Joseph Costello is licensed to practice in the state of Maryland. The requirements for licensure in Maryland ensure that Joseph Costello maintains the highest standard of knowledge and ethics when operating as an accountant. CPAs may practice as a public accountant, work in private industry, education or government, and are often considered experts in tax preparation. Their overall educational requirements and training in business and knowledge in principles of general law and taxation provide CPAs with the skills to help individuals with both personal and business financial decisions.Joseph Costello is licensed to practice as an accountant in Maryland under the license number .