GDPR-compliant contact data

Since Sep 24Updated Nov 2, 2026Based on 20 AI responsesReviewed by

How we measure

AI summary

has a wide lead for GDPR-compliant B2B contact data for sales teams in Europe.

It depends

For broader market-intelligence needs, answers also mention for database depth, .io for engagement, 6sense for predictive intent, and Crunchbase for funding signals.

leads this topic, but leads B2B Market & Sales Intelligence Tools overall.

Brands AI mentions

#BrandMentioned in
#1Cognism100%

GDPR-compliant, phone-verified contact data with EMEA coverage.

#2Dealfront · dealfront.com65%
#2Kaspr65%
#2Apollo50%
#5Dealfront · leadfeeder.com40%
Mentioned in on each AI engine, by brand
Mentioned inChatGPTChatGPTGoogle AI ModeGoogle AI Mode
Cognism100%100%
Dealfront80%50%
Kaspr50%80%
Apollo100%0%
Dealfront30%50%

Questions and answers

  • ChatGPTOct 28, 2026

    1. 1Cognism
    2. 2Dealfront
    3. 3Dealfront
    4. 4Apollo
    5. 5Dropcontact
    6. 6LinkedIn Sales Navigator

    For a B2B sales team operating across Europe, I’d prioritize contact-data providers that offer transparent data sourcing, GDPR support, country-specific compliance guidance, and controls for suppressing or deleting contact records.

    One important distinction: no contact-data tool can guarantee that every use of its data is fully GDPR-compliant. Compliance depends on the data source, the countries you target, your legal basis for processing, how you conduct outreach, and whether you honor objections and opt-outs. Buying a database or using a vendor with a GDPR-compliance statement doesn't remove your responsibilities as a data controller.

    Here are the tools I would shortlist for a European sales operation.

    Recommended B2B contact-data tools

    • Cognism – Sales Intelligence & Data Enrichment Platform – Daidu.ai

    1. Cognism

    (Best starting point for Europe)

    Best for: established SDR/BDR teams, outbound sales, verified mobile numbers

    Cognism is my first vendor to evaluate for Europe. It publishes details about GDPR-related processes, contact notifications, screening against 15 major do-not-call and telephone preference lists, and security certifications including ISO 27001 and SOC 2 Type II.

    Trade-off: Enterprise-oriented pricing and a sales-led buying process.

    Official website and compliance information

    • GDPR true compliance and transparency | Dealfront

    2. Leadfeeder

    Best for: European account intelligence and identifying target companies

    Leadfeeder, formerly associated with the Dealfront brand, is worth evaluating when you want European company data, firmographics and website-visitor intelligence. Its approach is particularly useful for building account lists from company-level information rather than relying entirely on a large individual-contact database.

    Trade-off: Company identification and account intelligence are not substitutes for verified direct contact details.

    Official website

    • Search: apollo.io Logo PNG Vectors Free Download

    3. Apollo.io

    Best for: SMBs, startups and teams needing an all-in-one sales platform

    Apollo combines contact discovery, email and phone data, prospecting workflows and sales engagement. It is a reasonable candidate if you want to control costs and consolidate several sales tools. European data depth and country-specific compliance controls should be tested before committing.

    Trade-off: Don't assume broad global coverage means equally good data quality or legal suitability in every European country.

    Official website

    • Dropcontact: Enrich all your B2B contacts | Product Hunt

    4. Dropcontact

    Best for: enriching an existing CRM or prospect list

    Dropcontact is worth assessing if you already have company names and professional contact records and want to enrich them, particularly with European prospects. This is a different buying decision from purchasing a full prospect database.

    Trade-off: Validate match rates, data provenance and the lawful basis for processing your particular records.

    Official website

    • Linkedin sales navigator logo png - igokool

    5. LinkedIn Sales Navigator

    Best for: finding the right decision-makers and researching accounts

    A useful option if your sales process starts with identifying the correct role, seniority, company and buying committee. It is more of a prospect-discovery tool than a direct-email and mobile-number database.

    Trade-off: You may need a separately vetted data provider to obtain and validate contact details.

    Official website

    My shortlist would start with Cognism for contact data, Leadfeeder for European account intelligence, and Apollo for a budget-conscious all-in-one alternative. These are candidates to evaluate, not blanket legal-compliance certifications.

    One additional caution: a September 2026 comparison reports a July 2026 Italian data-protection authority action against Lusha involving a €2 million fine and restrictions on processing Italian residents' data. Given that report, I would not shortlist Lusha for Italy without first verifying the regulator's decision and the vendor's current status.

    How to verify GDPR compliance before buying

    Use this checklist during vendor due diligence. Ask vendors to answer in writing and include the answers in your procurement review.

    Vendor due-diligence checklist

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    [Copy full checklist] [Reset]

    The legal foundation matters as much as the vendor. For example, the UK Information Commissioner's Office explains that UK GDPR can apply to named business contacts even when the details are publicly available, while electronic marketing rules differ depending on whether the recipient is a corporate body or a sole trader. France's CNIL also distinguishes B2B prospecting from marketing to consumers.

