New Contract Management System for a Car Rental Company
New Contract Management System for a Car Rental Company
Highlight
Service:
Custom software development
industry:
Transportation
TECHNOLOGY:
C#, WinForms
Overview
As part of the client’s broader digital transformation (DX) strategy, Luvina Software partnered with a leading Japanese car rental company to develop a custom Windows desktop application for managing rental contracts. The goal was to modernize legacy operations by transitioning from manual, paper-based workflows to a centralized, digital platform.
By leveraging Luvina’s development expertise, the client achieved smoother operations, reduced errors, and enabled seamless data access across internal business units, laying a solid foundation for future system integration and process automation.
Country: Japan
Client: Car rental company in Japan
Industry: Transportation
Focus: Automotive Rental
Service: Custom software development (Desktop Application)
Duration: October – December 2024
Scale: 12.4 MM
Technology: C#, WinForms
Engagement Model: Full-cycle development
Challenge
CLIENT BACKGROUND & CHALLENGES
The client provides rental services to its sister companies under a large Japanese conglomerate. Prior to this engagement, contract processing and fleet management were entirely manual handled via Excel sheets and physical paper forms.
The client’s goals:
- – Eliminate paper-based and spreadsheet-driven processes.
- – Automate the generation of receipts and invoices.
- – Build a centralized client-server system allowing seamless access to data by all group subsidiaries.
CHALLENGES
- Manual operations were resource-intensive, error-prone, and difficult to audit.
- Data sharing between subsidiaries was nearly impossible, creating bottlenecks in internal operations.
- Invoicing and receipt issuance could not be automated from Excel or contract data, leading to delays and inefficient resource use.
Solution
LUVINA’S SOLUTIONS
To support the client’s digital transformation goals, Luvina provided end-to-end software development services, focusing on high stability, process alignment, and usability.
- – Custom System Design & Development
Developed a full-featured Windows desktop application (WinForms) using C#, designed for multi-branch usage under a client-server architecture. This system supports key contract management functions, including registration, tracking, and payment automation.
- – Automation of Invoice & Receipt Generation
Designed and implemented logic to auto-generate receipts and invoices based on contract data, eliminating manual document processing and reducing human error.
- – Shared Access Across Branches
Built a centralized data access infrastructure allowing all subsidiaries to retrieve and manage contract information securely in real-time.
Download for more details.
Achievement
✅ 100% digital workflow: Entire contract process moved off Excel and paper.
✅ +40% productivity gain: Automated document generation accelerated processing speed.
✅ Group-wide connectivity: All subsidiaries successfully onboarded and connected to the central system.
✅ Zero UAT bugs: The system passed user acceptance testing without any critical issues.
✅ Early delivery: Delivered 1 week ahead of schedule, accelerating overall rollout.
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