(주)세진구조이앤씨 / sejin

Also known as 세진구조이앤씨
(주)세진구조이앤씨 (sejin) is a Korea-based business registered at 서울특별시 서초구 방배동 765-14번지 (Postal code: 06925). It operates as a head office of a for-profit corporation. It was originally registered with the Yeoksam Tax Office and incorporated at the Seoul Central District Court, Registry Bureau. (주)세진구조이앤씨 (sejin) falls under the Professional, Scientific & Technical Services industry. It operates within the Architectural & Engineering Services sector, specifically focusing on Architectural design and related services business activities. It has 1–4 employees. According to KOBDi Industry Ranking system, (주)세진구조이앤씨 (sejin) scored 41.93 points (up 0.06 points since August 2026) and outperforms approximately 78% of companies in the same industry. Recent performance indicators include: Employee growth: 0.00% (industry average: -4.14%).
(주)세진구조이앤씨는 서울특별시 서초구에 있는 건축 설계 및 관련 서비스업 기업입니다.
220-**-*720* 1101**-2710***

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서울특별시 서초구 방배동 765-14번지 (06925)
Head office of a for-profit corporation
Professional, Scientific & Technical Services > Architectural & Engineering Services > Architectural design and related services
September 2026
0.00%
2025-2026
41.93
▲ 0.06 pts (vs. August 2026)
Top 22%
September 2026

sejin's KOBDi Score is 41.93 as of Sep 2026, up 0.33 points since Apr 2025; it rose in 4 of the 12 monthly updates and never fell. As of Sep 2026 it is ahead of about 78% of companies in its industry, against 78% in Aug 2026 and 79% in Apr 2025. Its strongest position was 80% (May 2025) and its weakest 76% (Aug 2025).

A year earlier, in Aug 2025, its score was 41.65 and it was ahead of about 76% of companies in its industry.

Sep 202641.93ahead of 78%
Aug 202641.87ahead of 78%
Jul 202641.87ahead of 78%
Jun 202641.87ahead of 78%
May 202641.87ahead of 78%
Apr 202641.87ahead of 78%
Mar 202641.71ahead of 78%
Feb 202641.65ahead of 78%
Dec 202541.65ahead of 78%
Aug 202541.65ahead of 76%
Jul 202541.60ahead of 79%
May 202541.60ahead of 80%
Apr 202541.60ahead of 79%

Between 2025 and 2026, the headcount of sejin changed by 0.00%, against an average of -4.14% in its industry. It now has 1–4 employees.

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주식회사인건축사사무소 1–4 Top 22%
주식회사유승건축사사무소 1–4 Top 22%
건축사사무소마당
ARCHITECTURE MADANG INC		 1–4 Top 22%
주식회사그린텍이앤씨 1–4 Top 22%
주식회사 디에이치건축사사무소 1–4 Top 22%















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서울특별시 서초구 방배동 765-14번지 (06925)
Where is sejin located?

sejin is registered at 서울특별시 서초구 방배동 765-14번지, South Korea (postal code 06925).

What industry is sejin in?

sejin belongs to Professional, Scientific & Technical Services › Architectural & Engineering Services › Architectural design and related services.

How many employees does sejin have?

sejin has 1–4 employees.

What is sejin's KOBDi Score?

41.93 as of September 2026, ahead of about 78% of companies in its industry.

Who are sejin's competitors?

Similar companies include 인건축사사무소, 유승건축사사무소 and ARCHITECTURE MADANG.

Other architectural design and related services companies in 서초구

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