(주)건일건축사사무소 / KEON-IL

Also known as 건일건축사사무소
(주)건일건축사사무소 (KEON-IL) is a Korea-based business registered at 인천광역시 미추홀구 매소홀로592번길 5-17(문학동, (Postal code: 22235). It operates as a head office of a for-profit corporation. It was originally registered with the Namdong Tax Office and incorporated at the Incheon District Court, Registry Bureau. (주)건일건축사사무소 (KEON-IL) falls under the Professional, Scientific & Technical Services industry. It operates within the Architectural & Engineering Services sector, specifically focusing on Other engineering services business activities. It has 1–4 employees. According to KOBDi Industry Ranking system, (주)건일건축사사무소 (KEON-IL) scored 41.99 points and outperforms approximately 51% of companies in the same industry. Recent performance indicators include: Employee growth: -26.05% (industry average: -2.61%).
(주)건일건축사사무소는 인천광역시 미추홀구에 있는 기타 엔지니어링 서비스업 기업입니다.
131-**-*375* 1201**-0339***

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인천광역시 미추홀구 매소홀로592번길 5-17(문학동, (22235)
Head office of a for-profit corporation
Professional, Scientific & Technical Services > Architectural & Engineering Services > Other engineering services
July 2025
-26.05%
2024-2025
41.99
- (vs. August 2026)
Top 50%
September 2026

KEON-IL's KOBDi Score is 41.99 as of Sep 2026, down 2.70 points since Apr 2025; it rose in 1 and fell in 2 of the 12 monthly updates. As of Sep 2026 it is ahead of about 51% of companies in its industry, against 51% in Aug 2026 and 55% in Apr 2025. Its strongest position was 56% (May 2025) and its weakest 48% (Aug 2025).

A year earlier, in Aug 2025, its score was 41.83 and it was ahead of about 48% of companies in its industry.

Sep 202641.99ahead of 51%
Aug 202641.99ahead of 51%
Jul 202641.99ahead of 51%
Jun 202641.99ahead of 51%
May 202641.99ahead of 51%
Apr 202641.99ahead of 51%
Mar 202641.99ahead of 51%
Feb 202641.83ahead of 50%
Dec 202541.83ahead of 50%
Aug 202541.83ahead of 48%
Jul 202541.90ahead of 50%
May 202544.68ahead of 56%
Apr 202544.68ahead of 55%

Between 2024 and 2025, the headcount of KEON-IL changed by -26.05%, against an average of -2.61% in its industry. It now has 1–4 employees.

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주식회사 민강엔지니어링
MINGANG ENGINEERING CO.,LTD		 1–4 Top 50%
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(주)국제경영기술원 1–4 Top 50%
주식회사 가스마루 1–4 Top 50%















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인천광역시 미추홀구 매소홀로592번길 5-17(문학동, (22235)
Where is KEON-IL located?

KEON-IL is registered at 인천광역시 미추홀구 매소홀로592번길 5-17(문학동,, South Korea (postal code 22235).

What industry is KEON-IL in?

KEON-IL belongs to Professional, Scientific & Technical Services › Architectural & Engineering Services › Other engineering services.

How many employees does KEON-IL have?

KEON-IL has 1–4 employees.

What is KEON-IL's KOBDi Score?

41.99 as of September 2026, ahead of about 51% of companies in its industry.

Who are KEON-IL's competitors?

Similar companies include MINGANG ENGINEERING, 서울엔지니어링앤드컨설팅 and 다온해양.

Which businesses are near KEON-IL?

Businesses registered at the same postal code (22235) include seilarchi, AHE Architect & Engineers and DAEKYONG. Most work in Korean general restaurant business, supermarket and architectural design and related services (architects).

Businesses near KEON-IL

Registered at postal code 22235 (매소홀로592번길, 미추홀구). Most businesses here work in Korean general restaurant business, supermarket and architectural design and related services (architects).

Other other engineering services companies in 인천광역시

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