Firstly, you must look into the laws and regulations regarding starting a private investigation company. Contact the regulatory body and consider applying for the licenses and permits to perform investigations.
You might also need to get proper training as this business required surveillance and counter surveillance. Therefore, it is essential to get the right kind of training before jumping into this venture. Also work out the time and money required to complete the training course. If you think you do not have the time to take the training, consider changing your plans instantly.
When applying for a private investigator license, make sure you satisfy all the documentation requirements. Look for a job in an investigation company. This will help you polishing your investigation skill and your will be able to make valuable contact in the industry. Working in an investigation company, your reputation in the field will be established significantly.
Research the laws and regulations regarding this business. Check the requirement you will have to meet in order to obtain the business license, certifications and registration. Now choose an area of niche, i.e what area of expertise will you offer to your clients.
Start working on an efficient and reliable marketing strategy. Start spreading the word in every possible way. Also consider, promoting your business via social media marketing tools.