Detective Agency (探偵事務所, Tantei Jimusho) are known offices used by Detectives or Private Investigators. It is a well known locations where clients can tell them many things that is happening and what the client is worried about. A detective agency is also well-known for female clients when they are getting stalked or if they can't tell the policy about house violence.
Known detective agencies in the Detective Conan world is that of Kogorō Mōri and also the locations where he lives with his daughter Ran Mōri. Shinichi as Conan Edogawa is currently staying at there to find more information about the Black Organization. Another well known detective agency is that of Yūsaku Kudō, which is inside his house in the library, but that is unconfirmed.