Finding the right COO email list provider can make or break your executive outreach campaigns. Most providers promise accuracy but deliver recycled lists that waste your time and hurt your sender reputation.

COOs control operational budgets, vendor decisions, and strategic initiatives—making them high-value targets. But reaching them requires verified data, not generic contact lists that bounce.

We tested 11 providers to help you find the best COO email list solution for accurate, compliant outreach.

Ready? Let's go!

TL;DR

• ListKit offers Triple-Verified data with intent filters, making it the best choice for COO outreach.
• Apollo provides a comprehensive platform that works well for all-in-one prospecting.
• ZoomInfo delivers an enterprise database suited to large-scale operations.
• Lusha integrates with LinkedIn, making it strong for social selling.
• Cognism emphasizes GDPR compliance, which is ideal for global outreach.

Quick Comparison Table: Best COO Email List Providers

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

Rating: 4.8/5 (350+ reviews)

ListKit leads with Triple-Verified data and deep segmentation for role, industry, geography, and intent. It makes it easy to build hyper-targeted lists for COO outreach.

You can export as many contacts as you need, integrate directly with your CRM, and get hands-on onboarding plus ongoing support.

Key Features:

• 626M+ contacts with Triple-Verified emails at export – ListKit's multi-step verification process ensures 95%+ accuracy, so your COO outreach reaches the right inbox
• Intent Data to target COOs already researching your solution – Pinpoint Chief Operating Officers actively searching for operational tools, process improvements, or vendor solutions
• Unlimited exports with no per-contact fees – Scale your outreach without hidden charges or export limits
• Private SMTP infrastructure for better deliverability – Maintain high inbox placement when reaching COOs with dedicated IPs and deliverability monitoring
• 1:1 onboarding and active Slack community support – Get personalized setup help plus weekly coaching calls with 7-figure entrepreneurs

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

Intent data reveals when decision-makers are actively researching products or services like yours. For COO outreach, this is a game-changer—it lets you target executives already in the market, increasing your chances of getting a reply.

1. In ListKit's Intent Data tab, choose topics relevant to COOs – e.g., operational software, supply chain management, or process automation. (Pro tip: Use ChatGPT to brainstorm topic ideas specific to COO responsibilities.)

2. Filter by job titles like Chief Operating Officer, VP Operations, Head of Operations (plus industry and company size if needed). For this example, we've selected topics related to operations, so we're going to select "Chief Operating Officer."

3. Export Triple-Verified emails & phone numbers (95%+ accuracy) for immediate outreach, and refresh daily to keep a steady pipeline of in-market COOs.

Try 50 free emails of COOs on us, then pricing starts at $97

Best for: Teams serious about COO accuracy and willing to invest in quality data

What else can you do with ListKit?

ListKit's Triple-Verified contacts and intent data give you the same foundation top teams use to book hundreds of COO meetings. Their hands-on onboarding and Slack community support mean you're not figuring it out alone.

Try 50 Free Leads Here →

2) Apollo – Comprehensive sales platform with COO targeting

Rating: 4.7/5 (9K+ reviews)

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

With 210+ million contacts and comprehensive filtering options, Apollo offers solid COO targeting capabilities alongside sequence automation and CRM integration.

Key Features:

• 210+ million contact database with advanced filtering by job title, seniority, and company characteristics for precise COO targeting
• AI-powered email writing and sequence automation to scale personalized outreach to Chief Operating Officers
• Chrome extension integration for LinkedIn prospecting and real-time contact enrichment on company websites
• Built-in dialer and call recording for multi-touch campaigns combining email and phone outreach to COOs
• Comprehensive CRM sync with Salesforce, HubSpot and other platforms for seamless workflow integration

Considerations before going with Apollo:

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

Packages start with a Free Plan

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

Thinking about Apollo? Check out 11 better alternatives first.

