Public Administration › Fair Trade › Corporate Group Portal (Large Enterprise Groups, Holding Companies) — Public Data APIs

Open APIs related to Corporate Group Portal (Large Enterprise Groups, Holding Companies), within Public Administration › Fair Trade on the Public Data Portal. 15 REST APIs, sorted by most requested. Click a name to go to its application page on the Public Data Portal. Search & filter on the main explorer.

  1. Korea Fair Trade Commission – Corporate Group Portal: Inquiry service for affiliated companies of designated large enterprise groups

    Korea Fair Trade Commission · Nationwide · Public Administration › Fair Trade › Corporate Group Portal (Large Enterprise Groups, Holding Companies) · Updated 2026-05-19
    873 requests

    A service that queries affiliated company information of designated large enterprise groups, such as the corporate group name, affiliated company name, corporate registration number, representative, establishment date, and affiliation date based on the large enterprise group designation year-month and corporate group code. ※ Information provision timing for the current year: As of May 1st of the current year ※ Data of designated corporate groups is received (mid-February ~ April)…

    RESTAuto-approvedNo restriction
  2. Korea Fair Trade Commission – Corporate Group Portal – Designated Large Enterprise Group Lookup Service

    Korea Fair Trade Commission · Nationwide · Public Administration › Fair Trade › Corporate Group Portal (Large Enterprise Groups, Holding Companies) · Updated 2026-05-19
    608 requests

    대규모기업집단 지정년월을 기준으로 지정된 기업집단에 대한 기업집단명, 기업집단코드, 계열회사 수, 동일인, 대표회사 등 지정 대규모기업집단의 일반현황 정보를 조회하는 서비스※ 당해년도 정보 제공 시기 : 당해년도 5월 1일 기준※ 지정된 기업집단의 자료를 제출받아(2월 중 ~ 4월 중) 검토 시기를 거쳐…

    RESTAuto-approvedNo restriction
  3. Fair Trade Commission – Corporate Group Portal: Holding Company Subsidiary and Grand-Subsidiary Status Information Inquiry Service

    Fair Trade Commission · Nationwide · Public Administration › Fair Trade › Corporate Group Portal (Large Enterprise Groups, Holding Companies) · Updated 2026-05-19
    543 requests

    A holding company inquiry service that provides general status and financial status information of holding companies reported for establishment/conversion based on disclosure year and holding company classification, as well as the status of subsidiaries and sub-subsidiaries. ※ Current year information provision timing: June and December of the current year ※ Target holding companies submit relevant data in April (1st) and July or September (2nd), and after a review period…

    RESTAuto-approvedNo restriction
  4. Fair Trade Commission – Corporate Group Portal – Large Corporate Group Affiliated Company Overview Information Inquiry Service

    Fair Trade Commission · Nationwide · Public Administration › Fair Trade › Corporate Group Portal (Large Enterprise Groups, Holding Companies) · Updated 2026-05-19
    525 requests

    A service to inquire overview information of affiliated companies belonging to a corporate group based on the large corporate group designation year and month, corporate group code, and corporate registration number, such as corporate group name, affiliated company name, representative name, company establishment date, group incorporation date, industry name, and industry code. ※ Current year information provision timing: As of May 1st of the current year ※ Data of designated corporate groups…

    RESTAuto-approvedNo restriction
  5. Korea Fair Trade Commission – Enterprise Group Portal Large Enterprise Group Affiliated Company Financial Status Inquiry Service

    Korea Fair Trade Commission · Nationwide · Public Administration › Fair Trade › Corporate Group Portal (Large Enterprise Groups, Holding Companies) · Updated 2026-05-19
    475 requests

    대규모기업집단 지정년도와 기업집단코드, 법인등록번호를 기준으로 기업집단에 속한 소속회사의 대표자명, 결산일자, 자산총액, 부채총액, 자본총액, 자본금, 매출액, 당기순이익 등 지정 기업집단 소속회사의 개요 정보를 조회하는 서비스※ 당해년도 정보 제공 시기 : 당해년도 5월 1일 기준※ 지정된 기업집단의 …

    RESTAuto-approvedNo restriction
  6. Korea Fair Trade Commission – Enterprise group portal large enterprise group affiliated company shareholder status information lookup service

    Korea Fair Trade Commission · Nationwide · Public Administration › Fair Trade › Corporate Group Portal (Large Enterprise Groups, Holding Companies) · Updated 2026-05-19
    391 requests

    Service to query executive status information of companies belonging to a designated enterprise group based on large enterprise group designation year, enterprise group code, and corporate registration number, such as shareholder classification, shareholder name, common stock count/shareholding ratio, and preferred stock count/shareholding ratio ※ Current year information provision timing: Based on May 1 of the current year ※ Materials of designated enterprise groups are submitted (February…

    RESTAuto-approvedNo restriction
  7. Fair Trade Commission – Corporate group portal - Large corporate group affiliated company executive status information inquiry service

    Fair Trade Commission · Nationwide · Public Administration › Fair Trade › Corporate Group Portal (Large Enterprise Groups, Holding Companies) · Updated 2026-05-19
    309 requests

    A service to inquire executive status information of affiliated companies belonging to a corporate group based on the large corporate group designation year, corporate group code, and corporate registration number, such as executive names, relationship with the same person, and positions of affiliated companies belonging to the corporate group ※ Provision timing of current year information: Based on May 1 of the current year ※ When receiving and reviewing data of designated corporate groups (mid-February ~ mid-April)…

