Best PaaS Companies in California, United States
The 295 best PaaS companies in California, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Pivotal Software.
Ranked: Best PaaS companies in California
| # | Company | Disclosed funding | Last round | Employees | Founded | Tech stack | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Pivotal Software 🦄 Enterprise platform as a service | $1.7B | 121 mo ago | 9,433 | 2013 | — | — | — | — |
| 2 | Vercel 🦄 Provider of cloud infrastructure and developer tools for web applications 94Funding top 13%Market top 20%AI top 20%Growth top 25% All 10 signals ▾Fundingtop 13% Markettop 20% AItop 20% Growthtop 25% Moattop 26% Newstop 27% Producttop 27% Techtop 28% Globaltop 42% Talenttop 50% Funding: Raised $563M across 6 rounds · 6 rounds over 6 yrs (1.0/yr) Market: 455 employees (top 8% of Enterprise Infrastructure) · Top-5,000 web property rank vs industry peers · Fliar Intelligence Index 94/100 | $563M | 8 mo ago | 455 | 2015 | TurbopackSentryApple iCloud Mail+27 | Top 5k | — | 4 launchs · 1 partnership |
| 3 | Workato 🦄 AI powered automation and iPaaS solutions for enterprises | $421M | 55 mo ago | 325 | 2013 | Cart FunctionalityContentfulSentry+31 | Top 500k | 15 patents AI-driven workflow automation platform with intelligent UI and bot integration | 1 launch · 1 partnership |
| 4 | SnapLogic 🦄 AI based platform offering ipaas solution | $381M | 54 mo ago | 41 | 2006 | WordPress Site EditorWordPressSentry+40 | Top 5M | — | 2 launchs · 1 award |
| 5 | DataStax 🦄 Provider of data management and AI application development infrastructure solutions | $305M | 45 mo ago | 422 422 → 300 (-29%) · sector median +61% | 2010 | SanitySentryApple iCloud Mail+43 | Top 500k | 39 patents Distributed database streaming, cloud deployment configuration, and trie-based indexing for NoSQL systems | — |
| 6 | MuleSoft 🦄 Cloud based API management platform | $259M | 120 mo ago | 663 663 → 1,120 (+69%) · sector median +61% | 2006 | WordPressMySQLMariaDB+34 | Top 500k | 30 patents Automated API integration, data mapping, and schema transformation for enterprise software connectivity. | 3 launchs |
| 7 | Couchbase AI powered dbaas for enterprises | $251M | 72 mo ago | 359 359 → 864 (+141%) · sector median +61% | 2009 | DrupalApple iCloud MailPHP+27 | Top 500k | 47 patents Patents concentrated in computing, sensing & instrumentation | 1 job opening · 1 launch |
| 8 | Kong 🦄 Cloud based API management and microservices connectivity platform 84Tech top 18%Patents top 20%Funding top 21%Moat top 22% All 11 signals ▾Techtop 18% Patentstop 20% Fundingtop 21% Moattop 22% Innovationtop 30% Markettop 33% Globaltop 37% Growthtop 38% Talenttop 38% Producttop 41% Newsbottom 21% Tech: 76 technologies across 6/8 capability areas · Cloud: Amazon Cloudfront, Amazon S3 Patents: 188 patents matched (strict assignee match) · 44 filings since 2022 vs 44 in 2017-21 rank vs industry peers · Fliar Intelligence Index 84/100 | $249M | 18 mo ago | 128 | 2009 | SentryApple iCloud MailGoogle Workspace+35 | Top 1M | 188 patents AI-driven API gateway and microservices orchestration for intelligent query routing and documentation | — |
| 9 | Reltio 🦄 Cloud based platform for master data management | $237M | 55 mo ago | 500 | 2011 | WordPressSentryAtlassian Statuspage+36 | Top 5M | 26 patents Enterprise master data management and metadata-driven entity resolution across cloud platforms | — |
| 10 | MariaDB Provider of dbaas platform for enterprises | $237M | 52 mo ago | 63 | 2010 | WordPress Block EditorWordPressMySQL+32 | Top 500k | — | 1 launch |
| 11 | Mirantis Provider of infrastructure for artificial intelligence, cloud, and application deployment | $220M | 32 mo ago | 239 | 2011 | Cart FunctionalityWooCommerceWordPress+25 | Top 1M | — | 1 launch |
| 12 | Netlify 🦄 Provider of a platform for web application development and deployment | $212M | 55 mo ago | 295 | 2013 | HighchartsGoogle Sign-inTailwind CSS+24 | Top 50k | — | — |
| 13 | Alteryx Cloud based suite of data analytics solutions | $163M | 44 mo ago | 1,439 1,439 → 2,311 (+61%) · sector median +61% | 1997 | WordPressOptimizely Content ManagementSentry+40 | Top 500k | 158 patents Patents concentrated in computing, sensing & instrumentation | — |
