What Japan Guarantee Service does

Japan Guarantee Service Co., Ltd. (JGS) is a privately held Japanese IT equipment rental and digital transformation (DX) solutions provider focused exclusively on the construction industry. Founded in 1984 in Tokyo and headquartered in Chiyoda-ku, the company rents IT hardware — PCs, tablets, multifunction devices, displays, network equipment, and large-format printers — to general contractors (ゼネコン), subcontractors, and property developers operating on building, road, tunnel, and bridge projects. Beyond pure rental, JGS packages hardware with proprietary software (J-Vision digital signage, 建設SIGNESS cloud content management, J-Connect sensor aggregation, FaceAir facial recognition access control), third-party applications (SPIDERPLUS, CheX, LAXSY, mixpace, Webex, Zoom, ZMEETING, Dropbox, Safie cloud cameras), and on-site network setup plus ongoing maintenance — sold as an integrated one-stop construction DX bundle.

The company operates a direct enterprise field-sales model through a national network of 7 regional branches (Tokyo, Sendai, Yokohama, Nagoya, Osaka, Hiroshima, Fukuoka), 4 sales offices, and 4 service centers, with 320 employees. Revenue is generated primarily through monthly recurring rental subscriptions, with secondary streams from hardware sales and professional services. JGS reported FY April 2025 revenue of ¥13.7 billion and has paid dividends for 27 consecutive years. The company holds ISO/IEC 27001 (ISMS) certification across its major sites and operates two wholly-owned subsidiaries: JGS (logistics and installation, est. 1999) and JGS Lab (digital signage design, manufacturing, and sales, est. 2020).

Name

Japan Guarantee Service

Legal name

ジャパンギャランティサービス株式会社 (Japan Guarantee Service Co., Ltd.)

Website

https://jgskk.co.jp

Company type

Private

Founded year

1984

Operating status

Operating

Headcount range

101–250 employees

Short description

Japan Guarantee Service (JGS) is a Tokyo-based, privately held IT equipment rental and DX solutions provider serving Japanese general contractors, subcontractors, and property developers, offering bundled hardware, proprietary digital signage and access-control software, and on-site network services across a national branch network.

Ownership category

akta.pro rank

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices16 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Operations, Supply Chain, Personnel, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. IT Equipment Rental: Core business renting IT equipment (computers, multifunction devices, tablets, displays, network equipment) to construction companies and sites. Equipment rental is the primary revenue driver, with revenue of 13.7 billion yen (April 2025 fiscal year). The company offers short-term and long-term rental options for various IT hardware needs on construction sites.
2. IT Equipment Sales: Sale of IT equipment, computers, displays, and related hardware. The company sells various IT products alongside the rental business, including computers, displays, and office supplies.
3. Solution Services: Network setup, system integration, and technical support services accompanying equipment rental. Includes installation, configuration, maintenance, and ongoing technical support for rental equipment.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

Japan Guarantee Service (JGS) rents IT equipment — PCs, tablets, multifunction devices, large-format printers, network gear, and digital signage — to construction companies, and bundles the hardware with proprietary software platforms (J-Vision LED signage, 建設SIGNESS cloud content management, J-Connect sensor aggregation, FaceAir facial recognition) plus installation, configuration, and ongoing maintenance services. Equipment rental is the primary revenue driver at 13.7 billion yen (FY April 2025), with construction-site DX solutions (digital signage, IoT sensors, network setup, security) layered on top.

Product overview

Japan Guarantee Service (JGS) is an IT equipment rental and solution provider for the construction industry, offering a comprehensive portfolio organized across six solution categories: SOLUTION01 (IoT products including multifunction devices, cloud cameras, 360° cameras, environmental sensors, and CCUS/entry management), SOLUTION02 (digital signage and displays featuring proprietary J-Vision brand LED panels and displays, 建設SIGNESS cloud content management, J-Connect sensor aggregation, and live morning assembly), SOLUTION03 (PC/mobile/network including tablets, mobile routers, access points, computers, and NAS), SOLUTION04 (software applications including SPIDERPLUS for blueprint/inspection management, CheX and LAXSY for construction documentation, mixpace for AR/MR visualization, Dropbox, Webex, Zoom, and ZMEETING AI meeting minutes), SOLUTION05 (security solutions covering CLOMO MDM, Gluegent Gate, HENNGE SSO, Trend Micro antivirus, Blancco data erasure, and remote support), and SOLUTION06 (network infrastructure including LAN, large-scale WiFi, and backup solutions). The core differentiator is the integrated approach combining hardware rental with proprietary software (J-Vision, SPIDERPLUS, 建設SIGNESS) and managed services tailored for construction site environments.

