Overview
Information & Communication

SpiderPlus & Co.

SpiderPlus & Co. develops and provides SPIDERPLUS, a construction DX SaaS platform that enables paperless drawing management, digitized inspection workflows, and overall site productivity improvement for general contractors and MEP subcontractors. The subscription-based service is used by over 2,100 companies and approximately 75,000 users (as of December 2024), primarily large-scale commercial and residential construction project managers. The company leverages over a decade of direct construction industry experience and a robust customer support model to achieve a low monthly average churn rate of 0.9%.

Market Cap
¥12.7B
US$81.2M
EV
¥11.2B
US$71.6M
Stock¥358▼-6.28%
US$1 = ¥156.80 (2026-10-23)
LTM EV/EBITDA
39.4
x
LTM EV/EBIT
103.9
x
LTM PER
205.2
x
LTM PBR
4.7
x
Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-37.1%pt
100
Oct 24, 25 – Oct 23, 26StockTOPIX
MC → EV Bridge
12.7BUS$81.2MMarket Cap0.76BUS$4.83M+ Debt2.26BUS$14.4M− Cash0.00BUS$0.00M− Inv. Sec.11.2BUS$71.6MEV
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Performance & Balance
Revenue 5Y (¥B)
2.21US$14.1M'21/122.48US$15.8M'22/123.19US$20.4M'23/124.07US$26.0M'24/124.90US$31.2M'25/12
EBITDA 5Y (¥B)
-0.41-US$2.61M'21/12-1.02-US$6.50M'22/12-0.28-US$1.78M'23/12-0.36-US$2.29M'24/120.15US$0.96M'25/12
Net Income 5Y (¥B)
-0.51-US$3.26M'21/12-1.04-US$6.61M'22/12-0.46-US$2.95M'23/12-0.77-US$4.92M'24/12-0.02-US$0.11M'25/12
Capital Structure
78%
22%
EquityD/E 0.28xDebt
Liquidity vs Debt 5Y (¥B)▲ Net Cash
CashInv. Sec.Debt
4.20US$26.8M0.18US$1.14M'21/123.04US$19.4M0.45US$2.87M'22/122.85US$18.2M0.50US$3.22M'23/122.74US$17.5M1.03US$6.58M'24/122.48US$15.8M0.84US$5.34M'25/12
Shareholders
Top 10 hold 67.4%
1
Kenji ITO
47.78%
2
Infomart Corporation
5.06%
3
THE BANK OF NEW YORK 133652 (Standing Proxy: Mizuho Bank, Ltd.)
4.90%
4
CHIYOMARU STUDIO Co., Ltd.
2.28%
5
THE BANK OF NEW YORK MELLON 140051 (Standing Proxy: Mizuho Bank, Ltd.)
1.60%
6
Hiroo MASUDA
1.51%
7
Junya YOSHIDA
1.41%
8
Takamasa NODA
0.99%
9
Masato SUZUKI
0.98%
10
Hideki UTO
0.86%
Management
9 officers
Kenji ITO
Representative Director, President
Apr 1992 Joined Showa Corporation Jul 1995 Joined Daiichi Hoon Kogyo Co., Ltd. Oct 1996 Joined Hashimoto Hoon Kogyo Co., Ltd. (now Nihon Ecoline Co., Ltd.) Sep 1997 Founded Ito Kogyo Feb 2000 Established Kei Factory Co., Ltd. (now the Company); Representative Director (current) Sep 2005 Established 9th Co., Ltd.; Representative Director Sep 2010 Established Veysis Co., Ltd.; Representative Director
1973-08-04
Masato SUZUKI
Director, Executive Vice President, General Manager, Corporate Promotion Division
Apr 1997 Joined Ricoh Techno Systems Co., Ltd. (now Ricoh Japan Co., Ltd.) May 1999 Joined Kinki Setsubi Co., Ltd. May 2001 Joined Ideal Co., Ltd. Aug 2005 Joined Works Studio Co., Ltd. Apr 2008 Joined Draft Co., Ltd. Dec 2010 Joined the Company Mar 2017 Director, the Company Apr 2022 Director and Executive Officer, the Company Mar 2025 Director and Vice President, the Company (current)
1978-04-02
Junya YOSHIDA
Director
Apr 2007 Joined Jafco Co., Ltd. (now Jafco Group Co., Ltd.) Feb 2020 Outside Director, the Company (current) Feb 2021 Outside Director, 62Complex Inc. (current) Mar 2021 Managing Partner, KUSABI (Wedge Inc.) (current) Jan 2026 Outside Director, Dress Code Inc. (current)
1983-05-02
Daichi HIROKI
Director
