Upsun
Upsun (formerly Platform.sh) is a Paris-based multi-cloud Platform-as-a-Service provider that enables developers and enterprises to build, deploy, and manage web applications across multiple cloud providers using Git-driven automation. It serves 30+ named enterprise and institutional customers across financial services, government, SaaS, education, and other regulated verticals.
- Company typePrivate
- Founded2015
- HeadquartersParis, France
- Headcount251–500
- GTM typeB2B
- OfferingSoftware
What Upsun does
Upsun (formerly Platform.sh) is a Paris-headquartered, privately held multi-cloud Platform-as-a-Service provider that enables developers and enterprises to build, deploy, and manage web applications across multiple cloud providers without vendor lock-in. The platform is Git-driven, with per-branch instant preview environments, CLI/console/API surfaces, and built-in observability, APM, profiling, security/compliance, scaling, backup, and team/access management modules. It supports a broad multi-language and multi-framework runtime including PHP, Python, Node.js, Ruby, Java, and Golang across frameworks such as Django, Next.js, Drupal, WordPress, Symfony, Magento, Laravel, and .NET.
The company runs a hybrid go-to-market spanning self-serve product-led growth (free trial signup), direct enterprise field sales (vertical solutions pages covering Financial Services, Government, SaaS, Manufacturing, Higher Education, Travel & Hospitality, Retail, and Healthcare), an in-house Strategic Implementation Experts delivery team, and a certified Agency/Hosting Partner program with a dedicated partner portal. Revenue is generated primarily from recurring subscription fees for the platform, with additional streams from priority support plans, professional services via Strategic Implementation Experts, and channel-sourced partner revenue. Pricing tiers are not publicly disclosed; the website presents a free trial entry point and paid monthly/annual subscription options.
Upsun is venture-backed, with cumulative disclosed funding of approximately $187M across five rounds through a $139.9M round in June 2022. The company has 251-500 employees, 31+ named enterprise and institutional customer logos spanning Adobe, UNICEF, Gap, Assa Abloy, Columbia University, Invesco, Orange, Oxford, Sorbonne, Suzuki, Taboola, and Unity, and serves customers globally across Europe, North America, APAC, and MEA. In April 2026 Upsun appointed Stephane Kasriel (FAIR Foundations lead at Meta Superintelligence Labs, former Upwork CEO) to its Board of Directors and disclosed preparation for a next phase of corporate development that may include strategic acquisitions, capital structure optimization, and liquidity pathways for early investors.
Upsun firmographics
Firmographics- Name
- Upsun
- Legal name
- Upsun
- Website
- https://upsun.com
- Company type
- Private
- Founded year
- 2015
- Operating status
- Operating
- Headcount range
- 251–500 employees
- Short description
- Upsun (formerly Platform.sh) is a Paris-based multi-cloud Platform-as-a-Service provider that enables developers and enterprises to build, deploy, and manage web applications across multiple cloud providers using Git-driven automation. It serves 30+ named enterprise and institutional customers across financial services, government, SaaS, education, and other regulated verticals.
- Ownership category
- akta.pro rank
Where Upsun is headquartered
LocationHeadquarters
- HQ city
- Paris
- HQ country
- France
- HQ region
- Europe
Markets served
Upsun business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Infrastructure, Personnel, Marketing or Sales, Operations
Revenue model
- Subscription / recurring PaaS platform fees: Core revenue from recurring subscription fees for the Upsun multi-cloud PaaS platform, with tiered plans (referenced via the /pricing/ page) that bundle environments, services, and support. Self-serve free trial converts into paid subscriptions.
- Strategic Implementation / professional services: Revenue from Upsun's Strategic Implementation Experts — in-house implementation architects who deliver complex migrations, modernization, and launch projects for enterprise customers.
- Priority support plans: Recurring revenue from premium / priority support subscriptions on top of the base platform.
