beluuga.ai

Overview

Information & Communication

KSK CO.,LTD

KSK Co., Ltd. is a Japanese IT services company operating across three business segments: System Core (LSI/semiconductor design, embedded software development, and hardware design targeting IoT and electronic devices), IT Solutions (package and custom application software development including CAD, Web systems, and data entry services), and Network Services (end-to-end network system design, construction, operation, and maintenance). The company serves major Japanese corporations as a trusted IT partner, offering integrated solutions from system development through on-site operation and maintenance. KSK differentiates itself through field-level execution capability, client-first culture, and a proprietary suite of SaaS products including housing and building maintenance management platforms.

Market Cap

US$172M

¥27.4B

US$67.2M

¥10.7B

StockUS$9.42(¥1,505)▲+0.40%

US$1 = ¥159.70 (2026-11-12)

LTM EV/EBITDA

3.8

LTM EV/EBIT

4.0

LTM PER

13.3

LTM PBR

1.5

Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-35.8%pt

Nov 13, 25 – Nov 13, 26StockTOPIX

MC → EV Bridge

AI Briefing

Generating insights…

Open KSK CO., LTD in the demo →Comps, DCF and WACC for this company. Free, no time limit.

Performance & Balance

Revenue 5Y (US$)

EBITDA 5Y (US$)

Net Income 5Y (US$)

Capital Structure

100%

EquityD/E 0.00xDebt

Liquidity vs Debt 5Y (US$)▲ Net Cash

CashInv. Sec.Debt

Business Segments

2026/03 · US$ (¥B)

Network Service Business

Revenue

US$94.2M(¥15.0B)

Segment profit

US$20.1M(¥3.21B)21.3%

ITSolution Business

Revenue

US$38.0M(¥6.06B)

Segment profit

US$10.1M(¥1.61B)26.6%

SystemCore Business

Revenue

US$29.3M(¥4.68B)

Segment profit

US$6.88M(¥1.10B)23.5%

Adjustments

Revenue

—

Segment profit

-US$19.9M(¥-3.18B)

Shareholders

Top 10 hold 59.3%

as of 2026-09-30 · Source: Annual Securities Report

Yoko YAMAZAKI

13.23%

BBH FOR FIDELITY LOW-PRICED STOCK FUND (Standing Proxy: MUFG Bank, Ltd.)

8.40%

Takeki YAMAZAKI

7.61%

Takehiro YAMAZAKI

7.61%

UH Partners 2 Investment Limited Partnership

7.51%

Hikari Tsushin KK Investment Limited Liability Partnership

4.91%

KSK Employee Stock Ownership Association

3.21%

Kimiko ISHII

2.59%

AGS Corporation

2.42%

Yoko MURAKAMI

1.77%

Management

11 officers

Tomomi KAWAMURA

Representative Director, Chairman

Apr 1974 Joined Kyowa Bank, Ltd. Aug 1998 Joined the Company; Head Office Branch Manager Jun 1999 Managing Director Jun 2000 Senior Managing Director Oct 2000 Assigned as General Manager, KSK College Jun 2001 Representative Director, President Apr 2002 Assigned as General Manager, Audit Office Oct 2004 Assigned as Head of Inspection Department and Head of Business Division Apr 2019 Representative Director, Chairman (current)

1951-01-11

Yoichi MATSUOKA

Representative Director, President

Apr 1980 Joined Kyowa Bank, Ltd. Apr 2001 Head of Business Development Department, Asahi Bank, Ltd. Apr 2004 Tokyo South Regional CEO and Shiba Branch Manager, Resona Bank, Ltd. Sep 2009 Seconded to BML Food Science Co., Ltd.; Deputy Head of Sales Division Jun 2010 Director (seconded), Deputy Head of Sales Division, BML Food Science Co., Ltd. Jun 2012 Senior Managing Director, BML Food Science Co., Ltd. Jun 2013 Joined the Company Jul 2013 Representative Director, President, KSK Techno Support Co., Ltd. Apr 2024 General Manager, Administration Division (in charge of Corporate Planning), the Company Jun 2024 Representative Director, President (current)

