Some private investigators charge an upfront fee for a base fee, and a retention fee is similar to a deposit that can be used for future work. The booking amount depends on the detective agency, market and case type, as a consumer make sure you know exactly if you need to withhold fees and how the money will be used for future investigations.
Most private investigators charge by the hour for surveillance, investigation, and other services. The total cost is then multiplied by the hourly rate multiplied by the hours worked to determine the final charge.
Detectives sometimes charge a flat fee for services such as background checks, address checks, or in some cases surveillance. With a flat rate, the total price is the same regardless of how many hours an investigator spends working on a case.
The cost of hiring a private investigator can vary greatly depending on the experience of the private investigator. A detective agency with a long career is usually more expensive than someone new to the industry. In theory, those with more experience are more likely to solve your problem and more likely to solve it in less time. 私家偵探 is one of the most famous detective agencies in Hong Kong, China, with many years of experience. Needless to say, they have fully utilized their years of knowledge, skills and experience to every client.