Test, innovate, and build without limits. Deploy without worry.
Upsun is a unified multi-cloud application platform that helps engineering and IT teams build, deploy, and operate applications with standardized workflows across multiple clouds. It provides a managed platform that combines infrastructure automation, container orchestration, CI/CD build processes, observability, and security controls into a single, unified solution.
Serving over 6,000 global customers, helping them standardize delivery, accelerate releases, and minimize infrastructure overhead, while giving developers and AI agents consistent, production-grade environments for iterative work across clouds.
Test faster with production-perfect environment clones without touching production
Analyze code to generate infrastructure configuration, expose infrastructure context through MCP servers to coding assistants, and provide production-grade environments where agents and humans can test changes against representative data. Teams can run RAG, CAG, and agent workflows alongside conventional services using existing Git processes.
Every major cloud, every major language, one unified platform
Upsun’s Multi-Cloud and Edge capabilities let platform teams choose the cloud provider and region that best fits each application, without changing how they build or operate it.
A consistent platform layer handles provider-specific differences, helping teams meet performance, regulatory, and regional requirements without fragmenting workflows or maintaining custom infrastructure for each provider.
Automate environments, infrastructure, and workflows through Git
Upsun uses Git as the control plane for the application and environment lifecycle. Infrastructure configuration, environment creation, and operational workflows are defined and versioned alongside application code.
This approach is built for leaders, developers, platform engineers, and DevOps teams who want repeatable automation, strong governance, and minimal manual intervention without introducing additional orchestration layers.
Scale applications predictably without re-architecting
Upsun lets teams adjust application capacity and performance characteristics without redesigning infrastructure or changing deployment workflows. Scaling is managed at the platform level, keeping applications responsive as demand changes.
Upsun is designed for teams that need to handle growth, traffic spikes, and variable workloads while maintaining stability and control.
Understand your full-stack behavior with built-in visibility
Upsun provides built-in observability across infrastructure and applications, including metrics, Application Performance Monitoring (APM), and profiling.
Engineers can understand how applications behave in real environments without deploying or maintaining separate monitoring infrastructure.
Secure, compliant application environments by default
Security and Compliance on Upsun are built into the platform, not added as optional layers. Applications inherit a hardened security posture and compliance-ready controls across all environments, from preview to production.
This capability is designed for leadership, developer, platform engineering, and DevOps teams that need to meet strict security and regulatory requirements without slowing development or building custom controls.
Start testing new features and running your AI agents in a secure, compliant production-perfect sandbox without touching production. Then, when you’re ready to ship, no need to shift to another platform. Upsun is your unified multi-cloud solution to help your teams test, innovate, and ship faster with peace of mind.
Average Rating: 4.6/5.0
Total Reviews: 134
How Do G2 Users Rate Upsun?
-
Has the product been a good partner in doing business?: 9.1/10 (Category avg: 8.7/10)
-
Quality of Support: 8.7/10 (Category avg: 8.4/10)
-
Ease of Use: 8.7/10 (Category avg: 8.6/10)
Who Is the Company Behind Upsun?
-
Seller: Upsun
-
Company Website:
-
Year Founded: 2015
-
HQ Location: Paris, lle-de-France
-
LinkedIn® Page: www.linkedin.com
273 employees on LinkedIn®
Who Uses This Product?
-
Top Industries: Information Technology and Services, Computer Software
-
Company Size: 67% Small, 23% Medium
What Do G2 Reviewers Say About Upsun?
AI-generated summary from verified user reviews
Pros
- Users appreciate the great customer support of Upsun, enhancing their overall experience and satisfaction with the product.
- Users find Upsun to be easy to use, noting its reliability and excellent support for enhanced user experience.
- Users appreciate the focus on innovation and sustainability of Upsun, alongside excellent support and accessibility.
- Users appreciate the focus on innovation and sustainability with Upsun, making complex ideas accessible for everyone.
- Users find the reliability of Upsun impressive, with smooth deployments and dependable performance throughout their experience.
Cons
- Users struggle with access restrictions, needing support requests for DKIM records and managing separate setups for environments.
- Users experience complexity issues with domain provider compatibility and dependencies, complicating the use of Upsun.
- Users face complex setup challenges with Upsun, requiring support requests and environment-specific DKIM record configurations.
- Users find it challenging to retrieve Sendgrid DKIM records, requiring support and manual setup for each environment.
- Users face domain issues with CNAMEs and dependencies, though workarounds exist with support assistance.
