Recommended professional institutions that must be visited for paternity testing. With the development of society, the demand for paternity testing is gradually increasing. Many families have a need for paternity testing, but how to choose a professional agency for testing? This article will recommend professional institutions for paternity testing from four aspects: the institution’s professionalism, service quality, price standards and customer evaluation. The professionalism of the organization. Choosing a professional organization for paternity testing can ensure the accuracy and scientificity of the testing results. Therefore, when choosing an agency, consider the professionalism of the agency. First, consider whether the organization has legal qualifications and certificates.