevance: Possible
  • Business-action likelihood: Low – The contract is a single tender with a designated incumbent vendor (NTT DOCOMO Business Co., Ltd.), limiting open competition and foreign participation.

Business Relevance

May interest companies providing network infrastructure change and maintenance services, especially those with experience in financial system infrastructure.

Participation fit

This procedure is classified as sole-source and is not an open competitive tender. Direct participation is not applicable, but the notice may indicate existing government demand and active relevant vendors in Japan.

Official Source

This opportunity is based on a tender notice published in Kanpo, the official gazette of the Government of Japan.

  • Source: Kanpo, Government Procurement Notice Edition
  • Official category: 随意契約に関する公示 / Notice of single tendering procedures
  • Publication date: June 8, 2026
  • Publication: Kanpo, pages 59

Full English Translation

The following English translation was prepared from the original Japanese notice published in Kanpo. Where an official English summary appears in the Kanpo publication, it was used only for verification; the translation below is based on the Japanese source text.

Notice of single tendering procedures is hereby announced as follows. Date: June 8, 2026. Contract responsible: YAMADA Ryotaro, Executive Officer, Japan Post Bank Co., Ltd. Procurement agency number: 431. Location number: 13. No. 1: Procurement content:
(1) Item classification numbers 71, 27;
(2) Single tendering concerning network changes and maintenance commission related to the construction of the 4th generation market system infrastructure. Scheduled date of single tender contract: June 29, 2026. Reason for single tendering under the Government Procurement Agreement: c "compatibility". Name of the party planned for single tender contract: NTT DOCOMO Business Co., Ltd. Contact department: Corporate Staff Division, General Affairs Department (contract in charge), Japan Post Bank Co., Ltd., 2-3-1 Otemachi, Chiyoda-ku, Tokyo 100-8793, Otemachi Place West Tower. Contact person: Yoshida Ikuyo, phone 03-3477-1710.

Show original Japanese notice

随意契約に関する公示

次のとおり随意契約について公示します。 令和8年6月8日契約責任者株式会社ゆうちょ銀行執行役山田亮太郎
◎調達機関番号431 ◎所在地番号13
〇第1号(No1)

1 調達内容
(1) 品目分類番号71、27
(2) 随意契約に付する事項第4世代市場システム基盤構築に伴うNW変更・保守の委託

2 随意契約の予定日令和8年6月29日

3 随意契約によることとする「政府調達に関する協定」の規定上の理由 c「互換性」

4 随意契約を予定している相手方の名称 NTTドコモビジネス株式会社5担当部 〒100-8793東京都千代田区大手町二丁目3番1号大手町プレイスウエストタワー株式会社ゆうちょ銀行コーポレートスタッフ部門総務部(契約担当)担当吉田育代電話03-3477-1710

Disclaimer

This page is based on the official Kanpo tender notice, with translation and a preliminary business assessment by I.J. Do. The official Japanese notice and tender documents are binding.

JBid is a beta technology-procurement intelligence service by I.J. Do.

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