SUNGDO Engineering & Construction.

At a glance

SUNGDO Engineering & Construction. filed 28 disclosures in the last 12 months, including 2 contract, 2 buyback and 1 insider. The most recent key filing was on Oct 30: Worth 14.9% of last year's revenue, over about 15 months.

Revenue for 2025 was ₩743B, down 25.6% on 2024. Operating margin was 7.8% against 2.7% a year earlier. Debt was 120% of equity at year end. The latest interim report (2026 H1) shows revenue of ₩319B and operating profit of ₩18B.

The 2025 annual report lists 618 employees with an average tenure of 5.3 years and average pay of ₩73.8M, #502 of 1,829 listed companies by average pay. Its 5 directors and auditors were paid ₩436M each on average. It paid ₩250 per common share in cash dividends, against ₩200 a year earlier (+25%). 서인수 and related parties held 35.40% at year end.

From the 2025 annual report

Staff: 618 (572 men, 46 women), of whom 80 on fixed-term contracts. Total pay for the year: ₩45.8B. Directors and auditors: 5, paid ₩2.2B in total.

Dividends (common shares)

Largest shareholder

서인수 holds 21.98%; with 4 related parties the group holds 35.40% of common shares at year end.

Individuals paid ₩500M or more

Auditor: 인덕회계법인 · opinion: Unqualified.

Source: 2025 annual business report (DART). How figures are combined

New contracts, last 12 months

2 new supply contracts worth 25% of the revenue stated in the filings.

Amended amounts replace the originals. Subsidiary contracts and terminations are excluded.

Financial summary