Platform.sh is a cloud-native Platform-as-a-Service (PaaS) purpose-built to make it easy for distributed teams to build, ship, and grow software across every major cloud. It originated in 2010 within SensioLabs, the Paris-based firm behind the Symfony PHP framework, and spun out as its own independent company in 2015. With headquarters in Paris and teams in several continents, Platform.sh has remained privately owned and free from the portfolio of any major cloud corporation. Over the last decade it has earned the loyalty of developers, creative agencies, and global enterprises, delivering consistent, reproducible environments in containers powered by AWS, Azure, Google Cloud, and OVH, among others.

On September 23, 2025, Platform.sh will unveil its next chapter under the name Upsun. This transition, the highlight of the company’s evolution, deepens its enduring promise to developers, to full-scale teams, and to imaginative creators pushing the digital frontier. Although the branding will change, the commitment will not: a steadfast platform purpose-built to elevate bold visions in an ecosystem that refuses to stand still.

Why Platform.sh is Becoming Upsun in 2025

For a decade, Platform.sh has been the touchstone for teams that architect, launch, and scale complex digital experiences with both speed and certainty. Its inventions, container-based workflows, and seamless multi-cloud configurations have turned the company into a steadfast partner for web studios, scale-ups, and industry giants alike.

Yet in the same decade, the horizon has shifted. Organizations now design ever-bolder initiatives within ever-narrower windows, leaning into headless CMSs, microservices, and emerging AI designs. The transition to Upsun is a beacon to that journey: a declaration that both platform and creator have surpassed the boundaries of the past and are poised for the expansive innovations ahead.

The fresh name goes well beyond surface level flair. Upsun speaks to persistent optimism and dependable forward motion, like a brightening day. It promises steadiness, trust, and confidence to take the next step. Every element of the brand, from visual style to tone of voice, results from deep, day-long workshops involving engineers, customers, design partners, and product managers, crafting a voice that feels simple, lively, and open.

What Customers Can Expect from the Upsun Rebrand

None of the enthusiasm should confuse passing details. Platform.sh has committed to a straightforward switch to Upsun. Every project, pipeline, link, SLA, performance promise, and team reaching out to the Help Desk will keep the current look and same strengths. Account settings, feature bundle names, and pricing will import automatically; execution will shift without so much as a ripple.

The only difference will take place inside the names, starting with the word Fixed. Upsun Fixed keeps the dependable, plan-oriented structure that earlier customers like. Customers will see the same calculated GBs and the same shelf life, just with a name that lifts its gaze to the next horizon. New together with Fixed, Upsun Flex welcomes a transparent, consumption-oriented pricing experience for groups that prefer to flick, add, and remove GBs exactly as operational demands rise and fall. Enterprises can stick to Fixed, switch to Flex, or weave the two; however, their policies and pilots need to be each path ligated, with zero downtime.

Upsun Pricing Models: Fixed vs Flex

This new evolution targets what keeps most CTOs up at night: knowing what their cloud bill will look like three, six, or twelve months from now. Upsun tackles that anxiety head-on by packaging both flat-rate and per-use pricing into the same dashboard, letting finance, engineering, and security teams sleep easier knowing they can add payloads without entering a “maybe that’s a surprise bill” month. Scaling still feels like a default setting, and apps still respond like natural growth, instead of a quarterly surprise reforecast line item.

Upsun Expands to Support AI-Powered Applications

Now, the next offense is the AI decade that’s already in the calendar. Upsun reclaims the FUTURE NOW mandate by stating that it will expand its feature set in ways that reach for large language workloads, image synthesis, and real-time feedback loops. With purpose-built stacks like ClickHouse for vector retrieval, LangChain for composable tasks, and TorchServe for ML model serving, engineering teams find seasoned accelerators already tuned. Suppose a recorder can run Python, Node, PHP, or Go. In that case, it now sees AI observability that highlights cold starts, context drift, and model payload across observability and error metrics, because surveying the new and the legacy in the same lens collapses effort by a quarter.

What the Upsun Rebrand Means for Developers and Enterprises

For developers and enterprises, the Upsun brand represents clarity. New users will enter through the Upsun experience, while existing Platform.sh customers continue uninterrupted. The separation allows the company to clearly position itself under the new banner as a self-serve, developer-first offering while maintaining the strength of its enterprise portfolio.

In practical terms, it feels like a rebrand because it is: Platform.sh as a name is stepping aside for Upsun, even though the underlying company and technology remain the same. For customers, this means a smoother on-ramp, more transparent pricing, and expanded capabilities, all without giving up the trust and reliability they’ve come to expect.

Upsun: Built on Trust, Designed for What’s Next

This rebrand began with a single promise: trust. Upsun wants clients to know that every query, every deployment, every workspace, and every ticket is performed under the same steadfast policies, SLAs, and workflows that already power their teams. The only difference is a sharper, more forward-edged logo and a dashboard that’s already mirrored, so the moment you click next, the teacup keeps steaming the same way.

When September 23, 2025 arrives, the familiar Platform.sh name will give way to Upsun. For developers, agencies, and enterprises alike, it’s not the end of an era but the dawn of a new one. The sun is rising on a platform built to handle the complexities of today while preparing for the opportunities of tomorrow.