    Useful official guidance:

    Let’s narrow this to the right tools for your team

    The biggest factor in choosing a provider is which European countries you target and whether you need email addresses, direct-dial phone numbers, or both.

    What countries will your sales team prospect into most heavily—for example, UK, Germany, France, Benelux, the Nordics, or all of Europe? I can then narrow the shortlist based on regional coverage and compliance requirements.

    Sources cited in this answer13

    Google AI ModeOct 28, 2026

    1. 1Cognism
    2. 2Diamond Data
    3. 3Kaspr
    4. 4Lusha
    5. 5Kompass
    6. 6ZoomInfo

    When prospecting in Europe, true GDPR compliance depends not just on the database provider, but also on how your sales team processes the data (relying on "legitimate interest" under GDPR Article 6(1)(f), providing clear opt-outs, and screening against local do-not-call registries).

    The top sales intelligence tools known for robust European data and compliance frameworks include:

    • Cognism : Widely considered the gold standard for European B2B data. It is built with GDPR compliance at its core, manually verifies mobile numbers (Diamond Data), and automatically scrubs contacts against major European Do-Not-Call (DNC) lists. It is particularly strong in the UK and DACH regions.
    • Kaspr : A subsidiary of Cognism that functions as a browser extension capturing data directly from LinkedIn and Sales Navigator. Because it is headquartered in Europe, it is tailored to EU regulatory requirements and matches profiles against compliant local databases rather than harvesting insecure data.
    • Lusha : Offers extensive coverage across Europe and maintains high-tier privacy certifications like ISO 27701 (privacy by design) and TRUSTe validation. It operates on a legitimate interest framework for B2B sales intelligence, though its community-contributed data model means you should review your internal data policy alignment.
    • Kompass : A long-standing European B2B directory and intelligence platform. It features globally cleansed and verified B2B contacts mapped directly to national corporate registries and local telephone preference services, making it a conservative, highly compliant choice for traditional outbound teams.
    • ZoomInfo : Offers massive global volume and features a dedicated European data passport with built-in screening against major European DNC lists. However, its direct-dial and mobile coverage can thin out in Southern and Eastern Europe compared to Western Europe.

    To help narrow down the best fit, let me know:

    • Which specific European countries or regions are you targeting?
    • Do you primarily need mobile phone numbers/direct dials or verified email addresses?

    Sources cited in this answer3

  • ChatGPTNov 2, 2026

    1. 1Cognism
    2. 2LinkedIn Sales Navigator
    3. 3Apollo
    4. 4Dealfront
    5. 5Dealfront
    6. 6Kaspr
    7. 7Kompass

    For a European B2B sales team, I would prioritize Cognism, Leadfeeder, LinkedIn Sales Navigator, and Apollo.io, with particular attention to how each provider sources, verifies, and processes personal data.

    One important distinction: a vendor advertising itself as “GDPR-compliant” does not automatically make your prospecting GDPR-compliant. Your company must also have a lawful basis for processing, respect objections and opt-outs, and follow each country's electronic marketing rules.

    Best B2B prospecting tools for Europe

    • Cognism – Sales Intelligence & Data Enrichment Platform – Daidu.ai

    1. Cognism

    (Best overall for European prospecting)

    • European business contacts, verified emails and mobile numbers.
    • GDPR-focused data collection and processing.
    • Screens phone data against 15 major Do Not Call lists, according to the vendor.
    • ISO 27001, ISO 27701 and SOC 2 Type II certifications.

    Website: Cognism · Compliance documentation.

    • 8 Ways to Use Visitor Data for Better Prospecting in 2026

    2. Leadfeeder (formerly Dealfront)

    (Best for European company intelligence)

    • Identifies companies visiting your website.
    • Provides firmographic and company-level intelligence.
    • Particularly useful for DACH, Nordic and Western European markets.
    • A useful alternative when you want to identify target accounts rather than simply purchase contact lists.

    Website: Leadfeeder.

    • Wie reichert man seine Sales Lead Database an? - La Growth Machine (LGM)

    3. LinkedIn Sales Navigator

    (Best for targeted prospect discovery)

    • Find decision-makers by job title, seniority, industry and location.
    • Build account and lead lists.
    • Identify relevant business relationships.
    • Useful for researching prospects without relying on bulk contact databases.

    Website: Sales Navigator.

    • Search: apollo.io Logo PNG Vectors Free Download

    4. Apollo.io

    (Best for budget-conscious teams)

    • Large B2B contact database.
    • Email discovery and verification.
    • Prospecting, enrichment and outreach workflows.
    • CRM integrations and sales automation.

    Important: verify its EU data provenance, lawful basis and international transfer arrangements before adopting it.

    Website: Apollo.io.

    • Kaspr Logo & Brand Assets (SVG, PNG and vector) - Brandfetch

    5. Kaspr

    • European-focused contact discovery.
    • Business email and phone enrichment.
    • LinkedIn-oriented prospecting workflows.
    • CRM integrations.

