Key takeaways
- GDPR covers business contacts too: a work email tied to a named person is personal data.
- Ask every provider for its lawful basis, its opt-out process and its privacy notice before you buy.
- Your own duties continue after purchase: tell contacts where their details came from and honour objections.
- This page is a buyer's checklist, not legal advice; check your approach with your own adviser.
What GDPR compliance means for B2B contact data
For B2B contact data, GDPR compliance means a provider can show a lawful basis for holding each person's details and lets that person object or ask for removal.
A provider relying on legitimate interests needs a legitimate interests assessment, including a balancing test, and clear information for the people concerned. In the UK, the UK GDPR and PECR apply together, and electronic marketing rules differ between countries, so a compliant source does not make every use compliant.
- Lawful basis: which basis does the provider rely on, and will it share its assessment?
- Opt-out: how fast are removal requests honoured, and do they reach customers?
- Transparency: does its privacy notice explain how contacts' data is used?
- Processing: where is the data processed, and under which agreements?
- Your duties: what does the contract expect you to do with the data?
How EU B2B data providers compare
The six providers below differ most in their focus and in the data types they return. Each note follows the provider's own site.
- Cognism: B2B contact data with a compliance focus, verified mobile numbers and intent on Pro; priced by quote.
- Dealfront: website visitor identification and B2B data with buying signals; see their trust page for where data is hosted.
- Lusha: contact data and enrichment through an extension, CRM integrations, an API and MCP, returning emails and phones on credit pricing.
- Kaspr: a LinkedIn contact finder whose Chrome extension reveals emails and phones, with CRM export.
- Apollo.io: a sales intelligence and engagement platform with contacts and companies, sequences and a dialler; see their trust page for its security details.
- UpLead: a B2B contact database priced in credits, with intent on Professional.
Buying UK and EU B2B contact data
Buying UK and EU B2B contact data works best when you start from your target accounts and take only the contacts you will use soon.
A focused set of contacts is easier to explain to the people concerned than a broad list bought in advance, and it goes stale less before you use it. Note why each contact fits your ideal customer profile, so you can answer an objection or a regulator's question later.
Where Pebbles Ai fits GDPR compliant lead generation
Pebbles Ai fits European teams that want leads found per target account, inside the workspace where they research and write. Find fresh leads takes 1 to 10 named companies, at least one role and one location, and returns 1 to 100 leads a run from Pebbles Ai's own growing B2B contact database, GDPR compliant.
Each lead lands in the CRM (in Beta) with a work email where one is found, a confidence score and a catch-all flag. Pebbles Ai is GDPR compliant as a platform and is CASA II and Microsoft 365 certified.
When a European team needs a specialist provider
A European team needs a specialist provider when it calls prospects, wants visitor identification or relies on intent data, none of which Pebbles Ai offers. Pebbles Ai returns no phone numbers or intent signals.
Cognism lists verified mobile numbers, Dealfront lists visitor identification, and UpLead lists intent on its Professional plan, so match the provider to the data type you will actually use.
European B2B data providers at a glance
Each provider's category, whether its site lists a free plan, and the data types its own site names.
| Category | Free plan | Data types named on its site | |
|---|---|---|---|
| Cognism | B2B contact data with a compliance focus | No | Verified mobile numbers; intent on Pro |
| Dealfront | Website visitor identification and B2B data | Yes | Visitor identification and buying signals |
| Lusha | B2B contact data and enrichment | Yes | Emails and phones |
| Kaspr | LinkedIn contact finder | Yes | Emails and phones |
| Apollo.io | Sales intelligence and engagement platform | Yes | Contacts and companies |
| UpLead | B2B contact database | No | Contacts; intent on Professional |
| Pebbles Ai | Go-to-market workspace with its own growing B2B contact database, GDPR compliant | No | Work emails where found, with a confidence score and catch-all flag; no phone numbers |
Entries summarise each provider's site when checked and are not a legal assessment; ask each one for its privacy documentation. Pebbles Ai has no free plan; Pro and Team start with a 1-month free trial.
