# Top 50 Cloud Startups Founded in 2021 by Funding (2026)

> The 50 best-funded cloud startups founded in 2021, ranked by total funding raised: $5.3B combined. With founding year, headquarters and each company's rounds.

Source: https://millionrounds.com/top-lists/cloud-startups-founded-2021 (Millionrounds; every figure on the page links to its filing or article)

- 1 [**AtlasEdge** AtlasEdge is an edge platform delivering digital infrastructure to customers.](https://millionrounds.com/company/atlasedge) AtlasEdge is an edge platform delivering digital infrastructure to customers. *Founded* 2021 London, United Kingdom **$1.4B** last round May 2026
- 2 [**Chainguard** Chainguard is a cybersecurity company founded in 2021, focused on software supply chain security.](https://millionrounds.com/company/chainguard) Chainguard is a cybersecurity company founded in 2021, focused on software supply chain security. *Founded* 2021 Kirkland, United States **$776M** last round Oct 2025
- 3 [**Bitdeer Technologies Group** Bitdeer is a provider of digital asset mining services for blockchain and high-performance computing.](https://millionrounds.com/company/bitdeer-technologies-group) Bitdeer is a provider of digital asset mining services for blockchain and high-performance computing. *Founded* 2021 Singapore, Singapore **$725M** last round Feb 2026
- 4 [**TeraWulf** TeraWulf is a bitcoin mining company that produces zero-carbon energy for crypto mining.](https://millionrounds.com/company/terawulf) TeraWulf is a bitcoin mining company that produces zero-carbon energy for crypto mining. *Founded* 2021 Easton, United States **$500M** last round Oct 2025
- 5 [**Modal Labs** Modal develops machine learning software to help run code in the cloud.](https://millionrounds.com/company/modal-labs) Modal develops machine learning software to help run code in the cloud. *Founded* 2021 New York, United States **$442M** last round Jun 2026
- 6 [**Panthalassa** Panthalassa is a public-benefit corporation based in Portland, Oregon, founded in 2016.](https://millionrounds.com/company/panthalassa) Panthalassa is a public-benefit corporation based in Portland, Oregon, founded in 2016. *Founded* 2021 Portland, United States **$365M** last round Aug 2026
- 7 [**Eliyan** Eliyan manufactures semiconductor interconnects to accelerate chiplet-based systems.](https://millionrounds.com/company/eliyan) Eliyan manufactures semiconductor interconnects to accelerate chiplet-based systems. *Founded* 2021 Santa Clara, United States **$195M** last round Jul 2026
- 8 [**Convex** Convex is a San Francisco-based company that offers an open-source reactive backend platform designed for web developers.](https://millionrounds.com/company/convex) Convex is a San Francisco-based company that offers an open-source reactive backend platform designed for web developers. *Founded* 2021 San Francisco, United States **$120M** last round Aug 2026
- 9 [**Cassava Technologies** Cassava Technologies is an information technology company.](https://millionrounds.com/company/cassava-technologies) Cassava Technologies is an information technology company. *Founded* 2021 London, South Africa **$90M** last round Oct 2025
- 10 [**Archy** Archy is a cloud-based healthcare technology company founded in 2021 by former Uber engineers Jonathan Rat and Ben Kolin.](https://millionrounds.com/company/archy) Archy is a cloud-based healthcare technology company founded in 2021 by former Uber engineers Jonathan Rat and Ben Kolin. *Founded* 2021 San Jose, United States **$85M** last round Sept 2026
- 11 [**Tessell** Tessell is an AI-native, multi-cloud Database-as-a-Service (DBaaS) platform founded in 2021 and headquartered in San Ramon, California, with a significant prese](https://millionrounds.com/company/tessell) Tessell is an AI-native, multi-cloud Database-as-a-Service (DBaaS) platform founded in 2021 and headquartered in San Ramon, California, with a significant prese *Founded* 2021 San Ramon, United States **$60M** last round Apr 2025
- 12 [**Taichi Graphics** Taichi Graphics is a software development company based in Beijing, founded in 2021 by Yuanming Hu and Ye Kuang.](https://millionrounds.com/company/taichi-graphics) Taichi Graphics is a software development company based in Beijing, founded in 2021 by Yuanming Hu and Ye Kuang. *Founded* 2021 Beijing, China **$50M** last round Feb 2022