1956-01-26

Shunichi ASAMI

Director, Executive Officer, General Manager of Business Planning Division

Apr 1983 Joined IBM Japan, Ltd. Jul 1996 Sales Department Manager, IBM Japan, Ltd. Jan 2008 Business Unit General Manager, Nissan Business Unit, IBM Japan, Ltd. Jan 2010 Sales Department Manager, Global Process Services, IBM Japan, Ltd. Jan 2011 Executive Officer, Global Process Services, IBM Japan, Ltd. Jan 2014 General Manager, Enterprise Sales, Global Technology Services, IBM Japan, Ltd. Apr 2017 Joined the Company; General Manager, Network Business Division Oct 2017 Head of Business Division; Head of Business Promotion Department Jun 2018 Director Apr 2019 Executive Officer (current); General Manager of Business Planning Division (current)

1959-09-19

Sadamitsu TERAUCHI

Director, Executive Officer, in charge of DX Promotion and Risk Management

Apr 1985 Joined the Company Jul 2000 Group Leader, NTT Group Business Unit No. 1, Enterprise Department May 2004 Director, KSK Techno Support Co., Ltd. Jan 2006 Manager, Systems Engineering Business Unit, Network Business Division Jul 2011 Manager, Systems Engineering Business Unit, Network Services Business Division Jan 2018 General Manager, Network Services Business Division Apr 2018 Head of No. 2 Network Services Business Division Jun 2018 Director Apr 2019 Executive Officer (current); Deputy Head of Network Services Business Division Jun 2020 Head of Network Services Business Division Jan 2025 In charge of DX Promotion and Risk Management (current)

1964-09-23

Kyosuke KAWABE

Director, Executive Officer, General Manager of Administration Division

Apr 1987 Joined Kyowa Bank, Ltd. Jul 2005 Branch Manager, Ofuna Branch, Resona Bank, Ltd. Jan 2008 Group Leader, Group Strategy Department, Resona Holdings, Inc. Apr 2009 Head of No. 3 Sales Department, ShinToshin Sales Department, Resona Bank, Ltd. Apr 2012 Head of No. 2 Tokyo Sales Department, Tokyo Sales Department, Resona Bank Apr 2015 Head of Tokyo Pension Sales Department, Resona Bank Nov 2017 Head of Resona Sales Promotion Department, Showa Leasing Co., Ltd. Apr 2018 Executive Officer, Head of Resona Sales Promotion Department, Showa Leasing Co., Ltd. Apr 2019 Head of Product Development Sales Department, Resona Kessai Service Co., Ltd. Apr 2020 Joined the Company; Deputy Head of Administration Division Jun 2020 Director; Executive Officer (current) Jun 2020 General Manager of Administration Division (current)

1964-11-25

Hidetoshi TAWADA

Director

Nov 1980 Joined Asahi Kaikei-sha Audit Corporation Sep 1984 Registered as Certified Public Accountant May 1996 Partner, Asahi Audit Corporation May 2006 Designated Partner, Azusa Audit Corporation Jul 2014 Head, Tawada Certified Public Accountant Office (current) Jun 2015 Appointed Outside Director of the Company (current)

1956-02-02

Hiroshi IGUCHI

Director

Apr 1976 Joined NEC Engineering, Ltd. Jun 1980 Transferred to NEC IC Microcomputer Systems, Ltd. Jun 1994 General Manager, No. 1 Microcomputer Development Department, Kyushu LSI Development Center, NEC IC Microcomputer Systems, Ltd. Jun 1998 General Manager, ASIC Design Center, NEC IC Microcomputer Systems, Ltd. Jun 2002 General Manager, Advanced LSI Development Division, NEC Micro Systems, Ltd. Jun 2003 Executive Officer, NEC Micro Systems, Ltd. Sep 2006 General Manager, No. 1 System LSI Business Division, NEC Electronics Corporation Apr 2007 General Manager, No. 2 SoC Business Division, NEC Electronics Corporation Jun 2009 Representative Director, President, NEC Micro Systems, Ltd. Apr 2010 Representative Director, President, Renesas Micro Systems Co., Ltd. Sep 2013 Retired from Renesas Micro Systems Co., Ltd. Jun 2022 Appointed Outside Director of the Company (current)

