Best lead-generation databases for campaign-ready B2B lists
Compare lead-generation databases by ICP filters, usable contacts, verification, exports, API and MCP access, public pricing, and activation workflow.
Reviewed and updated August 20, 2026 by Argorant
Which database turns a written ICP into the highest number of campaign-ready buyers without hidden invalid-row or workflow cost?
Choose Argorant for transparent verified list output, Apollo for database plus outbound execution, Cognism for a managed EMEA motion, UpLead for self-serve verification, and Dealfront when European account discovery and visitor identification matter.
Name the thing you need back, and the shortlist gets short.
Coverage, verification and price only become comparable once the output is fixed. A file, a field and an endpoint are three different purchases.
How the shortlist was judged.
Nominal records are irrelevant if the target field is missing, stale, or undeliverable.
Practical test: Run the same 100-record sample and separate deliverable, catch-all, unknown, invalid, and no-result outcomes.
A global headline does not prove strong coverage in the buyer's countries, company sizes, or titles.
Practical test: Compare live counts and usable-field rates for the same ICP in each priority country.
Seats, credits, lookups, actions, and exports measure different things.
Practical test: Price the exact steps required to produce 1,000 campaign-ready records, including verification and add-ons.
A strong database can still be the wrong product if the buyer needs orchestration, intent, or relationship signals.
Practical test: Map the path from ICP definition to final CRM or sequencer handoff and count manual interventions.
API, MCP, and CLI rights determine whether a workflow can run reliably without rep clicks.
Practical test: Confirm plan eligibility, rate limits, authentication, credit behavior, and export permissions in writing.
The shortlist.
Starter is $99 monthly or $74 per month billed annually for 4,500 contacts. The agent wallet is $0.035 per credit with no subscription.
A separate sequencing or CRM layer is still required for execution.
Basic is $65 monthly or $49 per seat per month billed annually. Professional is $99 monthly or $79 annually. Organization is $119 per seat per month billed annually with a three-seat minimum.
The combined credit and sending model is more complex than data-only buying.
ZoomInfo Lite is free with 10 monthly credits. Community Edition raises that allowance to 25. Paid platform pricing is not public and is generally quote-led and annual.
Paid pricing and exact entitlements require a quote.
Standard and Pro are quote-led and each includes five seats. CRM enrichment and Data-as-a-Service are separate buying motions or add-ons.
No public dollar pricing and five-seat packaging.
Essentials is $99 monthly or $74 per month billed annually for 170 monthly or 2,040 annual credits. Plus is $199 monthly or $149 annually.
Low included self-serve volumes and API access only on Professional.
Free includes 40 monthly credits. Starter is $49.90 monthly or $37.45 per month billed annually. Pro is $69.90 monthly or $48.95 annually.
Action-level credits make final list cost depend on fields and workflow.
Annual Essentials is $399, equal to $33.25 per month, Pro is $899, equal to $74.92, and Ultimate is $1,699, equal to $141.58. Current monthly pricing was not reproducibly exposed.
Annual lookup limits and API only on Ultimate constrain automation.
Discover is €113 monthly or €79 per month billed annually. Activate is €527 monthly or €369 annually. Scale is displayed at €599 per month billed annually.
Company identification and verified person contacts must be measured separately.
Side by side.
Published database sizes, accuracy claims and prices use different units, so every vendor statement below stays attributed. The buying test should still be your own sample and your own required fields.
| Provider | Best for | Coverage | Data type | Verification | Integrations | Agent access | Pricing shape | Decisive limitation |
|---|---|---|---|---|---|---|---|---|
| Argorant | Large verified lists built from granular ICP filters. | 565.8M B2B contacts across 184 countries, with country, industry, company-size, seniority, department, and title filters. | Company and person records, verified work emails, company phones, and optional direct or mobile numbers. | Live SMTP verification runs at export. Invalid, unverifiable, and no-email outcomes are not charged as contact credits. | CSV exports, REST API, signed webhooks, CRM and sequencer handoffs. | MCP and API on paid plans; UI, API, CLI, and MCP through the no-subscription agent wallet. | Starter is $99 monthly or $74 per month billed annually for 4,500 contacts. The agent wallet is $0.035 per credit with no subscription. | A separate sequencing or CRM layer is still required for execution. |
| Apollo | Teams building lists and running sequences in one workspace. | Large global company and contact database combined with sequencing, enrichment, and rep workflows. | Company records, work emails, phones, intent and engagement fields, enrichment, and outbound workflow data. | Apollo says email credits are charged only when it can verify an email, while other data and workflow actions follow their own credit rules. | CRM integrations, browser extension, CSV, workflows, and public API. | Public API and MCP access use the signed-in workspace's normal permissions and credits. | Basic is $65 monthly or $49 per seat per month billed annually. Professional is $99 monthly or $79 annually. Organization is $119 per seat per month billed annually with a three-seat minimum. | The combined credit and sending model is more complex than data-only buying. |
