The 10 Coolest Cloud Computing Startup Companies Of 2025
Mondoo, Augmentt and Eon are among the coolest cloud computing startups CRN found in 2025.
The provider of an agentic vulnerability management platform, an MSP-focused centralized security platform for managed Microsoft and cloud application services and a company that provides a way to unlock cloud data backups for enterprise AI are among the cloud computing startups CRN is deeming the most interesting of 2025.
Mondoo, Augmentt and Eon.io, respectively, join a slate of other heavy-hitter upstarts in the world of cloud computing as organizations big and small examine their investments across the IT estate and what they mean in this new era of artificial intelligence and AI agents.
For solution providers in 2025, this has meant more work cleaning and harmonizing customer data, migrating more on-premises workloads to the cloud and exploring the ways AI tools can cut down on overhead or even open up new revenue-generating opportunities for their customers and themselves.
CRN has looked at the cloud startups investing heavily in innovation, raising large funding rounds, building out channel partner programs and more as they leverage the power of the cloud to deliver on growing demands in AI, security and data processing.
[RELATED: The 10 Hottest Cybersecurity Startups Of 2025]
Cloud Startup Companies 2025
For this list, CRN defines a startup as founded within five years of the list date, eliminating companies such as Lambda and CloudZero that have raised eye-popping amounts of capital in 2025.
In October, Gartner forecast that worldwide IT spending is expected to total $6.08 trillion in 2026, an increase of 9.8 percent from 2025 and good news for solution providers leveraging cloud tools to deliver for customers. IT services spending in 2026 is forecast to reach $1.9 billion, up 8.7 percent year on year and an acceleration over 2025’s 6.5 percent growth.
Be sure to check out CRN’s other 2025 startup lists including The 10 Hottest NetworkingStartups of 2025 and The 10 Hottest Semiconductor Startups of 2025.
Here is more information on the coolest cloud computing startup companies of 2025.
Armada
CEO: Dan Wright
Headquarters: San Francisco
Armada’s pitch to partners is a way to optimize cloud platforms, servers, storage and other parts of a computing environment through modular data centers.
In November, Armada introduced its Bridge software that combines bare-metal GPU performance with cloud-native flexibility through Armada’s orchestration stack. Bridge federates distributed GPU clusters while maintaining data residency, security and compliance so that governments, telecommunications companies and research institutions can develop and operate AI within their own borders without external cloud dependencies.
In 2025, the startup also unveiled new collaborations with OpenAI and Skydio. In July, Armada closed a $131 million strategic funding round that included participation by Microsoft's venture fund M12. The startup also offers a partner program for solution providers, with Carahsoft—No. 18 on CRN’s 2025 Solution Provider 500—among its members.
CEO Wright co-founded Armada in 2022, according to his LinkedIn account. He previously served as CEO of DataRobot for about a year before launching his startup. He also served as president and COO of the company a year prior.
He also worked at AppDynamics for about seven years, leaving in 2019 with the title of COO. Cisco Systems bought AppDynamics in 2017.
Augmentt
CEO: Derik Belair
Headquarters: Kanata, Ontario
Augmentt promises MSPs a centralized security platform for managed Microsoft and cloud application services, with visibility across all end users for auditing and security threat detection.
The holidays came a little early for the startup with the November disclosure of a nearly $13 million (CAD $18 million) Series A financing round that will go toward product road map, go-to-market operations and deepening partnerships, according to a company statement.
Also in November, the vendor revealed its Intune Autopilot for standardizing and automating Microsoft Intune management across every customer environment.
CEO Belair co-founded Augmentt in 2020. He previously served as vice president of marketing at SolarWinds, according to his LinkedIn account.
The startup’s top channel goals for 2025 included increasing the amount of net-new accounts coming through partners, according to CRN’s 2025 Channel Chiefs.
Cast AI
CEO: Yuri Frayman
Headquarters: Miami
Lowered cloud costs, improved application performance and more developer operations efficiency are some of the benefits Cast AI touts for users of its automation platform.
The Miami-based startup automatically right-sizes Kubernetes workloads, scales clusters and redistributes workloads to maximize node use and prevent overprovisioning, according to Cast AI. Users can track cost allocation to CPUs, memory, storage and other resources as well as automate AI model selection.
In May, Cast AI revealed that it closed a $108 million Series C round of funding that included SoftBank Vision Fund 2. It doubled its customer base between 2023 and 2024 to more than 2,100 organizations.
Following the funding round, innovation from Cast AI in 2025 included the Cast AI Operator for automating installation, configuration and life-cycle management of Cast AI components in Kubernetes clusters plus general availability of its commercially supported container live migration feature on Amazon Web Services and Elastic Kubernetes Service, according to the startup.
CEO Frayman co-founded Cast AI in 2020, according to his LinkedIn account. He previously co-founded Cujo AI in 2015.
Cast AI is part of CRN’s 2025 Partner Program Guide.
Cyera
CEO: Yotam Segev
Headquarters: New York
Cyera aims to provide users with a way to protect and control data in the cloud, on-premises and wherever else it resides as artificial intelligence takes off.
In June, Cyera confirmed that it raised a $540 million Series E funding round and reached a $6 billion valuation. Since then, it’s expanded its coverage to Salesforce’s Service Cloud and Health Cloud products, deepened integration with Microsoft Copilot Studio, rolled out its AI Guardian suite for AI security posture management and runtime protection, and unveiled its Cyera Access Trail tool for correlating data and identity context with access activity to improve insider risks, among other advancements.
CEO Segev co-founded the company in 2021, according to his LinkedIn account. He previously helped build and run the cloud security division for Unit 8200 of the Israeli Defense Force.
