Building the future of website monitoring
We're on a mission to help agencies and freelancers manage multiple client sites with simple, reliable monitoring—and alerts that arrive fast.
Our Mission
Monitoring shouldn't be complicated
Sentinel was founded with a simple belief: monitoring your website shouldn't be complicated or expensive. If you manage dozens of client sites, you need reliable monitoring that just works—without adding more tools to babysit.
We've experienced the frustration of complex monitoring setups, unreliable alerts, and confusing pricing. That's why we built Sentinel—a platform that's powerful yet simple, reliable yet affordable.
Our Journey
How we got here
Founded
Sentinel started from a simple idea: monitoring should be easy for teams managing lots of sites.
Early Access
Partnered with agencies and freelancers to shape the product with real-world workflows.
Launch
Launched Sentinel to help small to mid-size agencies and freelance developers stay ahead of client downtime.
Growing
Continuously improving based on customer feedback—focusing on speed, clarity, and collaboration.
Our Values
The principles that guide us
Reliability First
We build tools that you can depend on, with 99.9% uptime and redundant infrastructure.
Customer Success
Your success is our success. We provide world-class support and documentation.
Innovation
We continuously improve and add features based on real user needs.
Transparency
Open communication, clear pricing, and honest relationships with our customers.
By The Numbers
Built for reliability
Ready to monitor client sites with confidence?
Start monitoring client sites today. 14-day free trial, cancel anytime.