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Compliance16 min readJanuary 12, 2026

GDPR Compliance for B2B Data: Complete Guide (2026)

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

Does GDPR Apply to B2B Data?

Yes, absolutely. A common misconception is that GDPR only applies to B2C businesses. In reality, GDPR applies to any processing of personal data, including business contact information like names, email addresses, and job titles.

The key principle: If you can identify an individual from the data, it's personal data under GDPR. This includes:

  • Business email addresses (john.doe@company.com)
  • Names and job titles
  • LinkedIn profile URLs
  • Direct phone numbers
  • IP addresses
  • Any combination of data that identifies a person

Generic company information (company name, industry, employee count) without individual identifiers is not personal data and doesn't fall under GDPR.

Key GDPR Principles for B2B

1. Lawful Basis for Processing

You must have a legal basis to process personal data. For B2B, the most common bases are:

  • Legitimate Interest: You have a legitimate business reason (e.g., sales prospecting) and the individual's rights don't override your interest
  • Consent: The individual has explicitly agreed to you processing their data
  • Contract: Processing is necessary to fulfill a contract with the individual

Most B2B companies rely on legitimate interest for prospecting and marketing to business contacts.

2. Transparency

You must be transparent about:

  • What data you collect
  • Why you collect it
  • How you use it
  • Who you share it with
  • How long you keep it

This information should be in your privacy policy and communicated clearly to data subjects.

3. Data Minimization

Only collect data that's necessary for your stated purpose. Don't collect "nice to have" data just because you can. If you're prospecting, you need name, email, and job title—you probably don't need their home address.

4. Purpose Limitation

Use data only for the purpose you collected it for. If you collected an email for a webinar registration, you can't automatically add them to your sales newsletter without separate consent.

5. Storage Limitation

Don't keep data forever. Define retention periods and delete data when it's no longer needed. For example, delete cold leads after 2 years of no engagement.

6. Security

Implement appropriate technical and organizational measures to protect personal data. This includes encryption, access controls, and regular security audits.

Individual Rights Under GDPR

Data subjects have specific rights you must respect:

Right to Access

Individuals can request a copy of all personal data you hold about them. You must respond within 30 days, free of charge.

Right to Rectification

If data is inaccurate or incomplete, individuals can request corrections. You must update or delete the data within 30 days.

Right to Erasure ("Right to be Forgotten")

Individuals can request deletion of their data in certain circumstances, such as when data is no longer necessary or they withdraw consent.

Right to Object

Individuals can object to processing based on legitimate interest, including direct marketing. You must stop processing unless you have compelling legitimate grounds.

Right to Data Portability

Individuals can request their data in a structured, machine-readable format to transfer to another service.

GDPR-Compliant B2B Data Collection

Website Forms

When collecting data through forms:

  • Include a clear privacy notice or link to your privacy policy
  • Use checkboxes for consent (pre-ticked boxes are not valid consent)
  • Separate consent for different purposes (e.g., newsletter vs. sales contact)
  • Make it easy to withdraw consent later

Data Enrichment

When enriching existing contacts with additional data:

  • Ensure you have a lawful basis (typically legitimate interest for B2B prospecting)
  • Only enrich with publicly available data
  • Document your legitimate interest assessment
  • Provide easy opt-out mechanisms
  • Update your privacy policy to reflect enrichment activities

Third-Party Data Providers

When buying or accessing data from third parties:

  • Verify the provider is GDPR-compliant
  • Ensure they have a lawful basis for collecting and sharing the data
  • Review their data processing agreement (DPA)
  • Understand the data source and collection methods
  • Don't assume compliance—do your due diligence

Data Processing Agreements (DPAs)

If you use third-party services that process personal data on your behalf (CRMs, email platforms, enrichment APIs), you need a Data Processing Agreement with each vendor.

What a DPA Should Include

  • Subject matter and duration of processing
  • Nature and purpose of processing
  • Types of personal data processed
  • Categories of data subjects
  • Processor's obligations (security, confidentiality, sub-processors)
  • Data subject rights procedures
  • Data breach notification requirements
  • Data deletion or return upon termination

Most reputable SaaS providers offer standard DPAs. Review them carefully and ensure they meet GDPR requirements.

International Data Transfers

Transferring personal data outside the EU/EEA requires additional safeguards:

Adequacy Decisions

Some countries have been deemed to provide adequate data protection by the EU Commission. You can transfer data to these countries without additional safeguards. Examples: UK, Switzerland, Japan, Canada (commercial organizations).