| 14 | Tray Provider of AI-powered automation platform | $150M | 44 mo ago | — | 2012 | Cart FunctionalityContentfulNode.js+34 | Top 5M | — | — |
| 15 | Tray.io Provider of cloud-based API integration solutions | $150M | 44 mo ago | 99 | 2012 | — | — | — | — |
| 16 | PubNub Provider of infrastructure and APIs for real-time interactive application development | $135M | 55 mo ago | 55 55 → 123 (+124%) · sector median +61% | 2010 | Builder.ioSentryAtlassian Statuspage+31 | Top 5M | 12 patents Real-time pub/sub messaging platform with latency detection, client auth, and multi-region replication. | — |
| 17 | WSO2 Provider of open-source platform for API management, integration, and identity | $130M | 48 mo ago | 10 | 2005 | DrupalApple iCloud MailGoogle Workspace+18 | Top 500k | — | — |
| 18 | Cortex Developer of an internal developer portal using AI technology | $112M | 21 mo ago | 44 | 2019 | StoryblokApple iCloud MailGoogle Workspace+22 | Top 5M | 23 patents Cardiac electrophysiology mapping and impedance‑based pulsed‑field ablation catheter navigation | 1 launch |
| 19 | Lightbend Cloud-based application development platform provider | $107M | 33 mo ago | 71 | 2011 | — | — | 22 patents Context-aware rule-based anomaly detection and automated network topology/configuration for distributed systems | — |
| 20 | Rockset Serverless search and analytics solution for data-driven apps | $106M | 33 mo ago | 76 | 2016 | — | — | 6 patents Real-time streaming query execution and continuous delivery of parameterized database queries | — |
| 21 | PlanetScale Provider of the NewSQL-based database-as-a-service platform | $105M | 55 mo ago | 73 73 → 97 (+33%) · sector median +61% | 2018 | SentryZendeskApple iCloud Mail+16 | Top 1M | 11 patents Database schema branching and versioned schema management for distributed SQL databases | 2 launchs |
| 22 | Talend Sa Provider of data integration, data quality, analytics, and AI solutions | $102M | 81 mo ago | 457 | 2005 | SentryAtlassian StatuspageApple iCloud Mail+27 | Top 1M | 14 patents Patents concentrated in computing, sensing & instrumentation | — |
| 23 | Abacus.AI Provides AI based data models creation for data science | $90M | 55 mo ago | 49 | 2019 | SentryApple iCloud MailGoogle Workspace+25 | Top 100k | 2 patents Organic waste collection and recycling container systems | 1 launch |
| 24 | Robin Systems Platform offering container storage software | $86M | 60 mo ago | 39 | 2013 | Amazon Web ServicesGoogle Font APIFont Awesome+3 | Top 50M | — | — |
| 25 | Lightning Labs Blockchain-based sidechain network | $82M | 50 mo ago | 30 | 2016 | Google CloudReactGatsby+14 | Top 5M | 19 patents Detecting malicious online ad behavior, data leakage, and consent violations in digital advertising. | — |
| 26 | Celigo Provider of intelligent automation platform for business process integration and optimization | $80M | 54 mo ago | 230 | 2011 | Cart FunctionalityWordPressApple iCloud Mail+49 | Top 5M | — | 3 launchs · 1 partnership |
| 27 | StarTree Cloud based Dbaas and decision support software | $75M | 27 mo ago | 124 | 2019 | WordPressApple iCloud MailGoogle Workspace+24 | Top 5M | 2 patents Matrix-profile based anomaly detection for time‑series data | — |
| 28 | Bitmovin Cloud-based unstructured video analytics solutions provider | $69M | 41 mo ago | 25 | 2012 | WordPress Block EditorWordPressMySQL+33 | Top 1M | 43 patents Patents concentrated in electrical & electronics | 1 launch |
| 29 | Tessell Provider of multi-cloud database-as-a-service platform for database management solutions | $60M | 14 mo ago | 86 | 2021 | WebflowYouTubePlyr+29 | Top 1M | 5 patents Data flow monitoring UI and reliable ephemeral storage snapshotting for loss prevention | — |
| 30 | Prisma Backend platform based on GraphQL to build scalable applications | $56M | 49 mo ago | 6 | 2016 | SanityNode.jsReact+24 | Top 500k | — | 3 launchs |
| 31 | Vantiq Provider of cloud based end to end IoT platforms | $56M | 66 mo ago | 56 | 2014 | WordPressApple iCloud MailMicrosoft 365+27 | Top 10M | 16 patents Distributed event-driven middleware for real-time processing and rule-based routing in edge/IoT systems | — |
| 32 | Vendia Serverless application development platform | $51M | 48 mo ago | 24 | 2020 | WordPressApple iCloud MailGoogle Workspace+34 | Top 1M | 6 patents Cloud-native, secure, scalable blockchain infrastructure for distributed ledger services | — |
