Seoul Guarantee Insurance

서울보증보험 · 031210

Financials Insurance · KOSPI

Large-cap

Market cap US$2.2B (₩3T)

Overview

Seoul Guarantee Insurance provides surety and guarantee insurance, policies that protect one party in a transaction if the other fails to meet their obligations, to businesses and individuals across South Korea.

Policyholders range from contractors and financial institutions to everyday consumers engaging in credit-based transactions. Listed on KOSPI, South Korea's main stock exchange, it is the only licensed comprehensive guarantee insurer in the country under the Insurance Business Act, giving it a singular position in the domestic market. Revenue comes from two streams: premiums earned on guarantee policies and investment income generated from managing those premium funds.

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

Financials

Source: DART · FY ending Dec · latest FY2025
Revenue · FY2025
US$4.4M
Operating profit · FY2025
US$272.2M
Net income · FY2025
US$194.5M

Revenue

  • FY2025US$4.4M

Operating profit

  • FY2025US$272.2M

Net income

  • FY2025US$194.5M

Key ratios (FY2025)

ROE
5.2%
Debt/Eq
81.1%
Op. margin
6167.9%
Net margin
4406.5%
Rev. YoY
N/A (see filing)

Why it matters

Under Korean insurance law, Seoul Guarantee Insurance holds the sole nationwide licence to operate as a comprehensive guarantee insurer, a status explicitly granted by regulators.

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For informational purposes only. This is not investment advice, a recommendation, or a solicitation to buy or sell any security. Do your own research; any investment decision is your own responsibility.

Data from DART, Korea's official corporate-filing system. Data sourced from official DART filings. Accuracy is not guaranteed. Figures are as of the date shown. As of 2026-06-12 (KST). · FX: 1 USD ≈ ₩1,380 (2026-06-01).

Company summaries are generated and may contain errors; financial figures are mapped directly from official filings.