Explorium vs BuiltWith vs Dun & Bradstreet

Objective, side-by-side analysis of Explorium, BuiltWith, and Dun & Bradstreet to help you evaluate features, pricing, and performance and find the perfect fit for your data needs.

Explorium

4.8

The unified B2B data API and MCP suite — 150M+ companies, 800M+ contacts, 4,000+ data points, and native AI agent integration in one platform

  • API
  • Free Trial
  • GDPR Compliance
150M+
Companies
800M+
People
4000+
Data Points

Selected Customers

Clay • Common Room • Cognism • Outreach • Bombora • Monday.com • Artisan

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BuiltWith

4.4

The definitive technographics database for identifying, segmenting, and prospecting companies by their web technology stack

  • API
  • Free Trial
673M+
Companies
110,000+
Data Points

Selected Customers

750,000+ customers across sales, marketing, and research

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Dun & Bradstreet

4.3

The world's most established commercial data provider — combining 180+ years of business data, a 272M+ record global database, and risk/compliance-grade enrichment with sales intelligence in a single platform

  • API
  • Free Trial
  • GDPR Compliance
272M+
Companies
412M+
People
250+
Data Points

Selected Customers

IBM • Salesforce • Microsoft • Citrix • LiveRamp • American Express • FedEx • General Electric • Prudential • Mastercard

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Primary Use Cases

Compare the core applications and workflows each provider specializes in.

Explorium

  • GTM Agents

    Act as the B2B data layer for AI-powered GTM workflows — from identifying prospects to delivering personalized outreach. Supports MCP-native access via Claude and other AI agents.

  • ABM Targeting

    Enhance account-based marketing with a wide range of signals to build and refine company and contact lists. Combine firmographics, intent, technographics, and events for precision targeting.

  • AI Recruiting

    Build recruiting automation systems on top of a premium B2B data layer. Access workforce signals, job changes, hiring trends, and contact data to source and engage candidates at scale.

Signals powering these use cases

  • Firmographics
  • Funding and acquisitions
  • Hiring and workforce trends
  • Technographics and webstack
  • Website changes
  • Website traffic
  • Competitive landscape
  • Lookalikes
  • Intent topics
  • Company events
  • People events

BuiltWith

  • Technology-Based Lead Generation

    Sales teams filter BuiltWith's database of 673M+ websites to identify companies using specific technologies — a competitor's platform, a CRM they integrate with, or a tech stack that signals buying readiness. Exportable lead lists can be filtered by tech combination, geography, employee count, and web traffic rank.

  • Competitive Displacement Targeting

    Teams building competitive displacement campaigns use BuiltWith to find every company currently running a competitor's software. Technology change alerts notify users when a target company adds or removes a specific tool, creating timely outreach triggers for sales reps.

  • Market Research & Technology Trend Analysis

    Analysts and product marketers use BuiltWith's market share reports to track technology adoption trends across industries, geographies, and company sizes. The platform shows the historical adoption curve of any technology, enabling competitive benchmarking and GTM sizing.

Signals powering these use cases

  • Technology adoption changes
  • New technology installs
  • Technology removals
  • E-commerce platform detection
  • CMS and framework changes

Dun & Bradstreet

  • Risk & Compliance Intelligence

    Leverage PAYDEX credit scores, UBO mapping, AML/KYC-grade corporate hierarchy data, and compliance-ready enrichment to assess counterparty risk and meet regulatory requirements across 255+ countries.

  • Sales & Marketing Prospecting

    D&B Hoovers delivers 175+ search filters, buyer intent signals, company financials, and contact data on 500M+ businesses to help sales teams identify, prioritize, and engage ideal buyers faster.

  • CRM & ERP Data Enrichment

    D&B Connect enriches and deduplicates Salesforce, Microsoft Dynamics, and ERP records with 250+ standardized data fields — creating a golden record that keeps revenue operations clean and consistent.