| 33 | SignalWire Provider of programmable unified communications platform delivering voice, video, messaging, and AI | $42M | 53 mo ago | 42 42 → 84 (+100%) · sector median +61% | 2017 | Craft CMSHubSpot CMS HubPHP+31 | Top 5M | — | 2 launchs |
| 34 | Thunkable Provider of a no-code platform for mobile and web application development | $41M | 51 mo ago | 33 33 → 42 (+27%) · sector median +61% | 2015 | TypeScriptGraphQLFirebase+26 | Top 500k | — | — |
| 35 | Eventual Developer of a multimodal data processing engine for AI applications | $30M | 11 mo ago | — | 2022 | — | — | — | — |
| 36 | Orkes AI powered code collaboration platform 55Funding top 26%News top 28%Growth top 35%Talent top 38% All 9 signals ▾Fundingtop 26% Newstop 28% Growthtop 35% Talenttop 38% Moattop 39% Techtop 42% AItop 45% Globalbottom 37% Marketbottom 28% Funding: Raised $29.3M across 3 rounds · 3 rounds over 4 yrs (0.8/yr) News: 4 BI events in 12 mo (of 7 tracked, 2 types) · Top themes: Funding, Capital raise rank vs industry peers · Fliar Intelligence Index 55/100 | $29M | 1 mo ago | 12 | 2021 | WebflowStripeAmazon Web Services+28 | Top 5M | — | — |
| 37 | Loft Cloud and AI based self service cluster management solutions | $29M | 28 mo ago | 29 | 2017 | WebflowAmazon Web ServicesSalesloft+19 | Top 5M | 27 patents Patents concentrated in health & consumer products | — |
| 38 | Exafunction Provider of a low code deep learning application development platform | $28M | 49 mo ago | 12 | 2021 | — | — | — | — |
| 39 | Expeto Cloud based platform offering NFV enabled EPC network | $26M | 42 mo ago | 38 | 2015 | WordPressMySQLPHP+28 | Top 50M | — | — |
| 40 | DeltaStream Provider of a platform offering database management solutions | $25M | 21 mo ago | 16 | 2020 | WordPressMySQLPHP+38 | Top 10M | — | 1 launch |
| 41 | Highway 9 Provider of a cloud native platform for enterprise mobile users and AI | $25M | 27 mo ago | — | 2017 | WordPressMySQLPHP+32 | Top 50M | — | — |
| 42 | Ganymede Platform offering baas integrated application development software | $16M | 41 mo ago | 34 | 2021 | — | — | — | — |
| 43 | Xano Platform offering cloud application backend development platform | $15M | 32 mo ago | 22 | 2014 | TypeScriptAmazon Web ServicesZone.js+23 | Top 1M | 11 patents Collaborative low-code UI tools for API endpoint configuration and transformation debugging | 3 launchs |
| 44 | Inngest Cloud based solutions for the development of serverless event driven systems | $14M | 12 mo ago | 2 | 2021 | SentryNode.jsMonaco Editor+21 | Top 1M | — | 1 launch |
| 45 | Massdriver Provider of infrastructure-as-code platform packaging compliance rules and operational workflows | $12M | 33 mo ago | 11 11 → 6 (-45%) · sector median +61% | 2021 | WebflowNode.jsReact+25 | Top 50M | — | 2 launchs |
| 46 | Upstash Cloud based database management solution provider | $12M | 28 mo ago | 10 | 2015 | Node.jsMonaco EditorClerk+18 | Top 500k | — | 1 launch |
| 47 | Nile Database as a service platform | $12M | 28 mo ago | 8 | 2021 | SentryNode.jsMonaco Editor+13 | Top 10M | 89 patents Advanced wireless network management: channel allocation, client ID, segmentation, and authentication. | — |
| 48 | Refold AI Provider of AI agents for enterprise-grade software integrations and automation | $6M | 11 mo ago | — | 2023 | Apple iCloud MailGoogle WorkspaceNode.js+23 | Top 10M | — | — |
| 49 | Camber Provider of an AI platform for scientific simulations and data analysis | $6M | 14 mo ago | — | 2024 | WebflowAmazon Web ServicesGSAP+16 | Top 10M | 2 patents Cybersecurity attack simulation and computer graphics rendering technologies | — |
| 50 | Qwacks Provider of backend infrastructure, playtesting, and market intelligence tools | $480K | 6 mo ago | — | 2025 | — | — | — | 4 partnerships |
Top 12 PaaS companies in California
#1
Vercel 🦄Series F · Covina, California · founded 2015 · 455 employees$563Mraised▾
Provider of cloud infrastructure and developer tools for web applications. It offers continuous integration and delivery, content delivery, and serverless computing capabilities. The platform provides features such as bot management, security, and monitoring. It supports development with frameworks and tools, enabling application deployment and scaling.
