Apollo.io
Large (~800)
Glean
Large (~1,475)
Best For
Apollo.io
Best for: Product builders who want strong PMF and competitive comp at a sales-tech leader
Glean
Best for: AI engineers who want to work on enterprise search with ex-Google leadership and don't mind below-market base pay offset by strong equity upside
Ratings
Apollo.ioGlean
4.0
4.2
Overall
3.6
3.8
Work-Life Balance
4.0
4.3
Culture & Values
4.1
4.2
Comp & Benefits
3.6
4.0
Senior Mgmt
4.1
4.0
Career Opps
👍 77% Recommend
👤 81% CEO Approval (Matt Curl)
👍 84% Recommend
👤 88% CEO Approval (Arvind Jain)
Culture Values
Apollo.io only
🌐 Remote-Friendly
Glean only
🪟 Transparent
Shared
🚀 Ship Fast & Iterate⚙️ Engineering-Driven🎯 Direct Product Impact🌱 Learning & Growth
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
Glean
- World-class AI talent — learn from ex-Google leadership on cutting-edge enterprise search
- Transparent collaborative culture with strong career growth
- Below-market compensation — comp rated only 3.6/5
- Sales org has high churn and toxicity problems in EMEA and US
Bottom Line
Apollo.io
Choose Apollo.io if you want best-in-class sales intelligence with competitive comp — but leadership can be hands-on.
Glean
Top-tier AI engineering talent and explosive growth, but comp lags peers and the sales org has churn problems — the engineering side is the real draw.
Open Roles
Apollo.io — 49 jobs
💼 Sales / GTM
18
💻 Engineering
12
📋 Product
4
👤 HR / People
2
📣 Marketing
2
📊 Data
1
🎨 Design
1
💰 Finance
1
⚖️ Legal
1
⚙️ Operations
1
🎧 Support
1
Glean — 196 jobs
💼 Sales / GTM
68
💻 Engineering
42
📋 Product
16
📣 Marketing
10
👤 HR / People
8
🧠 ML / AI
6
🎨 Design
5
📊 Data
3
⚙️ Operations
3
Summary
Apollo.io scores 4.0/5.0 on Glassdoor with a 3.6 work-life balance rating. Glean scores 4.2/5.0 overall with a 3.8 WLB. That’s a 0.2-point gap on overall satisfaction.
Both companies share these culture values: Ship Fast & Iterate, Engineering-Driven, Direct Product Impact, Learning & Growth. Apollo.io also emphasizes Remote-Friendly. Glean also emphasizes Transparent.
On the hiring front, Apollo.io has 49 open roles and Glean has 196 open roles.