11 Best CAO Email List Providers (2026 Review)

Finding the right CAO email list provider can transform your executive outreach campaigns. Chief Administrative Officers oversee critical operational decisions, making them valuable prospects—but reaching them requires verified, compliant data.

Most providers promise accuracy but deliver outdated lists that hurt your sender reputation and waste valuable time.

We reviewed 11 leading providers to help you find verified CAO contacts that actually convert into meetings.

Ready? Let's go!

TL;DR: Best CAO Email List Providers at a Glance

1) ListKit – The best way to get CAO emails that are Triple-Verified (including phone numbers)

Rating: 4.8/5 (500+ reviews)

ListKit leads the pack with Triple-Verified CAO contacts and advanced intent targeting. You get verified emails, direct phone numbers, and buying signals—all in one platform designed for executive outreach.

Key Features:

• 626M+ Triple-Verified contacts with 95%+ accuracy for CAO targeting
• Real-time intent data to identify CAOs actively researching solutions
• Unlimited exports with no per-contact fees or hidden charges
• Private SMTP infrastructure for maximum deliverability
• Native CRM integrations with HubSpot, Salesforce, and 15+ platforms

How to find emails of CAOs in "buying mode" with ListKit (in three steps)

Intent data reveals when Chief Administrative Officers are actively researching operational tools, compliance software, or administrative solutions. This targeting approach dramatically improves response rates by reaching CAOs already evaluating solutions.

Step 1: In ListKit's Intent Data tab, select CAO-relevant topics like "Administrative Software," "Compliance Management," or "Operations Optimization." Pro tip: Use ChatGPT to brainstorm intent topics specific to CAO responsibilities.

Step 2: Filter by job titles including "Chief Administrative Officer," "CAO," "VP Administration," and "Head of Operations" (plus industry and company size filters as needed).

Step 3: Export Triple-Verified emails & phone numbers (95%+ accuracy) for immediate outreach, and refresh daily for a constant pipeline of in-market CAOs.

Try 50 free CAO emails, then pricing starts at $97/mo

What else can you do with ListKit?

Beyond CAO targeting, ListKit provides comprehensive B2B prospecting with TAM visualization, Slack community support, and weekly coaching calls with 7-figure entrepreneurs sharing proven outreach frameworks.

Bailey's outbound team achieved a 30% booking rate using ListKit's Triple-Verified data to target C-suite decision-makers. They scaled to 1.25 million monthly emails while maintaining deliverability.

Try 50 Free Leads Here →

2) Apollo — Comprehensive sales platform with CAO targeting

Rating: 4.7/5 (9K+ reviews)

Apollo combines B2B prospecting with sales engagement tools, making it popular among teams wanting an all-in-one platform.

With 210+ million contacts and extensive filtering, Apollo offers solid CAO targeting alongside sequence automation.

Key Features:

• 210+ million contact database with advanced CAO filtering options
• AI-powered email writing and sequence automation for executive outreach
• Chrome extension integration for LinkedIn prospecting and enrichment
• Built-in dialer and call recording for multi-touch CAO campaigns
• Comprehensive CRM sync with Salesforce, HubSpot, and other platforms

Considerations before going with Apollo:

• Users frequently report data accuracy issues, with bounce rates reaching 20-30%.
• The platform can feel overwhelming for simple list building, and many features require higher-tier plans.

Apollo starts with a free plan

Apollo offers a freemium model with paid upgrades for advanced features:

Considering Apollo? Check out 11 better alternatives first.

3) ZoomInfo – Enterprise-grade CDO database

Rating: 4.5/5 (12K+ reviews)

ZoomInfo provides one of the largest B2B databases with extensive CAO coverage, particularly strong for enterprise teams with complex targeting requirements. Their platform combines contact data with intent signals and technographic information.

Key Features:

• Massive B2B database with comprehensive CAO coverage across industries
• Advanced intent data integration to identify CAOs showing buying signals
• Technographic and firmographic filters for precise targeting
• Website visitor identification to track when target companies visit your site
• Enterprise-grade compliance with GDPR, CCPA, and data protection regulations

Considerations before going with ZoomInfo:

• ZoomInfo requires significant investment with enterprise-level pricing reaching $20-50K annually.
• Data accuracy varies, and many users still need additional verification tools.

ZoomInfo pricing is not public

ZoomInfo requires contacting sales for custom enterprise quotes. However, third-party sources estimate contracts range from $15,000–$50,000 annually depending on features and user count.

