Recently, I’ve been wondering what exactly CDD is and why companies talk about it so much. It turns out it’s not as complicated as it seems at first glance.

What does CDD mean? It simply stands for Customer Due Diligence, meaning customer verification. Every serious company needs to know who it’s dealing with. It involves collecting and checking information about customers to make sure everything complies with anti–money laundering regulations, meaning AML. This isn’t some new invention—it's been a standard practice in the financial market for years.

In practice, that means that when you open an account, you have to provide your first name, last name, address, date of birth, nationality, and occupation. These are basic details that every company is required to collect. But if you’re considered higher risk, they may ask for more—your PESEL number, passport number, employment history, or source of income.

The fact that companies do this has a specific goal. It’s about identifying potential risks. If something looks suspicious, it’s better to know about it sooner rather than later. That’s why CDD is so important—it allows companies to decide whether to open an account for you and what level of monitoring will be needed.

Collecting this data is done in various ways. Usually, you fill out a form; sometimes it’s an online questionnaire, and the company verifies the information you provide. Everything must be stored securely—companies should use encrypted databases and appropriate access controls.

Interestingly, the importance of CDD is constantly growing. Financial crime isn’t decreasing, so companies have to be increasingly cautious. In the future, they will collect and verify even more data to be sure they operate fully legally and protect their customers.

All in all, it makes sense. When all parties know where they stand, the business runs more safely. CDD isn’t a hindrance—it’s a foundation of trust in the financial market.