1950-07-13

Junko SUZUKI

Director

Apr 1994 Joined Mitsubishi Corporation Aug 2007 Joined BP Japan K.K. Aug 2008 Vice President, Gas Japan, IST, BP Japan K.K. Jul 2016 Representative Director, BP Japan K.K. Jul 2018 Left BP Japan K.K. Nov 2018 Joined Renova Inc. and assumed position of CHRO Jan 2019 Executive Officer, CHRO, Renova Inc. Jun 2022 Left Renova Inc. Jun 2023 Appointed Outside Director of the Company (current) Jul 2023 Executive Officer, Medpeer, Inc. Mar 2025 Outside Director, BASE Inc. (current)

1971-05-04

Ikuo UCHIYAMA

Audit & Supervisory Board Member (Full-time)

Apr 1979 Joined the Company Apr 1997 General Manager, Data Communication Systems Department, Software Business Division Dec 1999 Sales Department Manager, No. 2 Sales Group, Sales Division Apr 2006 Manager, Enterprise Solutions Business Unit, IT Solutions Business Division, Business Division Jul 2014 General Manager, IT Solutions Business Division, Business Division Mar 2016 Head of IT Solutions Business Division, Business Division Jun 2016 Director Dec 2016 Representative Director, KSK Data Co., Ltd. Apr 2019 Executive Officer; Deputy Head of Systems Solutions Business Division Jun 2020 Audit & Supervisory Board Member (current)

1959-03-08

Kazuo SHIOHATA

Audit & Supervisory Board Member

Jul 2001 General Manager, Yokohama Regional Division, Asahi Bank, Ltd. Jun 2002 Joined Kenwood Corporation; Senior Managing Executive Officer Jun 2007 Representative Director and CEO, Kenwood Corporation Jun 2009 Director, JVC KENWOOD Holdings, Inc. Jun 2010 Representative Director, JVC KENWOOD Holdings, Inc. Jun 2011 Audit & Supervisory Board Member of the Company (current) Jun 2011 Director, JVC KENWOOD Holdings, Inc. Oct 2011 Director, JVC KENWOOD Corporation

1950-06-29

Hisamitsu YAMAUCHI

Audit & Supervisory Board Member

Apr 1993 Registered as Attorney-at-Law; joined Nishikiori Fukayama Law Office Mar 2000 Left Nishikiori Fukayama Law Office Apr 2000 Opened Yamauchi Wada Law Office Nov 2005 Opened Yamauchi Sogo Law Office Jun 2022 Audit & Supervisory Board Member of the Company (current) Jun 2023 Part-time Auditor, Daiichi Kangyo Credit Cooperative (current)

1964-01-03

Large Shareholding Reports

Fidelity Management & Research Company LLC

2026-10-09

9.10%→8.01%

UH Partners 2

2026-10-09

6.77%→6.77%

UH Partners 2

2026-10-08

5.97%→6.77%

Fidelity Management & Research Company LLC

2026-09-24

8.36%→9.10%

UH Partners 2 Co., Ltd.

2026-06-24

5.38%→5.97%

FMR LLC

2026-06-24

8.83%→9.00%

Correction filing (name/detail fix only) — ratio carried over from the original filing

Fidelity Management & Research Company LLC

2026-06-24

—

Fidelity Management & Research Company LLC

2026-06-24

7.65%→8.36%

Correction filing (name/detail fix only) — ratio carried over from the original filing

Fidelity Management & Research Company LLC

2026-06-24

8.84%→7.65%

Correction filing (name/detail fix only) — ratio carried over from the original filing

Fidelity Management & Research Company LLC

2026-06-24

9.00%→8.84%

Correction filing (name/detail fix only) — ratio carried over from the original filing

FMR LLC

2026-06-22

8.83%→9.00%

Fidelity Management & Research Company LLC

2026-06-22

7.65%→8.36%

Fidelity Management & Research Company LLC

2026-06-22

8.84%→7.65%

Fidelity Management & Research Company LLC

2026-06-22

9.00%→8.84%

Fidelity Management & Research Company LLC

2026-06-22

8.83%→9.00%

UH Partners 2 Co., Ltd.

2025-09-29

4.58%→5.38%

Disclosures

No disclosures

Primary Source Filings

EDINET

2026-11-09

Semi-Annual Securities Report

Period: Apr 2026 – Mar 2027

KSK CO.,LTD

Try the full product

KSK CO.,LTD

Try the full product

More Japanese companies in Information & Communication