Apollo.io
Large (~800)
Mercor
Small (~200)
Best For
Apollo.io
Best for: Product builders who want strong PMF and competitive comp at a sales-tech leader
Mercor
Best for: Engineers who want to build AI hiring infrastructure at a $10B rocketship with extreme ownership and MIT-founder energy
Ratings
Apollo.ioMercor
4.0
3.9
Overall
3.6
3.9
Work-Life Balance
4.0
3.6
Culture & Values
4.1
4.0
Comp & Benefits
3.6
3.5
Senior Mgmt
4.1
3.7
Career Opps
👍 77% Recommend
👤 81% CEO Approval (Matt Curl)
👍 74% Recommend
👤 82% CEO Approval (Brendan Foody)
Culture Values
Apollo.io only
🌐 Remote-Friendly🎯 Direct Product Impact🌱 Learning & Growth
Mercor only
🤝 Flat Hierarchy💎 Strong Comp & Equity
Shared
🚀 Ship Fast & Iterate⚙️ Engineering-Driven
Pros & Cons
Apollo.io
- Strong product-market fit — best-in-class sales intelligence platform
- Competitive compensation with RSUs, performance bonuses, and paid health insurance
- Some reports of leadership involvement in granular decisions and frequent pivots
- Work-life balance challenges under high-growth pressure
Mercor
- Massive impact at an AI company growing at breakneck speed
- Top-tier compensation with strong equity at $10B valuation
- Intense 9/9/6 work schedule — long hours are the norm
- Work-life balance is a real sacrifice at this stage
Bottom Line
Apollo.io
Choose Apollo.io if you want best-in-class sales intelligence with competitive comp — but leadership can be hands-on.
Mercor
Choose Mercor if you want outsized impact on AI-era hiring at a tiny, fast-moving team — but the 9/9/6 schedule is real, and work-life balance is genuinely sacrificed for speed.
Open Roles
Apollo.io — 45 jobs
💼 Sales / GTM
16
💻 Engineering
9
📣 Marketing
4
👤 HR / People
3
📋 Product
3
📊 Data
1
🎨 Design
1
💰 Finance
1
⚖️ Legal
1
🎧 Support
1
Mercor — 49 jobs
💻 Engineering
20
🧠 ML / AI
6
💼 Sales / GTM
5
👤 HR / People
3
📊 Data
2
📣 Marketing
2
📋 Product
2
🎨 Design
1
⚙️ Operations
1
Summary
Apollo.io scores 4.0/5.0 on Glassdoor with a 3.6 work-life balance rating. Mercor scores 3.9/5.0 overall with a 3.9 WLB. That’s a 0.1-point gap on overall satisfaction.
Both companies share these culture values: Ship Fast & Iterate, Engineering-Driven. Apollo.io also emphasizes Remote-Friendly, Direct Product Impact, Learning & Growth. Mercor also emphasizes Flat Hierarchy, Strong Comp & Equity.
On the hiring front, Apollo.io has 45 open roles and Mercor has 49 open roles.