1. South Korea Stocks

  2. •

    Commercial services

  3. •

    Miscellaneous commercial services
S-1 Corporation

S-1 Corporation

KKRX:012750
96,700.00
KRW
-400.00
(-0.41%)
4,517.57EPS
15.78P/E
2.41TMarket Cap
Jan 22Next Earn
2013 Y
2014 Y
2015 Y
2016 Y
2017 Y
2018 Y
2019 Y
2020 Y
2021 Y
2022 Y
2023 Y
2024 Y
2025 Y
TTM
Revenue per Share
37,706.32
48,353.25
53,227.23
54,136.04
57,443.9
59,704.86
63,631.97
65,765.95
68,393.14
72,993.72
77,513.35
82,952.38
85,452.52
85,169.68
Basic EPS, GAAP
2,383
3,239
4,544
4,157
4,239
3,046
4,337
4,203
3,815
4,467
5,604
5,227
5,281
4,517.74
Free Cash Flow per Basic Share
-788.92
4,081.17
5,295.37
4,122.02
5,081.57
3,154.53
3,742.59
6,076.35
5,242.36
4,126.77
6,226.47
6,448.49
5,160.24
5,249.59
Dividend per Share
1,274.64
1,124.14
1,174.43
1,200.12
1,249.95
2,500.37
2,499.87
2,500.25
2,499.89
2,499.97
2,499.94
2,699.41
2,699.77
- -
Book Value per Share
23,860.14
25,833.74
28,988.05
32,532.91
35,723.75
37,334.86
39,265.64
40,939.06
42,675.57
45,044.51
47,260.34
49,117.11
51,946.52
50,836.66
Tangible Book Value per Share
21,949.57
10,421.99
14,261.95
18,376.52
22,151.62
24,224.58
26,254.01
28,145.16
30,255.71
33,044.53
35,515.6
37,659.85
40,730.94
39,748.97
Basic Weighted Avg Shares
34
34
34
34
34
34
34
34
34
34
34
34
34
34
Sales/Revenue/Turnover
1,274,104
1,634,734
1,799,571
1,830,177
1,942,266
2,018,339
2,151,522
2,223,341
2,312,489
2,467,960
2,620,811
2,804,739
2,889,412
2,879,479
Operating Margin (%)
10.27
9.34
9.59
11.24
10.43
9.87
9.15
9.2
7.77
8.27
8.11
7.46
8.12
7.05
Depreciation Expense
104,333
141,350
147,382
144,933
147,473
144,285
162,009
165,881
169,064
171,166
174,551
172,754
173,932
175,189
Net Income, GAAP
80,522
109,505
153,629
140,536
143,327
102,971
146,642
142,090
128,992
151,032
189,477
176,732
178,567
152,739
Effective Tax Rate (%)
29.64
21.43
23.57
24.51
25.12
48.14
23.8
24.17
24.45
24.77
12.38
20.18
25.48
25.98
Profit Margin (%)
6.32
6.7
8.54
7.68
7.38
5.1
6.82
6.39
5.58
6.12
7.23
6.3
6.18
5.3
Working Capital
334,326
-86,884
27,237
146,886
282,536
355,367
349,103
384,799
447,082
505,685
627,282
725,073
814,892
798,837
LT Debt
- -
- -
- -
- -
- -
- -
15,097
37,259
31,268
26,411
17,308
38,334
36,737
34,735
Total Equity
843,506
915,733
980,356
1,099,945
1,207,838
1,262,318
1,327,606
1,384,185
1,442,896
1,522,989
1,597,907
1,660,671
1,756,331
1,718,814
Return on Invested Capital (%)
11.03
11.99
12.07
14.28
12.75
8.14
11.17
10.8
9.02
9.76
11.32
9.7
9.6
8.37
Return on Capital (%)
9.01
11.34
14.74
13.51
12.42
8.34
11.25
10.23
8.84
9.91
11.89
10.59
10.2
8.77
Return on Common Equity (%)
10.27
13.04
16.58
13.51
12.42
8.34
11.32
10.48
9.13
10.18
12.14
10.85
10.45
9.04