    Important: scrutinize its current data sourcing and regulatory history. The French CNIL's previous enforcement action makes updated compliance documentation especially important.

    Website: Kaspr.

    • Kompass Spain - Bases de datos de empresas B2B y Publicidad online B2B

    6. Kompass

    • International company directory.
    • Industry and company classification.
    • Business contact discovery.
    • Useful for identifying companies across European markets.

    Website: Kompass.

    Comparison at a glance

    PlatformMain strengthMy assessment
    CognismEuropean contact dataTop choice
    LeadfeederCompany intelligenceStrong
    Sales NavigatorDecision-maker discoveryStrong
    ApolloContact database and automationConditional
    KasprEuropean contact enrichmentConditional
    KompassCompany directoriesStrong for account research

    GDPR compliance checklist before purchasing

    I recommend making these requirements mandatory in your procurement process:

    1. Lawful basis: Can the vendor explain the legal basis for collecting and supplying each contact?
    2. Data provenance: Can it show where each email address and phone number originated?
    3. Data Processing Agreement: Will it sign an appropriate DPA?
    4. Right to object: Does it support immediate suppression of contacts who opt out?
    5. Data transfers: Where is data stored and processed? Are appropriate safeguards, such as SCCs, in place for transfers outside the EEA?
    6. Country-specific rules: Does the platform help your team comply with national email and telephone marketing requirements?
    7. Data retention: Can you establish retention periods and deletion procedures?

    The European Commission specifically explains that buying a third-party contact database does not remove your responsibility to verify that the data was lawfully collected and can be used for marketing.

    My recommendation

    For a European B2B sales operation, I would start with:

    • Cognism: Primary source of European business contacts.
    • LinkedIn Sales Navigator: Researching and identifying decision-makers.
    • Leadfeeder: Finding companies already showing interest in your website.

    This combination gives you prospect discovery, company intelligence and contact enrichment without depending on a single database.

    Three questions to narrow down the best solution

    1. Which European markets are you targeting?

    All Europe

    Western Europe

    Nordics and Scandinavia

    Southern Europe

    DACH

    2. How large is your sales team?

    1–5 representatives

    5–20 representatives

    20–50 representatives

    50+ representatives

    3. What is your monthly software budget?

    Under €500

    €500–€2,000

    €2,000–€5,000

    Over €5,000

    Main priority

    Verified emails and phone numbers

    Finding decision-makers

    Building prospect lists

    Automated prospecting and CRM enrichment

    [Find the best tools for our team]

    Sources cited in this answer19

    Google AI ModeNov 2, 2026

    1. 1Cognism
    2. 2Dealfront
    3. 3Dealfront
    4. 4Kaspr
    5. 5Kompass
    6. 6ZoomInfo
    7. 7Unify GTM

    Finding compliant B2B contact data in Europe requires tools that handle Article 6(1)(f) of the GDPR (legitimate interest), scrub against national do-not-call registries, and offer strong regional coverage.

    Top B2B prospecting tools equipped for European compliance include:

    • Cognism : Widely recognized as a leader for UK and DACH market coverage. It stands out for phone-verifying mobile numbers and actively scrubbing contacts against national do-not-call registries (such as the Robinson list in EU countries and TPS/CTPS in the UK).
    • Dealfront (formerly Leadfeeder / Echobot) : Built specifically with a European-first DNA. It operates strictly within B2B analytics and legal-entity identification under legitimate interest, making it ideal for tracking European web traffic and matching companies to decision-makers securely.
    • Kaspr : Excellent for teams heavily reliant on prospecting via LinkedIn within Europe. It provides a Chrome extension that extracts B2B emails and phone numbers while aligning data collection with GDPR and platform limits.
    • Kompass : A long-standing international B2B directory and data provider covering millions of global and European enterprise profiles. It is localized across multiple European languages and tailored for regional compliance.
    • ZoomInfo / Unify : While ZoomInfo has massive global volume, its direct mobile verification is strongest in North America and Western Europe. To bypass regional gaps, many multi-region teams use aggregation or waterfall enrichment platforms like Unify to route European requests to the most regionally accurate and compliant source.

    Note: Under EU regulations, B2B prospecting is legal via "legitimate interest," but tools must still grant easy opt-outs and maintain high data accuracy.

    To help narrow down the best choice, could you tell me:

    • Which specific European countries or regions (e.g., DACH, Nordics, Southern Europe) is your team targeting?
    • Do you primarily need mobile phone numbers or professional email addresses?

    Sources cited in this answer2

  • What are the top B2B market intelligence tools?

    Summary

    No single tool is recommended most. Answers distinguish ZoomInfo for its database, Apollo.io for engagement, 6sense for predictive intent, Cognism for compliant contact data, and Crunchbase for funding and growth signals.

Also asked as

  • What are some GDPR-compliant B2B contact databases we can use for our European sales operations?