Clearbit vs TheirStack: Data Enrichment Tool Comparison

Clearbit vs TheirStack: Data Enrichment Tool Comparison

Clearbit and TheirStack compete head-to-head in the B2B lead data and contact enrichment space. This guide compares their pricing tiers, feature sets, and integration ecosystems to help you make a confident decision.

The Quick Answer

By each vendor's own wording, Clearbit lists global data coverage and lead, contact, and account enrichment, while TheirStack lists job search and company search. A capability both offer can appear under different names, so read both feature lists below.

TheirStack offers a lower entry point at $0/mo compared to Clearbit at $45/mo.

If your priority is finding accurate contact data for target accounts, both tools target it. The right choice depends on your budget, team size, and the specific capabilities you need most.

Understanding the Core Difference

Clearbit is B2B data enrichment platform (now Breeze Intelligence by HubSpot) with real-time enrichment and visitor identification.

TheirStack is Job posting and technographics database for sales teams. Finds companies by the technologies they use and the roles they are hiring for, and enriches a company list with technographics and buying intent.

The two platforms take different approaches to solving the same core challenge.

Pricing Comparison

$45/moClearbit entry plan

Entry

FreeTheirStack entry plan

Free

Clearbit Pricing (as of September 2026)

Source: Clearbit Pricing

TheirStack Pricing (as of September 2026)

Source: TheirStack Pricing

Pricing Analysis

TheirStack offers the lower entry point ($0/mo vs $45/mo). Teams watching their budget will appreciate the savings, especially when starting out.

TheirStack offers 4 pricing tiers compared to Clearbit's 3, giving you more granularity as you scale.

TheirStack includes a free tier, which is helpful for evaluating the platform without upfront cost.

Features Breakdown

Clearbit lists

• Global data coverage
• Lead, contact, and account enrichment
• Real-time lead scoring and routing
• IP intelligence for visitor identification
• Dynamic form shortening
• Corporate hierarchy mapping
• and 2 more listed below

TheirStack lists

• Job search
• Company search
• Company lookup
• Enrichment
• Exports
• Email alerts
• and 2 more listed below

Clearbit Key Features

• Global data coverage
• Lead, contact, and account enrichment
• Real-time lead scoring and routing
• IP intelligence for visitor identification
• Dynamic form shortening
• Corporate hierarchy mapping
• Industry categorization
• Buyer intent signals

TheirStack Key Features

• Job search
• Company search
• Company lookup
• Enrichment
• Exports
• Email alerts
• Webhooks
• MCP server

The two lists below are a diff of each vendor's own feature list by exact wording, so a capability both tools offer can appear on either side under a different name.

Listed only by Clearbit

• Global data coverage
• Lead, contact, and account enrichment
• Real-time lead scoring and routing
• IP intelligence for visitor identification
• Dynamic form shortening
• Corporate hierarchy mapping
• Industry categorization
• Buyer intent signals

Listed only by TheirStack

• Job search
• Company search
• Company lookup
• Enrichment
• Exports
• Email alerts
• Webhooks
• MCP server

Integration Ecosystem

Clearbit Integrations

Clearbit connects with: HubSpot, Segment, Marketo, Salesforce.

TheirStack Integrations

TheirStack connects with: Clay, LinkedIn Audiences, Make, N8N, Zapier.

Integrations listed only by Clearbit: HubSpot, Segment, Marketo, Salesforce.

Integrations listed only by TheirStack: Clay, LinkedIn Audiences, Make, N8N, Zapier.

Use Case Recommendations

Best Fit for Clearbit

• Budget-conscious teams looking for an affordable data enrichment tool
• Enterprise buyers who prefer custom pricing and dedicated support
• Revenue operations teams building targeted prospect lists
• Marketing teams enriching CRM data for segmentation

Best Fit for TheirStack

• Budget-conscious teams looking for an affordable data enrichment tool
• Organizations with complex tech stacks needing broad integration support (5 integrations)
• Teams that want to start free and scale up as needs grow
• Enterprise buyers who prefer custom pricing and dedicated support

Feature Comparison Summary

Getting Started Checklist

1. Define your B2B lead data and contact enrichment requirements and monthly budget
2. Estimate your expected data credits or contact lookups to find the right tier
3. List the integrations your team currently relies on
4. Sign up for free trials or demos of both platforms
5. Run a small test with each tool before making a commitment
6. Evaluate the onboarding experience and support quality

Final Thoughts

Clearbit and TheirStack both serve the B2B lead data and contact enrichment market. TheirStack offers a more accessible entry point, while Clearbit starts at $45/mo. Your decision should weigh pricing against the specific features that matter most for your workflow.

Start with a trial of each to see which platform fits your team's daily process. The best tool is the one your team actually uses consistently.

Pricing and features verified as of September 2026. Visit Clearbit and TheirStack for current information.