Differentiator

Problem solved

Functional benefit

Brands

• J-Vision: Digital signage product brand including LED panels, standard models (SE, TE), and outdoor models (S) for construction sites and commercial display applications.
• J-Vision Touch
• 建設SIGNESS
• J-Connect
• ライブ朝礼
• 建レコキット
• FaceAir
• MIHARY
• WEATHERY

Products and services

• IT Equipment Rental Rental of IT equipment including computers, tablets, multifunction devices, large-format printers, displays, and network equipment to construction companies and sites, with short-term and long-term rental options.
• J-Vision Digital Signage

Quantifiable outcome

• Reduced travel time from 23 minutes to 8 minutes through facial recognition access control
• +3 more outcomes

Named customers3 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration21 records

AI capability13 records

Feature4 records

Partnerships

27 partnerships are on record, tiered core.

• Safie (セーフィー)coreTechnology or IntegrationProvides cloud camera services including Safie GO series (PTZ Plus, PTZ, 180 models) and MAMORY camera series. Cloud recording with 2-week storage, remote viewing, and smartphone/tablet compatibility. Used for construction site monitoring and security.
• Safie Pocket Series (セーフィー ポケット)coreTechnology or IntegrationWearable camera series including Safie Pocket 2 and Safie Pocket 2 Plus for mobile recording and fixed-point monitoring. Used for construction operations, maintenance, and facility management support.
• structionsitecoreTechnology or Integration360-degree camera solution for construction sites. Features VideoWalk for continuous 360-degree image generation, chat functions with pin-point messaging, time-series image comparison, and BIM integration with NavisWorks.
• mixpacecoreTechnology or IntegrationAR/MR visualization solution for construction and manufacturing. Converts 3DCAD and BIM data to AR format for spatial overlay and review. Cloud-based 3D data conversion and management with Azure Active Directory authentication.
• SPIDERPLUScoreTechnology or IntegrationConstruction document management and inspection recording app. Enables blueprint sharing, photo attachment, inspection recording, and report creation. Supports CAD files (DWG, DXF, Tfas, JW, Rebro, CADEWA) and BIM files (IFC, Revit).
• CheX (チェクロス)coreTechnology or IntegrationConstruction document viewing and sharing app for iPad. Allows viewing of blueprints, schedule documents, work instructions, and construction photos. Supports photo memo, simple measurement, and coordinate marker functions.
• LAXSY (ラクシー)coreTechnology or IntegrationInspection support system for construction sites. Simplifies defect input and management, auto-generates correction instruction documents, enables color-coded status display and count display.
• DropboxcoreTechnology or IntegrationOnline storage service for file sharing and collaboration. Enables team file access from PCs, mobile devices, and web browsers. Supports shared links, Dropbox Transfer, and file requests.
• Cisco WebexcoreTechnology or IntegrationCloud meeting platform including Webex Meetings (video conferencing) and Webex Teams (messaging). AI-powered meeting features, screen sharing, whiteboard collaboration, and calendar integration with Outlook and Google.
• ZoomcoreTechnology or IntegrationVideo conferencing and messaging platform available across devices. Features HD video, screen sharing, dual camera/monitor support, and Dropbox integration.
• ZMEETINGcoreTechnology or IntegrationAI-powered meeting minutes automation. Features automatic transcription, dictionary registration, multi-language translation, filler word removal, and voice file transcription.
• QNAPcoreTechnology or IntegrationNAS (Network Attached Storage) products for data sharing and backup. Models include TS-233 (2-bay) and TS-133 (1-bay) with various storage capacities.
• NETGEAR INSIGHTcoreTechnology or IntegrationWi-Fi 6 wireless access points with cloud management service. Enables remote management of multiple site networks without local PC connection or VPN. Supports WPA3 security and up to 200 concurrent connections.
• InfoSpherecoreTechnology or IntegrationBusiness internet provider service from NTTPC Communications. Provides internet connectivity from basic access to VPN services with large-scale network infrastructure.
• Trend Micro (ウイルスバスター)coreTechnology or IntegrationVirus Buster Business Security for endpoint protection. Includes AI/machine learning threat detection, ransomware protection, spam filtering, USB control, and URL filtering.
• Blancco Drive ErasercoreTechnology or IntegrationSecure data erasure solution for PCs, servers, and storage. Certified erasure method for HDD, SSD, and NVMe drives with tamper-proof audit trail.
• Clomo MDMcoreTechnology or IntegrationMobile Device Management for tablets and smart devices. Features device/app control, network restriction, app distribution, administrator hierarchy, device status monitoring, and remote lock/wipe capabilities.
• Gluegent GatecoreTechnology or IntegrationIDaaS (Identity as a Service) for SSO and access control. Enables single sign-on to various web services, access restrictions with multi-factor authentication, unified account management, and audit logging.
• HENNGEcoreTechnology or IntegrationIdentity provider for SSO to 230+ cloud services via SAML authentication. Features secure password management, flexible policy settings, Active Directory integration, and management console for user administration.
• HENNGE Access ControlcoreTechnology or IntegrationOn-premises secure gateway for cloud-style access control to on-premises systems. Issues public URLs for each system with multi-factor authentication, replacing VPN requirements.
• Konica Minolta (コニacate Minolta)coreTechnology or Integrationbizhub series multifunction devices including C360i, C360iS, C368, C550i models. Features copy, scan, fax, print, and management functions with various speed grades.
• Canon (キャノン)coreTechnology or IntegrationimageRUNNER ADVANCE series multifunction devices (C5560FIII, C5840F) and imagePROGRAF large-format printers (TM-200, TM-250) for construction documentation.
• HP (ヒューレット・パッカード)coreTechnology or IntegrationDesignJet T830MFP large-format printers (A0, A1) for CAD drawing printing with high speed (25-26 sec/A1) and high quality output.
• ApplecoreTechnology or IntegrationiPad Pro WiFi + Cellular tablets with optional accessories (pen, case, Apple TV). Rugged protective cases from The Joy Factory with MIL-STD-810G shock resistance and IP68 dust/water resistance.
• NECcoreTechnology or IntegrationNotebook computers and desktop computers for business use.
• DellcoreTechnology or IntegrationDesktop computers and workstations for professional use.
• R Support (アールサポート)coreTechnology or IntegrationRemote support service for real-time remote operation of customer computers. Operators perform settings adjustments and troubleshooting through remote control.