Cyera has about 70 channel partners worldwide, according to CRN’s 2025 Channel Chiefs.
Eon.io
CEO: Ofir Ehrlich
Headquarters: New York
Eon.io closed out 2025 with a hefty war chest for its vision of unlocking cloud data backups for enterprise AI—a $300 million Series D round.
The startup will use the money toward research and development, hiring and market expansion as it seeks to win over new users of its new cloud backups storage tier that keeps users compliant, speeds up recovery and reduces cloud costs, according to Eon.
Eon can contextually understand, classify and index cloud resources and applications and provide users with a unified search engine spanning multiple cloud services and providers for locating files and database records. Users also gain snapshots for instant access to database backups among other capabilities.
CEO Ehrlich co-founded the company in 2024, according to his LinkedIn account. His resume includes about four years with Amazon Web Services, leaving the cloud giant in 2023 as head of engineering for Application Migration Service and Elastic Disaster Recovery Service.
He joined AWS with the 2019 acquisition of CloudEndure, which he co-founded in 2012 and where he held the title of vice president of R&D.
Extend
CEO: Kushal Byatnal
Headquarters: New York
Extend is building a document processing cloud to prepare unstructured data for the AI era.
Extend leverages vision models built for complex documents, with the promise of turning massive tables, messy handwriting and checkboxes into usable data.
In June, Extend said it raised $17 million in seed and Series A funding to continue advancing its products. Since then, the startup has released its AI agent Composer, which learns from users’ documents and optimizes schemas automatically. Composer can achieve high accuracy and take down the time dedicated to document tasks, according to the startup.
CEO Byatnal co-founded Extend in 2022, according to his LinkedIn account. He previously co-founded Stir in 2020 and served as the startup’s CTO. He also worked as a software engineer at Google for about a year.
Fireworks AI
CEO: Lin Qiao
Headquarters: Redwood City, Calif.
A globally distributed virtual cloud infrastructure delivering open-source AI models with enterprise-grade security and reliability across mission-critical workloads is the aim of Fireworks AI.
In October, Fireworks locked down a $250 million Series C round of funding and counts among its investors Nvidia, AMD, MongoDB and Databricks. The money will go toward product expansion, growing the computation footprint at least threefold and minimizing cost per token.
Since the Series C funding round, Fireworks has signed a strategic collaboration agreement with AWS around joint go-to-market efforts and collaborated with Nvidia to bring Nemotron Nano 2 9B models to the Fireworks AI platform.
Fireworks has a partner program for consultancies, systems integrators, services partners and other business models, according to the startup’s website. Members include BCG and Deloitte.
CEO Qiao co-founded Fireworks in 2022, according to her LinkedIn account. She previously worked at Facebook parent Meta for about seven years, leaving with the title of senior director of engineering.
Keycard
CEO: Ian Livingstone
Headquarters: San Francisco
Positioning itself as the missing ingredient for secure, trusted agent access, Keycard offers users a way to securely connect agents and applications with a managed enterprise cloud that extends into user environments through private networking if they desire.
The startup’s agent identity and platform allow for agent-to-service connections across clouds and teams. Keycard aims to leverage ephemeral, identity-bound tokens with support for mixed delegation chains and task scoped policy enforcement to provide security that makes sense in a world of AI agents.
Keycard revealed in October that it had raised a $38 million seed and Series A funding round. The next month, Keycard said it acquired Runebook to accelerate its ecosystem of integrations and software development kits for building production-ready agents and tools powered by the Model Context Protocol.
CEO Livingstone co-founded Keycard in January, according to his LinkedIn account. He previously held a role in platform strategy with security vendor Snyk for about three years. He co-founded data science platform Cape Privacy in 2018 and served as its head of engineering until 2020.
He also co-founded Manifold in 2016 and served as its CTO. Snyk acquired Manifold in 2021.
Mondoo
CEO: Soo-Choi Andrews
Headquarters: Berkeley, Calif.
Mondoo’s Agentic Vulnerability Management product seeks to autonomously identify, prioritize and remediate vulnerabilities and policy violations across a user’s cloud, on-premises, applications, endpoints and other parts of the IT estate.
The structured, context-aware AI-native security model powering Mondoo’s platform helped it land $17.5 million in funding in September, with the funds giving Mondoo new resources for go-to-market and platform innovation in 2026. Mondoo also wants to strengthen its partner channels, according to a company statement.
Mondoo offers a partner program aimed at resellers, managed security services providers and other business models, according to the company’s website.
CEO Andrews co-founded Mondoo in 2021, according to her LinkedIn account. She previously worked in partnerships at Google for about two years.
Together AI
CEO: Vipul Ved Prakash
Headquarters: San Francisco
Together AI’s cloud platform is aimed at helping developers and researchers at organizations of all sizes train, fine-tune and deploy generative AI models, giving the user model ownership instead of a cloud provider.
The company allows users to deploy on Nvidia GB200 NVL72 and other hardware, with developers able to go from self-serve instant clusters to custom AI factories for high-scale workloads.
In February, Together AI revealed that it raised a $305 million Series B round of funding with investors including Kleiner Perkins, Salesforce Ventures, Nvidia and former Cisco CEO John Chambers.
Since then, the startup’s product innovations include the AutoJudge method of task-specific lossy speculative decoding, an expanded set of high-performance and low-latency voice infrastructure, an AI model library with 40-plus new image and video models and general availability of Together Instant Clusters for faster provisioning.
CEO Prakash co-founded Together in 2022, according to his LinkedIn account. He previously co-founded Topsy in 2007 and served as CEO and CTO of the company before it was sold to Apple in 2013. He spent another five years with Apple, leaving as a senior director.