Seibu Holdings Implements Contract Management Cloud Service 'Hubble mini'

Hubble Inc. (Shibuya-ku, Tokyo, CEO: Shimpei Hayakawa, CTO: Katsuya Fujii, CLO: Tomoya Sakai) announces that its contract management cloud service 'Hubble mini'—which utilizes AI to build a comprehensive contract database simply by uploading contracts—has been officially implemented and put into full operation by Seibu Holdings Inc. (Toshima-ku, Tokyo, President and Representative Director, President and CEO and COO: Ryuichiro Nishiyama). Seibu Holdings oversees 112 operating companies (as of December 31, 2025) in businesses such as real estate, hotels and leisure, and urban transportation/railway lines. Background of 'Hubble mini' Implementation - To grasp contract periods and renewal timings, and manage automatic renewals with high accuracy. - To reduce man-hours and improve efficiency in data entry into contract management ledgers, enabling appropriate contract management. - To properly configure confidential information management and viewing permissions for each department. Deciding Factors for the Official Implementation of 'Hubble mini' At our company, contract management ledgers (Excel) were managed by each department, making data entry complicated. In addition, the management of renewal deadlines was not centralized, making contract renewal management a challenge. Therefore, we needed to build a system that could be operated more simply and accurately. The deciding factors for the implementation were Hubble mini's highly customizable management ledger, flexible permission management based on folder structures, and contract renewal deadline management via monthly email notifications. We determined that this would optimize our contract management. The potential for future improvements in convenience, beyond merely replacing existing management functions, was also a major appeal. Furthermore, considering the possibility of future deployment to group companies, the simple operation that is easy for frontline staff to adopt also supported our decision to implement. Since implementation, the visualization of contract information has steadily progressed, and management accuracy has improved. Moving forward, we will utilize Hubble mini to further strengthen our governance structure. Keiichi Arai (Manager) and Tsuyoshi Yamamoto (Chief), Group Legal Team, Legal Department, Seibu Holdings Inc. Company Name: Seibu Holdings Inc. Location: 1-16-15 Minami-Ikebukuro, Toshima-ku, Tokyo Representative: Ryuichiro Nishiyama, President and Representative Director, President and CEO and COO Capital: 50 billion yen Established: February 3, 2006 Business Activities: Formulation of management strategies for the entire group, business management of group operating companies, fund management and procurement for the entire group, public relations for the entire group, promotion of group compliance URL: https://www.seibuholdings.co.jp/ ▽ For inquiries regarding this article or 'Hubble mini', click here: https://hubble-docs.com/contact ▽ View case studies of other companies' implementations here: https://hubble-docs.com/cases ◆ What is 'Hubble mini'? 'Contract management is as simple as uploading.' It is an innovative cloud service where AI automatically parses contract contents and instantly builds a contract ledger simply by uploading a finalized contract PDF. It significantly reduces the time and effort previously required for entering contract information, streamlining post-execution contract management. Furthermore, it features an 'AI Custom Field Auto-Input' function. In addition to 9 major fields, companies can freely configure and operate their own unique management fields, regardless of industry or sector. It comes equipped with many convenient functions tailored for daily operations, such as automatic notifications of renewal deadlines, flexible permission settings, and advanced cross-searching between paper and electronic contracts. It is also fully compliant with the revised Electronic Books Maintenance Act (JIIMA certified). From small starts to company-wide rollouts, anyone can use it immediately, regardless of company size or industry. In the future, contract data built with Hubble mini can be upgraded to the main Hubble platform, addressing today's challenges while accommodating tomorrow's growth. Service site: https://hubble-docs.com/lp/Hubble-mini/ ◆ What is 'Contract Flow Agent'? A contract AI agent specialized in supporting progress and decision-making in contract operations. Within the series of contract workflows performed on Hubble—such as drafting, reviewing, approving, and renewing contracts—it suggests the 'next action to take' based on past operation history, internal rules, and judgment criteria, thereby helping to move operations forward. Unlike conventional AI that merely checks documents, 'Contract Flow Agent' handles practical contract execution.