Top Cloud Computing Startups in 2027

CoreWeave is a modern cloud, providing enterprise scale with the flexibility of a start-up. We build infrastructure that supports compute intensive workloads, so our clients can focus on what they do best. We have 7 data centers built to deliver mission critical applications and services with over 45,000 GPU's in our fleet. We lay Kubernetes on top to provide bare metal performance to users in ML Training, Real Time Inference and CGI markets. CoreWeave espouses small teams of high-performing, highly accountable engineers; the use of open source tools and libraries whenever possible; and focusing on delivering reliable, useful software to our customers.

Upbound is the industry’s first platform for building internal cloud platforms. Designed around control planes, Upbound offers a new methodology for building an internal cloud platform, purpose-built for your organization. Customers can quickly build, deploy, manage, secure, and use their platforms all from a single point of control.

nOps is an automated cloud optimization platform that makes it easy to allocate and manage cloud usage, commitments, and spend. Managing $4B+ in annual cloud spend, nOps helps companies of every size, from fast-growing startups to global enterprises, reclaim millions in wasted cloud costs. Cloud waste is one of the fastest growing challenges in tech. nOps tackles it by leveraging proprietary ML modeling and AI-powered automation to guide organizations toward the right commitment strategy. The platform eliminates manual provisioning entirely, delivering maximum cost savings without sacrificing reliability, so teams can focus on building and innovating. Trusted by innovative brands around the world, nOps has been recognized as a G2 Top 50 Security Product and G2 Leader for Winter 2025, is an AWS Advanced Technology Partner, and a proud FinOps Foundation Member with our CEO serving on the FinOps Foundation Governing Board.

KloudMate is a Cloud Observability platform for millions of Developers building applications on Serverless infrastructure. KloudMate detects performance bottlenecks in modern distributed applications, identifies errors and boosts developer productivity by reducing mean time-to-resolve issues, helping businesses shrink operating costs, increase customer satisfaction and grow revenues.

Coralogix is a full-stack observability platform that enables businesses to monitor and manage data in real time, providing instant insights without the need for indexing. The platform supports Log Analytics, application performance monitoring (APM), security information and event management (SIEM), real user monitoring (RUM), and infrastructure monitoring, offering complete visibility into AI performance, security, and governance in a single solution. Coralogix offers a simple pricing model based on data volume, along with world-class support that ensures rapid response times and swift resolutions.

Seqera empowers scientists to solve today's most complex and important challenges – from pioneering innovative therapeutics to unveiling the secrets of the universe. The journey began with Nextflow — open software that helps over 100,000 global scientists analyze and process data, with more power and flexibility than ever before. Seqera equips scientists with modern software development tools to conduct science faster, on larger datasets, and with more confidence. Accelerating discoveries in an open world.

CloudFlare is building a faster, safer web from the ground up. Nearly half a million websites today have the speed and security previously reserved for the Internet giants because they are a part of the CloudFlare network.

We are a venture-backed tech startup with headquarters in San Francisco (Salesforce Tower) but our team is distributed across 8 timezones and we have a remote-first work culture - and not just because of Covid. Working on developer tools and open-source technology is part of our DNA. We are the maintainers of several open-source projects in the Kubernetes space: 1. vcluster - Virtual Kubernetes Clusters: vcluster.com (certified Kubernetes distribution) 2. DevSpace - Docker-Compose But For Kubernetes: devspace.sh 3. kiosk - Multi-Tenancy Extension for Kubernetes: kiosk.sh (AWS security best practice for EKS) 4. jsPolicy - Kubernetes Policies using JavaScript & TypeScript: jspolicy.com Our commercial product is called Loft (loft.sh) and brings all our open-source projects together in one platform which enables high-velocity engineering teams to move faster when building cloud-native software. Most of our customers are startup unicorns and Fortune 500 companies.

Quantum technology, which harnesses quantum physics as a resource, will be as transformational in the 21st century as harnessing electricity was in the 19th. Q-CTRL is bringing the power of control engineering to the quantum domain in order to accelerate the pathway to real and useful quantum computers. Our solutions, which we call quantum firmware, help address the most pressing challenge in the field - stabilizing quantum hardware against error. The products we build give you the ability to design and deploy the most effective controls to suppress errors in your quantum hardware before they accumulate, accelerating your roadmap to functional systems. Q-CTRL is ready to build a new industry for the 21st century by helping our customers take control of their quantum future.

We are Aiven—a cloud technology startup launched in 2016. We create managed cloud services from the best open source technologies that take the infrastructure worries away from our customers. Our products are used daily by hundreds of customers across the globe to power their next-gen event streaming and analytics applications with more joining every single day. Backed by Europe's leading investors, we’re now looking for top talent to join us in our headquarters in Helsinki and our new offices in Boston, Berlin and Sydney.