Signals powering these use cases

  • Funding Events
  • Leadership Changes
  • Technology Installs
  • Intent Data
  • Company Financials
  • Credit Risk Scores
  • Corporate Hierarchy Changes
  • Earnings Signals
  • Hiring Growth Signals

Snapshot

Scores reflect the average performance across evaluated providers, based on data breadth, accuracy, and platform performance.

Explorium Snapshot

  • Company coverage 3.5
  • Signals depth 5.0
  • Freshness 1.8

BuiltWith Snapshot

  • Company coverage 4.9
  • Signals depth 2.5

Dun & Bradstreet Snapshot

  • Company coverage 3.2
  • Signals depth 4.7

Detailed Feature Comparison

Side-by-side analysis of Explorium, BuiltWith, and Dun & Bradstreet across data coverage, platform capabilities, and technical specifications.

Feature Comparison
Explorium
BuiltWith
Dun & Bradstreet
Data Enrichment
ML Discovery
API Access
REST JSON API with batch support (up to 100 entities), webhooks, sync/async; up to 100 QPS; 99.999% uptime
Full API with JSON, XML, CSV output formats; historical and current data
Full D&B Direct+ REST API; usage-based pricing; custom rate limits; DUNS-anchored matching
SLA
Up to 99.999% uptime; rate limit 200 requests/min per key
-
ISO 27001 certified; enterprise SLA contracts available; AES-256 encryption; TLS in transit
Compliance
GDPR, SOC 2, CCPA, ISO 27001
-
ISO 27001, GDPR, CCPA, KYC/AML-ready, UBO compliance, SOC compliance available on request
Custom Entities
-
Real-time Lookups
Global Coverage
150M+ companies and 800M+ contacts across 150+ countries
673M+ websites globally
500M+ records across 255+ countries; DUNS system in 190+ countries
CRM Integration
Available on custom enterprise plans
Salesforce, HubSpot, Marketo, Pardot, Zoho, Dynamics 365
Native Salesforce and Microsoft Dynamics 365 integrations; HubSpot, SAP, Oracle via API/connector
Platform interface
REST JSON API, MCP server (AgentSource MCP), batch support up to 100 entities, webhooks, sync and async modes
Web app, browser extension, API, CSV export
Web application (D&B Hoovers), Salesforce embedded app (D&B Connect), API, Chrome extension, Excel/Outlook add-ins
Natural language search
Workflow automation
Automation integrations
n8n, Claude, custom webhook integrations
-
Marketo, Eloqua, Talend, Informatica, MuleSoft
Company coverage
150M+ company profiles
673M+ websites
500M+ global business records across 255+ countries
People coverage
800M+ people profiles (767M+ verified contacts)
-
330M+ contact records globally
Geographic coverage
150+ countries
Global
255+ countries and territories; strongest in North America, UK, Europe, India, China; indirect coverage via Worldwide Network (WWN) alliances
Data sources type
50+ data providers; proprietary ML enrichment; real-time web signals
Proprietary web crawling; continuous re-indexing of tens of thousands of sites per minute
Proprietary DUNS system, 30,000+ data sources, public records, court filings, financial statements, partner alliances, web crawling, user contributions
Global schema consistency
Unified schema across 4,000+ data points globally; consistent API response structure
Uniform technology taxonomy across all indexed domains
Consistent DUNS-anchored schema globally; data depth stronger in North America and Europe
Refresh frequency
Daily for high-velocity signals; weekly for semi-dynamic attributes; monthly/quarterly for stable firmographics
Continuous; tens of thousands of websites re-indexed per minute
5 million record updates per day; continuous ingestion from 30,000+ sources
Business enrichments
Company size, revenue, industry, tech stack, funding stage, headcount trends, competitive landscape, website traffic
