What ProStar does

ProStar Inc. (株式会社プロスター) is a privately held Japanese IT solutions provider founded in April 2000 and headquartered in Ota City, Gunma Prefecture, with a sales office in Yokohama, Kanagawa. The company operates with a small team (1-10 employees) under Representative Directors Satou Hideyuki and Sakurai Akihito, and generates revenue across two intertwined lines: custom system development services (web, mobile, attendance, payroll, e-commerce, network) and recurring revenue from its three proprietary products — Touch On Time (cloud attendance management with FeliCa/biometric authentication, claiming No.1 cloud-attendance market share, 99.7% continuation rate, and 94% support satisfaction), infoGET (USB memory-based advertising/content delivery with periodic updates and log analytics), and Sign (Bluetooth-proximity digital signage for tourism and event use cases). The underlying technology spans cloud attendance, IC/biometric authentication, Bluetooth beacon triggers, USB device integration, and standard web/mobile stacks (JavaScript, ASP.NET, PHP, React), with integrations to Sony Payment Services (e-SCOTT), MJS (Galileopt), and PCA back-office systems.

The business model is hybrid: sales-led direct engagements handled through the Ota headquarters and Yokohama office serve enterprise and mid-market clients across construction, manufacturing, logistics, automotive services, education, and social services, while a self-serve 30-day free trial of Touch On Time represents a nascent product-led growth motion targeted at SMBs. The customer base includes several Chiyoda Group enterprises as flagship clients, suggesting relationship density within a single corporate cluster. ProStar also acts as a reseller for domain/hosting services and supplies additional products such as Read-In (license plate/data reading) and managed network services. GTM relies on the corporate website, SEO, and direct contact form inquiries rather than paid acquisition or partnerships.

Despite 24 years of operating history, ProStar remains a sub-scale, founder-managed firm with no disclosed revenue, external funding, or M&A activity, and its operations are concentrated in the Kanto region of Japan. Strategic activity in the recent period is limited to an April 2024 website relaunch and ongoing recruiting across engineering, design, and operator functions, with no material geographic expansion or new verticals disclosed.

Name

ProStar

Legal name

株式会社プロスター (ProStar Inc.)

Website

https://prostar.co.jp

Company type

Private

Founded year

2000

Operating status

Operating

Headcount range

1–10 employees

Short description

ProStar is a small Japanese IT solutions firm offering proprietary cloud attendance, USB advertising, and Bluetooth digital signage products alongside custom web and mobile system development, primarily serving SMBs and select enterprise clients in the Kanto region.

Ownership category

akta.pro rank

Headquarters

HQ city

Tsurumi

HQ country

Japan

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Software

Cost components

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

Revenue model

1. System Development Services: Custom system development including attendance, payroll, accounting, sales/inventory, and production management systems. Web system development, smartphone app development, and technical support services.
2. Touch On Time Subscription: Cloud-based attendance management system offered as a subscription service. Includes support, regular system updates, and version improvements. 30-day free trial available.
3. Product Sales (infoGET, Sign): USB memory advertising service and Bluetooth digital signage solutions sold to businesses.
4. Domain and Hosting Services: Domain acquisition and web hosting agency services as a reseller.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels3 records

Core offering

ProStar Inc. provides system engineering services, system integration, and proprietary software products to Japanese businesses. Their core offerings include three proprietary products — Touch On Time (cloud-based attendance management with FeliCa/biometric authentication), infoGET (USB memory-based advertising delivery), and Sign (Bluetooth digital signage) — alongside custom web and smartphone application development, network installation, and technical support services.

Product overview

ProStar is a Japanese IT solutions company offering a portfolio of three main proprietary products plus development and technical services. The core products are Touch On Time (cloud-based time and attendance management with biometric/FeliCa authentication), infoGET (USB memory-based content delivery advertising), and Sign (Bluetooth push notification digital signage). Supporting services include web system development, smartphone application development, web design and planning, and network/technical services. The products operate both as standalone solutions and in combination with custom development services tailored to client needs.

Differentiator

Problem solved

Functional benefit

Brands

• Sign: Bluetooth-based push-type digital signage service that delivers content to nearby smartphone users
• infoGET
• Touch On Time

