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Legal11 min readDecember 4, 2025

GDPR Compliance for B2B Data: Complete Guide 2026

Everything you need to know about GDPR compliance when using B2B data. Legal requirements, best practices, and how to stay compliant.

Understanding GDPR for B2B Data

The General Data Protection Regulation (GDPR) is the EU's comprehensive data protection law. While many associate GDPR with B2C consumer data, it also applies to B2B professional data. However, the rules and requirements differ significantly.

This guide explains how GDPR applies to B2B data enrichment, what you need to do to stay compliant, and common misconceptions.

B2B vs B2C Data Under GDPR

Key Differences

AspectB2C DataB2B Data
Consent RequiredUsually YesNot Always
Legitimate InterestLimitedWidely Applicable
Right to ErasureStrongQualified
Marketing RulesStrictMore Flexible

What Counts as B2B Data?

B2B data includes professional information used in a business context:

  • Work email addresses (name@company.com)
  • Job titles and professional roles
  • Company affiliations
  • Professional skills and experience
  • Business phone numbers
  • LinkedIn profiles and professional networks

⚠️ Important Distinction

Personal email addresses (gmail.com, yahoo.com) are considered B2C data and have stricter GDPR requirements. Always use work email addresses for B2B purposes.

Legal Basis for Processing B2B Data

GDPR requires a legal basis for processing personal data. For B2B data, the most common bases are:

1. Legitimate Interest

The most common legal basis for B2B data processing. You can process data if:

  • You have a legitimate business interest
  • Processing is necessary for that interest
  • Individual's rights don't override your interest

Examples of legitimate interest:

  • Lead generation for B2B sales
  • Market research and analysis
  • Recruitment and talent sourcing
  • Business development

2. Consent

Explicit permission from the individual. Required when:

  • Sending marketing emails
  • Processing sensitive data
  • Legitimate interest doesn't apply

3. Contract Performance

Processing necessary to fulfill a contract. Applies when:

  • Individual is a customer or partner
  • Processing is required for service delivery
  • Data is needed for contract execution

GDPR Requirements for B2B Data Enrichment

1. Data Processing Agreement (DPA)

When using a data enrichment provider, you must have a DPA that specifies:

  • Purpose and duration of processing
  • Type of personal data processed
  • Obligations and rights of both parties
  • Security measures implemented
  • Sub-processor arrangements

2. Privacy Policy

Your privacy policy must disclose:

  • What data you collect
  • How you use it
  • Third parties you share it with
  • Legal basis for processing
  • Individual rights and how to exercise them
  • Data retention periods

3. Data Security

Implement appropriate technical and organizational measures:

  • Encryption in transit and at rest
  • Access controls and authentication
  • Regular security audits
  • Incident response procedures
  • Staff training on data protection

4. Individual Rights

Provide mechanisms for individuals to exercise their rights:

  • Right to Access: Provide copy of their data
  • Right to Rectification: Correct inaccurate data
  • Right to Erasure: Delete data upon request
  • Right to Object: Stop processing for marketing
  • Right to Portability: Provide data in machine-readable format

5. Data Retention

Don't keep data longer than necessary:

  • Define retention periods for different data types
  • Automatically delete old data
  • Document retention policies
  • Review and update regularly

Choosing a GDPR-Compliant Data Provider

When selecting a B2B data enrichment provider, verify they:

Essential Requirements

  • Provide DPA: Offer standard data processing agreements
  • EU Presence: Have EU-based servers or Standard Contractual Clauses
  • Security Certifications: ISO 27001, SOC 2, or equivalent
  • Transparent Sourcing: Explain how they collect data
  • Opt-Out Mechanism: Allow individuals to remove their data
  • Regular Audits: Conduct compliance audits
  • Breach Notification: Have incident response procedures

Questions to Ask Providers

  1. How do you source your data?
  2. Do you provide a Data Processing Agreement?
  3. Where are your servers located?
  4. What security measures do you implement?
  5. How do you handle data subject requests?
  6. Do you have GDPR compliance certifications?
  7. What's your data retention policy?
  8. How do you handle data breaches?

