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What is Customer Due Diligence?

Customer Due Diligence (CDD) is the process of verifying who a customer is, understanding their financial behaviour, and deciding the right level of monitoring for that relationship. It is a core requirement under AML/CFT (Anti-Money Laundering and Countering the Financing of Terrorism) regulations. Financial institutions are required to collect and verify customer information at onboarding, and to review that information periodically or when risk indicators change. Sigma CDD helps compliance and operations teams run these checks consistently and at scale, combining identity verification, risk scoring, screening, and reporting into a single workflow.

Why it Matters

Regulators including the CBN, FATF-aligned authorities, and other financial intelligence units require institutions to know their customers and demonstrate that they do. Failing to implement effective CDD can result in:
  • Regulatory fines and sanctions against your institution
  • Facilitating transactions linked to financial crime
  • Reputational damage and loss of correspondent banking relationships
  • Delayed or failed regulatory audits
CDD is not just a one-time onboarding check. It is an ongoing obligation throughout the customer relationship.

When to Run CDD

CDD should be run at several points in the customer lifecycle:
TriggerWhat it covers
OnboardingVerify identity and establish an initial risk profile before activating the relationship
Periodic reviewRefresh checks on a scheduled basis (quarterly, annually) based on risk tier
Risk triggerRe-run checks when a customer’s activity raises new concerns: unusual transactions, change in business nature, or a new adverse media hit
Regulatory requestProduce a verified compliance record on demand for audit or reporting purposes

Core CDD Capabilities

Sigma CDD covers five core capabilities:
  • Identity Verification: Verify customer identity details against government databases and document sources.
  • PEP, Sanctions, and Adverse Media Screening: Screen customers against global watchlists, sanctions programmes, and news intelligence.
  • Risk Assessment: Apply configurable risk criteria to score and classify customers into risk tiers (low, medium, high).
  • Review and Decisioning: Review flagged outcomes, investigate findings, and record final compliance decisions.
  • Reporting: Generate compliance-ready reports summarising verification results, risk scores, and screening outcomes.

Getting Started

Follow the dashboard flow for setup, execution, and review.

Use Case

See how CDD supports onboarding and risk management.