제이제이건설(주) / JJ

Also known as 제이제이건설
제이제이건설(주) (JJ) is a Korea-based business registered at 서울특별시 관악구 문성로30길 9-1, (Postal code: 08843). It operates as a head office of a for-profit corporation. It was originally registered with the Geumcheon Tax Office and incorporated at the Seoul Central District Court, Registry Bureau. 제이제이건설(주) (JJ) falls under the Construction industry. It operates within the Civil Engineering & Infrastructure sector, specifically focusing on Other civil engineering facility construction industry business activities. It has 1–4 employees. According to KOBDi Industry Ranking system, 제이제이건설(주) (JJ) scored 41.75 points and outperforms approximately 33% of companies in the same industry. Recent performance indicators include: Employee growth: -13.16% (industry average: -5.31%).
제이제이건설(주)는 서울특별시 관악구에 있는 기타 토목 시설물 건설업 기업입니다.
119-**-*191* 1101**-2662***

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서울특별시 관악구 문성로30길 9-1, (08843)
Head office of a for-profit corporation
Construction > Civil Engineering & Infrastructure > Other civil engineering facility construction industry
May 2025
-13.16%
2024-2025
41.75
- (vs. August 2026)
Top 67%
September 2026

JJ's KOBDi Score is 41.75 as of Sep 2026, up 0.32 points since Apr 2025; it rose in 2 of the 12 monthly updates and never fell. As of Sep 2026 it is ahead of about 33% of companies in its industry, against 33% in Aug 2026 and 26% in Apr 2025. Its strongest position was 33% (Sep 2026) and its weakest 26% (Apr 2025).

A year earlier, in Aug 2025, its score was 41.59 and it was ahead of about 28% of companies in its industry.

Sep 202641.75ahead of 33%
Aug 202641.75ahead of 33%
Jul 202641.75ahead of 33%
Jun 202641.59ahead of 31%
May 202641.59ahead of 30%
Apr 202641.59ahead of 30%
Mar 202641.59ahead of 30%
Feb 202641.59ahead of 30%
Dec 202541.59ahead of 30%
Aug 202541.59ahead of 28%
Jul 202541.59ahead of 28%
May 202541.43ahead of 27%
Apr 202541.43ahead of 26%

Between 2024 and 2025, the headcount of JJ changed by -13.16%, against an average of -5.31% in its industry. It now has 1–4 employees.

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(유)용수종합건설
theone		 1–4 Top 67%
지엘종합건설 주식회사
glcorp		 1–4 Top 67%
진성건설(주)
JIN SENG		 1–4 Top 67%
새암종합건설주식회사
saeam.co		 1–4 Top 67%
우주건설(주)
WOOJOO		 1–4 Top 67%















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서울특별시 관악구 문성로30길 9-1, (08843)
Where is JJ located?

JJ is registered at 서울특별시 관악구 문성로30길 9-1,, South Korea (postal code 08843).

What industry is JJ in?

JJ belongs to Construction › Civil Engineering & Infrastructure › Other civil engineering facility construction industry.

How many employees does JJ have?

JJ has 1–4 employees.

What is JJ's KOBDi Score?

41.75 as of September 2026, ahead of about 33% of companies in its industry.

Who are JJ's competitors?

Similar companies include theone, glcorp and JIN SENG.

Which businesses are near JJ?

Businesses registered at the same postal code (08843) include 예우, 푸른냉동 and 뮤엠가야. Most work in other civil engineering facility construction industry, other non-residential welfare service businesses and motorcycle and parts retail.

Businesses near JJ

Registered at postal code 08843 (문성로30길, 관악구). Most businesses here work in other civil engineering facility construction industry, other non-residential welfare service businesses and motorcycle and parts retail.

Other other civil engineering facility construction industry companies in 서울특별시

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