Implementing GDPR Compliance

Step 1: Conduct Data Audit

Document all personal data you process:

  • What data you collect
  • Where it comes from
  • How you use it
  • Who you share it with
  • How long you keep it

Step 2: Establish Legal Basis

For each processing activity, identify the legal basis:

  • Legitimate interest for lead enrichment
  • Consent for marketing emails
  • Contract for customer data

Step 3: Update Privacy Policy

Ensure your privacy policy covers:

  • All data processing activities
  • Third-party data providers
  • Individual rights
  • Contact information for data requests

Step 4: Implement Technical Measures

  • Encrypt databases
  • Implement access controls
  • Set up automated data deletion
  • Create data request workflows

Step 5: Train Your Team

Ensure all staff understand:

  • GDPR requirements
  • Data handling procedures
  • How to respond to data requests
  • Incident reporting procedures

Step 6: Monitor and Review

Regularly review compliance:

  • Conduct annual audits
  • Update policies as needed
  • Track data subject requests
  • Review third-party compliance

Common GDPR Myths for B2B Data

Myth 1: "GDPR doesn't apply to B2B data"

Reality: GDPR applies to all personal data, including B2B professional information. However, the requirements are more flexible for B2B data.

Myth 2: "I need consent for all B2B marketing"

Reality: Legitimate interest is often sufficient for B2B marketing. Consent is required for electronic marketing under ePrivacy Directive, but this is separate from GDPR.

Myth 3: "I can't use data enrichment APIs"

Reality: Data enrichment is legal under GDPR when done correctly. Use compliant providers and establish proper legal basis.

Myth 4: "GDPR only applies to EU companies"

Reality: GDPR applies to any company processing data of EU residents, regardless of company location.

Myth 5: "I must delete all data upon request"

Reality: Right to erasure has exceptions. You can retain data if needed for legal obligations, contract performance, or legitimate interests.

Penalties for Non-Compliance

GDPR violations can result in significant fines:

  • Tier 1: Up to €10 million or 2% of global revenue
  • Tier 2: Up to €20 million or 4% of global revenue

Beyond fines, non-compliance can lead to:

  • Reputational damage
  • Loss of customer trust
  • Legal costs
  • Business disruption

GDPR Compliance Checklist

Essential Steps:

  • Conduct data audit and document processing activities
  • Establish legal basis for each processing activity
  • Sign Data Processing Agreements with all vendors
  • Update privacy policy with complete disclosures
  • Implement data security measures
  • Create data subject request workflows
  • Set up automated data retention and deletion
  • Train staff on GDPR requirements
  • Establish incident response procedures
  • Conduct regular compliance audits

Frequently Asked Questions

Do I need consent to enrich B2B leads?

Not necessarily. Legitimate interest is often sufficient for B2B lead enrichment. However, you must conduct a legitimate interest assessment and provide opt-out mechanisms.

Can I send cold emails to B2B contacts under GDPR?

Yes, but you must comply with ePrivacy Directive (separate from GDPR). Use legitimate interest as legal basis, provide clear opt-out, and respect unsubscribe requests immediately.

What's the difference between GDPR and ePrivacy?

GDPR governs data protection generally. ePrivacy Directive specifically regulates electronic communications (emails, calls). Both apply to B2B marketing.

Do I need a Data Protection Officer (DPO)?

Only if you're a public authority, conduct large-scale monitoring, or process sensitive data at scale. Most B2B companies don't need a DPO, but should designate someone responsible for compliance.

How long can I keep B2B data?

As long as necessary for your purpose. Typical retention: active leads (2-3 years), customers (duration of relationship + 6 years), inactive contacts (1 year). Document your retention policy.

What if someone requests data deletion?

You must respond within 30 days. Delete the data unless you have a legal basis to retain it (contract, legal obligation, legitimate interest). Document your decision.

Does GDPR apply to US companies?

Yes, if you process data of EU residents. GDPR has extraterritorial reach. US companies must comply when targeting EU markets.

Can I use LinkedIn data for B2B marketing?

You can use publicly available professional information, but not by scraping LinkedIn directly. Use compliant third-party providers that source data legally.

What's a legitimate interest assessment?

A documented evaluation showing: (1) you have a legitimate business interest, (2) processing is necessary, (3) individual's rights don't override your interest. Required when using legitimate interest as legal basis.

How do I handle data breaches?

Notify supervisory authority within 72 hours if breach poses risk to individuals. Notify affected individuals if high risk. Document all breaches and response actions.

Use GDPR-Compliant B2B Data

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