Business support services

4 companies listed in Korea file under this classification. Figures below are each company's most recent filed year, mostly 2025.

Companies4
Combined revenueKRW 5,581bn
Median revenueKRW 1,096bn
Largest company's share52.3%

We show the median rather than the average because one company often carries a whole classification. The largest firm's share of combined revenue is there so you can see when that is happening.

All companies, by name

Listed alphabetically, not ranked. We do not order companies by size or call any of them leading, major or top.

CompanyMarketYearRevenueOperating profitNet profit
AJ Networks Co.,Ltd.095570KOSPI20251,0707228
CUCKOO HOMESYS CO.,LTD284740KOSPI20251,121169134
LOTTE rental co., ltd.089860KOSPI20252,919313127
SOCAR, Inc.403550KOSPI202547123-18