- Channel / agency partner-sourced revenue: Revenue share or referral revenue from certified agency and hosting partners reselling Upsun to their own end customers.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Freemium | Monthly | Free trial entry point with self-serve signup |
| Subscription | Monthly | Paid subscription tiers (details on /pricing/ page) |
| Subscription | Annual | Priority Support add-on |
Go-to-market motion4 records
Distribution channels4 records
Marketing channels8 records
Upsun product offering
Product offeringCore offering
Upsun is a multi-cloud Platform-as-a-Service (PaaS), formerly known as Platform.sh, that lets organizations develop, deploy, and operate web applications and AI agents across multiple cloud providers using portable configurations. The platform is Git-driven, supports instant per-branch preview environments, and bundles observability, security/compliance, scaling, backups, and team management behind a CLI, console, and API.
Product overview
Upsun is a single unified Platform-as-a-Service (formerly Platform.sh) for developing, deploying, and operating applications and AI agents across multiple cloud providers. The core platform is augmented by a set of feature modules — Preview Environments, Multi-Cloud and Edge, Git-Driven Automation, Observability/APM/Profiling, Security and Compliance, Scaling and Performance, Backups and Data Recovery, Team and Access Management, CLI/Console/API, and Integrations and Webhooks — plus language/framework support (PHP, Python, Node.js, Ruby, Java, Go; Django, Next.js, Drupal, WordPress, Symfony, Magento, Laravel, .NET). Solutions areas include Application Modernization, eCommerce and CMS hosting, Multi-Site Management, Compliance and Governance, DevOps and Platform Engineering, and AI and Automation. Professional services include Strategic Implementation Experts and Priority Support, alongside an Agency Hosting Partner program.
Differentiator
Problem solved
Functional benefit
Products and services
- Upsun Platform (Multi-Cloud PaaS) Core multi-cloud Platform-as-a-Service (formerly Platform.sh) that lets development teams build, deploy, and operate web applications and AI agents across multiple cloud providers. Supports languages including PHP, Python, Node.js, Ruby, Java, and Golang, and frameworks including Django, Next.js, Drupal, WordPress, Symfony, Magento, Laravel, and .NET. Target users are enterprise and mid-market development teams.
- Strategic Implementation Experts Professional services offering in-house implementation architects who deliver complex migrations, modernization, and launch projects for Upsun enterprise customers. For organizations undertaking large-scale platform rollouts.
- Priority Support Premium support subscription tier offered on top of the base Upsun platform for customers requiring elevated response and service levels.
- Agency Hosting Partner Program Channel program that enables certified agencies and hosting partners to resell, host, and implement Upsun for their own end customers, with access to a partner portal.
Companies that use Upsun
Customer profileNamed customers31 records
Segments10 records
Ideal customer profiles5 records
Upsun technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration2 records
AI capability3 records
Feature8 records
Upsun partnerships and signals
Strategic signalPartnerships
Three partnerships are on record, tiered flagship and core.
- Stephane Kasriel (Meta FAIR Foundations lead)flagshipIn April 2026 Upsun appointed Stephane Kasriel — who currently leads FAIR Foundations at Meta Superintelligence Labs and previously served as CEO of Upwork — to its Board of Directors. Kasriel brings over two decades of experience scaling global technology platforms and is expected to help guide Upsun as AI-assisted coding reshapes software development. Upsun stated it is preparing for its next phase of corporate development, which may include strategic acquisitions, capital structure optimization, and liquidity pathways for early investors.
- Strategic Implementation Experts (Upsun in-house)coreUpsun's Strategic Implementation Experts are its in-house implementation architects who help customers turn complex projects into confident launches via deep technical pathways and migrations. The program is promoted directly on the Upsun site and is a core go-to-market capability for enterprise deals.
- Agency Hosting Partner Program (unnamed agencies)coreUpsun runs a "Become an agency partner" program with a dedicated partner portal (partner-portal.upsun.com/login). Certified agencies and hosting partners resell and implement Upsun for their own end customers, though specific named partner agencies are not disclosed in the source.
Scale indicators8 records
Recent moves6 records
Expansion highlights7 records
Upsun competitors and assessment
Company assessmentDirect peers
- Heroku (Salesforce): Direct PaaS peer offering managed application hosting with similar multi-language runtimes (Node.js, Ruby, Python, Java, PHP, Go). Competes head-to-head with Upsun for developer-led application deployment and is the most established brand in the same product category.