Products and services

• Touch On Time Cloud-based time and attendance management system featuring FeliCa/biometric authentication, multi-method time tracking (biometric, IC card, mobile, web browser), real-time attendance visualization, and compliance with work-style reform regulations. Includes salary/payroll system integration. Offers a 30-day free trial. Targets Japanese SMB and enterprise HR/operations teams.
• infoGET USB memory-based advertising and content delivery service that automatically delivers information when the USB is inserted into a computer. Features periodic content updates, eco-friendly paperless distribution, and marketing analytics through log analysis. Targets marketing teams and businesses seeking cost-effective digital advertising delivery.
• Sign Bluetooth-based push notification digital signage system that automatically delivers location-specific content and promotional information to nearby smartphone users. Supports multilingual content delivery for tourism and event applications. Targets tourism boards, event organizers, retail venues, and marketing teams.
• Web System Development Custom web system development services including API integration, smartphone app connectivity, e-commerce solutions, and integration with existing local business systems for data synchronization. Tailored for Japanese businesses across multiple industries requiring bespoke IT solutions.
• Smartphone Application Development Native application development for Android and iOS platforms, including tablet-based ordering systems, weather apps with location services, and push notification digital signage apps. Targeted at Japanese enterprises needing custom mobile solutions.
• Web Planning and Proposal Strategic web consulting services for brand building, digital transformation, system integration, and web market utilization. Targeted at Japanese businesses seeking digital strategy and planning expertise.
• Web Design Production User-centered web design services focusing on information architecture, SEO optimization, and social media optimization (SMO) for effective information delivery. Targeted at Japanese businesses needing professional website design.
• Network Services Network installation and configuration services including VPN, WAN, LAN installation, server and client installation, and internet apartment services. Targeted at Japanese businesses needing network infrastructure setup.
• Technical Support On-site setup support, peripheral equipment services, and business phone support. Targeted at Japanese enterprise clients requiring ongoing IT assistance.
• Domain and Hosting Agency Domain registration and web hosting agency/reseller services. Targeted at Japanese businesses needing web presence setup.

Quantifiable outcome

• Touch On Time maintains a 99.7% continuation rate and 94% support satisfaction among its user base.
• +1 more outcomes

Named customers10 records

Segments1 record

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration4 records

Feature4 records

Partnerships

Four partnerships are on record, tiered minor.

• ダイワボウ情報システム株式会社minorChannel Partner/ Reseller/ DistributorMajor IT distributor listed as a primary supplier for ProStar's procurement needs.
• 千代田化工建設株式会社minorOthersMajor client relationship with Chiyoda Chemical Engineering & Construction Company, one of the main customers.
• 学校法人杏林学園minorOthersEducational institution client providing IT services and solutions.
• 社会福祉法人横浜共生会minorOthersSocial welfare organization client receiving IT solutions.

Scale indicators3 records

Recent moves5 records

Expansion highlights5 records

Broad incumbents

• Nihon Unisys, Ltd. Nihon Unisys provides large-scale system integration, cloud services, and IT consulting to Japanese enterprises and government. Comparable to ProStar's SI practice as a broad incumbent operating in similar Japanese IT services territory.
• OBIC Co., Ltd. OBIC provides enterprise business software (accounting, payroll, HR, ERP) and system integration services in Japan, overlapping with ProStar's custom development, payroll/ERP integration, and IT services practice but at much larger scale and enterprise focus.
• BIPROGY Inc. (formerly Nihon Unisys G): BIPROGY is a major Japanese system integrator providing system design, development, and IT services across industries. Comparable to ProStar's system engineering and system integration offerings but at significantly larger enterprise scale.
• Recruit Holdings Co., Ltd. Recruit operates HR tech (Indeed, Airレジ, etc.) and SaaS businesses across Japan that overlap with ProStar's SMB attendance/HR-tech positioning. Comparable as a broad incumbent with established Japanese SMB distribution.

Direct peers

• Cybozu, Inc. Cybozu provides Kintone and other cloud business applications (attendance, workflow, CRM) targeting Japanese SMBs, similar customer segment to ProStar, with overlapping horizontal SaaS positioning in attendance and collaboration tools.
• freee K.K. freee offers freee HR, a cloud HR/attendance/payroll suite that directly overlaps Touch On Time's functional scope, and bundles it with cloud accounting for SMBs across Japan. Larger, well-capitalized competitor in the same HR-tech category.
• Pleno Inc. (KING OF TIME): Pleno operates KING OF TIME, Japan's leading cloud-based attendance management SaaS, directly competing head-to-head with ProStar's Touch On Time product. Both serve Japanese SMBs with biometric/IC-card time tracking and payroll integration.
• Money Forward, Inc. Money Forward Cloud provides attendance, payroll, HR, and accounting SaaS for Japanese SMBs and enterprises, competing directly with both Touch On Time and ProStar's custom system development offerings. Listed on TSE Prime with substantially greater resources.

Regional players

• HENNGE K.K. HENNGE is a Japan-based cloud security SaaS company that, like ProStar, builds and sells proprietary Japanese SMB/enterprise cloud software. Comparable as a Japan-focused SaaS vendor with a similar SMB/enterprise hybrid customer base, though in a different functional category (cloud security vs. attendance).

Others

• DENTSU INC. DENTSU is Japan's largest advertising agency group; comparable to ProStar's infoGET and Sign products (digital advertising and proximity-based content delivery) from a customer/market-adjacency perspective, though at vastly different scale and breadth.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 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 ProStar