Comparison

Dun & Bradstreet (DNB) vs ZoomInfo

Dun & Bradstreet (DNB) and ZoomInfo both land on Depends.

Dun & Bradstreet (DNB)

Depends

Confidence: Medium

Buy if you're a mid-to-large company that needs firmographic, credit, or risk data at scale and accepts sales-negotiated pricing.

Depends

Confidence: High

Buy only if you run a large outbound sales org that can absorb ~$30K-$60K/year and negotiate hard.

Dun & Bradstreet (DNB) versus ZoomInfo
Compare	Dun & Bradstreet (DNB)	ZoomInfo
Verdict	Depends	Depends
Best for	Enterprise sales & marketing data enrichment	Enterprise outbound sales teams
Who it's not for	Small teams needing a simple contact list	Small teams . five-figure annual commitment
Privacy	Enterprise vendor with formal security programs; a 2023 breach appears in third-party trackers . scope unclear.^⁹	Mature security program (bug bounty, published overview); one alleged 185M-record database sale remains unconfirmed.
Support quality	Trustpilot and Yelp reviewers cite weak customer service.	No direct support evidence found
Public sentiment	Sentiment is split: G2 reviewers praise data breadth and quick onboarding, while SmartCustomer and Trustpilot reviewers complain about pricing and support.^¹	Sentiment splits: the data depth is praised, while price, auto-renewal, and navigation draw frequent criticism across Reddit, G2, and Trustpilot.¹³
Biggest gotcha	No list pricing . budgeting requires a sales call; expect enterprise-style negotiation.^⁶	Auto-renewal and multi-year locks are the top contract trap