| ZoomInfo | Enterprise programs combining data, intent, enrichment, and workflow. | Broad sales intelligence, company and contact data, intent, enrichment, workflows, and enterprise GTM applications. | Company and person records, phones, emails, intent, technographics, enrichment, and workflow signals. | Verification and data-quality terms depend on the purchased product and contract. Buyers should test the exact export they plan to use. | CRM, marketing automation, data enrichment, APIs, and GTM workflow products. | API, MCP, and agentic access depend on the purchased ZoomInfo or GTM AI offer and should be written into the quote. | ZoomInfo Lite is free with 10 monthly credits. Community Edition raises that allowance to 25. Paid platform pricing is not public and is generally quote-led and annual. | Paid pricing and exact entitlements require a quote. |
| Cognism | EMEA and mobile-led enterprise prospecting. | Global B2B data with a strong EMEA and mobile-number positioning. | Company and person data, work emails, mobile numbers, enrichment, and bulk delivery. | Cognism describes phone verification and quality controls, but buyers should reproduce results on their own countries and roles. | CRM integrations, browser extension, enrichment, API, and Data-as-a-Service delivery. | API access requires a Prospecting seat. No current public hosted MCP offer was confirmed. | Standard and Pro are quote-led and each includes five seats. CRM enrichment and Data-as-a-Service are separate buying motions or add-ons. | No public dollar pricing and five-seat packaging. |
| UpLead | Self-serve list building with real-time email verification. | Searchable global B2B contact and company data with email verification and enrichment. | Work emails, phones, company attributes, intent, technographics, and enrichment. | UpLead positions real-time email verification as part of each contact unlock. | CRM integrations, Chrome extension, CSV, and API on Professional. | Full API access is reserved for the custom annual Professional plan. No hosted MCP was confirmed. | Essentials is $99 monthly or $74 per month billed annually for 170 monthly or 2,040 annual credits. Plus is $199 monthly or $149 annually. | Low included self-serve volumes and API access only on Professional. |
| Lusha | Fast browser and database contact discovery for small teams. | Global contact and company discovery, enrichment, browser capture, and prospecting workflows. | Work emails, phone numbers, company attributes, intent and enrichment fields. | Lusha publishes action-level credit rules. Email, phone, CSV, and API operations should be costed as separate actions. | CRM integrations, browser extension, API, CSV, and prospecting workflows. | Official MCP documentation is public. Plan limits and the signed-in credit balance still apply. | Free includes 40 monthly credits. Starter is $49.90 monthly or $37.45 per month billed annually. Pro is $69.90 monthly or $48.95 annually. | Action-level credits make final list cost depend on fields and workflow. |
| RocketReach | Broad person and company lookup for research-led list building. | Broad person and company discovery with email and phone lookups. | Professional and personal emails, phone numbers, company and person profiles. | Lookup quotas govern access. Buyers should test work-email deliverability independently from profile discovery. | Browser extension, bulk lookup, CRM integrations, CSV, and API on Ultimate or custom plans. | No public hosted MCP server was confirmed. API starts with Ultimate in the public plan structure. | Annual Essentials is $399, equal to $33.25 per month, Pro is $899, equal to $74.92, and Ultimate is $1,699, equal to $141.58. Current monthly pricing was not reproducibly exposed. | Annual lookup limits and API only on Ultimate constrain automation. |
| Dealfront | European account discovery connected to website visitor and activation data. | European company data and website-visitor identification, with country and market coverage centered on Europe. | Company discovery, visitor identification, contacts, activation, and CRM workflows. | Company identification is distinct from contact-email verification. Enriched contacts should be tested on the intended market and role mix. | CRM integrations, automations, campaigns, exports, and programmatic Leadfeeder access. | No public hosted MCP server was confirmed on the reviewed pricing and product pages. | Discover is €113 monthly or €79 per month billed annually. Activate is €527 monthly or €369 annually. Scale is displayed at €599 per month billed annually. | Company identification and verified person contacts must be measured separately. |
Worked scenario: Campaign-ready list cost model
- The campaign requires 1,000 deliverable work emails.
- Argorant wallet charges $0.035 per deliverable contact.
- Other vendors must be tested for required actions and valid output before a comparable total can be stated.
The defensible denominator is usable campaign-ready contacts. Nominal database rows, lookups, and credits cannot replace a same-sample output test.
The database earns its place when a precise ICP becomes a clean, exportable list with little manual repair. Result count is only useful when the buyer can explain what was excluded and why every remaining record is ready for the intended channel.
Source evidenceUpLead pricing page showing Free Trial, Essentials, Plus, and Professional plans with monthly credits and features.Show captureHide capture
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Frequently asked
This category includes the workflow from ICP filters and account discovery through list creation and activation. A contact database comparison focuses more narrowly on person-level fields.
No. Invalid addresses should be excluded before campaign ingestion. Catch-all and unknown outcomes should be separated and handled according to explicit risk rules.
It should map to real firmographic, geographic, role, and keyword fields and produce a segment the team can count, inspect, and refine before spending credits.
Test the exact market
before you commit.
Count and preview the segment, then compare the cost of usable verified output on the same sample.