Scale indicators5 records

Recent moves11 records

Expansion highlights5 records

Direct peers

• Ricoh Japan Co., Ltd. Japan's leading document/imaging solutions provider that rents MFPs and IT equipment to enterprise and construction/SMB customers. Direct overlap with JGS on multifunction-device rental and managed print, with a much larger overall portfolio.
• Konica Minolta Business Solutions Japan Co., Ltd. Major Japanese MFP and office IT equipment rental/leasing provider serving enterprise and SMB markets. Highly comparable to JGS's multifunction-device and office-IT rental core, though broader in scope and not construction-specialized.
• FUJIFILM Business Innovation Corporation: Office-document solutions subsidiary of Fujifilm offering MFP rental and managed document services across Japan. Closely comparable to JGS's MFP/PC rental business; not construction-specialized.
• NBC Meshtec Inc. (NBC Inc.): Japanese IT equipment rental and managed services company serving enterprise and SMB markets across multiple sites. Direct overlap with JGS's IT equipment rental core; smaller scale and not construction-specialized.
• Canon Sales Japan Co., Ltd. Canon subsidiary selling and renting office IT equipment including MFPs, large-format printers, and imageRUNNER ADVANCE devices in Japan. Direct overlap with JGS's Konica Minolta/Canon imageRUNNER rental offerings.

Broad incumbents

• SoftBank Corp. (Enterprise IT services): Major Japanese telecom providing enterprise mobile, networking, and IoT solutions overlapping with JGS's mobile router, AP, and IoT sensor bundle offerings to construction customers. Significant scale advantage; not construction-pure.
• SHARP Corporation (Sharp Marketing Solutions): Major Japanese IT/electronics manufacturer offering displays, MFPs, and office IT equipment on rental/lease terms through its sales subsidiaries. Broad incumbent overlap with JGS in display and MFP hardware channels.
• NEC Corporation (NEC Platforms / NEC Fielding): NEC supplies notebook and desktop computers that JGS rents to construction sites, and its field-services subsidiary provides installation and maintenance nationwide—directly competitive with JGS's PC/IT rental and IT Promotion department.

Emerging players

• KKR-backed / NTT Powerco construction tech competitors in digital signage: Safie Inc. provides cloud-camera services that JGS resells and bundles with construction-site digital signage. Comparable as a partial-overlap niche player in construction IoT/camera solutions; do not fully overlap on rental business.

Others

• NTTPC Communications (NTT group): Incumbent Japanese internet provider whose InfoSphere service JGS resells to construction sites. Thematically related: provides enterprise network connectivity that complements IT rental offerings in the same construction customer base.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Japan Guarantee Service