- Vercel: Modern developer-focused PaaS with Git-driven deployments and instant preview environments — a core Upsun capability. Strong overlap in the Next.js/frontend framework ecosystem where both platforms compete for the same developer workflow.
- Render: Cloud PaaS offering managed web services, databases, and preview environments with Git-driven workflows. Closely comparable on business model (subscription PaaS targeting developers and small teams) and core feature set (preview environments, multi-language runtimes, managed scaling).
- Netlify: Developer PaaS for modern web applications with Git-driven previews, edge functions, and managed hosting. Overlaps with Upsun on instant preview environments, framework support (Next.js), and the developer-led adoption motion targeting web teams.
Emerging players
- Railway: Emerging PaaS focused on simplified deployment of services and databases with usage-based pricing. Competes with Upsun for developer-led workloads, especially among smaller teams looking for a low-friction alternative to hyperscaler PaaS.
- Fly.io: Application platform running workloads close to end users across global regions. Comparable to Upsun's multi-cloud/edge posture and developer-first GTM, though Fly leans on its own global infrastructure rather than portability across hyperscalers.
Broad incumbents
- Amazon Web Services (AWS Elastic Beanstalk / App Runner): Hyperscaler PaaS offerings bundled with the broader AWS ecosystem. Represents the largest incumbent competitive threat: customers can absorb PaaS economics into AWS spend, undercutting Upsun's pricing on cloud-adjacent deployments.
- Microsoft Azure App Service: Hyperscaler PaaS for web apps, APIs, and mobile backends with deep enterprise and regulated-workload integrations. Particularly relevant given Upsun's enterprise/government focus where Microsoft holds incumbent relationships.
- Google Cloud Run / App Engine: Google Cloud's serverless and PaaS offerings that compete for cloud-native application workloads, with strong appeal to teams already standardized on GCP data and AI services.
- DigitalOcean App Platform: Simplified PaaS layered on DigitalOcean's cloud, targeting SMB and mid-market developers with predictable pricing. Comparable on developer-led onboarding and managed hosting, though less specialized for multi-cloud portability than Upsun.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks5 records
Key highlights7 records
Customer concentration
Upsun social profiles
Digital presenceUpsun financial estimates
Financial estimateRevenue estimate
Valuation estimate
Upsun leadership team
Management profileNumber of profiles
Profiles4 records
Upsun funding detail
Funding detailFunding overview
Funding rounds5 records
Investors12 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Upsun M&A and investment
M&A and investmentM&A1 record
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Upsun
What does Upsun do?
Upsun is a multi-cloud Platform-as-a-Service (PaaS), formerly known as Platform.sh, that lets organizations develop, deploy, and operate web applications and AI agents across multiple cloud providers using portable configurations. The platform is Git-driven, supports instant per-branch preview environments, and bundles observability, security/compliance, scaling, backups, and team management behind a CLI, console, and API.
Is Upsun a public or private company?
Upsun is a private company. It is classified as venture growth investor backed and is currently operating.
When was Upsun founded?
Upsun was founded in 2015. It employs 251 to 500 people.
Where is Upsun based?
Upsun is headquartered in Paris, France, in the Europe region.
How does Upsun make money?
Four revenue lines are on record. Subscription / recurring PaaS platform fees are the primary driver. The others are strategic Implementation / professional services, priority support plans and channel / agency partner-sourced revenue.
Who are Upsun's main competitors?
Direct peers on record are Heroku (Salesforce), Vercel, Render and Netlify. Emerging players are Railway and Fly.io. Broad incumbents are Amazon Web Services (AWS Elastic Beanstalk / App Runner), Microsoft Azure App Service, Google Cloud Run / App Engine and DigitalOcean App Platform.
Does Upsun have an API?
Yes. Upsun exposes a CLI, console, and API as a product feature, enabling developers to manage applications, environments, deployments, and infrastructure programmatically. Developer documentation is hosted at https://developer.upsun.com/. Specific API type (REST, GraphQL, gRPC), authentication method, rate limits, versioning, or sandbox availability were not detailed in the source. Developer documentation is at developer.upsun.com.