Engineering Business Operator Report Requirements — 3 Technical Staff Including a Special-Grade Engineer and an Office

Procedure

1. 1. Decide the business type and specialized fields

   An engineering business may perform all engineering activities, while an engineering consulting business may only perform research, planning, advice and guidance. Choose specialized fields (for example roads and airports, water supply and sewerage, air quality management) under technical sectors such as machinery, electricity, information and communications, construction and environment, and meet the standards for each field.

2. 2. Secure technical staff

   An engineering business needs at least 3 technical engineering engineers including 1 special-grade engineer, and a consulting business needs at least 1 special-grade engineer. Reporting a professional engineer counts as reporting 1 special-grade engineer and 1 junior engineer. Technical staff must be dedicated to engineering activities, and persons whose qualifications are suspended are excluded.

3. 3. Secure an office and file the report

   Secure an office needed for the work and attach proof of technical staff and the office to the report. The Minister of Trade and Industry notifies acceptance within 30 days and, if supplementation is needed, sets a period of up to 3 months for it.

4. 4. Add specialized fields

   To add a specialized field in the same technical sector, you may file an additional report after securing at least 3 technical engineering engineers including at least 1 senior-grade or higher engineer in that field.

5. 5. Change, suspension, closure and succession reports

   If the trade name, business location, representative, business type, specialized field or reported technical staff change, file a change report within 60 days. If you suspend business for 30 days or more or close, report within 30 days, and if you acquire or merge the business, file a succession report within 30 days.

Required documents

• Engineering business operator report form
• Technical staff list and proof of qualifications and experience (national technical qualification certificates, experience certificates, etc.)
• Proof of employment of technical staff (enrollment records for the 4 major social insurances, etc.)
• Proof of office use (lease, etc.)
• Corporate registration certificate (for a corporation)
• Letter of authorization (when submitted by an agent)

Fees

Generally in the hundreds of thousands of won in the industry · We quote after consultation depending on the engineering or consulting business type, the number of specialized fields and whether a business transfer is involved.

See fees and official charges for this service →

Legal basis and review date

• Engineering Industry Promotion Act, Article 2
• Engineering Industry Promotion Act, Article 21
• Engineering Industry Promotion Act, Article 22
• Engineering Industry Promotion Act, Article 23
• Engineering Industry Promotion Act, Article 24
• Engineering Industry Promotion Act, Article 25
• Enforcement Decree of the Engineering Industry Promotion Act, Article 33
• Enforcement Decree of the Engineering Industry Promotion Act, Annex 3

Checked against the statutes on 2026-10-05

Statutes and public notices change, so each case needs to be checked individually. Statute titles are given in English for reference. The Korean statutes are the authoritative text.

Check these first

• Lending the report certificate to others or letting others do business under your name is grounds for loss of report validity.
• After a loss of validity disposition, you cannot report again for 1 year from the disposition date.

Frequently asked questions