also: こうし
Refers specifically to a company or firm in a Chinese context, such as a mainland Chinese or Taiwanese corporation. Not used for Japanese companies.
from Chinese gōngsī
He works for a Chinese company.
That firm has its headquarters in Shanghai.
企業 is a broader term for 'enterprise' used for businesses of any nationality, while 公司 is reserved for Chinese firms.
Standard kanji form; the reading コンス is the most common and news-frequent pronunciation.
Alternate reading こうし is listed but is rare; コンス is strongly preferred in modern Japanese.
Borrowed from Chinese 公司 (gōngsī), meaning 'company' or 'corporation'. The reading コンス reflects the Chinese pronunciation, while こうし is a rare Sino-Japanese reading.