(주)서신

Also known as 서신
(주)서신 is a Korea-based business registered at 충북 청주시 청원구 오창읍 (Postal code: 28131). It operates as a head office of a for-profit corporation. (주)서신 falls under the Administrative & Business Services industry. It operates within the Other Business Support Services sector, specifically focusing on Commercial manpower supply and personnel management service industry business activities. It has 5–9 employees. According to KOBDi Industry Ranking system, (주)서신 scored 47.32 points and outperforms approximately 65% of companies in the same industry. Recent performance indicators include: Employee growth: 0.00% (industry average: -7.12%).
(주)서신은 충북 청주시 청원구에 있는 그 외 기타 분류 안된 사업 지원 서비스업 기업입니다.
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충북 청주시 청원구 오창읍 (28131)
Head office of a for-profit corporation
Administrative & Business Services > Other Business Support Services > Commercial manpower supply and personnel management service industry
December 2025
0.00%
47.32
- (vs. August 2026)
Top 36%
September 2026

(주)서신's KOBDi Score is 47.32 as of Sep 2026, up 24.01 points since Apr 2025; it rose in 5 of the 12 monthly updates and never fell. As of Sep 2026 it is ahead of about 65% of companies in its industry, against 64% in Aug 2026 and 39% in Apr 2025. Its strongest position was 65% (Sep 2026) and its weakest 39% (Aug 2025).

A year earlier, in Aug 2025, its score was 41.57 and it was ahead of about 39% of companies in its industry.

Sep 202647.32ahead of 65%
Aug 202647.32ahead of 64%
Jul 202647.32ahead of 64%
Jun 202647.32ahead of 64%
May 202647.16ahead of 63%
Apr 202647.16ahead of 62%
Mar 202647.16ahead of 62%
Feb 202647.16ahead of 61%
Dec 202545.41ahead of 56%
Aug 202541.57ahead of 39%
Jul 202523.46ahead of 41%
May 202523.30ahead of 40%
Apr 202523.30ahead of 39%

(주)서신 has 5–9 employees.

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이엠테크 20–29 Top 36%
주식회사제이앤에스컴퍼니 5–9 Top 36%
실버케어존 10–19 Top 36%
주식회사 부국 5–9 Top 36%
주식회사경인 5–9 Top 36%















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충북 청주시 청원구 오창읍 (28131)
Where is (주)서신 located?

(주)서신 is registered at 충북 청주시 청원구 오창읍, South Korea (postal code 28131).

What industry is (주)서신 in?

(주)서신 belongs to Administrative & Business Services › Other Business Support Services › Commercial manpower supply and personnel management service industry.

How many employees does (주)서신 have?

(주)서신 has 5–9 employees.

What is (주)서신's KOBDi Score?

47.32 as of September 2026, ahead of about 65% of companies in its industry.

Who are (주)서신's competitors?

Similar companies include 이엠테크, 제이앤에스컴퍼니 and 실버케어존.

Which businesses are near (주)서신?

Businesses registered at the same postal code (28131) include 육달상회, Joongbu Stage Arts Institute and DAE SHIN. Most work in other semiconductor device manufacturing, distribution board and automatic electric control panel manufacturing and manufacturing machinery for semiconductor manufacturing.

Businesses near (주)서신

Registered at postal code 28131 (중신길, 청주시). Most businesses here work in other semiconductor device manufacturing, distribution board and automatic electric control panel manufacturing and manufacturing machinery for semiconductor manufacturing.

Other commercial manpower supply and personnel management service industry companies in 청주시

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