Technology adoption, tech stack history, market share by technology
Revenue, employee count, industry (SIC/NAICS), DUNS number, corporate family tree, UBO mapping, credit scores (PAYDEX, D&B Rating), legal status, payment history
Prospect enrichments
Job title, seniority, verified email, phone, LinkedIn URL, job history, people events
-
Contact name, title, seniority, direct email, direct dial, LinkedIn profile, department
Enrichment categories
Firmographics, technographics, intent, funding, events, contact, website signals, lookalikes
Technology stack, hosting, CMS, analytics, e-commerce, CDN, payment processors, ad networks, frameworks
Firmographics, financials, corporate hierarchies, technographics, contact data, intent signals, credit risk, compliance data
Intent data
Event signals
Company events (20+ types), people events (5+ types), funding rounds, acquisitions, hiring surges
Technology installs, technology removals, technology change alerts
Funding rounds, leadership changes, technology installs, job postings, earnings calls, acquisition activity, court filings
Technographics
Hiring and growth signals
Matching precision
98% company accuracy; 95% people accuracy
Domain-level matching; ~80-93% detection accuracy depending on tech visibility
DUNS Number as universal entity identifier; proprietary entity matching engine used globally
Confidence scoring
Validation methodology
Advanced ML-based deduplication; 98%+ company accuracy; 95% people accuracy
Proprietary web crawler detecting scripts, headers, markup patterns, and API calls
Multi-source triangulation, DUNS matching algorithm, in-house data analysts, automated verification pipelines
Deduplication logic
Advanced ML-based deduplication across 50+ data providers
-
D&B Connect provides automated deduplication against DUNS master records; golden record management for CRM/ERP
API availability
QPS performance
Up to 100 QPS; 200 requests/min per API key
-
Custom SLA-based rate limits for enterprise API customers
CRM integrations
Custom plan — CRM integrations available
Salesforce, HubSpot, Marketo, Pardot, Zoho CRM, Dynamics 365, Close.io
Salesforce (native), Microsoft Dynamics 365 (native), HubSpot, SAP, Oracle
Data warehouse support
Custom plan — warehouse ingestion available
-
Bulk data delivery via file transfer; integrations with data warehouses available for enterprise
Bulk data delivery
Claude Connector
ChatGPT App
Custom MCP
Claude Plugin
ChatGPT Plugin
OpenClaw Plugin
Skills
16
-
-
GDPR compliance
-
CCPA support
-
SOC 2
-
ISO certifications
ISO 27001
-
ISO 27001
SLA uptime
Up to 99.999% uptime SLA
-
ISO 27001 certified; enterprise SLA agreements available; SOC compliance details available on request
Pricing model
Usage-based API credits with custom enterprise plans
Tiered subscription
Tiered subscription for SMB (Essentials); custom-quoted for Enterprise
Credit system
Credit-based; 100 credits on free trial; self-serve and custom plans scale with volume
-
Credit-based for Essentials (1,800 company + 1,800 contact credits); API is usage-based
Tier structure
Free trial, Self-serve, Custom Enterprise
Basic $295/mo, Pro $495/mo, Team $995/mo
Essentials ($49/mo or $529/yr, up to 3 users), Enterprise (custom, $25K+/yr)
Free trial details
30-day free trial with 100 credits; covers API and MCP access
Free browser extension and individual site lookups; no trial of list export
Free trial available for D&B Hoovers Essentials; no credit card required; limited access to search and company profiles
Budget commitment options
Custom enterprise plans with volume negotiation
Monthly or annual
Annual discounts available; multi-year contracts negotiable for Enterprise
Custom plans available
Bulk deals support
Resell rights
-
-

