코너스톤서울주식회사

Also known as 코너스톤서울
코너스톤서울주식회사 is a Korea-based business registered at 서울 서초구 마방로2길 (Postal code: 06779). It operates as a head office of a for-profit corporation. It was incorporated at the Seoul Central District Court, Registry Bureau. 코너스톤서울주식회사 falls under the Public Administration, Education & Health industry. It operates within the Vocational & Supplementary Education sector, specifically focusing on General education academy business activities. It has 10–19 employees. According to KOBDi Industry Ranking system, 코너스톤서울주식회사 scored 93.60 points (down 0.66 points since August 2026) and outperforms approximately 97% of companies in the same industry. Recent performance indicators include: Employee growth: -7.53% (industry average: -1.44%).
코너스톤서울주식회사는 서울 서초구에 있는 일반 교과학원 기업입니다.
714-**-*077* 1101**-6475***

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서울 서초구 마방로2길 (06779)
Head office of a for-profit corporation
Public Administration, Education & Health > Vocational & Supplementary Education > General education academy
September 2026
-7.53%
2025-2026
12.12%
93.60
▼ 0.66 pts (vs. August 2026)
Top 3%
September 2026

코너스톤서울주식회사's KOBDi Score is 93.60 as of Sep 2026, down 5.61 points since Apr 2025; it rose in 3 and fell in 5 of the 12 monthly updates. As of Sep 2026 it is ahead of about 97% of companies in its industry, against 97% in Aug 2026 and 96% in Apr 2025. Its strongest position was 98% (Jul 2026) and its weakest 96% (Jul 2025).

A year earlier, in Aug 2025, its score was 99.28 and it was ahead of about 97% of companies in its industry.

Sep 202693.60ahead of 97%
Aug 202694.25ahead of 97%
Jul 202696.81ahead of 98%
Jun 202697.59ahead of 98%
May 202698.32ahead of 98%
Apr 202698.32ahead of 98%
Mar 202697.59ahead of 98%
Feb 202695.88ahead of 97%
Dec 202595.88ahead of 97%
Aug 202599.28ahead of 97%
Jul 202599.21ahead of 96%
May 202599.21ahead of 97%
Apr 202599.21ahead of 96%

Between 2025 and 2026, the headcount of 코너스톤서울주식회사 changed by -7.53%, against an average of -1.44% in its industry. It now has 10–19 employees.

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청어람교육1–4Top 3%
백인대장더보스1–4Top 3%
교육공간10–19Top 3%
(주)폴리씨앤씨10–19Top 3%
(주)손스에듀
sonsedu		10–19Top 3%














Financial statements on file for 코너스톤서울주식회사: 2019–2023.

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서울 서초구 마방로2길 (06779)
Where is 코너스톤서울주식회사 located?

코너스톤서울주식회사 is registered at 서울 서초구 마방로2길, South Korea (postal code 06779).

What industry is 코너스톤서울주식회사 in?

코너스톤서울주식회사 belongs to Public Administration, Education & Health › Vocational & Supplementary Education › General education academy.

How many employees does 코너스톤서울주식회사 have?

코너스톤서울주식회사 has 10–19 employees.

What is 코너스톤서울주식회사's KOBDi Score?

93.60 as of September 2026, ahead of about 97% of companies in its industry.

Who are 코너스톤서울주식회사's competitors?

Similar companies include 청어람교육, 백인대장더보스 and 교육공간.

Which businesses are near 코너스톤서울주식회사?

Businesses registered at the same postal code (06779) include REDBC, virus chaser and -. Most work in construction equipment operation, Korean general restaurant business and application software development and supply.

Businesses near 코너스톤서울주식회사

Registered at postal code 06779 (마방로2길, 서초구). Most businesses here work in construction equipment operation, Korean general restaurant business and application software development and supply.

Other general education academy companies in 서초구

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