- 13 [**Colossus** Colossus Computing, Inc.](https://millionrounds.com/company/colossus) Colossus Computing, Inc. *Founded* 2021 Oakland, United States **$36M** last round Sept 2022
- 14 [**Apono** Apono helps companies become secure and compliant while maintaining their productivity and agility.](https://millionrounds.com/company/apono) Apono helps companies become secure and compliant while maintaining their productivity and agility. *Founded* 2021 New York, United States **$34M** last round Nov 2025
- 15 [**Inngest** Inngest is a developer platform that offers an observable execution layer for AI agents and event-driven workflows.](https://millionrounds.com/company/inngest) Inngest is a developer platform that offers an observable execution layer for AI agents and event-driven workflows. *Founded* 2021 San Francisco, United States **$27M** last round Sept 2025
- 16 [**Suite Studios** Suite Studios is a Boulder, Colorado-based SaaS company founded in 2021 by James Maxwell and Mike Hering.](https://millionrounds.com/company/suite-studios) Suite Studios is a Boulder, Colorado-based SaaS company founded in 2021 by James Maxwell and Mike Hering. *Founded* 2021 Boulder, United States **$25M** last round Oct 2026
- 17 [**Momento** Momento is a premier wedding photography and videography company that services Las vegas & Reno Nevada](https://millionrounds.com/company/momento) Momento is a premier wedding photography and videography company that services Las vegas & Reno Nevada *Founded* 2021 United States **$25M** last round Aug 2025
- 18 [**Normalyze** Normalyze is a data-first cloud security platform.](https://millionrounds.com/company/normalyze) Normalyze is a data-first cloud security platform. *Founded* 2021 Sunnyvale, United States **$22M** last round Jun 2022
- 19 [**DIMO** Digital Infrastructure for Moving Objects](https://millionrounds.com/company/dimo) Digital Infrastructure for Moving Objects *Founded* 2021 Brooklyn, United States **$21M** last round Jan 2024
- 20 [**Akuity** Akuity is an enterprise software delivery platform that specializes in GitOps capabilities for Kubernetes.](https://millionrounds.com/company/akuity) Akuity is an enterprise software delivery platform that specializes in GitOps capabilities for Kubernetes. *Founded* 2021 Sunnyvale, United States **$20M** last round May 2022
- 21 [**FriendliAI** FriendliAI is a generative AI infrastructure company based in Redwood City, California, with roots in Seoul, South Korea.](https://millionrounds.com/company/friendliai) FriendliAI is a generative AI infrastructure company based in Redwood City, California, with roots in Seoul, South Korea. *Founded* 2021 San Francisco, United States **$20M** last round Aug 2025
- 22 [**Quanscient** Quanscient is a Finnish technology company based in Tampere, founded in 2021.](https://millionrounds.com/company/quanscient) Quanscient is a Finnish technology company based in Tampere, founded in 2021. *Founded* 2021 Tampere, Finland **$17M** last round May 2026
- 23 [**Nuon** Nuon Medical, founded in 2010 by Alain Dijkstra, is a technology partner that enhances conventional cosmetic packaging by integrating clinically validated medic](https://millionrounds.com/company/nuon) Nuon Medical, founded in 2010 by Alain Dijkstra, is a technology partner that enhances conventional cosmetic packaging by integrating clinically validated medic *Founded* 2021 San Francisco, United States **$17M** last round Dec 2024
- 24 [**Cloudquery** CloudQuery is the open-source cloud asset inventory powered by SQL.](https://millionrounds.com/company/cloudquery) CloudQuery is the open-source cloud asset inventory powered by SQL. *Founded* 2021 Wilmington, United States **$16M** last round Jun 2025
- 25 [**Entitle** Automated least privilege access for critical cloud applications.](https://millionrounds.com/company/entitle) Automated least privilege access for critical cloud applications. *Founded* 2021 New York, United States **$15M** last round Feb 2023
