Contact data providers for outbound teams.
Contact data providers sell business emails, phone numbers and profiles for the people you want to reach. Compare coverage, access and pricing as each vendor states them.
A contact data provider maintains a large set of business contacts and lets customers search or download them. The records usually include a name, a company, a role, an email and sometimes phone numbers.
Each provider has its own strengths in regions, industries and seniority. We list what each says about itself and the date we read it, and we do not rate one over another.
Coverage
Look for the regions, industries and company sizes the vendor says it covers.
Freshness
Check what the vendor says about how often records are updated and how bounced or wrong data is handled.
Access
Decide whether you want an app, a file download, an API or a CRM sync.
Pricing model
Compare seats, credits and annual commitments on the vendor's pricing page.
4 contact data providers
Not affiliated with any tool listed.
Send your call list and every contact comes back High chance, Low chance or Bad data, with the best way to reach them. Use it before you dial so reps spend their dials on people who pick up.
- Checks every contact before you dial
- Works in Claude, ChatGPT and Cursor
- REST API and CSV upload
Apollo is a prospecting platform where a rep finds people in its B2B contact and company database, enriches the records, and then works them through outreach and calling from the same workspace. Its site lists the Apollo Workspace for prospecting, outreach and dialing, plus AI agents that research accounts and prioritize leads.
- B2B contact and company database
- Waterfall enrichment
- Parallel dialer
Cognism sells contact and company data to sales and marketing teams, delivered through its platform, CRM enrichment, an API and an MCP server. Its site positions it for the European market and says it covers Do-Not-Call lists.
- Phone-verified mobiles
- Do-Not-Call coverage
- CRM enrichment
Lusha sells business contact data: emails, direct phone numbers and company details, searched in its workspace or through a Chrome extension, API or MCP connection. Credits are spent when you reveal an email or a phone number.
- Reveal credits for emails and phones
- Direct dial database
- Buying signals
ZoomInfo is a go-to-market platform built around a large B2B database of contacts and companies. Sales teams search it for prospects, pull phone numbers and emails into their CRM or sequencer, and use buying signals to decide who to contact.
- Contact and company search
- Direct dials and phone numbers
- Buyer intent and website visitor data
Frequently asked questions
A contact data provider keeps a large set of business contacts and lets customers search or download them. Records usually include a name, company, role and email, and sometimes phone numbers. You pay for access through seats, credits or a contract.
It varies by provider, region and role, and every vendor describes its own accuracy in its own terms. We do not compare those figures.
Some teams use several because coverage differs by region and role. Combining sources adds duplicates and conflicting numbers, which is a reason to check the numbers after they are merged.
Vendors describe this differently, and some say little about it. Look for a stated refresh cycle, a way to flag bad records and a policy on credits for bounced emails. Even fresh data ages quickly, because people change roles all the time.
Typical models are per-seat subscriptions, credit bundles and annual contracts, and some mix them. Check how emails and phone numbers are counted separately, since phone numbers often cost more. Compare cost per usable contact, not just the plan price.
Many providers include phones, but coverage is usually thinner than for emails and may cost extra. Confirm whether you get mobiles, direct dials or company lines, and whether US coverage is stated, before you rely on a provider for calling.
Vendors state their sources in different ways, such as public web data, user-contributed contacts, partner feeds and their own research. Read the provider's own page on sources and privacy, and ask how people can opt out. Do not assume two vendors share the same data.
Privacy laws, the US Do Not Call rules and a vendor's own terms can all affect how you use the data. Some providers prohibit resale or limit use to your own team. Read the terms and ask a lawyer about your situation.
Pull a sample of your own target accounts and see how many of the right people come back, with working emails and phone numbers. Ask about export limits, API access and what happens to your data if you cancel.
Export a CSV, use an API or sync to your CRM. Before calling, check the phone numbers so the dialer only gets High chance contacts and the rest go to email or LinkedIn. Will This Person Answer gives 250 free credits to try it on a real list.
Know who’ll answer
before you call.
Ask your AI tool who on your list will pick up. Every contact comes back High chance, Low chance or Bad data, with the best way to reach them.
No card required. US phone numbers only.
No card required. US phone numbers only.