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?
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Has the product been a good partner in doing business?: 9.1/10 (Category avg: 8.9/10)
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Compliance: 9.3/10 (Category avg: 8.6/10)
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Developer Tools: 9.1/10 (Category avg: 8.6/10)
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Web Content Dedication: 8.8/10 (Category avg: 8.6/10)
Who Is the Company Behind Upsun?
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Seller: Upsun
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Company Website:
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Year Founded: 2015
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HQ Location: Paris, lle-de-France
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Twitter: @upsundotcom
5,030 Twitter followers
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LinkedIn® Page: www.linkedin.com
273 employees on LinkedIn®
Who Uses This Product?
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Top Industries: Information Technology and Services, Computer Software
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Company Size: 67% Small, 23% Medium
What Do G2 Reviewers Say About Upsun?
AI-generated summary from verified user reviews
Pros
- Users commend the excellent customer support of Upsun, highlighting its reliability and helpfulness in resolving issues.
- Users appreciate the focus on innovation and sustainability in Upsun, enhancing accessibility and support for developers.
- Users appreciate the ease of use of Upsun, finding it reliable and well-supported for seamless performance.
- Users value the 24/7 support of Upsun, enhancing their experience with prompt and reliable assistance.
- Users commend the auto backup features of Upsun, ensuring smooth deployments and peace of mind.
Cons
- Users face access restrictions with Upsun, needing support for DKIM records and separate setups for each environment.
- Users find complexity issues with domain support and activity dependencies, occasionally requiring workarounds for optimal use.
- Users find the complex setup with Sendgrid DKIM records frustrating and time-consuming, requiring support for resolution.
- Users face a difficult setup with Upsun, needing support for Sendgrid DKIM records and multiple environment configurations.
- Users experience domain issues like CNAME limitations and dependency problems, yet support helps find workarounds.
