D&B Hoovers vs Seamless.AI

D&B Hoovers9.0Visit Seamless.AI8.5Visit

Higher score D&B Hoovers #4 in B2B Contact Data Providers 9.0/10 Paid ✓ 4 of 4 features Visit D&B Hoovers

vs

Seamless.AI #8 in B2B Contact Data Providers 8.5/10 Free plan Free plan✓ 4 of 4 features Visit the platform

• D&B Hoovers fits best

  Established company intelligence buyers

• Seamless.AI fits best

  Teams prioritizing database scale

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Side by side

Feature	D&B Hoovers 9.0/10 Visit ↗	Seamless.AI 8.5/10 Visit ↗
At a glance
Editor score	9.0	8.5
Ranking	#4 in B2B Contact Data Providers	#8 in B2B Contact Data Providers
Best for	Established company intelligence buyers	Teams prioritizing database scale
Pricing model	Paid	Free plan + paid
Starting price	$529/yr	—
Free plan	—	✓ (best)
Free trial	—	—
Deployment	Cloud	Cloud, Browser extension
Platforms	Web	Web, Chrome extension
Support	Live chat, Phone, Docs	Email, Live chat, Docs
Integrations	4 integrations	6,000+ integrations
Built for	Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features D&B Hoovers 4/4 · Seamless.AI 4/4
Direct-dial data	✓	✓
Intent data	✓	✓
Technographic filters	✓	✓
API access	✓	✓
Specs
Contact database size	5.2e+08 contacts	1.3e+09 contacts (best)
Monthly export limit	Not checked yet	Not checked yet
Our review
Pros	520M-contact database with company and contact search Intent data, AI scoring, trigger alerts, and buying-group identification API access, CRM integration, and dynamic SmartLists	1.3B listed contacts with real-time search and verification Direct dials, intent signals, enrichment, and job-change intelligence CRM integrations, Chrome extension, and REST API access
Cons	No free plan is available Integrations are limited Credit-based plans may require careful volume planning	The Free plan includes only 50 credits Pro and Enterprise pricing requires contact-sales discussions Buyer Intent Data is an add-on for Pro users
Our verdict	D&B Hoovers is a B2B sales intelligence platform for sales and marketing teams that need company research, contact discovery, targeted list building, and prospect prioritization. Its database covers 520 million contacts, with tools for… Read the review →	This web-based B2B sales intelligence platform is designed for sales, marketing, recruiting, and revenue operations teams that need to find, verify, enrich, and export prospect data. Its published database size is 1.3B contacts, with… Read the review →

Strengths and trade-offs

• D&B Hoovers — where it wins

  • 520M-contact database with company and contact search
  • Intent data, AI scoring, trigger alerts, and buying-group identification
  • API access, CRM integration, and dynamic SmartLists

  Where it doesn't

  • No free plan is available
  • Integrations are limited
  • Credit-based plans may require careful volume planning

• Seamless.AI — where it wins

  • 1.3B listed contacts with real-time search and verification
  • Direct dials, intent signals, enrichment, and job-change intelligence
  • CRM integrations, Chrome extension, and REST API access

  Where it doesn't

  • The Free plan includes only 50 credits
  • Pro and Enterprise pricing requires contact-sales discussions
  • Buyer Intent Data is an add-on for Pro users

• D&B Hoovers9.0/10 · Paid

  A broad B2B intelligence platform with intent, scoring, alerts, and API access.

  Visit D&B HooversFull verdict →
• Seamless.AI8.5/10 · Free plan

  A large-scale prospecting platform with verified contact data, intent signals, and API access.

  Visit the platformFull verdict →