3) ZoomInfo – Enterprise-grade COO database

Rating: 4.5/5 (12K+ reviews)

ZoomInfo provides one of the largest B2B databases with extensive COO 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 COO coverage across industries and company sizes
• Advanced intent data integration to identify COOs showing buying signals for your solutions
• Technographic and firmographic filters for precise targeting based on company technology stack and characteristics
• Website visitor identification to track when target COO companies visit your site
• Enterprise-grade compliance with GDPR, CCPA, and other data protection regulations

Considerations before going with ZoomInfo:

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

Pricing Is not Public

ZoomInfo requires contacting sales for a custom enterprise quote.

However, according to third-party estimates (e.g., Vendr), contracts typically range from $15,000–$50,000 per year, depending on features and number of users.

Before paying ZoomInfo's high price, see 12 other alternatives.

4) Lusha – LinkedIn-focused COO prospecting

Rating: 4.3/5 (1.5K+ reviews)

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

Key Features:

• LinkedIn Chrome extension for instant COO contact reveal on LinkedIn profiles and company pages
• Email and phone number enrichment with verification to ensure contact accuracy
• Bulk enrichment capabilities for processing large lists of COO prospects
• CRM integration with automatic contact sync to Salesforce, HubSpot, and other platforms
• Compliance-focused approach with GDPR and CCPA adherence for international prospecting

Considerations before going with Lusha:

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

Pricing Starts at $22.45

Lusha offers credit-based pricing with monthly subscription tiers:

Considering Lusha? These 11 options might fit better.

5) Cognism – GDPR-compliant COO 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 for international COO outreach
• Global database coverage with strong presence in North America, EMEA, and APAC regions
• Phone number verification including mobile numbers for multi-channel COO outreach
• Intent data integration to identify COOs showing buying signals and sales triggers
• Advanced filtering options by seniority, department, company size, and industry for precise targeting

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.

Pricing is not publicly listed

Cognism provides custom quotes through its sales team. Third-party estimates, including Vendr, indicate annual contract costs typically range from $6,000–$25,000, depending on data volume and selected features.

Don't commit to Cognism until you've seen these 13 alternatives.

6) Clearbit – API-first COO data enrichment

Rating: 4.4/5 (600+ reviews)

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

Key Features:

• API-first architecture for seamless integration into custom applications and marketing automation platforms
• Real-time data enrichment that automatically appends COO information to existing contact records
• Company and person data combination providing both COO contact details and comprehensive company intelligence
• High data accuracy standards with multiple verification layers and regular data updates
• Developer-friendly documentation and robust API endpoints for custom COO prospecting workflows

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 COO list building.

Pricing is not publicly listed

Clearbit uses a usage-based model that requires contacting sales for a custom quote. Third-party estimates, such as from Vendr, suggest annual costs typically start around $2,000–$10,000, depending on API usage volume.

Clearbit feels heavy? Try these simpler, more agile options.

7) RocketReach – Extensive COO profile database

Rating: 4.4/5 (1K+ reviews)

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

Key Features:

• 700+ million profile database with extensive COO coverage across industries and company sizes
• Bulk lookup capabilities for processing large lists of COO names and companies
• Social media integration revealing COO profiles across LinkedIn, Twitter, and other platforms
• Chrome extension for instant COO contact discovery on websites and social profiles
• API access for integrating COO data into custom applications and 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:

Compare RocketReach with Listkit here.

8) Seamless AI – Real-time COO data discovery

Rating: 4.4/5 (5.2K+ reviews)

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

Key Features:

• AI-powered real-time search that discovers COO contacts as you search rather than relying on static databases
• Chrome extension integration for finding COO information on LinkedIn and company websites
• Automated list building with AI-driven suggestions for similar COO profiles
• CRM integration with automatic contact sync and enrichment capabilities
• Team collaboration features for sharing COO lists and coordinating outreach efforts

Considerations before going with Seamless AI:

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

Pricing starts at $147/mo

Seamless offers subscription-based pricing with different feature tiers.

"Easy to use, fast searching to build verified emails (x3 verified) means I can streamline my workflows. I don't need to export from Apollo go into three other verifier softwares, run, upload etc. This is a one stop search and export." — Rik, Account Director

We tested Seamless AI against 8 tools — here's what we found.

