청윤디엔씨 주식회사 / Y&K

Also known as 청윤디엔씨
청윤디엔씨 주식회사 (Y&K) is a Korea-based business registered at 서울특별시 영등포구 은행로 (Postal code: 07241). It operates as a head office of a for-profit corporation. It was originally registered with the Yeongdeungpo Tax Office and incorporated at the Seoul Central District Court, Registry Bureau. 청윤디엔씨 주식회사 (Y&K) 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, 청윤디엔씨 주식회사 (Y&K) scored 33.25 points and outperforms approximately 68% of companies in the same industry.
청윤디엔씨 주식회사는 서울특별시 영등포구에 있는 기업입니다.
107-**-*278* 1101**-4608***

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서울특별시 영등포구 은행로 (07241)
Head office of a for-profit corporation
Professional, Scientific & Technical Services > Architectural & Engineering Services > Architectural design and related services
December 2023
33.25
- (vs. August 2026)
Top 33%
September 2026

Y&K's KOBDi Score is 33.25 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 68% of companies in its industry, against 68% in Aug 2026 and 70% in Apr 2025. Its strongest position was 71% (May 2025) and its weakest 66% (Aug 2025).

A year earlier, in Aug 2025, its score was 33.09 and it was ahead of about 66% of companies in its industry.

Sep 202633.25ahead of 68%
Aug 202633.25ahead of 68%
Jul 202633.25ahead of 68%
Jun 202633.09ahead of 68%
May 202633.09ahead of 68%
Apr 202633.09ahead of 68%
Mar 202633.09ahead of 68%
Feb 202633.09ahead of 68%
Dec 202533.09ahead of 68%
Aug 202533.09ahead of 66%
Jul 202533.09ahead of 70%
May 202532.93ahead of 71%
Apr 202532.93ahead of 70%

Y&K has 1–4 employees.

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주식회사이재건축사사무소
eajae		 1–4 Top 33%
주식회사 린엔지니어링건축사사무소
LINN ARCHITECTURAL FIRM		 1–4 Top 33%
건축사사무소 유피이엠 5–9 Top 33%
프롬프트아키텍쳐 주식회사 1–4 Top 33%
(주)건원구조기술사사무소 1–4 Top 33%















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서울특별시 영등포구 은행로 (07241)
Where is Y&K located?

Y&K is registered at 서울특별시 영등포구 은행로, South Korea (postal code 07241).

What industry is Y&K in?

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

How many employees does Y&K have?

Y&K has 1–4 employees.

What is Y&K's KOBDi Score?

33.25 as of September 2026, ahead of about 68% of companies in its industry.

Who are Y&K's competitors?

Similar companies include eajae, LINN ARCHITECTURAL FIRM and 건축사사무소 유피이엠.

Which businesses are near Y&K?

Businesses registered at the same postal code (07241) include 대한민국가족지킴이, KIAI and KYOUNG HUN. Most work in management consulting business, Korean general restaurant business and application software development and supply.

Businesses near Y&K

Registered at postal code 07241 (은행로, 영등포구). Most businesses here work in management consulting business, Korean general restaurant business and application software development and supply.

Other architectural design and related services companies in 영등포구

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