# Top 20 Cloud Startups in San Jose by Funding (2026)

> The 20 best-funded cloud startups in San Jose, ranked by total funding raised: $2.0B combined. With founding year, headquarters and each company's rounds.

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

- 1 [**Lumilens** Lumilens addresses the red hot market for AI data center infrastructure by designing, manufacturing and selling photonic interconnect solutions.](https://millionrounds.com/company/lumilens) Lumilens addresses the red hot market for AI data center infrastructure by designing, manufacturing and selling photonic interconnect solutions. *Founded* 2024 San Jose, United States **$709M** last round Aug 2026
- 2 [**CloudBees** CloudBees develops a cloud-based platform that provides end-to-end automated software delivery.](https://millionrounds.com/company/cloudbees) CloudBees develops a cloud-based platform that provides end-to-end automated software delivery. *Founded* 2010 San Jose, United States **$273M** last round Dec 2021
- 3 [**Spectro Cloud** Spectro Cloud is an enterprise cloud-native infrastructure company founded in 2019 and based in San Jose, California.](https://millionrounds.com/company/spectro-cloud) Spectro Cloud is an enterprise cloud-native infrastructure company founded in 2019 and based in San Jose, California. *Founded* 2019 San Jose, United States **$175M** last round Jul 2026
- 4 [**A10 Networks** A10 Networks offers solutions for accelerating web application delivery, bandwidth management and network identity issues.](https://millionrounds.com/company/a10-networks) A10 Networks offers solutions for accelerating web application delivery, bandwidth management and network identity issues. *Founded* 2004 San Jose, United States **$143M** last round Dec 2016
- 5 [**ZutaCore** ZutaCore is a private data center technology company founded in 2016, headquartered in San Jose, California, with research and development facilities in Israel](https://millionrounds.com/company/zutacore) ZutaCore is a private data center technology company founded in 2016, headquartered in San Jose, California, with research and development facilities in Israel *Founded* 2016 San Jose, United States **$100M** last round Jun 2026
- 6 [**Cloudinary** Cloudinary is a cloud-based Software-as-a-Service (SaaS) platform that automates the entire image and video lifecycle for websites and mobile applications.](https://millionrounds.com/company/cloudinary) Cloudinary is a cloud-based Software-as-a-Service (SaaS) platform that automates the entire image and video lifecycle for websites and mobile applications. *Founded* 2012 San Jose, United States **$100M** last round Feb 2022
- 7 [**Alkira** Alkira is a network infrastructure as-a-service company that unifies multiple clouds, sites, and users via an enterprise network.](https://millionrounds.com/company/alkira) Alkira is a network infrastructure as-a-service company that unifies multiple clouds, sites, and users via an enterprise network. *Founded* 2018 San Jose, United States **$100M** last round May 2024
- 8 [**Lightbits Labs** Lightbits Labs is a software company based in San Jose, California, founded in 2016.](https://millionrounds.com/company/lightbits-labs) Lightbits Labs is a software company based in San Jose, California, founded in 2016. *Founded* 2016 San Jose, United States **$92M** last round Jun 2022
- 9 [**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
- 10 [**Platform9** Platform9 is a California-based cloud infrastructure company founded in 2013 by former VMware engineers.](https://millionrounds.com/company/platform9) Platform9 is a California-based cloud infrastructure company founded in 2013 by former VMware engineers. *Founded* 2013 San Jose, United States **$73M** last round Jun 2022
- 11 [**Electric Cloud** Electric Cloud helps organizations deliver better software faster by automating, and accelerating build, deployment, and release processes.](https://millionrounds.com/company/electric-cloud) Electric Cloud helps organizations deliver better software faster by automating, and accelerating build, deployment, and release processes. *Founded* 2002 San Jose, United States **$57M** last round Feb 2017
- 12 [**DuploCloud** DuploCloud is an AI-powered, no-code/low-code DevOps-as-a-Service platform based in San Jose, California.](https://millionrounds.com/company/duplocloud) DuploCloud is an AI-powered, no-code/low-code DevOps-as-a-Service platform based in San Jose, California. *Founded* 2018 San Jose, United States **$32M** last round Nov 2023
- 13 [**Hosted.ai** hosted·ai is an AI infrastructure software company based in San Jose, California, founded in 2024.](https://millionrounds.com/company/hosted-ai) hosted·ai is an AI infrastructure software company based in San Jose, California, founded in 2024. *Founded* 2024 San Jose, United States **$19M** last round Mar 2026
- 14 [**Spectra7 Microsystems** Spectra7 Microsystems specializes in the fields of wireless infrastructure and data center active cables.](https://millionrounds.com/company/spectra7-microsystems) Spectra7 Microsystems specializes in the fields of wireless infrastructure and data center active cables. *Founded* 2010 San Jose, United States **$13M** last round May 2024
- 15 [**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
- 16 [**CloudByte** CloudByte provides Containerized Enterprise Storage through it's ElasiStor suite of products](https://millionrounds.com/company/cloudbyte) CloudByte provides Containerized Enterprise Storage through it's ElasiStor suite of products *Founded* 2011 San Jose, United States **$6.1M** last round Aug 2017
- 17 [**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
- 18 [**Excelero Storage** Excelero Storage is a Software-defined block storage for cloud and enterprise applications at any scale.](https://millionrounds.com/company/excelero-storage) Excelero Storage is a Software-defined block storage for cloud and enterprise applications at any scale. *Founded* 2014 San Jose, United States **$5.0M** last round Aug 2018
- 19 [**Lyrid** Lyrid is a multi-cloud infrastructure platform provider based in San Jose, California, founded in 2019.](https://millionrounds.com/company/lyrid) Lyrid is a multi-cloud infrastructure platform provider based in San Jose, California, founded in 2019. *Founded* 2019 San Jose, United States **$1.1M** last round Feb 2022
- 20 [**Sunpia** Sunpia lets developers easily experience the cost and speed benefits of serverless infrastructure, without having to rewrite their code.](https://millionrounds.com/company/sunpia) Sunpia lets developers easily experience the cost and speed benefits of serverless infrastructure, without having to rewrite their code. *Founded* - San Jose, United States **$500K** last round Aug 2022