9) Snov.io – All-in-one COO outreach platform

Rating: 4.5/5 (450+ reviews)

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

Key Features:

• Email finder and verifier with COO-specific search capabilities and accuracy validation
• Automated email sequences for nurturing COO prospects with personalized follow-up campaigns
• LinkedIn integration for discovering COO contacts and automating connection requests
• Email warm-up tools to improve deliverability when reaching out to high-level executives
• Analytics and tracking for monitoring COO 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 COO contact data.
• Email automation features may require additional setup time.

Pricing starts at $29/mo

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

Compare Snov.io with ListKit here.

10) UpLead – Real-time email verification for COOs

Rating: 4.7/5 (800+ reviews)

UpLead focuses on providing real-time verified contact data with a strong emphasis on email accuracy and deliverability for executive outreach.

Key Features:

• Real-time email verification ensuring COO contacts are valid and deliverable
• Advanced search filters for targeting COOs by industry, company size, and location
• Chrome extension for prospecting COOs directly from LinkedIn and company websites
• CRM integrations with popular platforms for seamless workflow management
• Compliance features including GDPR and CCPA adherence for international outreach

Considerations before going with UpLead:

• Database size is smaller compared to enterprise providers.
• Limited intent data capabilities may restrict advanced targeting options.

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

UpLead offers subscription-based pricing with monthly credits.

See which 9 tools beat UpLead on price, data, and accuracy.

11) Kaspr – LinkedIn Chrome extension for finding COO emails

Rating: 4.4/5 (820+ reviews)

Kaspr focuses specifically on extracting COO 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 COO contact extraction from profiles and search results
• Email and phone number discovery with verification to ensure contact accuracy
• Bulk export capabilities for processing multiple COO contacts simultaneously
• CRM integration with automatic contact sync to popular sales platforms
• Workflow automation for streamlining LinkedIn-based COO prospecting processes

Considerations before going with Kaspr:

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

Pricing starts at $49/mo

Kaspr offers freemium pricing with paid tiers for advanced features:

Also read: 11 LinkedIn Sales Navigator alternatives that surprised us (and might surprise you).

Key Factors for Choosing a COO Email List Provider

Before diving into individual providers, let's establish what actually matters when you're targeting Chief Operating Officers.

Data Accuracy & Verification

If you're serious about COO outreach, accuracy isn't negotiable.

Providers that use Triple-Verification dramatically reduce wasted effort by delivering only contacts that have been checked at multiple points. This means you're not chasing dead ends or cleaning up messy data.

Here's what verification levels actually mean:

Compliance & Deliverability

With privacy laws getting stricter, you want a provider that's upfront about GDPR, CCPA, and CAN-SPAM compliance.

Furthermore, it should ideally support strong deliverability by offering features like private SMTP or pre-warmed domains.

Workflow Integration & Support

Getting your list is just step one. The best providers make it easy to push contacts straight into your CRM or sending platform, and offer responsive support if you hit a snag.

Must-have integrations:

• Native CRM connections (HubSpot, Salesforce, Pipedrive)
• Email automation tools (Outreach, Mailchimp, Smartlead)
• Workflow platforms (Zapier, Google Sheets)

Segmentation & Targeting

Precision targeting is what separates a 'meh' list from a high-performing one. You want filters for role, industry, geography, company size, and—if possible—buying intent.

ListKit stands out here: you can slice your audience by intent signals, so you're not just reaching any COO, but the ones actually searching for your offer.

The Verdict: Which COO 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 COO data with intent filters, unlimited exports, and transparent pricing. The combination of accuracy, buying signal targeting, and native CRM integrations makes it ideal for agencies and SaaS teams serious about COO outreach.
• Apollo – Best for teams wanting an all-in-one sales platform with COO prospecting capabilities. While data accuracy can vary, the comprehensive feature set and freemium model make it accessible for smaller teams.
• Cognism – Best for enterprise teams requiring GDPR-compliant global COO 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 COO Email List Providers