Upsun

Upsun, formerly Platform.sh, is a cloud-native application platform recognized in the 2025 Gartner Magic Quadrant for Cloud-Native Application Platforms, trusted by over 17,000 developers across more than 8 years of operation to simplify turning code into secure production applications. The platform supports every app, every agent, and every cloud with no tradeoffs, enabling teams to deploy Django, Langchain, Gin, Symfony, Laravel, Next.js, Rails, Express, Flask, Phoenix, Actix Web, Torchserve, and Koa applications. Git-driven automation means every branch gets its own fully provisioned preview environment with cloned production data, enabling pull-request-based collaboration and 50-percent faster deployments. Multi-cloud and edge deployment eliminates vendor lock-in with infrastructure across AWS, Azure, and Google Cloud regions. Security and compliance certifications include SOC 2 Type 2, PCI DSS Level 1, HIPAA, and ISO/IEC 27001, making the platform suitable for healthcare, financial, and government workloads. The company holds B Corporation certification and Greenly sustainability certification for carbon-neutral hosting. Enterprise customers include Adobe, UNICEF, GAP, Assa Abloy, Columbia University, Oxford, Suzuki, Unity, Taboola, Invesco, NRDC, Orange, Sorbonne University, and the United States Chamber of Commerce. UNICEF reported a 60-percent cost reduction, the University of Missouri achieved 30-percent cost savings, and Freitag increased conversion rates by 25-percent after migrating to the platform.