- 26 [**Exabits AI** Exabits is a decentralized infrastructure for AI and applications that enables users to offer distributed GPU services and data storage.](https://millionrounds.com/company/exabits-ai) Exabits is a decentralized infrastructure for AI and applications that enables users to offer distributed GPU services and data storage. *Founded* 2021 United States **$15M** last round Dec 2024
- 27 [**Mantium** Mantium is a software development company based in New Albany, Ohio, founded in 2021.](https://millionrounds.com/company/mantium) Mantium is a software development company based in New Albany, Ohio, founded in 2021. *Founded* 2021 New Albany, United States **$13M** last round Nov 2021
- 28 [**Cubbit** Cubbit is an Italian deep-tech startup founded in July 2016, specializing in geo-distributed cloud storage.](https://millionrounds.com/company/cubbit) Cubbit is an Italian deep-tech startup founded in July 2016, specializing in geo-distributed cloud storage. *Founded* 2021 Bologna, Italy **$13M** last round Jul 2024
- 29 [**Otterize** Otterize offers intent based service-to-service access control for cloud-native teams.](https://millionrounds.com/company/otterize) Otterize offers intent based service-to-service access control for cloud-native teams. *Founded* 2021 Dover, United States **$12M** last round Apr 2023
- 30 [**3nets** 3nets is a private company based in Santa Clara, California, founded in 2021.](https://millionrounds.com/company/3nets) 3nets is a private company based in Santa Clara, California, founded in 2021. *Founded* 2021 Santa Clara, United States **$11M** last round Nov 2022
- 31 [**CapGrid** CAPGRID is a tech-enabled, AI-powered B2B commerce platform that specializes in sourcing and procurement of precision components for the automotive, industrial,](https://millionrounds.com/company/capgrid) CAPGRID is a tech-enabled, AI-powered B2B commerce platform that specializes in sourcing and procurement of precision components for the automotive, industrial, *Founded* 2021 Gurugram, India **$11M** last round Oct 2026
- 32 [**Upstash** Upstash is a serverless data platform that simplifies data management for developers creating modern, data-intensive applications.](https://millionrounds.com/company/upstash) Upstash is a serverless data platform that simplifies data management for developers creating modern, data-intensive applications. *Founded* 2021 San Jose, United States **$10M** last round Feb 2024
- 33 [**Apache DolphinScheduler** Apache DolphinScheduler is a distributed and extensible workflow scheduler platform with powerful DAG visual interfaces.](https://millionrounds.com/company/apache-dolphinscheduler) Apache DolphinScheduler is a distributed and extensible workflow scheduler platform with powerful DAG visual interfaces. *Founded* 2021 Beijing **$10M** last round Jul 2022
- 34 [**Blecon** Blecon is a technology company based in Cambridge, UK, founded in 2020.](https://millionrounds.com/company/blecon) Blecon is a technology company based in Cambridge, UK, founded in 2020. *Founded* 2021 Cambridge, United Kingdom **$9.0M** last round Oct 2024
- 35 [**Greenpixie** Greenpixie is a London-based energy and sustainability technology startup founded in 2021 by John Ridd and William Tinney.](https://millionrounds.com/company/greenpixie) Greenpixie is a London-based energy and sustainability technology startup founded in 2021 by John Ridd and William Tinney. *Founded* 2021 London, United Kingdom **$8.4M** last round May 2026
- 36 [**Massdriver** Massdriver is an internal development platform and cloud operations platform that simplifies the management of Infrastructure as Code (IaC).](https://millionrounds.com/company/massdriver) Massdriver is an internal development platform and cloud operations platform that simplifies the management of Infrastructure as Code (IaC). *Founded* 2021 St. Louis, United States **$8.0M** last round Aug 2023
- 37 [**Biorsaf** Biorsaf S.r.l.](https://millionrounds.com/company/biorsaf) Biorsaf S.r.l. *Founded* 2021 Castell'Azzara, Italy **$7.6M** last round Sept 2026
- 38 [**PerfectScale** PerfectScale helps you get the most out of your Kubernetes, easily and effectively!](https://millionrounds.com/company/perfectscale) PerfectScale helps you get the most out of your Kubernetes, easily and effectively! *Founded* 2021 Raleigh, United States **$7.1M** last round Oct 2023