Apr 2008 Joined mixi, Inc. (now MIXI, Inc.) Jan 2013 Executive Officer, Head of Service Division, mixi, Inc. Jun 2016 Co-founder and Director, Rector Inc. (formerly Rector Co.) Jun 2019 Director, Japan CTO Association (general incorporated association) (current) Jun 2022 Co-founder and Representative Director, Rector Inc. (separate legal entity with the same former name) (current) Sep 2022 Outside CTO, The Asahi Shimbun Company (current) Nov 2022 Outside Director, Goodpatch Inc. (current) Mar 2024 Outside Director, the Company (current)
1983-08-06
Ryutaro MORI
Director
Jun 2013 Joined Vapes Inc. Aug 2015 Director, CARTIVATOR Resource Management (general incorporated association) Oct 2015 Co-founder, CFO and CMO, Integricalture Inc. Oct 2019 Co-founder and Representative Director, Anon Inc. (current) Oct 2020 Joined Toyota Motor Corporation Apr 2022 Executive Officer, Head of Innovation Promotion Office, Konica Minolta, Inc. Mar 2024 Outside Director, the Company (current) Apr 2024 Executive Officer, Deputy in charge of Corporate Planning, and Head of Innovation Promotion Office, Konica Minolta, Inc.
1990-08-30
Hitoshi KAWAHARA
Director
Apr 1982 Joined IBM Japan, Ltd. Jan 2010 Senior Managing Executive Officer, General Manager, Software Business Unit, IBM Japan, Ltd. Aug 2011 Vice President and Director, Berlitz Corporation Nov 2012 Vice President and General Manager, Enterprise Sales, salesforce.com K.K. (now Salesforce Japan Co., Ltd.) Apr 2014 Director, President and COO, salesforce.com K.K. Dec 2016 Vice President, Deloitte Tohmatsu Consulting LLC Nov 2018 Chair, Management Committee, Deloitte Tohmatsu Consulting LLC Jul 2024 Advisor, Fleishman-Hillard Japan K.K. (current) Sep 2024 Advisor, SHIFT Inc. (current) Aug 2025 Director, Nihon Kigyo Seicho Toshi Komon Co., Ltd. (current) Dec 2025 Outside Director, Ilgurum Co., Ltd. (current) Mar 2026 Scheduled to assume office as Outside Director, the Company
1959-12-11
Hiroyuki KOGA
Statutory Auditor
Apr 1983 Joined Mitsui & Co., Ltd. Apr 2003 Deputy General Manager, Planning Office, CFO Planning Department, Mitsui & Co., Ltd. Oct 2003 General Manager, Treasury Department, Financial Management Division, Mitsui & Co. (U.S.A.), Inc. (New York) Feb 2011 Seconded to IPM Eagle LLP as Director and CFO (London) Jul 2014 General Manager, Business Development Department, Basic Chemicals Division, Mitsui & Co., Ltd. Oct 2017 Seconded to Nihon Micro Biopharma Co., Ltd. as Vice President and Director Jun 2019 Director and CFO, Liaison Communications Co., Ltd. (now Altius Link Co., Ltd.) Mar 2024 Outside Statutory Auditor, the Company (current)
1960-07-01
Yoshitaka SASAKI
Statutory Auditor
Nov 1996 Joined Nippon Yusoki Co., Ltd. (now Mitsubishi Logisnext Co., Ltd.) Mar 2005 Joined Propast Co., Ltd.; General Manager, Corporate Planning Office Jun 2006 Joined Transaction Co., Ltd. Jun 2011 Joined Hasegawa Kosan Co., Ltd. (now HITOWA Life Partner Co., Ltd.); General Manager, Corporate Planning Office Sep 2012 Director and General Manager, Corporate Planning Office, Hasegawa Holdings Co., Ltd. (now HITOWA Holdings Co., Ltd.) Sep 2012 Director, Hasegawa Nursing Partner Co., Ltd. (now HITOWA Nursing Partner Co., Ltd.) Feb 2014 Joined Showcase TV Co., Ltd. (now Showcase Inc.); General Manager, Administration Division Mar 2014 Director and General Manager, Administration Division, Showcase TV Co., Ltd. Oct 2015 Statutory Auditor, Angie Inc. (current) Apr 