    RESTAuto-approvedNo restriction
  8. Korea Fair Trade Commission – Corporate Group Portal – Large Corporate Group Affiliation Inclusion/Exclusion/Deferral Change History Inquiry

    Korea Fair Trade Commission · Nationwide · Public Administration › Fair Trade › Corporate Group Portal (Large Enterprise Groups, Holding Companies) · Updated 2026-09-23
    305 requests

    A service that queries data on the status of changes in affiliation inclusion/exclusion/deferral of large corporate groups managed by the corporate group portal, and is public data that records changes in affiliation relationships of companies belonging to large corporate groups in real time. By transparently disclosing the structural changes of corporate groups, market competition conditions are monitored, and inter-company linkage risks are…

    RESTAuto-approvedNo restriction
  9. Korea Fair Trade Commission – Corporate Group Portal Holding Company Establishment Conversion Report Status Information Inquiry Service

    Korea Fair Trade Commission · Nationwide · Public Administration › Fair Trade › Corporate Group Portal (Large Enterprise Groups, Holding Companies) · Updated 2026-05-19
    270 requests

    A service that queries information on the status of holding company establishment/conversion, such as the establishment conversion date, total assets, holding ratio, debt ratio, and number of subsidiaries/sub-subsidiaries/listed companies belonging to holding companies, based on the holding company information disclosure year-month, corporate group code, and corporate registration number. ※ Current year information provision timing: June and December of the current year ※ Target holding companies are April (1st) and July…

    RESTAuto-approvedNo restriction
  10. Korea Fair Trade Commission – Corporate Group Portal: Affiliated Company Participating Industry Information Inquiry Service for Large Corporate Groups

    Korea Fair Trade Commission · Nationwide · Public Administration › Fair Trade › Corporate Group Portal (Large Enterprise Groups, Holding Companies) · Updated 2026-05-19
    265 requests

    대규모기업집단 지정년도와 기업집단코드, 법인등록번호를 기준으로 기업집단에 속한 소속회사의 대표자명, 참여업종명, 대표상품명 등 지정 기업집단 소속회사의 참여업종 정보를 조회하는 서비스.※ 해당 서비스는 업무 변도에 따라 2023년까지만 자료 제공※ 당해년도 정보 제공 시기 : 당해년도 8월 ~ 9월 기준…

    RESTAuto-approvedNo restriction
  11. Fair Trade Commission – Corporate Group Portal – Usable Public Year and Month Inquiry Service

    Fair Trade Commission · Nationwide · Public Administration › Fair Trade › Corporate Group Portal (Large Enterprise Groups, Holding Companies) · Updated 2026-09-09
    247 requests

    Inquiries information on the usable public year and month of corporate groups officially designated through press releases on May 1st of each year, and inquires information on the public year and month of holding companies. This is a service that inquires the request year and month (public year and month or designated year and month), which is a commonly utilized item in corporate group and holding company information provision APIs of the corporate group portal. ※ Ki…

    RESTAuto-approvedNo restriction
  12. Korea Fair Trade Commission – Enterprise Group Portal – Specially Related Persons Internal Equity Status Information Inquiry

    Korea Fair Trade Commission · Nationwide · Public Administration › Fair Trade › Corporate Group Portal (Large Enterprise Groups, Holding Companies) · Updated 2026-05-19
    208 requests

    Service for inquiring internal equity status information of specially related persons (relatives, executives, non-profit legal entities/organizations) among stock ownership status data provided by the Enterprise Group Portal. ※ Current year information provision timing: Based on August to September of the current year ※ Regular stock data of designated enterprise groups (May) is submitted, reviewed, and publicly released through press releases in August of the current year.…

    RESTAuto-approvedNo restriction
  13. Fair Trade Commission – Corporate Group Portal – Circular Shareholding Status Inquiry by Corporate Group

    Fair Trade Commission · Nationwide · Public Administration › Fair Trade › Corporate Group Portal (Large Enterprise Groups, Holding Companies) · Updated 2026-05-19
    181 requests

    A service providing information on the status by year and group of the corporate group > stock ownership > group-specific circular shareholding category managed in the corporate group portal. ※ Timing of providing current year information: Based on August ~ September of the current year ※ Regular stock data (May) of designated corporate groups is submitted, and after a review period, the current year's August ~…

    RESTAuto-approvedNo restriction
  14. Fair Trade Commission – Enterprise Group Portal: Designated large enterprise group asset ranking inquiry service

    Fair Trade Commission · Nationwide · Public Administration › Fair Trade › Corporate Group Portal (Large Enterprise Groups, Holding Companies) · Updated 2026-05-19
    177 requests

    A service that queries asset ranking information of designated large enterprise groups, such as the enterprise group name and total assets, based on the designated year and month and enterprise group code ※ Provision timing of current year information: As of May 1st of the current year ※ After receiving data of designated enterprise groups (mid-February to mid-April) and going through a review period, it is released along with press releases…

    RESTAuto-approvedNo restriction
  15. Fair Trade Commission – Enterprise Group Portal: Internal equity (large-scale comparison) status inquiry

    Fair Trade Commission · Nationwide · Public Administration › Fair Trade › Corporate Group Portal (Large Enterprise Groups, Holding Companies) · Updated 2026-05-19
    176 requests

    A holding company inquiry service that provides internal equity status by enterprise group, year, listed/unlisted, and asset/public corporation classification provided in the enterprise group portal. ※ Provision timing of current year information: Based on August to September of the current year ※ After receiving regular stock data (May) of designated enterprise groups and going through a review period, press releases are made public along with August to September of the current year…

    RESTAuto-approvedNo restriction
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