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Companies 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?

Open any company for its rounds and investors, or search the investors who back cloud startups in San Jose in the app, with filters, lists and exports.

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## More cloud lists

[See all](https://millionrounds.com/top-lists?t=Cloud)

[*C* *CE* *AD* **Cloud startups in the United States** 590 companies · $113B](https://millionrounds.com/top-lists/cloud-startups-united-states)[*B* *C* *FT* **Cloud startups that raised in 2026** 174 companies · $142B in 2026](https://millionrounds.com/top-lists/cloud-startups-raised-2026)[*C* *C* *CS* **Cloud startups in the United States that raised in 2026** 106 companies · $62B in 2026](https://millionrounds.com/top-lists/cloud-startups-united-states-raised-2026)[*A* *C* *BT* **Cloud startups founded in 2021** 75 companies · $5.3B](https://millionrounds.com/top-lists/cloud-startups-founded-2021)[*RD* *SD* *NC* **Cloud startups founded in 2020** 67 companies · $5.3B](https://millionrounds.com/top-lists/cloud-startups-founded-2020)[*TA* *PD* *A* **Cloud startups in San Francisco** 67 companies · $5.3B](https://millionrounds.com/top-lists/cloud-startups-san-francisco)[*FT* *OC* *BF* **Cloud startups founded in 2019** 67 companies · $16B](https://millionrounds.com/top-lists/cloud-startups-founded-2019)[*C* *CE* *C* **Cloud startups founded in 2018** 64 companies · $42B](https://millionrounds.com/top-lists/cloud-startups-founded-2018)

## More lists for San Jose

[See all](https://millionrounds.com/top-lists?r=San%20Jose)

[*V* *F* *E* **Startups in San Jose** 372 companies · $17B](https://millionrounds.com/top-lists/startups-san-jose)[*E* *AL* *L* **AI startups in San Jose** 80 companies · $6.4B](https://millionrounds.com/top-lists/ai-startups-san-jose)[*M* *E* *NN* **IT Services startups in San Jose** 38 companies · $731M](https://millionrounds.com/top-lists/it-services-startups-san-jose)[*E* *AL* *L* **Semiconductors startups in San Jose** 27 companies · $5.2B](https://millionrounds.com/top-lists/semiconductors-startups-san-jose)[*E* *S* *Z* **Cybersecurity startups in San Jose** 26 companies · $1.5B](https://millionrounds.com/top-lists/cybersecurity-startups-san-jose)[*C* *Z* *LL* **Big Data & Analytics startups in San Jose** 24 companies · $1.1B](https://millionrounds.com/top-lists/big-data-startups-san-jose)[*OM* *V* *PB* **Biotech startups in San Jose** 23 companies · $1.6B](https://millionrounds.com/top-lists/biotech-startups-san-jose)[*C* *AN* *G* **Software startups in San Jose** 21 companies · $1.1B](https://millionrounds.com/top-lists/software-startups-san-jose)