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Total security solution provider

Since its start as Korea’s first security company in 1977, S-1 has been working hard for
the past 40 years or so to keep its customers feel ‘safe and secure’.

Security No.1 S-1

No. 1 management goal is customer satisfaction

S-1 presents customers
with the best value and solutions.

Ethical management based on fundamentals

S-1, trusted by customers and society,
is a leader of ethical corporate culture.

Improvement of enterprise value

S-1 balances its revenue while leveraging
its competencies to create valuable businesses
and grow its market share.