4) Lusha — LinkedIn-focused CAO prospecting

Rating: 4.3/5 (1.5K+ reviews)

Lusha specializes in LinkedIn-based prospecting with a Chrome extension that reveals CAO contact information directly on LinkedIn profiles. It's particularly useful for teams doing most research on LinkedIn.

Key Features:

• LinkedIn Chrome extension for instant CAO contact reveal on profiles
• Email and phone number enrichment with verification capabilities
• Bulk enrichment for processing large lists of CAO prospects
• CRM integration with automatic contact sync to major platforms
• GDPR and CCPA compliance for international prospecting

Considerations before going with Lusha:

• Lusha's database is smaller than comprehensive platforms and heavily dependent on LinkedIn for data sourcing.
• Credit-based pricing can become expensive for high-volume users.

Lusha pricing starts at $22.45

Lusha offers credit-based pricing with monthly subscription tiers:

Lusha on your shortlist? Here are the top alternatives worth a look.

5) Cognism — GDPR-compliant CAO data in the EU

Rating: 4.6/5 (1.1K+ reviews)

Cognism focuses on providing compliant B2B data with strong coverage in Europe and North America. Their platform emphasizes data quality and regulatory compliance, making it suitable for companies with strict data governance requirements.

Key Features:

• GDPR and CCPA compliant data with explicit consent tracking
• Global database coverage with strong presence in North America and EMEA
• Phone number verification including mobile numbers for CAO outreach
• Intent data integration to identify CAOs showing buying signals
• Advanced filtering by seniority, department, and company characteristics

Considerations before going with Cognism:

• Cognism requires custom pricing quotes and can be expensive for smaller teams.
• The platform focuses heavily on compliance, which may add complexity for simple prospecting needs.

Cognism pricing is not public

Cognism requires contacting sales for custom quotes. Based on third-party estimates, plans typically range from $6K–$25K per year, depending on data volume and features.

Don't commit to Cognism until you've seen these alternatives.

6) Clearbit — API-first CAO data enrichment

Rating: 4.4/5 (600+ reviews)

Clearbit takes an API-first approach to B2B data, making it popular among technical teams wanting to integrate CAO data directly into applications and workflows.

Key Features:

• API-first architecture for seamless integration into custom applications
• Real-time data enrichment that automatically appends CAO information
• Company and person data combination providing comprehensive intelligence
• High data accuracy standards with multiple verification layers
• Developer-friendly documentation and robust API endpoints

Considerations before going with Clearbit:

• Clearbit requires technical implementation and is primarily designed for developers.
• It may not be suitable for teams wanting a simple, user-friendly interface for CAO list building.

Clearbit pricing is not public

Clearbit uses usage-based pricing that requires contacting sales. However, third-party sources suggest typical starting costs range from $2,000–$10,000 per year, depending on API usage and feature level.

7) RocketReach – Extensive CDO profile database

Rating: 4.4/5 (1K+ reviews)

RocketReach maintains a database of 700+ million profiles across 35 million companies, offering broad coverage for CAO prospecting with both email and social media contact discovery.

Key Features:

• 700+ million profile database with extensive CAO coverage
• Bulk lookup capabilities for processing large CAO prospect lists
• Social media integration revealing CAO profiles across platforms
• Chrome extension for instant contact discovery on websites
• API access for integrating CAO data into custom workflows

Considerations before going with RocketReach:

• Data accuracy can vary, and the platform focuses more on contact discovery than verification.
• International coverage may be limited compared to specialized providers.

Pricing starts at $39/mo

RocketReach offers credit-based pricing with monthly subscription options:

RocketReach isn't your only option — read why teams choose ListKit over RocketReach here.

8) Seamless AI — Real-time CAO data discovery

Rating: 4.4/5 (5.2K+ reviews)

Seamless uses artificial intelligence to discover and verify CAO contact information in real-time, positioning itself as a modern alternative to traditional static databases.

Key Features:

• AI-powered real-time search discovering CAO contacts as you search
• Chrome extension integration for finding CAOs on LinkedIn and websites
• Automated list building with AI-driven suggestions for similar profiles
• CRM integration with automatic contact sync and enrichment
• Team collaboration features for sharing CAO lists and coordinating outreach

Considerations before going with Seamless.AI:

• Real-time discovery can be slower than traditional database searches.
• The AI approach may not always find comprehensive CAO information for all companies.

Seamless AI offers a free plan; pricing is not public

Seamless offers subscription-based pricing with different feature tiers. However, pricing is not public and requires contacting sales.

Seamless AI feels heavy? Try these simpler, more agile options.

