JLK

제이엘케이 · 322510

Information Technology Software · KOSDAQ

Small-cap

Market cap US$78.9M (₩108.9B)

Overview

JLK develops artificial-intelligence software used to help analyse medical images, such as brain scans, to assist clinicians in detecting and assessing conditions more quickly.

Its products are used in hospital and clinical settings. The company is listed on KOSDAQ, South Korea's technology-focused stock exchange. Revenue has been growing, though the business is currently operating at a loss.

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

Financials

Source: DART · FY ending Dec · latest FY2025

Revenue · FY2025

US$2.4M

▲ +133.9% YoY

Operating profit · FY2025

−US$9.6M

Loss widened

Net income · FY2025

−US$9.9M

Loss widened

Revenue, operating profit and net income by fiscal year (USD; KRW in parentheses).
Metric	FY2023	FY2024	FY2025
Revenue	US$1.8M(₩2.5B)	US$1M(₩1.4B)	US$2.4M(₩3.3B)
Operating profit	−US$5.2M(−₩7.1B)	−US$9.2M(−₩12.7B)	−US$9.6M(−₩13.2B)
Net income	−US$5.3M(−₩7.3B)	−US$9.7M(−₩13.4B)	−US$9.9M(−₩13.6B)

Revenue

FY2023US$1.8M
FY2024US$1M
FY2025US$2.4M

Operating profit

FY2023−US$5.2M
FY2024−US$9.2M
FY2025−US$9.6M

Net income

FY2023−US$5.3M
FY2024−US$9.7M
FY2025−US$9.9M

Key ratios (FY2025)

ROE

-32.9%

Debt/Eq

80.0%

Op. margin

-395.3%

Net margin

-407.4%

Rev. YoY

▲ +133.9%

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