SeoSanCo

서산 · 079650

Materials Construction Materials · KOSDAQ

Small-cap

Market cap US$14.9M (₩20.5B)

Overview

SeoSanCo makes ready-mixed concrete and precast concrete products, including utility poles for power and telecommunications networks, high-strength foundation piles, and concrete pipes, as well as electric-vehicle charging equipment.

Its concrete products serve a broad customer base ranging from government agencies and large construction companies to individual clients, while its charging-equipment business is at an early stage with limited results so far. Listed on KOSDAQ, Korea's tech and small-cap board, the company operates two distinct divisions: concrete manufacturing and energy solutions.

Summary is AI-generated and may contain errors · figures from DART filings

Financials

Source: DART · FY ending Dec · latest FY2025

Revenue · FY2025

US$32.7M

▲ +26.4% YoY

Operating profit · FY2025

−US$2.4M

Loss widened

Net income · FY2025

−US$2.1M

Loss widened

Revenue, operating profit and net income by fiscal year (USD; KRW in parentheses).
Metric	FY2023	FY2024	FY2025
Revenue	US$29.9M(₩41.3B)	US$25.9M(₩35.7B)	US$32.7M(₩45.1B)
Operating profit	−US$1.1M(−₩1.6B)	−US$1.8M(−₩2.5B)	−US$2.4M(−₩3.3B)
Net income	US$1.1M(₩1.5B)	−US$1.8M(−₩2.5B)	−US$2.1M(−₩2.8B)

Revenue

FY2023US$29.9M
FY2024US$25.9M
FY2025US$32.7M

Operating profit

FY2023−US$1.1M
FY2024−US$1.8M
FY2025−US$2.4M

Net income

FY2023US$1.1M
FY2024−US$1.8M
FY2025−US$2.1M

Key ratios (FY2025)

ROE

-2.8%

Debt/Eq

5.4%

Op. margin

-7.4%

Net margin

-6.3%

Rev. YoY

▲ +26.4%

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