9) Snov.io — All-in-one CAO outreach platform

Rating: 4.5/5 (450+ reviews)

Snov.io combines CAO contact discovery with email automation tools, making it suitable for teams wanting both prospecting and outreach capabilities in one platform.

Key Features:

• Email finder and verifier with CAO-specific search capabilities
• Automated email sequences for nurturing CAO prospects
• LinkedIn integration for discovering CAO contacts and automating connections
• Email warm-up tools to improve deliverability for executive outreach
• Analytics and tracking for monitoring CAO outreach campaign performance

Considerations before going with Snov.io:

• The platform tries to do many things, which can make it complex for users who only need CAO contact data.
• Email automation features may require additional setup time.

Snov.io pricing starts at $29/mo

Snov.io offers freemium pricing with paid tiers for advanced features:

10) UpLead — Real-time CAO verification

Rating: 4.7/5 (800+ reviews)

UpLead focuses on real-time email verification and data accuracy, making it suitable for teams prioritizing contact quality over database size for CAO outreach.

Key Features:

• Real-time email verification with 95% accuracy guarantee
• Advanced search filters for precise CAO targeting by industry and role
• CRM integrations with popular sales and marketing platforms
• Chrome extension for prospecting CAOs on LinkedIn and company websites
• Compliance features including GDPR and CCPA adherence

Considerations before going with UpLead:

• Smaller database compared to comprehensive providers may limit CAO coverage in niche industries.
• Credit-based pricing can become expensive for high-volume prospecting.

UpLead offers a 7-day free trial, then starts at $99/mo

UpLead offers subscription-based pricing with monthly credits.

UpLead contracts too steep? Here are alternatives that won't break the bank.

11) Kaspr — LinkedIn Chrome extension for finding CAO emails

Rating: 4.4/5 (820+ reviews)

Kaspr focuses specifically on extracting CAO contact information from LinkedIn profiles through their Chrome extension, making it ideal for LinkedIn-heavy prospecting workflows.

Key Features:

• LinkedIn-focused Chrome extension for instant CAO contact extraction
• Email and phone number discovery with verification capabilities
• Bulk export capabilities for processing multiple CAO contacts
• CRM integration with automatic contact sync to popular platforms
• Workflow automation for streamlining LinkedIn-based prospecting

Considerations before going with Kaspr:

• Limited to LinkedIn-based prospecting, which may miss CAOs who aren't active on the platform.
• Database coverage is smaller than comprehensive providers.

Kaspr pricing starts at $49/mo

Kaspr offers freemium pricing with paid tiers for advanced features:

Key Factors for Choosing a CAO Email List Provider

Data Accuracy & Verification

CAO outreach demands the highest accuracy standards. Look for providers using multi-step verification processes that check email validity, deliverability, and recent activity. ListKit's Triple-Verification ensures 95%+ accuracy by validating format, domain, mailbox, and engagement history.

Compliance & Deliverability

With privacy laws tightening globally, choose providers with clear GDPR, CCPA, and CAN-SPAM compliance documentation. Advanced providers offer private SMTP infrastructure and pre-warmed domains to protect sender reputation.

Intent Data Availability

Target CAOs showing buying signals rather than cold prospects. Intent data reveals when Chief Administrative Officers are actively researching operational tools, compliance software, or administrative solutions—dramatically improving response rates.

Integration Capabilities

Native CRM connections save hours of manual data entry. Look for seamless integration with HubSpot, Salesforce, Pipedrive, and email automation tools like Outreach or Smartlead.

✅ Must-Haves vs 🚩 Red Flags

The Verdict: Which CAO Email List Provider Should You Choose? (Our Top 3 Picks)

After reviewing multiple providers and analyzing user feedback, here are our top recommendations:

• ListKit — Best overall for Triple-Verified CAO data with intent filters, unlimited exports, and transparent pricing. The combination of data accuracy, intent targeting, and native CRM integrations makes it ideal for agencies and SaaS teams serious about CAO outreach.
• Apollo — Best for teams wanting comprehensive sales platform with CAO prospecting capabilities. While data accuracy can vary, the all-in-one feature set and freemium model make it accessible for smaller teams.
• Cognism — Best for enterprise teams requiring GDPR-compliant global CAO data. Strong compliance features and international coverage justify the higher price point for regulated industries.

Ready to stop wasting time on bounced emails and outdated contacts? Try ListKit's Triple-Verified COO lists today and see what accurate, intent-driven outreach can do for your pipeline.

FAQs About CAO Email List Providers