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.
CompanyEnrich and MailerCheck solve different problems: CompanyEnrich is a real-time B2B company and people data API for enrichment, search, and firmographic signals, starting at $49/mo, while MailerCheck is an email list verification and deliverability testing tool with a free entry tier and usage-based pricing after that.
Key takeaways
- CompanyEnrich starts at $49/mo for 5,000 credits per month on its Starter plan, rising to $549/mo for 500,000 credits on Scale.
- MailerCheck offers 10 free credits on a new account for email list verification, then pay as you go at $0.01 per credit after that.
- CompanyEnrich lists 8 features including Company Enrichment API, People Search API, and Company Funding API, while MailerCheck lists 8 features including Email Insights and Inbox Placement.
- CompanyEnrich integrates with 6 tools including Clay, HubSpot, and n8n, while MailerCheck integrates with 7 tools including Mailchimp, ActiveCampaign, and Zapier.
- CompanyEnrich offers 3 pricing tiers compared to MailerCheck's 2, giving more granularity for teams scaling up.
Reviewed and updated September 4, 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.
Frequently asked questions.
Frequently asked questions- What is the main difference between CompanyEnrich and MailerCheck?
- CompanyEnrich is a real-time B2B company and people data API covering enrichment, search, funding, hiring, and headcount signals, while MailerCheck is an email list verification and deliverability testing tool that validates addresses and tests inbox placement before a send. They target the same broad challenge of finding accurate contact data but from different angles.
- Which tool is cheaper to start with, CompanyEnrich or MailerCheck?
- MailerCheck has the lower entry point at $0/mo with 10 free credits for email list verification, compared to CompanyEnrich which starts at $49/mo for 5,000 credits per month. MailerCheck then moves to usage-based pricing at $0.01 per credit after the free credits are used.
- How many integrations do CompanyEnrich and MailerCheck each offer?
- CompanyEnrich lists 6 integrations including Clay, Cargo, Databar, n8n, Intercom, and HubSpot. MailerCheck lists 7 integrations including MailerLite, Mailchimp, ActiveCampaign, GetResponse, ConvertKit, Zapier, and Make.
- Who is CompanyEnrich best suited for?
- CompanyEnrich is best suited for budget-conscious teams looking for an affordable data enrichment tool, revenue operations teams building targeted prospect lists, marketing teams enriching CRM data for segmentation, and sales teams researching target accounts.
- Who is MailerCheck best suited for?
- MailerCheck fits budget-conscious teams looking for an affordable option, organizations with complex tech stacks needing broad integration support across 7 integrations, and teams that want to start free and scale up their usage as needs grow.
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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