CompanyEnrich vs MailerCheck: Data Enrichment Tool Comparison
Compare CompanyEnrich and MailerCheck side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.
Compare CompanyEnrich and MailerCheck side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.
Reviewed and updated September 2, 2026
CompanyEnrich vs MailerCheck: Data Enrichment Tool Comparison
If you are comparing B2B lead data and contact enrichment tools, CompanyEnrich and MailerCheck will likely both appear on your radar. They share some surface-level similarities, but the details reveal important differences in pricing, capability, and target audience.
The Quick Answer
By each vendor's own wording, CompanyEnrich lists company enrichment api and company search api, while MailerCheck lists email list verification and email insights. A capability both offer can appear under different names, so read both feature lists below.
MailerCheck offers a lower entry point at $0/mo compared to CompanyEnrich at $49/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
CompanyEnrich is Real-time B2B company and people data delivered as an API for platforms, AI agents and sales teams. Covers company enrichment, search, funding, hiring and headcount signals.
MailerCheck is Email list verification and deliverability testing tool that validates single addresses, bulk lists or new signups through an API, and tests email content and inbox placement before a send.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Starter
Free credits
CompanyEnrich Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Starter | $49/mo | 5,000 credits / month |
| Pro | $149/mo | 50,000 credits / month |
| Scale | $549/mo | 500,000 credits / month |
Source: CompanyEnrich Pricing
MailerCheck Pricing (as of September 2026)
| Plan | Price | Emails |
|---|---|---|
| Free credits | Free | 10 free credits on a new account, for Email List Verification only |
| Pay as you go | Usage-based | 1,000 credits at the entry step, at $0.01 per credit; 1 credit = 1 email verification |
Source: MailerCheck Pricing
Pricing Analysis
MailerCheck offers the lower entry point ($0/mo vs $49/mo). Teams watching their budget will appreciate the savings, especially when starting out.
CompanyEnrich offers 3 pricing tiers compared to MailerCheck's 2, giving you more granularity as you scale.
MailerCheck includes a free tier, which is helpful for evaluating the platform without upfront cost.
Features Breakdown
- Company Enrichment API
- Company Search API
- People Search API
- CRM Enrichment API
- Similar Companies API
- Reverse Email Lookup API
- and 2 more listed below
- Email list verification
- Email Insights
- Inbox Placement
- Real-time API verification
- Usage report
- Single address verification
- and 2 more listed below
CompanyEnrich Key Features
- Company Enrichment API
- Company Search API
- People Search API
- CRM Enrichment API
- Similar Companies API
- Reverse Email Lookup API
- Company Funding API
- Jobs API
MailerCheck Key Features
- Email list verification
- Email Insights
- Inbox Placement
- Real-time API verification
- Usage report
- Single address verification
- Credits and autopay
- Statuses
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 CompanyEnrich
- Company Enrichment API
- Company Search API
- People Search API
- CRM Enrichment API
- Similar Companies API
- Reverse Email Lookup API
- Company Funding API
- Jobs API
Listed only by MailerCheck
- Email list verification
- Email Insights
- Inbox Placement
- Real-time API verification
- Usage report
- Single address verification
- Credits and autopay
- Statuses
Integration Ecosystem
CompanyEnrich Integrations
CompanyEnrich connects with: Clay, Cargo, Databar, n8n, Intercom, HubSpot.
MailerCheck Integrations
MailerCheck connects with: MailerLite, Mailchimp, ActiveCampaign, GetResponse, ConvertKit, Zapier, Make.
Integrations listed only by CompanyEnrich: Clay, Cargo, Databar, n8n, Intercom, HubSpot.
Integrations listed only by MailerCheck: MailerLite, Mailchimp, ActiveCampaign, GetResponse, ConvertKit, Zapier, Make.
Use Case Recommendations
Best Fit for CompanyEnrich
- Budget-conscious teams looking for an affordable data enrichment tool
- Revenue operations teams building targeted prospect lists
- Marketing teams enriching CRM data for segmentation
- Sales teams researching target accounts
Best Fit for MailerCheck
- Budget-conscious teams looking for an affordable data enrichment tool
- Organizations with complex tech stacks needing broad integration support (7 integrations)
- Teams that want to start free and scale up as needs grow
Feature Comparison Summary
| Feature | CompanyEnrich | MailerCheck |
|---|---|---|
| Starting Price | $49/mo | Free |
| Top Tier Price | $549/mo | Usage-based |
| Total Features Listed | 8 | 8 |
| Integrations | 6 | 7 |
Getting Started Checklist
- Define your B2B lead data and contact enrichment requirements and monthly budget
- Estimate your expected data credits or contact lookups to find the right tier
- List the integrations your team currently relies on
- Sign up for free trials or demos of both platforms
- Run a small test with each tool before making a commitment
- Evaluate the onboarding experience and support quality
Final Thoughts
CompanyEnrich and MailerCheck both serve the B2B lead data and contact enrichment market. MailerCheck offers a more accessible entry point, while CompanyEnrich starts at $49/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 CompanyEnrich and MailerCheck for current information.
About the author.
Tim Carden is CMO / CTO at RevenueFlow, which builds and operates outbound revenue engines for B2B companies. Studied at McGill University.
Tim Carden · CMO / CTO
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