(주)한주에스티 / HANJOO ESTI

Also known as 한주에스티
(주)한주에스티 (HANJOO ESTI) is a head office of a for-profit corporation registered at 서울특별시 구로구 디지털로26길 111, (postal code 08390), working in underwater construction (Construction). It has 5–9 employees. In the KOBDi Industry Ranking it scores 99 points and ranks 138 of 2,451 companies in its industry, ahead of about 94% of them (down 2 places since August 2026). On record: Construction license (Facility maintenance – management, Structural steel & Concrete); Public Procurement Service (PPS) registration (Supplier). Employee growth: -14.29% (2025-2026).
Business Registration Number: 119-**-*019*Corporate Registration Number: 1101**-3215***
Business Status:
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Overview
Address (Korean)
서울특별시 구로구 디지털로26길 111, (08390)
Address (English)
CEO
Business Registration Date
Corporate Registration Date
Business Type
Head office of a for-profit corporation
Industry
Construction > Specialty Infrastructure Works > Underwater construction
Search similar companies in Industry Search →
Listing Status
Unlisted
Business Status
Number of Employees
5–9
Range. Exact number and history for members.
Employee Growth (YoY)
-14.29%
2025-2026
Sales Amount
Sales Growth Rate
-26.09%
KOBDi Score
99
▲ 0 pts (vs. August 2026)
Industry Rank
#138 / 2451
▼ 2 (vs. August 2026)
Intellectual Property
Total registered
On record for this company
Numbers, dates, documents and history are available to members.
HR Information

(주)한주에스티 has 5–9 employees. Headcount, hires, departures, average salary and tenure for (주)한주에스티 come from official pension records; exact figures are for members.

Number of Employees
New Employees (Last 12 Months)
Employees Left (Last 12 Months)
Average Monthly Salary Amount
Average Employee Tenure
Employer Since
Employee Growth (Year Over Year)
Licenses Information

On record for (주)한주에스티: Construction license (Facility maintenance – management, Structural steel & Concrete). Numbers, status and dates for members. Guide: License Knowledge Base.

Construction license
License Number
Status
Date
Certifications Information

KOBDi checks (주)한주에스티 against Korean certification registries (Venture, Inno-Biz, Main-Biz, HACCP, Direct Production and more); results are for members. Guide: Certification Knowledge Base.

Certificate Number
Status
Date
Registrations

On record for (주)한주에스티: Public Procurement Service (PPS) registration (Supplier). Registered items and dates for members. Guide: Registration Knowledge Base.

Public Procurement Service (PPS) registration
Registration Number
Status
Date
Objectives and Activities

Business objectives and activities filed by (주)한주에스티 with the commercial registry; the full list and dates are for members.

ActivityDateStatusDateStatus
Competitors

The closest peers of (주)한주에스티 by industry, size and KOBDi score. Employees, rank and the full list of 20 are for members.

#Competitor NameNumber of EmployeesIndustry RankFull Profile
1비엔에스조경건설(주)
BNS		 Profile
2서울에이엘씨공업
Seoul Alc Industry Co.Kr		 Profile
3청솔종합건설 Profile
4세계로토건
reeboconstruction		 Profile
5주)나래종합조경
NARAE		 Profile
6–20 15 more competitors for members
Financial

Audited statements of (주)한주에스티, as disclosed under Korean external-audit rules; sales, profit and ratios for members.

Auditor Name
Auditor Opinion
Stock Info

Capital, issued shares and par value of (주)한주에스티 from the commercial registry, for members.

Capital
Par Value
Total Issued Shares
Authorized Shares
Common Stock Amount
Court data imported as of:
Branches

Branches of (주)한주에스티 registered with the National Tax Service, for members.

#Branch NameBranch Address
1

Full Profile
2

Full Profile
Affiliated Companies

Group affiliation and subsidiaries of (주)한주에스티, where disclosure is required by Korean fair-trade rules, for members.

#Company (KR)Company (EN)Report Date
1 Full Profile
2 Full Profile
Domestic and Overseas Subsidiaries
#Company (KR)Company (EN)Main BusinessControl TypeStart DateAddress
1
2
Subsidiaries, Grandchildren, and Great-Grandchildren
#Company (KR)Company (EN)OwnershipType
1 FULL PROFILE
2 FULL PROFILE
Group Affiliation (This Company Owned By)
#Group (KR)Group (EN)OwnershipType
1 Full Profile
Shareholders List

Shareholders of (주)한주에스티 and their stakes, where disclosed, for members.

#Shareholder NameNumber of SharesEquity Ratio (%)Stock ClassRelation
1
2
3
Updated to: 
Executives List

Registered directors and officers of (주)한주에스티 from the commercial registry, with history, for members.

NameTitleBirthdateDateStatusDateStatus
Updated to:

Additional executive records from the Financial Services Commission, for members.

#NameBirth DateJobPositionStatusPeriodExpirationGender
1
2
Updated to:
Registered Intellectual Property (South Korea)

Patents, utility models, designs and trademarks registered to (주)한주에스티 with the Korean IP office, for members.

Total Registered Patents
Total Registered Utilities
Total Registered Designs
Total Registered Trademarks
Registered Patents
#Invention NameApplication DateRegistration DateRegistration Number
1
Registered Utilities
#Invention NameApplication DateRegistration DateRegistration Number
1
Registered Designs
#Article NameApplication DateRegistration DateRegistration Number
1
Registered Trademarks
#TitleApplication DateRegistration DateRegistration Number
1
Online Presence

Website, blog, online store and social accounts of (주)한주에스티, for members.

Website(s):

Blog(s):

Online Store(s):

Social Media Platform(s):

Contact Information

Phone, fax, email and exact location of (주)한주에스티, for members.

Address (Korean):
서울특별시 구로구 디지털로26길 111, (08390)
Address (English):
Phone:
Fax:
Email:
Location Map
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