Brex
Large (~1,600)
Mercury
Large (~1,300)
Best For
Brex
Best for: Engineers who want to build AI-powered fintech at massive scale with smart colleagues
Mercury
Best for: Engineers who want product ownership and fast growth building startup banking infrastructure
Ratings
BrexMercury
4.0
4.3
Overall
3.9
3.8
Work-Life Balance
3.8
3.9
Culture & Values
4.0
4.0
Comp & Benefits
3.5
3.8
Senior Mgmt
3.6
3.9
Career Opps
👍 77% Recommend
👤 71% CEO Approval (Pedro Franceschi)
👍 79% Recommend
👤 85% CEO Approval (Immad Akhund)
Culture Values
Brex only
🪟 Transparent
Mercury only
💎 Strong Comp & Equity🧩 Wears Many Hats
Shared
🚀 Ship Fast & Iterate⚙️ Engineering-Driven🎯 Direct Product Impact🌱 Learning & Growth
Pros & Cons
Brex
- Innovation-driven culture with incredibly smart, passionate, and supportive colleagues
- Strong benefits and time off actively encouraged with flexible scheduling
- Culture of overworking — many departments understaffed relative to workload expectations
- Multiple rounds of layoffs in recent years have created uncertainty and morale challenges
Mercury
- Strong talent density with smart, motivated teammates and genuine autonomy and ownership
- Great Place to Work certified — product-first mindset with meaningful scope for every engineer
- Still figuring out how to scale processes — expect some ambiguity and shifting priorities
- Work-life balance rated 3.8/5 — periods of higher intensity during rapid growth phases
Bottom Line
Brex
Choose Brex if you want to build AI-powered fintech at massive scale with smart colleagues — but expect intense workloads and some organizational instability from recent layoffs.
Mercury
Choose Mercury if you want product ownership, fast growth, and to build banking infrastructure for startups — but expect growing pains and occasionally intense workloads.
Open Roles
Brex — 235 jobs
💼 Sales / GTM
72
💻 Engineering
49
📋 Product
18
🎨 Design
15
📣 Marketing
14
👤 HR / People
13
📊 Data
10
⚖️ Legal
6
💰 Finance
3
⚙️ Operations
3
🎧 Support
2
Mercury — 70 jobs
💻 Engineering
15
💼 Sales / GTM
13
👤 HR / People
4
📋 Product
4
🎨 Design
3
⚖️ Legal
3
⚙️ Operations
3
📊 Data
2
💰 Finance
2
📣 Marketing
2
🧠 ML / AI
1
🎧 Support
1
Summary
Brex scores 4.0/5.0 on Glassdoor with a 3.9 work-life balance rating. Mercury scores 4.3/5.0 overall with a 3.8 WLB. That’s a 0.3-point gap on overall satisfaction.
Both companies share these culture values: Ship Fast & Iterate, Engineering-Driven, Direct Product Impact, Learning & Growth. Brex also emphasizes Transparent. Mercury also emphasizes Strong Comp & Equity, Wears Many Hats.
On the hiring front, Brex has 235 open roles and Mercury has 70 open roles.