What KSE does

KSE Corporation (株式会社ケー・エス・イー) is a Japanese IT services company founded in 2000 that delivers consulting-led system development, network design and construction, system engineering services, and ongoing maintenance and operations to enterprise clients. The company operates a consulting SE model in which engineers first diagnose client business problems before proposing technology solutions, distinguishing it from system-first integrators. KSE is headquartered in Chiyoda-ku, Tokyo, and operates a development center in Izumo, Shimane Prefecture, which serves as a regional cost-arbitrage hub for software engineering work.

The company's revenue mix is primarily professional services, dominated by outsourced custom system development for mobile telecommunications carriers — including communication management systems, transmission path configuration tools, and mobile shop tools — alongside network infrastructure projects using Cisco and Nokia equipment for 4G and 5G carrier networks. Direct engagements with NTT Docomo group entities, NEC, and ITOCHU Techno-Solutions (CTC) anchor the client base. Two proprietary products extend the services portfolio: CommIt, an IoT location service combining BLE, GPS, and LoRa networks with cloud analytics, and the AI Quality Analysis Tool, which uses predictive analytics to infer bug likelihood in real time during development.

KSE sells through a direct enterprise field sales motion, with engineers assigned either onsite at client locations in the Tokyo 23 wards and Kanagawa Prefecture or at KSE offices. Pricing is quote-based and not publicly disclosed. The company is privately held under founder-Chairman-President Kageyama Mamoru, with 68 employees as of April 2026 and FY ending March 2026 revenue of approximately 2.4 billion JPY. Certifications include ISO/IEC 27001:2023 (held continuously since 2006) and Ruby Association Certified Systems Integrator status, supporting eligibility for enterprise and government-adjacent contracts.

Name

KSE

Legal name

KSE Corporation

Website

http://www.kse-m.co.jp/

Company type

Private

Founded year

2000

Operating status

Operating

Headcount range

51–100 employees

Short description

KSE is a provider of system development, network construction, system engineering and consulting services.

Ownership category

akta.pro rank

Product category

IT Services and Telecommunications Systems Integration

NAICS

Custom Computer Programming Services (541511), Computer Systems Design and Related Services (54151)

SIC

Services-Computer Programming Services (7371), Services-Computer Integrated Systems Design (7373)

akta.pro primary industry

DevOps Consulting & Transformation (BPAEAKAA)

Keywords

• IT consulting services
• Custom software development
• Network infrastructure design
• IoT location services
• Mobile telecommunications systems

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Custom System Development: Outsourced software development including design, development, testing, and maintenance. Serves major mobile carriers with communication management systems, transmission path configuration management, and mobile shop tools.
2. Network Design and Construction: Network environment design and construction based on customer requirements and business challenges. Uses Cisco and Nokia equipment for 4G and 5G mobile carrier networks.
3. System Engineering Services (SES): Providing engineers with optimal technology and development structure matched to customer requirements. Direct projects with major mobile carriers, major SIers, and manufacturers.
4. System Maintenance and Operations: System maintenance and management from customer perspective, including end-user inquiry handling and call center operations.

Go-to-market motion2 records

Distribution channels2 records

Marketing channels5 records

Core offering

KSE provides IT consulting, custom system development, network design and construction, system engineering services, and system maintenance/operations primarily for the Japanese mobile telecommunications industry, including NTT Docomo group companies. The company delivers these services through direct contracts, onsite engineering dispatch, and its regional Shimane Development Center, supplemented by two proprietary products: the CommIt IoT location information service and an AI-powered quality analysis tool.

Product overview

KSE (株式会社ケー・エス・イー) offers a portfolio of two main technology solutions: IoT位置情報サービス「CommIt」 for location-based tracking of people and assets, and AI品質分析ツール for AI-powered quality analysis and bug prediction. The company also provides comprehensive IT services including consulting SE (コンサルSE), custom system development (受託システム開発), network design and construction (ネットワーク設計・構築), system engineering services (システムエンジニアリングサービス), and system maintenance/operations (システム保守・運用). The company specializes in mobile communications infrastructure and serves major carriers like NTT Docomo.

Differentiator

Problem solved

Functional benefit

Brands

• CommIt: IoT location-based service that enables easy tracking of people and objects using BLE, GPS, and LoRa technologies for real-time position monitoring
• AI品質分析ツール

Products and services

• Consulting SE (コンサルSE)

Quantifiable outcome

• Cost-reduced development proposals enabled by Shimane Development Center

Named customers6 records

Segments2 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability2 records

Feature2 records

Partnerships

Three partnerships are on record, tiered core and minor.

• 島根県立大学 (Shimane Prefectural University)coreStrategic or Co-development Partner · 3 August 2025Cooperation agreement with public university to support students aspiring to contribute to Shimane Prefecture. KSE sponsors the 'Shimane Future Human Resources Scholarship' for students with strong desire to work in the prefecture.
• ディオッサ出雲FC (Diossa Izumo FC)minorGTM or Marketing Partner · 1 April 2025Official partner contract with women's football team based in Izumo city, Shimane Prefecture. KSE supports the team's goal of promotion to Nadeshiko League Division 1 and JFA U-15 Girls Soccer League 2025 China Regional Championship victory.
• ディオッサ出雲FCアカデミー (Diossa Izumo FC Academy)minorGTM or Marketing Partner · 1 April 2025Official partner contract with youth football academy. KSE supports youth development alongside the main team.

Scale indicators4 records

Recent moves9 records

Expansion highlights6 records

Direct peers

• BIPROGY: Japanese mid-tier IT services and system integrator (formerly Nihon Unisys) with comparable mix of custom development, network services, and managed operations for enterprise and telecom clients.
• TIS Inc. Japanese IT services company providing custom system development, consulting, and managed services across multiple verticals including telecom, closely comparable to KSE's services portfolio.
• SCSK Corporation: Major Japanese system integrator offering software development, network services, and IT management, with overlap in telecom-adjacent system engineering and consulting-led delivery.
• Information Services International-Dentsu (ISID): Japanese IT services firm providing custom software development and consulting across industries including communications, with a similar mid-size services posture.
• Future Corporation: Japanese IT consulting and system integrator focused on independent, vendor-neutral consulting-led services — directly analogous to KSE's consulting SE positioning.
• Bell System24: Mid-size Japanese IT services and contact center operator; the call center / end-user inquiry support portion of KSE's business is directly comparable to Bell System24's BPO services.

Broad incumbents

• NTT Data: Largest Japanese SI incumbent with extensive telecom (parent group) and enterprise IT services, serving as the broad incumbent against which mid-tier firms like KSE compete.
• Nomura Research Institute (NRI): Large Japanese IT services and consulting firm with broad enterprise coverage including financial and telecom sectors, representing the higher end of the consulting-led services spectrum.
• ITOCHU Techno-Solutions (CTC): Major Japanese IT solutions provider and a direct KSE customer; competes in the same telecom/enterprise system integration space as a larger incumbent.
• NEC Corporation: Large Japanese IT/telecom vendor providing network infrastructure and enterprise IT solutions, both a KSE customer (NEC is listed) and a competitive incumbent in telecom-adjacent services.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 KSE