KYB Onboarding Checklist for Marketplaces
A simple checklist to onboard vendors fast while staying compliant.

Know Your Business (KYB) onboarding is critical for marketplaces and platforms that need to verify and onboard merchants quickly while maintaining compliance. A streamlined KYB process can accelerate vendor onboarding, reduce abandonment, and ensure regulatory compliance.
This checklist provides a practical framework for building an efficient KYB onboarding process that balances speed with compliance requirements.
Pre-Onboarding Preparation
Set yourself up for success by preparing your KYB infrastructure before merchants arrive.
Technology Infrastructure
- ✅ Implement automated document verification systems
- ✅ Set up API integrations with data providers (Dun & Bradstreet, etc.)
- ✅ Configure sanctions and watchlist screening tools
- ✅ Establish secure document storage with encryption
- ✅ Build automated workflow management system
Compliance Framework
- ✅ Define risk tolerance and acceptance criteria
- ✅ Establish enhanced due diligence triggers
- ✅ Create compliance policies and procedures
- ✅ Set up audit trails for all verification steps
- ✅ Implement ongoing monitoring requirements
Essential Business Information Collection
Gather core business information efficiently without overwhelming potential merchants.
Basic Business Details
- Legal business name and any trade names (DBAs)
- Business registration number/EIN/Tax ID
- Date of incorporation or business formation
- Business type (LLC, Corporation, Partnership, etc.)
- Registered business address
- Primary business phone number and email
Business Operations
- Industry/sector and specific business activities
- Primary products or services offered
- Target markets and customer demographics
- Estimated monthly transaction volume
- Average transaction size
- Seasonal business patterns (if applicable)
Use smart forms that adapt based on business type to only show relevant fields.
Document Verification Requirements
Require the minimum necessary documents while ensuring comprehensive verification.
Core Documents (Required for All)
- Certificate of incorporation or business registration
- Articles of incorporation or operating agreement
- Business license (if required for industry)
- Tax identification document
- Bank account verification (voided check or bank letter)
Additional Documents (Risk-Based)
- Financial statements (for high-volume merchants)
- Proof of business address (utility bill, lease agreement)
- Professional licenses (for regulated industries)
- Supplier agreements (for resellers)
- Insurance certificates (for high-risk businesses)
Beneficial Ownership Verification
Identify and verify individuals who own or control the business entity.
Ownership Threshold Requirements
- Collect information on all individuals owning 25%+ of the business
- Identify all individuals with significant control or influence
- Document ownership structure and voting rights
- Verify identity of all beneficial owners
- Screen beneficial owners against sanctions lists
Required Individual Information
- Full legal name and any aliases
- Date of birth
- Residential address
- Government-issued ID (driver's license, passport)
- Social Security Number or Tax ID
- Role in the business and percentage ownership
Automated Verification Checks
Leverage technology to speed up verification while maintaining accuracy.
Business Verification APIs
- Business registry lookups (Secretary of State databases)
- Tax ID verification through IRS databases
- Credit bureau business credit reports
- Industry licensing verification
- Address validation and standardization
Individual Verification APIs
- Identity verification through credit bureaus
- Social Security number validation
- Address history verification
- Criminal background checks (if required)
- Sanctions and PEP screening
Automated verification can resolve 70-80% of applications without manual review.
Risk Assessment Framework
Implement consistent risk scoring to determine appropriate due diligence levels.
Risk Factors to Evaluate
- Industry risk level (high-risk vs. standard)
- Geographic risk (domestic vs. international)
- Transaction volume and velocity
- Business model complexity
- Beneficial owner risk factors
- Regulatory compliance history
Risk-Based Due Diligence Levels
- Low Risk: Automated verification only
- Medium Risk: Enhanced documentation + manual review
- High Risk: Comprehensive due diligence + ongoing monitoring
- Prohibited: Automatic rejection for certain risk categories
Manual Review Process
Design efficient manual review workflows for cases requiring human evaluation.
Review Queue Management
- Prioritize applications by risk level and business value
- Set SLA targets for review completion (24-48 hours)
- Assign specialized reviewers for high-risk applications
- Track review performance and bottlenecks
- Escalate complex cases to senior compliance staff
Review Documentation
- Document all verification steps taken
- Record rationale for approval/rejection decisions
- Note any additional monitoring requirements
- Maintain audit trail for regulatory compliance
- Store all documentation securely with access controls
Ongoing Monitoring Requirements
KYB compliance doesn't end at onboarding. Establish ongoing monitoring processes.
- Regular sanctions screening (daily/weekly)
- Business registry updates and changes
- Credit monitoring for financial health changes
- Transaction pattern monitoring for unusual activity
- Annual business information updates
- Trigger-based reviews for significant changes
Communication and User Experience
Keep merchants informed throughout the onboarding process to reduce abandonment.
- Provide clear timeline expectations upfront
- Send automated status updates at key milestones
- Explain any additional documentation requests clearly
- Offer self-service status checking portal
- Provide dedicated support for onboarding questions
Performance Metrics to Track
Monitor these KPIs to optimize your KYB onboarding process:
- Application completion rate (started vs. submitted)
- Average onboarding time by risk level
- Automated vs. manual review ratios
- Approval/rejection rates by business type
- Customer satisfaction scores
- Compliance audit findings and remediation
Regulatory Considerations by Jurisdiction
Adapt your KYB process to meet local regulatory requirements.
United States
- FinCEN beneficial ownership requirements
- OFAC sanctions screening
- State money transmitter licensing compliance
- Industry-specific regulations (SAFE Act for mortgage)
European Union
- 4th and 5th Anti-Money Laundering Directives
- PSD2 requirements for payment institutions
- GDPR data protection compliance
- Country-specific business registry requirements
TheroPay's KYB onboarding platform automates verification, risk assessment, and ongoing monitoring while maintaining full compliance. Get merchants onboarded faster without compromising on due diligence.