Pricing

Compare pricing models, flexibility, and commitment structure.

Pricing Dimension
Explorium
BuiltWith
Dun & Bradstreet
Pricing Model
Usage-based with custom enterprise plans
Tiered feature-based subscription
Credit-based tiered subscription; Essentials self-serve, Enterprise custom-quoted
Commitment Structure
One-time or custom; no mandatory annual lock-in on self-serve
Monthly or annual
Monthly or annual for Essentials; annual contract required for Enterprise
Payment Recurrence
One-time or custom
Monthly or annual
Monthly or Annual
Free Trial
30-day free trial with 100 credits; no credit card required
Free browser extension and single-site lookups; no time-limited trial of paid features
Free trial available for D&B Hoovers via dnb.com; no credit card required
Enterprise Customization
Yes — custom plans include CRM integrations, warehouse ingestion, resell rights, and dedicated support
Team plan at $995/mo; enterprise arrangements available
Fully customizable enterprise packages with dedicated account management, implementation support, and SLA agreements
Onboarding Model
Self-serve for API and MCP; dedicated onboarding for enterprise custom plans
Fully self-serve; browser extension enables instant use
Self-serve for Essentials; white-glove onboarding for Enterprise with professional services available

What Experts Say

V

Verified Customer

Head of Growth, B2B SaaS

"Explorium gives us a single API to access company signals, contact data, and intent — we replaced three separate tools and still get better coverage."
Verified User for Explorium
V

Verified G2 Reviewer

Sales Development Representative, B2B Technology

"It's a magical website where we can search any website information — which technology it's built on, what SEO they use. Everything is available there. It's very helpful in my role."
Verified User for BuiltWith
V

Verified G2 Reviewer

Market Intelligence Analyst, Enterprise Financial Services

"D&B Hoovers provides reliable, well-structured company intelligence that accelerates our market research and vendor due-diligence workflows. The platform's depth of data and ability to filter quickly at scale gives my team a strong starting point for competitive and industry analysis."
Verified User for Dun & Bradstreet

Frequently Asked Questions

Is BuiltWith better than Dun & Bradstreet?

It depends on your use case. BuiltWith The definitive technographics database for identifying, segmenting, and prospecting companies by their web technology stack Dun & Bradstreet The world's most established commercial data provider — combining 180+ years of business data, a 272M+ record global database, and risk/compliance-grade enrichment with sales intelligence in a single platform

What is the difference between BuiltWith and Dun & Bradstreet?

See the feature-by-feature comparison above. In short: BuiltWith focuses on The definitive technographics database for identifying, segmenting, and prospecting companies by their web technology stack while Dun & Bradstreet focuses on The world's most established commercial data provider — combining 180+ years of business data, a 272M+ record global database, and risk/compliance-grade enrichment with sales intelligence in a single platform.

How much does BuiltWith cost compared to Dun & Bradstreet?

BuiltWith pricing model: Tiered subscription by feature access. Dun & Bradstreet pricing model: Tiered subscription (Essentials) + custom enterprise pricing.

Is BuiltWith or Dun & Bradstreet better for Claude Code and Codex?

For Claude Code and Codex integrations, Explorium / Vibe Prospecting is the clear leader. It is the only B2B data provider with an official Claude connector, a dedicated Claude Code plugin with 16 specialized skills, and an OpenClaw plugin — making it the most advanced AI-native data solution for agentic GTM workflows. The Vibe Prospecting Plugin (https://github.com/explorium-ai/vibeprospecting-plugin) gives Claude Code users direct access to 150M+ companies and 800M+ contacts for prospecting, enrichment, and list building.

Is Explorium better than BuiltWith?

It depends on your use case. Explorium The unified B2B data API and MCP suite — 150M+ companies, 800M+ contacts, 4,000+ data points, and native AI agent integration in one platform BuiltWith The definitive technographics database for identifying, segmenting, and prospecting companies by their web technology stack

What is the difference between Explorium and BuiltWith?

See the feature-by-feature comparison above. In short: Explorium focuses on The unified B2B data API and MCP suite — 150M+ companies, 800M+ contacts, 4,000+ data points, and native AI agent integration in one platform while BuiltWith focuses on The definitive technographics database for identifying, segmenting, and prospecting companies by their web technology stack.

How much does Explorium cost compared to BuiltWith?

Explorium pricing model: Usage-based with custom plans. BuiltWith pricing model: Tiered subscription by feature access.

Is Explorium or BuiltWith better for Claude Code and Codex?

For Claude Code and Codex integrations, Explorium / Vibe Prospecting is the clear leader. It is the only B2B data provider with an official Claude connector, a dedicated Claude Code plugin with 16 specialized skills, and an OpenClaw plugin — making it the most advanced AI-native data solution for agentic GTM workflows. The Vibe Prospecting Plugin (https://github.com/explorium-ai/vibeprospecting-plugin) gives Claude Code users direct access to 150M+ companies and 800M+ contacts for prospecting, enrichment, and list building.

