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What is Enhanced Due Diligence (EDD)?

Last updated: 23 October 2026

What Is Enhanced Due Diligence (EDD)?

Enhanced due diligence (EDD) is a deeper review that a financial institution carries out when a standard customer due diligence (CDD) check shows that an individual or organization needs closer scrutiny. It goes beyond verifying identity to understand where a customer’s money comes from, who ultimately owns or controls them, and what risk the relationship presents. EDD is a core part of a risk-based approach to AML, and it is a regulatory requirement for higher-risk customers in most jurisdictions.

When is EDD required?

EDD is triggered when a customer, product, location or behavior presents a higher risk of money laundering, terrorist financing or sanctions exposure. Common triggers include:

  • Politically exposed persons. Customers who are PEPs, or their family members and close associates.
  • Higher-risk countries. Customers who do business in jurisdictions with weak controls, including those identified by FATF.
  • Complex ownership. Layered structures, nominees or shell companies that hide the ultimate beneficial owner.
  • Higher-risk products or relationships. Examples include correspondent banking, private banking and cash-intensive businesses.
  • Adverse findings. Negative media, sanctions concerns or a high customer risk rating.
  • Unusual activity. Behavior flagged by transaction monitoring that does not fit the customer’s profile.

What does EDD involve?

Requirements differ by jurisdiction, but EDD typically includes:

  • Collecting additional identity and background information
  • Establishing and verifying source of wealth and source of funds
  • Understanding the purpose and expected nature of the relationship
  • Reviewing adverse media and sanctions exposure for the customer and related parties
  • Obtaining senior management approval to onboard or continue the relationship
  • Applying enhanced, more frequent ongoing due diligence and monitoring

What is the difference between CDD and EDD?

Comparison Standard CDD Enhanced due diligence
When it applies All customers Higher-risk customers or situations
Depth Verify identity and assess risk Investigate wealth, funds, ownership and reputation
Approval Standard onboarding process Often senior management sign-off
Monitoring Regular, risk-based More intensive and more frequent
Evidence Core identity documents Additional documents and independent sources

Some jurisdictions also allow simplified due diligence for demonstrably low-risk customers, so CDD sits in the middle of a three-level scale. See KYC for the wider process.

What are the challenges of EDD?

EDD is time-consuming and often manual, with analysts searching multiple sources and writing up their findings. Poor data on ownership and beneficial owners makes it harder, and inconsistent processes between analysts create audit risk. Doing too little exposes the firm to regulatory action, while doing too much for lower-risk customers adds cost and delays onboarding.

How does AI support EDD?

AI can speed up research and make it more consistent. It can screen adverse media, map ownership structures, link related parties through entity resolution and summarize the evidence. Agentic AI can assemble a full EDD file for an analyst to review and approve, while keeping an audit trail. With perpetual KYC, EDD can also be refreshed when risk changes instead of on a fixed schedule. See how SymphonyAI KYC and CDD software supports this.

FAQs

Is EDD mandatory?
For higher-risk customers, yes. AML laws in most major jurisdictions require enhanced measures in defined situations, such as PEPs and high-risk countries, and the FATF Recommendations set the international baseline.

What is the difference between EDD and KYC?
KYC is the overall process of identifying and understanding a customer. EDD is the extra layer of KYC applied to higher-risk customers.

What is source of wealth versus source of funds?
Source of wealth explains how a customer accumulated their overall wealth. Source of funds explains where the money in a specific transaction or relationship came from.

How often should EDD be refreshed?
More often than standard due diligence, and whenever something material changes, such as a new adverse media hit, a change in ownership or unusual activity.

For more, see anti-money laundering (AML).