The products compared
Cognism
B2B contact and mobile data
A B2B data provider selling verified mobile numbers and contact data it describes as compliance-first, with intent data on Pro and a CRM enrichment add-on in quote-based packages.
Best for: Teams that call prospects and want phone-verified mobile numbers, with intent data and CRM enrichment from the same data vendor.
Pricing model: Standard and Pro, quote-based, 5 seats included; 1 credit = 1 revealed contact. Source: Cognism pricing
Dealfront (Leadfeeder)
Website visitor identification and B2B data
A B2B platform, now under the Leadfeeder brand, that identifies companies visiting your website, adds buying signals and a global company database, and offers display ad targeting.
Best for: Teams that want to see which companies visit their site and prioritise accounts from buying signals, with EU hosting.
Pricing model: Lite (free), Discover, Activate, Scale and Enterprise, tiered by companies identified each month; Discover and Activate bill monthly or annually, Scale annually. Source: Dealfront (Leadfeeder) pricing
Read the comparison with Dealfront (Leadfeeder) Visit Dealfront (Leadfeeder)
Lusha
B2B contact data and enrichment
A B2B contact data tool for finding emails and phone numbers through a browser extension, CRM integrations, API and MCP, on credit-based plans with a free tier.
Best for: Sellers who want email and phone lookups in the browser and CRM with simple credit pricing.
Pricing model: Free, Starter, Professional, Premium and Scale, by monthly credits. Source: Lusha pricing
Kaspr
LinkedIn contact finder
A Chrome extension that reveals emails and phone numbers from LinkedIn profiles, with CRM export and per-user plans, including a free tier.
Best for: Sellers prospecting on LinkedIn who want contact details in one click.
Pricing model: Free, Starter, Business and Enterprise, per user. Source: Kaspr pricing
Apollo.io
Sales intelligence and engagement platform
A go-to-market platform built around a B2B contact and company database it sizes at 240M+ contacts, with prospecting, enrichment, sequences, a dialler, meetings and deal tracking in one product, plus a free plan.
Best for: Sales teams that want a self-serve contact database and a full outbound engine (sequences, calling, deliverability tools) in one subscription, starting free.
Pricing model: Free, Basic, Professional and Custom plans; credits shared across the team and reset monthly; monthly or annual billing with an annual discount. Basic adds email sequencing, Professional adds AI features and call recording, Custom adds SSO and API. Source: Apollo.io pricing
UpLead
B2B contact database
A B2B contact database with credit-based plans for finding and verifying emails, with intent data on its top tier and a short trial.
Best for: Small teams buying verified contact lists by the credit.
Pricing model: Essentials, Plus and Professional; monthly or annual; single-user except Professional. Source: UpLead pricing
We make Pebbles Ai. Facts about other products come from their own public pages, checked on .
Where Pebbles Ai fits
- CapabilityProspecting & customer recordsFind fresh leads returns people at up to ten named companies by role and location, each with a confidence score and a catch-all flag.
- CapabilityResearch & analysisResearch a target account with inline numbered citations, so you can record why it fits your ideal customer profile.
Common questions
Is buying B2B contact data legal under GDPR?
It can be, if the provider and you each have a lawful basis, tell people how their data is used and honour objections. Check your own case with an adviser.
Does a work email count as personal data?
Yes, when it identifies a person, such as a named address. A generic company inbox usually does not.
Does Pebbles Ai include phone numbers for European contacts?
No. For European contacts, as elsewhere, Pebbles Ai returns a work email where one is found, with a confidence score and a catch-all flag, and no phone numbers.
Where do Pebbles Ai leads come from?
From Pebbles Ai's own growing B2B contact database, which is GDPR compliant.
About this page. Written by the Pebbles Ai team for people who run sales, marketing and growth. Last updated .