Standard Contractual Clauses (SCCs)

For transfers to countries without adequacy decisions (like the US), use Standard Contractual Clauses. These are pre-approved contract terms that provide appropriate safeguards.

US Data Privacy Framework

The EU-US Data Privacy Framework (successor to Privacy Shield) allows certified US companies to receive data from the EU. Check if your US vendors are certified.

Legitimate Interest Assessment

If you're relying on legitimate interest for B2B prospecting, document your assessment:

Purpose Test

What is your legitimate interest? Example: "We have a legitimate interest in contacting potential customers to promote our B2B software solution."

Necessity Test

Is processing necessary to achieve that interest? Could you achieve it another way? Example: "Direct outreach to decision-makers is necessary because our product is complex and requires explanation."

Balancing Test

Do the individual's rights and interests override your legitimate interest? Consider:

  • Is the data publicly available (e.g., LinkedIn profile)?
  • Would the individual reasonably expect this use?
  • Is the impact on the individual minimal?
  • Can they easily opt out?

For B2B prospecting using publicly available business contact information, legitimate interest is usually appropriate if you provide easy opt-out and respect objections.

GDPR Compliance Checklist

Essential Steps

  • Appoint a Data Protection Officer (if required)
  • Create and publish a comprehensive privacy policy
  • Maintain a Record of Processing Activities (ROPA)
  • Implement data subject rights request procedures
  • Sign DPAs with all data processors
  • Conduct Data Protection Impact Assessments (DPIAs) for high-risk processing
  • Implement appropriate security measures
  • Establish data breach notification procedures
  • Define data retention periods and deletion procedures
  • Train staff on GDPR requirements

Common GDPR Mistakes in B2B

1. Assuming B2B is Exempt

GDPR applies to B2B data. Business email addresses and contact information are personal data.

2. Buying Email Lists

Purchased email lists are risky. You don't know how consent was obtained or if the data is lawfully collected. This can lead to GDPR violations and damage your reputation.

3. Ignoring Opt-Out Requests

When someone asks to be removed from your list, you must comply immediately. Continuing to contact them is a serious violation.

4. No Privacy Policy

Every website collecting personal data needs a privacy policy. It should be clear, accessible, and regularly updated.

5. Keeping Data Forever

Define retention periods and actually delete old data. Hoarding data "just in case" violates storage limitation.

6. No DPAs with Vendors

If you use CRMs, email platforms, or enrichment APIs, you need DPAs. This is non-negotiable under GDPR.

GDPR Penalties

GDPR violations can result in significant fines:

  • Tier 1: Up to €10 million or 2% of global annual revenue (whichever is higher)
  • Tier 2: Up to €20 million or 4% of global annual revenue (whichever is higher)

Beyond fines, violations can result in:

  • Reputational damage
  • Loss of customer trust
  • Legal costs
  • Operational disruption
  • Mandatory audits

Recent examples: Amazon (€746M), Google (€90M), Meta (€390M). While these are large companies, SMBs are also being fined for violations.

How Netrows Supports GDPR Compliance

When using Netrows for B2B data enrichment:

  • Publicly Available Data: Netrows accesses only publicly available professional data
  • DPA Available: We provide a standard Data Processing Agreement for all customers
  • EU Infrastructure: Data processing happens in EU data centers
  • No Data Storage: We don't store your enriched data—you control retention
  • Transparent Processing: Clear documentation of data sources and processing methods
  • Security: Enterprise-grade security with encryption and access controls

Important: While Netrows provides GDPR-compliant infrastructure, you are responsible for ensuring your use of the data complies with GDPR. This includes having a lawful basis, respecting individual rights, and maintaining proper documentation.

Resources

  • ICO (UK): Comprehensive GDPR guidance and resources
  • EDPB (EU): European Data Protection Board guidelines
  • CNIL (France): French data protection authority with practical guides
  • GDPR.eu: Unofficial but helpful GDPR resource site

Disclaimer: This guide provides general information about GDPR compliance. It is not legal advice. Consult with a qualified data protection lawyer for specific guidance on your situation.

GDPR-Compliant B2B Data Enrichment

Netrows provides GDPR-compliant B2B data enrichment with publicly available professional data. DPA available, EU infrastructure, and transparent processing. Get started with 100 free credits.

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