What NSR does

NSR Co., Ltd. (株式会社エヌ・エス・アール) is a privately held Japanese IT engineering staffing and software development company founded in August 1978 and headquartered in Ikebukuro, Tokyo. Operating under a worker dispatch permit (派13-307327) with 51–100 employees, NSR dispatches software engineers and delivers end-to-end software development services primarily to major Japanese system integrators (SIers) and financial institutions. The company's technical scope spans four interconnected domains: mainframe and online systems for banking, life/non-life insurance, and securities; web and client-server/open-architecture systems; embedded software for digital cameras, smartphones, mobile phones, and automotive navigation/audio; and server and network infrastructure design.

The business model is professional-services-based engineer dispatch, with revenues generated by billing client SIers and enterprises for deployed engineers across multi-year projects. NSR has maintained continuous engagements of 20+ years on major client programs and counts NTT Data, Sky, Intec, Fujisoft, Atlas Systems, Tokyo Systems, and Japan System Consultant among its core customers. Operations are concentrated in the Greater Tokyo area (Tokyo, Yokohama, Chiba, Saitama). The company holds ISO/IEC 27001:2022 (ISMS) certification accredited by UKAS and the JIPDEC Privacy Mark, both prerequisites for financial-sector and government dispatch engagements in Japan. Registered capital is ¥30 million and the company is family-controlled following a May 2024 leadership transition from founder Murakami Shunichi (村上昇一) to his son Murakami Tomohiro (村上智大).

There is no disclosed external funding, no M&A activity, no product/technology pivot toward cloud or AI, and no geographic expansion beyond the Kanto region. The company's growth posture is that of a stable, mature staffing supplier with deep but narrow enterprise relationships; its competitive position rests on compliance certifications, retained specialized talent, and long-tenured client engagements rather than on product innovation or scale advantages.

Name

NSR

Legal name

株式会社　エヌ・エス・アール

Website

https://nsr-net.co.jp

Company type

Private

Founded year

1978

Operating status

Operating

Headcount range

51–100 employees

Short description

NSR is a Tokyo-based, privately held Japanese IT engineering staffing and software development firm founded in 1978, dispatching software engineers under a worker dispatch permit to major Japanese system integrators and financial institutions for mainframe, web, embedded, and network infrastructure projects, with ISO 27001 and Privacy Mark certifications.

Ownership category

akta.pro rank

Headquarters

HQ city

Toshima

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. IT Engineer Dispatch Services: NSR's primary revenue stream is the dispatch of IT/software development engineers to client companies. Under the worker dispatch (労働者派遣) permit (派13-307327), the company provides human resources — engineers — to major SIers and corporate clients. Revenues are generated through billing clients for engineer staffing services, likely on a time-and-materials basis tied to engineer assignments. The company also maintains a specific dispatch (特定労働派遣) registration (特13-09-0216) from 1986.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

NSR dispatches IT and software development engineers (技術派遣) to client companies and provides contracted software design, development, and consulting services. Core technical domains include mainframe and online systems for banks, insurance and securities firms, embedded systems for electronics/telecommunications manufacturers, and server/network and web/client-server systems. Clients are primarily major Japanese System Integrators (e.g., NTT Data) and large financial institutions.

Product overview

NSR (株式会社エヌ・エス・アール) is a software development and IT engineering staffing company offering integrated solutions from planning/design through development, testing, and stable operations management. The company's service portfolio consists of five interconnected core service lines: (1) General-purpose/online systems development for financial institutions, insurance companies, and securities firms; (2) Web, client-server, and open systems software development and consulting; (3) Embedded systems development for consumer electronics including smartphones, car navigation, and car audio; (4) Server and network infrastructure construction and development; and (5) IT developer dispatch/staffing services managed under ISMS certification. These services collectively provide customers with comprehensive, end-to-end solutions spanning the entire software development lifecycle.

Differentiator

Problem solved

Functional benefit

Products and services

• IT Engineer Dispatch (IT技術派遣)
• Software Design, Development and Consulting (ソフトウェア設計・開発・コンサルティング)
• Mainframe and Online Financial System Development (汎用機・オンラインシステム開発)
• Embedded Systems Development (組込系システム開発)
• Server, Network and Web/Client-Server System Development (サーバ・ネットワーク・Web/クライアントサーバシステム開発)

Quantifiable outcome

• 20+ years of continuous engagement on major client projects

Named customers12 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Two partnerships are on record, tiered core.

• 株式会社NTTデータcoreStrategic or Co-development Partner · 1 February 2010NSR was registered as an Associate Partner by NTT Data's Purchasing Department in February 2010, formalizing a strategic staffing and systems development partnership. The relationship extends back decades, evidenced by multiple NTT Data Group companies (NTT Data, NTT Data Financial Technology, NTT Data Newson) appearing as major clients. NSR has received multiple appreciation awards from NTT Data entities.
• 関東ITソフトウェア健康食品組合Others · 1 December 1988

Scale indicators3 records

Recent moves6 records

Broad incumbents

• Nomura Research Institute (NRI): Major Japanese IT services and consulting firm with strong financial-sector presence. While much larger than NSR, both companies share deep financial-sector domain expertise in banking, securities, and insurance IT systems.
• Persol Holdings: Major Japanese staffing company with a significant IT staffing division. Comparable business model in engineer placement, though at much larger scale and broader industry coverage than NSR.
• TIS Inc. Major Japanese IT services company providing systems integration and consulting across financial, manufacturing, and other sectors. Broader IT services player that overlaps with NSR's enterprise IT and financial-sector capabilities.
• Recruit Holdings: Japanese staffing and HR services giant with substantial IT staffing operations. Comparable business model of engineer placement, though vastly larger scale, broader service portfolio, and stronger recruitment brand than NSR.

Direct peers

• Future Corporation: Japanese IT consulting firm with strong focus on financial-sector IT systems. Comparable to NSR in its banking, insurance, and securities domain expertise, with overlapping client base among major Japanese financial institutions.
• Meitec Corporation: Major Japanese engineer dispatch company specializing in placing technical professionals at client sites. Closely comparable to NSR's engineer dispatch model focused on IT and embedded systems engineers, with similar project-based staffing economics.
• WDB Co., Ltd. Japanese scientific and technical staffing company operating in the engineer dispatch market. Comparable business model focused on placing technical professionals at client sites, with overlap in IT and engineering domains.
• TechnoPro Holdings: Largest Japanese technical staffing company placing engineers and researchers across IT, electronics, and R&D. Direct competitor to NSR in IT engineer dispatch, with the same business model of placing engineers at client sites for project work.
• INTLOOP Inc. Japanese IT engineer dispatch company focused on placing IT consultants and engineers. Comparable in size range and business model to NSR, with similar focus on IT staffing for enterprise clients and SIers.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks7 records

Key highlights7 records

Customer concentration

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 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 NSR