Capital Structure

KRW

•

in mil. unless spec.
Dec'25
Mar'26
Jun'26
ST Debt
18,544
19,391
19,643
LT Borrowings
- -
- -
- -
LT Finance Leases
36,737
36,902
34,735
Preferred Equity and Hybrid Capital
- -
- -
- -
Shares Outstanding
34
34
34
Market Capitalization
2,437,718
2,897,537
2,410,670

Working Capital

KRW

•

in mil. unless spec.
Dec'25
Mar'26
Jun'26
Total Current Assets
1,327,703
1,321,437
1,267,738
Cash, Cash Equivalents & STI
918,720
935,035
904,297
Accounts Receivable, Net
193,408
- -
- -
Inventories
13,251
14,239
14,108
Total Current Liabilities
512,810
568,913
468,901
Payables & Accruals
- -
- -
- -
ST Debt
18,544
19,391
19,643
Deferred Revenue
- -
- -
- -

Growth Rates

KRW

•

in mil. unless spec.

(avg. rate of change)

10 years
5 years
1 year
Total Equity
6.03%
4.88%
5.76%
Free Cash Flow
4.37%
-0.1%
-19.97%
Net Income, GAAP
3.23%
5.53%
1.04%
Sales/Revenue/Turnover
4.86%
5.39%
3.02%
Total Cash Common Dividend
- -
- -
0.02%

Quarterly Revenue

KRW

•

in mil. unless spec.

Year

Q1
Q2
Q3
Q4
FY
2024
662,820
695,650
682,770
763,500
2,804,739
2025
674,118
732,658
698,740
783,896
2,889,412
2026
673,715
723,128
- -
- -
- -

Quarterly Earnings Per Share

KRW

•

in mil. unless spec.

Year

Q1
Q2
Q3
Q4
FY
2024
1,202
1,282
1,607
1,135.13
5,227
2025
1,243
1,541
1,428.41
1,069.42
5,281
2026
636.95
1,383
- -
- -
- -

Quarterly Dividends Per Share

KRW

•

in mil. unless spec.

Year

Q1
Q2
Q3
Q4
FY
2024
- -
- -
0.47
-0.7
2,699.41
2025
- -
- -
- -
- -
2,699.77
2026
- -
- -
- -
- -
- -

Company Description

Company Profile APIChatGPT
CEO
Namgoong Beom
Full Time Employees
7,044
Sector
Commercial services
Industry
Miscellaneous commercial services
Address
25, Sejong-daero 7-gil Seoul SL South Korea 04511
IPO Date
Jan 30, 1996
Website
s1.co.kr
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Business
S-1 Corporation provides integrated security and safety solutions primarily in South Korea and select international markets; its core offerings encompass physical security products and services including alarm monitoring, physical security information management software, smart video management systems, access control systems, optical sensing systems and ultra-wideband sensors; integrated security solutions featuring consulting, engineering, procurement, installation and maintenance for office buildings, commercial facilities, airports, plants, marine transportation systems and critical national infrastructure, alongside residential security, intelligent traffic signal control, parking control systems, traffic monitoring, automated payment systems and CPTED security consulting; information security services such as managed security, cloud security and device management; building management solutions under the S-1 Blue Asset brand covering property management, facility management, real estate consulting and building infrastructure implementation; and additional services including fleet management, personal security phone solutions, call center operations and telemarketing. Founded in 1977 and headquartered at 25 Sejong-daero 7-gil, Jung-gu, Seoul, South Korea, the company operates through segments focused on physical security, integrated security, information security and building management, serving commercial, industrial, residential and public sector clients while expanding into markets including China, Mongolia, Australia, Singapore, Iraq and the United Arab Emirates as an affiliate of the Samsung Group. Recent developments include the launch of the smart building management solution 'Blue Scan' and emphasis on 'Green Security' initiatives to lead ESG management in the industry, alongside announcements of 2025 security trends highlighting AI CCTV expansions for incident prevention, advanced facial recognition technologies, strengthened IP camera protections against hacking and growth in home security solutions amid rising residential crimes.