Professional services

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

Companies31
Combined revenueKRW 22,049bn
Median revenueKRW 111bn
Largest company's share20.6%

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
ADforus Co., Ltd.397810KOSDAQ2025312-2
ASIA HOLDINGS CO.,LTD002030KOSPI20251,88411151
BK Holdings CO.,LTD.050090KOSDAQ20257-4-4
Carelabs Co.,Ltd263700KOSDAQ202582-320
Chai Communication Co., LTD.351870KOSDAQ20256643
Cheil Worldwide Inc030000KOSPI20254,547337209
DAESUNG HOLDINGS CO., LTD.016710KOSPI20251,2232822
DREAMINSIGHT Co., Ltd.362990KOSDAQ202520-1-0
ECOEYE CO., LTD.448280KOSDAQ20253112
EMNET INC.123570KOSDAQ20253202
EUSU HOLDINGS CO., LTD.000700KOSPI20254182117
GC Corp.005250KOSPI20252,45136-42
HS Ad Inc.035000KOSPI20254842717
IDIS Holdings Co., Ltd054800KOSDAQ20259089078
Incross Co.,Ltd.216050KOSDAQ2025501212
INNOCEAN WORLDWIDE INC.214320KOSPI20252,146163109
INVENI Co., Ltd.015360KOSPI20251,32811287
JEIL PHARMA HOLDINGS INC.002620KOSPI20256583935
kt nasmedia Co., Ltd.089600KOSDAQ2025
Macromill Embrain Co., Ltd.169330KOSDAQ202556-1-1
Mobidays Inc.363260KOSDAQ20254453
NBT INC.236810KOSDAQ202592-7-5
NICE Holdings Co., Ltd034310KOSPI20253,24319877
ORICOM Inc010470KOSDAQ202522898
PlayD Co., Ltd.237820KOSDAQ20254066
RevuCorporation Inc443250KOSDAQ20255696
SIMMTECH HOLDINGS Co., Ltd.036710KOSDAQ20251,528-34-151
SM Culture & Contents Co., Ltd.048550KOSDAQ2025100-1-2
SOLBORN, Inc.035610KOSDAQ20251212535
Sungchang Enterprise Holdings Limited.000180KOSPI2025127-7-21
Wise birds Inc.273060KOSDAQ20254682