Who owns S&J Corporation?

S&J Corporation is a privately held company.

Where is S&J Corporation headquartered?

S&J Corporation is headquartered in Tokyo, Japan.

What products does S&J Corporation sell?

S&J Corporation sells S&J SCS Evaluation Support Service, S&J KeepEye RansomSafe, and S&J Web AI Diagnosis.

S&J Corporation

Security OperationsTokyo, Japanfounded 2018privatesandj.co.jp ↗

S&J Corporation is a cybersecurity company specializing in Security Operations, founded in 2018 and headquartered in Tokyo, Japan. It employs about 6 people and is privately held.

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updated Oct 11, 2026

S&J Corporation products

S&J SCS Evaluation Support ServiceAdvisory service helping Japanese firms meet SCS supply chain security evaluation
S&J KeepEye RansomSafePre-execution ransomware encryption blocking that complements EDR, with S&J-managed 24/7
S&J Web AI DiagnosisAI-driven web app vulnerability assessment with manual review, FQDN pricing

S&J Corporation employees and hiring

As of September 2026, S&J Corporation has about 6 employees.

Employees: 6
Open roles: 0

See hiring trends

S&J Corporation competitors

Competitors of S&J Corporation include eResilience, Punk Security, and Cocoon CS. 299 more are in the platform, with overlap scoring.

matched by product category and features

View all 302 competitors with overlap scores

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The other 440 data points.

Funding historyevery round, every investor named
Headcount growthvelocity, departments, seniority
Open jobslive postings, hiring pace, role mix
Tech stackframeworks, clouds, security
Competitorsfull set, overlap scored
Leadershipevery exec, with roles
Customersnamed publicly, with sources
Reviews & newssentiment, coverage, cadence

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Funding, round by round, with the investors
Headcount, hiring and the people
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The other 440 data points.

Funding historyevery round, every investor named
Headcount growthvelocity, departments, seniority
Open jobslive postings, hiring pace, role mix
Tech stackframeworks, clouds, security

Similar in Security Operations

Common questions about S&J Corporation.

How many people work at S&J Corporation?: As of September 2026, S&J Corporation has about 6 employees.
Who owns S&J Corporation?: S&J Corporation is a privately held company.
Where is S&J Corporation headquartered?: S&J Corporation is headquartered in Tokyo, Japan.
Who are S&J Corporation's competitors?: Competitors of S&J Corporation include eResilience, Punk Security, and Cocoon CS. 299 more are in the platform, with overlap scoring.
What does S&J Corporation do?: S&J Corporation is a cybersecurity company specializing in Security Operations, founded in 2018 and headquartered in Tokyo, Japan.
What products does S&J Corporation sell?: S&J Corporation sells S&J SCS Evaluation Support Service, S&J KeepEye RansomSafe, and S&J Web AI Diagnosis.