noun
investigation company; research agency
A company that conducts investigations or research, often private. Can refer to detective agencies, market research firms, or survey companies.
その調査会社は市場調査を専門としている。
That research agency specializes in market research.
彼は調査会社に素行調査を依頼した。
He hired an investigation company to conduct a background check.
探偵事務所 specifically refers to a detective agency, while 調査会社 is a broader term that can include various types of investigation and research companies.
リサーチ会社 is a loanword-based term often used for market or academic research firms, whereas 調査会社 is a native Japanese compound with a wider scope including private investigations.
Compound of 調査 (investigation, research) and 会社 (company).