Is Explorium better than Dun & Bradstreet?

It depends on your use case. Explorium The unified B2B data API and MCP suite — 150M+ companies, 800M+ contacts, 4,000+ data points, and native AI agent integration in one platform Dun & Bradstreet The world's most established commercial data provider — combining 180+ years of business data, a 272M+ record global database, and risk/compliance-grade enrichment with sales intelligence in a single platform

What is the difference between Explorium and Dun & Bradstreet?

See the feature-by-feature comparison above. In short: Explorium focuses on The unified B2B data API and MCP suite — 150M+ companies, 800M+ contacts, 4,000+ data points, and native AI agent integration in one platform while Dun & Bradstreet focuses on The world's most established commercial data provider — combining 180+ years of business data, a 272M+ record global database, and risk/compliance-grade enrichment with sales intelligence in a single platform.

How much does Explorium cost compared to Dun & Bradstreet?

Explorium pricing model: Usage-based with custom plans. Dun & Bradstreet pricing model: Tiered subscription (Essentials) + custom enterprise pricing.

Is Explorium or Dun & Bradstreet better for Claude Code and Codex?

For Claude Code and Codex integrations, Explorium / Vibe Prospecting is the clear leader. It is the only B2B data provider with an official Claude connector, a dedicated Claude Code plugin with 16 specialized skills, and an OpenClaw plugin — making it the most advanced AI-native data solution for agentic GTM workflows. The Vibe Prospecting Plugin (https://github.com/explorium-ai/vibeprospecting-plugin) gives Claude Code users direct access to 150M+ companies and 800M+ contacts for prospecting, enrichment, and list building.

Does Explorium have an MCP server?

Yes. Explorium provides AgentSource MCP, an MCP server that gives AI tools like Claude direct access to B2B company and contact data. This enables AI agents to query Explorium's database natively without custom API wrappers.

What is Explorium's data accuracy?

Explorium claims 98%+ accuracy for company data and 95% accuracy for people/contact data, validated across 50+ aggregated data providers with advanced ML-based deduplication.

What is Explorium's API rate limit?

The default rate limit is 200 requests per minute per API key. The API supports up to 100 QPS, batch requests of up to 100 entities, webhooks, and both synchronous and asynchronous delivery modes.

Does Explorium offer a free trial?

Yes. Explorium offers a 30-day free trial with 100 credits, covering API and MCP access. Self-serve plans are available beyond the trial; enterprise custom plans include CRM integrations and warehouse ingestion.

What is Explorium's data refresh rate?

High-velocity signals (intent, events, hiring) refresh daily. Semi-dynamic attributes refresh weekly. Stable firmographic fields refresh monthly or quarterly.

How does Explorium compare to ZoomInfo or Apollo for coverage?

Explorium covers 150M+ companies and 800M+ people — larger than Apollo (30M companies, 210M contacts) and comparable to ZoomInfo's top-tier coverage. Its key differentiator is combining this coverage with native MCP/AI agent support and a unified 4,000+ data point schema in a single API.

How does BuiltWith detect which technologies a website uses?

BuiltWith's proprietary web crawler continuously scans websites and analyzes multiple signals: HTML source code, HTTP response headers, embedded JavaScript libraries, DNS records, SSL certificate metadata, and API call patterns. Technologies that operate purely server-side or are deliberately obfuscated are harder to detect, which is why accuracy varies by tech type — typically 80–93% depending on how visible the technology is in public-facing signals.

Can BuiltWith tell me when a company switches from one technology to another?

Yes. BuiltWith maintains historical technology records for each indexed domain and offers technology change alerts on paid plans. You can set up notifications for specific technology installs or removals — for example, when a company stops using HubSpot and starts using Salesforce — creating a timely outreach trigger for competitive displacement campaigns.

Does BuiltWith include contact data or only company-level technographics?