2017 Director and CFO, Showcase TV Co., Ltd. Apr 2017 Outside Director, Warmlight Inc. Apr 2017 Outside Director, Incruise Inc. Jul 2017 Statutory Auditor, galaxy Inc. Oct 2018 Established TOKYO Frontier Farm Inc.; Representative Director (current) Dec 2018 Statutory Auditor, Cognirobo Inc. Apr 2019 Outside Director, Real World Games Co., Ltd. May 2019 Statutory Auditor, ZIGZAG Inc. (current) Sep 2019 Outside Director, Value Design Inc. Feb 2020 Outside Statutory Auditor, the Company (current) Mar 2020 Representative Director, CFO Knowledge Inc. (current) Jun 2020 Statutory Auditor, HR Brain Inc. Nov 2020 Established Prime Partners Inc.; Representative Director (current) May 2021 Outside Director, Bertex Inc. (current) Jun 2021 Outside Director (Audit and Supervisory Committee Member), Geniee, Inc. (current) Sep 2022 Director, A-Star Quantum Inc. (current)
1973-09-06
Isaka TAKEDA
Statutory Auditor
Dec 2012 Appointed Public Prosecutor Apr 2020 Registered as Attorney-at-Law; joined Kitahama Law Office (current) Oct 2021 Outside Statutory Auditor, TAKUMINO Holdings Co., Ltd. (current) Apr 2023 Outside Statutory Auditor, Media House Holdings Co., Ltd. (current) Mar 2024 Outside Statutory Auditor, the Company (current) Jun 2024 Outside Director, Tokyo Kikai Seisakusho, Ltd. (current)
1984-06-20
Large Shareholding Reports
Kenji ITO
2026-06-10
53.79%→47.81%
Correction filing (name/detail fix only) — ratio carried over from the original filing
Annual report (as of 2026-06-30): 47.78%
Kenji ITO
2026-06-03
53.79%→47.81%
Annual report (as of 2026-06-30): 47.78%
INFOMART Corporation
2026-06-01
20.71%
Annual report (as of 2026-06-30): 5.06%
Baillie Gifford & Co
2026-03-23
8.01%→6.57%
Disclosures
No disclosures
Primary Source Filings
TDnet
2026-08-12
Q2 Earnings Flash
FY ending Dec 2026
EDINET
2026-08-12
Semi-Annual Securities Report
Period: Jan 2026 – Dec 2026
EDINETAmended
2026-06-10
Change Report
EDINET
2026-06-03
Large Shareholding Report
EDINET
2026-06-01
Large Shareholding Report
TDnet
2026-05-14
Q1 Earnings Flash
FY ending Dec 2026
EDINET
2026-03-24
Annual Securities Report
Period: Jan 2025 – Dec 2025
EDINET
2026-03-23
Large Shareholding Report
TDnet
2025-11-13
Q3 Earnings Flash
FY ending Dec 2025
EDINET
2025-08-06
Semi-Annual Securities Report
Period: Jan 2025 – Dec 2025
TDnet
2025-05-14
Q1 Earnings Flash
FY ending Dec 2025
EDINET
2025-03-26
Annual Securities Report
Period: Jan 2024 – Dec 2024
EDINET
2024-08-14
Semi-Annual Securities Report
Period: Jan 2024 – Jun 2024
EDINET
2024-05-13
Quarterly Securities Report
Period: Jan 2024 – Mar 2024
EDINET
2024-03-26
Annual Securities Report
Period: Jan 2023 – Dec 2023
EDINET
2023-11-07
Quarterly Securities Report
Period: Jul 2023 – Sep 2023
EDINET
2023-08-09
Quarterly Securities Report
Period: Apr 2023 – Jun 2023
EDINET
2023-05-11
Quarterly Securities Report
Period: Jan 2023 – Mar 2023
EDINET
2023-03-29
Annual Securities Report
Period: Jan 2022 – Dec 2022
EDINET
2022-11-10
Quarterly Securities Report
EDINET
2022-08-09
Quarterly Securities Report
EDINET
2022-05-13
Quarterly Securities Report
EDINET
2022-03-29
Annual Securities Report
EDINET
2021-11-12
Quarterly Securities Report
EDINETAmended
2021-11-02
Amended Quarterly Securities Report
EDINET
2021-08-12
Quarterly Securities Report
EDINET
2021-05-13
Quarterly Securities Report
EDINET
2021-03-31
Annual Securities Report
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