Purpose
With HITO and DX,
Building a Flourishing Society.
About Us
Business
Message from the President
History
Access
About Us
会社概要
Company Name
　株式会社エヌ・アンド・アイ・システムズ
　英語表記：N&I Systems Co., Ltd.
Date of Establishment
October 29, 1993
Location
　東京都千代田区一ツ橋2-5-5　岩波書店一ツ橋ビル3階　
　3F Iwanami Shoten Hitotsubashi Building, 2-5-5 Hitotsubashi, Chiyoda-ku, Tokyo 101-0003 Japan
Capital
　　100 million yen
Number of employees
　Non-Consolidated：242 （As of January 1, 2026）
　Consolidated：322 （As of January 1, 2026）
President
　　Tsutomu Kawase, President and CEO
Business Activities
Providing comprehensive integration, services, and support for IT infrastructure, cloud solutions, and system operations
Permits and Licenses
Temporary Staffing Services　　派13-306690
Paid Employment Placement Services　13-ユ-308597
Business
事業内容
Trust is built all at once. It is built over time.
For over 30 years, we have used our IT expertise to guide businesses forward.
As a dedicated DX Integrator, we combine AI-driven DX with BPO services to completely transform your business model.
Always here for supporting you every step of the way.
N&I Consulting
AI Service
DX Service
BPO Service
NI Academy
Message from the President
代表挨拶
Message from the President
川瀬 勉
Tsutomu Kawase
President and CEO
川瀬
We are now entering an era of Digital Transformation. This is a societal transformation driven by IT, and every industry is being called upon to adapt to this new reality.

For over 30 years, we have accumulated extensive experience in the planning, construction, and operation of IT infrastructure, with a particular focus on networks. We have now expanded our scope of operations from our traditional business domain of IT infrastructure-related services to DX services and BPO services.

Guided by our management vision, that is to become the Best DX Integrator®. We solve our clients' most complex business challenges and drive the reconstruction of value.

Furthermore, at the core of our corporate philosophy is a deep respect for people. We are dedicated to enhancing the potential of our employees, because we know that their expertise is the engine of our growth. We believe that the exceptional value created by our top-tier talent does not just satisfy our clients, but it also inspires them and exceeds their expectations.

Moving forward, we will continue to grow alongside our customers. By delivering advanced DX integration services, we remain committed to creating lasting societal impact, sharing success with our clients, and earning their long-term trust.

