concession-based business; company holding a concession; concessionaire
Refers to a business or company that operates by obtaining exclusive rights or concessions, often from the government. The term can carry a nuance of profiting from privileged access or political connections.
その利権ビジネスは公共事業を独占している。
That concession-based business monopolizes public works projects.
政治家と利権ビジネスの癒着が問題になった。
Collusion between politicians and concessionaire companies became a problem.
Compound of 利権 (りけん, 'concession, rights') and ビジネス ('business'). The exact origin is uncertain, but it likely emerged in modern Japanese to describe businesses built around government-granted concessions or privileges.