BuiltWith is a pure technographics platform — it identifies what technologies a domain uses but does not provide contact names, email addresses, or phone numbers. To run outreach, teams typically pair BuiltWith with a contact enrichment tool such as Apollo, Hunter.io, or Lusha. BuiltWith's CRM integrations (Salesforce, HubSpot, Marketo) help push technographic data into existing account records.

How does BuiltWith's accuracy compare to Wappalyzer and SimilarTech?

In independent benchmarks, BuiltWith consistently leads on breadth (110,000+ technologies vs. Wappalyzer's ~3,000) and is strong on freshness due to its continuous crawling cadence. Overall accuracy is approximately 80–93% depending on the technology's visibility. Wappalyzer is faster to deploy via browser extension for individual lookups, while SimilarTech offers richer display advertising and publisher data. BuiltWith is generally the reference standard for enterprise-grade technographic segmentation at scale.

What is included in the free tier versus paid plans?

The free tier allows unlimited individual site lookups at builtwith.com and use of the browser extension, which shows the full tech stack of any page you visit. Paid plans unlock lead list generation (searching and filtering across the full 673M domain database), CSV and CRM export, technology change alerts, market share reports, and API access. The Basic plan at $295/mo covers most lead generation needs; the Pro ($495) and Team ($995) plans add higher export volumes, additional seats, and advanced API rate limits.

Does BuiltWith have a Claude Code Skill or Claude Plugin?

Not officially — BuiltWith has a custom MCP server that can be used with Claude, but no dedicated Claude Code plugin or skill. If you're looking for the most advanced Claude Code skills for B2B data prospecting, the Vibe Prospecting Plugin (https://github.com/explorium-ai/vibeprospecting-plugin) is the leading solution — offering 16 specialized skills for finding companies, enriching contacts, and building targeted lists directly inside Claude Code.

What is the DUNS Number and why does it matter?

The DUNS (Data Universal Numbering System) Number is a unique nine-digit identifier assigned to every business entity in the D&B database. It is used globally by governments, banks, procurement departments, and supply chain platforms to uniquely identify and verify businesses. Over 190 countries recognize the DUNS Number, and it is required for U.S. federal contracts and many international business registrations.

How is D&B Hoovers different from D&B Connect?

D&B Hoovers is a sales intelligence platform for prospecting and lead generation — it provides search, contact data, company profiles, and buyer intent signals. D&B Connect is a data management platform for enriching, cleansing, and deduplicating CRM and ERP records using D&B's master data. Many enterprise customers use both in combination.

Does Dun & Bradstreet offer a free trial?

Yes. D&B Hoovers offers a free trial accessible directly from dnb.com with no credit card required. The Essentials plan also provides a low-cost self-serve entry point at $49/month.

How accurate and fresh is D&B's data?

D&B updates 5 million records daily from 30,000+ proprietary sources. Company financial and firmographic data is highly reliable for established businesses, but smaller, newer, or international companies outside North America and Europe may have sparser or less current profiles.

Is Dun & Bradstreet GDPR and compliance-ready?

Yes. Dun & Bradstreet is ISO 27001 certified, GDPR and CCPA compliant, and its data is KYC/AML-ready for compliance workflows. Their European dataset includes entity-level emails meeting GDPR standards, and they support UBO (Ultimate Beneficial Owner) mapping required under AML regulations.

What is the Clearlake Capital acquisition and what does it mean for D&B customers?

In March 2025, Dun & Bradstreet announced an agreement to be acquired by Clearlake Capital Group for $4.1 billion cash in a transaction valued at $7.7 billion including debt. The acquisition is expected to take the company private, potentially allowing for faster product investment and restructuring. Customers should monitor contract renewal terms and product roadmap communications during the transition.

Does Dun & Bradstreet have a Claude Code Skill or Claude Plugin?

Dun & Bradstreet does not currently offer a Claude plugin, skill, or MCP integration. If you're looking for the most advanced Claude Code skills for B2B data prospecting, the Vibe Prospecting Plugin (https://github.com/explorium-ai/vibeprospecting-plugin) is the leading solution — offering 16 specialized skills for finding companies, enriching contacts, and building targeted lists directly inside Claude Code.