We sincerely thank you for your continued partnership and support.
Board of Directors
History
沿革
29 Oct
1993
Established Headquarters: Shin-Okubo, Shinjuku-ku
Feb
1994
Entered into a sales partnership with NetSoft (U.S.) and Newport
Aug
1995
Relocated headquarters from Shin-Okubo to Iwamotocho, Chiyoda-ku
Mar
Jun
Dec
1996
Launched Internet Service Provider (ISP) operations
Opened the Numazu Office in Takazawa-cho, Numazu City
Increased capital to 25 million yen
Apr
1997
Relocated headquarters from Iwamotocho to Yanagibashi, Taito-ku
Jan
Jul  
1998
Opened the Firewall Support Center
Relocated the Numazu Office from Takasawa-cho to Ote-cho, Numazu City
May
2000
Increased capital to 37 million yen
Feb
2002
Opened the Firewall Support Center 24/7/365
Jul
2004
Launched Enterprise Architecture (EA) consulting services
Jan
2005
Launched Technical Support for Security Product System Integrators
Feb
Jun
2006
Obtained BS7799-2:2002 and ISMS Version 2.0 certificationsBS7799-2:2002 & ISMS Version 2.0 Certification
Obtained the General Labor Dispatch Business License
Feb
2007
Transitioned from ISMS and achieved certification for ISO 27001 (ISO/IEC 27001:2005) and JIS Q 27001 (JIS Q 27001:2006)
Jun
2009
Establisjed of N.I. Staff Co., Ltd., as a wholly owned subsidiary
Dec
2012
Opened the IT Communication Salon, NILE
Feb
Jul
Aug
Aug
Oct
Dec
2014
Partnered with Forum Information Academy Vocational School
Formed a business alliance with Japan Decom Service
Formed a strategic business alliance with IPP International Patent Office
Launched IT Secretary® Service
Formed a strategic alliance with Next Education Think Co., Ltd.
Registered the trademark for IT Secretary
Nov
2016
Relocated headquarters from Yanagibashi, Taito Dist., to Hitotsubashi, Chiyoda-ku
Jan
May
2017
Merged with NI Staff Co., Ltd.
Increased capital to 90 million yen
Feb
Apr
2019
Initiated an industry-academia collaboration with Musashino University in the field of data science
Signed an advisory agreement with Musashino University
Jul
Oct
2020
Launched the DX Integration Center®
Establishmented Nile Corporation, as a wholly owned subsidiary
Feb
Apr
2021
Registered the trademark for DX Integration Center
Nile Corporation commenced operations
Feb
Apr
2022
Increased capital to 100 million yen
Opened the Kansai Office in Minami-Senba, Chuo-ku, Osaka City
Oct
2023
Opened the Shin-Yokohama Office in Kohoku-ku, Yokohama City
Dec
2024
Opened the Sapporo Office in Chuo-ku, Sapporo
Feb
2025
Established Briller Co., Ltd., as a wholly owned subsidiary
2026年
7月
100%出資子会社　株式会社NeoTech Innovation設立
Access
アクセス
Headquarters
3rd Floor, Iwanami Shoten Hitotsubashi Building, 2-5-5 Hitotsubashi, Chiyoda-ku, Tokyo 101-0003
The building is a 15-story structure located behind Shueisha; look for the distinctive semicircular (kamaboko-shaped) awning. Please be careful when visiting since there are many buildings in the area with similar names (such as the Iwanami Shoten Headquarters Building, Iwanami Hall, and the Hitotsubashi Building).
Jimbocho Station (Tokyo Metro Hanzomon Line, Toei Shinjuku Line and Mita Line)
 A 2-minute walk from Exit A6 or A8
*If you are using the elevator, please use Exit A8.
Takebashi Station (Tokyo Metro Tozai Line)
6-minute walk from Exit “b1”
Ochanomizu Station (JR), Shin-Ochanomizu Station (Tokyo Metro Chiyoda Line and Marunouchi Line)
11-minute walk
Suidobashi (JR, Toei Mita Line) East Exit
12-minute walk
Kansai Office
3rd Floor, Shinsaibashi Taiyo Building,  3-11-10 Minami-Senba, Chuo-ku, Osaka City, Osaka Prefecture
 542-0081
It is located in the building next to the “Krispy Kreme Doughnuts Kita-Shinsaibashi” store on Shinsaibashi-suji Kita Shopping Street (Shinsaibashi Taiyo Building).
Osaka Metro “Shinsaibashi Station”
A 1-minute walk from Exit “North 8”
Osaka Metro “Honmachi Station”
A 10-minute walk from Exit 12
Shin-Yokohama Office
4th Floor, Shin-Yokohama UU Building, 2-5-2 Shin-Yokohama, Kohoku-ku, Yokohama, 222-0033
The building faces F. Marinos Street, and the “Subway Shin-Yokohama” on the first floor serves as a landmark.
Subway (Yokohama Municipal Blue Line) “Shin-Yokohama Station”
A 1-minute walk from Exit 10
Shin-Yokohama Station (JR, Tokyu Shin-Yokohama Line, and Sotetsu Shin-Yokohama Line)
A 4-minute walk from the North Exit
Sapporo Office
4th Floor, F-60 Building, 1-8 Odori Nishi 8-chome, Chuo-ku, Sapporo, 060-0042
It is located in the building next to the “Sapporo View Hotel Odori Park,” which faces Odori Street. Look for “Marumi Coffee Shop” on the first floor.
Tozai Subway Line, “Nishi-11-chome Station”
A 5-minute walk from Exit 3
Odori Station (Namboku and Toho Lines)
A 6-minute walk from Exit 3