- 39 [**Lumeus.ai** Lumeus is an Agentless Zero Trust Networking technology that enables IT and security teams to integrate connectivity.](https://millionrounds.com/company/lumeus-ai) Lumeus is an Agentless Zero Trust Networking technology that enables IT and security teams to integrate connectivity. *Founded* 2021 San Jose, United States **$6.0M** last round May 2023
- 40 [**Unikraft** The lightweight virtualization company.](https://millionrounds.com/company/unikraft) The lightweight virtualization company. *Founded* 2021 Germany **$6.0M** last round Oct 2025
- 41 [**Chkk** Chkk is an Agentic Operational Safety Platform that serves as an AI-powered Upgrade Copilot for engineering teams.](https://millionrounds.com/company/chkk) Chkk is an Agentic Operational Safety Platform that serves as an AI-powered Upgrade Copilot for engineering teams. *Founded* 2021 Sunnyvale, United States **$5.2M** last round Oct 2023
- 42 [**Oorbit** The future of specialized cloud and grid computing](https://millionrounds.com/company/oorbit) The future of specialized cloud and grid computing *Founded* 2021 Palo Alto, United States **$5.0M** last round Mar 2022
- 43 [**Kibsi** Kibsi is a cloud-native, low-code computer vision platform that enables organizations to transform live video from existing cameras into structured, real-time d](https://millionrounds.com/company/kibsi) Kibsi is a cloud-native, low-code computer vision platform that enables organizations to transform live video from existing cameras into structured, real-time d *Founded* 2021 Irvine, United States **$5.0M** last round Dec 2022
- 44 [**Astran** Astran is a French software company founded in March 2021, specializing in operational resilience, business continuity, and crisis execution.](https://millionrounds.com/company/astran) Astran is a French software company founded in March 2021, specializing in operational resilience, business continuity, and crisis execution. *Founded* 2021 Paris, France **$5.0M** last round Jun 2023
- 45 [**Nitric** Making cloud-native & serverless dev fun and productive.](https://millionrounds.com/company/nitric) Making cloud-native & serverless dev fun and productive. *Founded* 2021 Boulder, United States **$4.9M** last round Jun 2025
- 46 [**Klotho** Klotho is an open source tool enabling adaptive cloud applications through Architecture-from-Code and intelligent code transformations](https://millionrounds.com/company/klotho) Klotho is an open source tool enabling adaptive cloud applications through Architecture-from-Code and intelligent code transformations *Founded* 2021 Los Angeles, United States **$4.5M** last round Aug 2023
- 47 [**Demox Labs** Demox Labs is a California-based blockchain platform that develops privacy-focused cryptocurrency wallets.](https://millionrounds.com/company/demox-labs) Demox Labs is a California-based blockchain platform that develops privacy-focused cryptocurrency wallets. *Founded* 2021 Walnut Creek, United States **$4.5M** last round Jun 2023
- 48 [**Moonsense** Moonsense was a software company based in Menlo Park/San Francisco, founded in 2021.](https://millionrounds.com/company/moonsense) Moonsense was a software company based in Menlo Park/San Francisco, founded in 2021. *Founded* 2021 Menlo Park, United States **$4.2M** last round May 2023
- 49 [**CAMO** CAMO Eats is a food delivery and dining service that enhances hotel room service experiences.](https://millionrounds.com/company/camo) CAMO Eats is a food delivery and dining service that enhances hotel room service experiences. *Founded* 2021 Anaheim, United States **$4.0M** last round Aug 2026
- 50 [**Mycelial** Mycelial unifies Edge and Cloud SQLite instances peer-to-peer and without any data middleware.](https://millionrounds.com/company/mycelial) Mycelial unifies Edge and Cloud SQLite instances peer-to-peer and without any data middleware. *Founded* 2021 New York, United States **$3.8M** last round Nov 2021

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Companies founded in 2021 whose funding rounds we classed in this sector, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.

## Who backed them?

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