- Sep 2025Series F$300M
- May 2024Series E$250M
- Nov 2021Series D$150M
- Jun 2021Series C$102M
#2
Series B · Cupertino, California · founded 2021 · 12 employees$29.3Mraised▾
AI powered code collaboration platform. It orchestrates the development process by enabling users to collaborate on code, and develop microservices. It allows users to build distributed systems, and applications in real time. The platform supports SDKs in different language such as Java, python, typescript, and more.
- Apr 2026Series B$60M
- Feb 2024Series A$20M
- Mar 2022Seed$9.3M
#3
Kong 🦄Series E · San Francisco, California · founded 2009 · 128 employees$249.3Mraised▾
Cloud based API management and microservices connectivity platform. It operates through RESTful API and is built on NGINX. It inspects and monitors APIs and microservice traffic. It provides ready to deploy plugins and adds functionality to APIs and applications. It also offers the flexibility to run on the cloud of the users choice such as AWS, Azure, Google Cloud. It has clients such as Cisco, GSK, Paypal, etc.
- Nov 2024Series E—
- Aug 2024Series D$80M
- Dec 2020Series D$100M
- Dec 2018Series C$43M
#4
Series A · San Francisco, California · founded 2022$30Mraised▾
Developer of a multimodal data processing engine for AI applications. The engine processes images, video, audio, and text using declarative queries. This allows engineers to process large datasets and build AI systems. The engine aims to simplify data processing for application development.
- Jun 2025Series A$20M
- 2025Seed$10M
#5
Series B · San Ramon, California · founded 2021 · 86 employees$60Mraised▾
Provider of multi-cloud database-as-a-service platform for database management solutions. The platform unifies transactional and analytical database management into a single intelligent control plane. It automates operations, reduces costs, and boosts performance. The platform supports open-source engines and deep integration across major clouds. It empowers enterprises to modernize data infrastructure at scale, without complexity or lock-in.
- Apr 2025Series B$60M
#6
Series C · San Francisco, California · founded 2019 · 44 employees$112.2Mraised▾
Developer of an internal developer portal using AI technology. The portal helps engineering teams deliver reliable, secure, and efficient software. It uses AI to analyze engineering data and identify solutions. The portal offers features such as data aggregation, insight gathering, standards setting, and action driving.
- Sep 2024Series C$60M
- May 2023Series B$35M
- Nov 2021Series A$15M
- May 2021Seed$2.2M
#7
Series B · San Francisco, California · founded 2021 · 2 employees$13.5Mraised▾
Cloud based solutions for the development of serverless event driven systems. The platform lets developers and operators automate end to end processes of product development, deployment, and releases using no code infrastructure. It enables tracking events and webhooks, audits trails, control versions, debugging, logging, etc. It works on a subscription plan.
- May 2025Series B$20.5M
- Dec 2023Series A$6.1M
- Jul 2023Seed$3M
- Jan 2023Seed$4.4M
#8
Seed · San Mateo, California · founded 2023$6.5Mraised▾
Provider of AI agents for enterprise-grade software integrations and automation. The agents handle custom logic, legacy systems, and unpredictable APIs. This allows teams to focus on product development. The platform offers memory graphs, real-time adaptation, and auto-fixing workflows. It supports workflow creation, data mapping, test case writing, and integration infrastructure. The agents can be deployed in managed cloud, self-hosted cloud, or customer environments.
- Jun 2025Seed$6.5M
#9
Series A · San Mateo, California · founded 2020 · 16 employees$25Mraised▾
Provider of a platform offering database management solutions. It offers a serverless database to manage, secure and process real time streaming applications and pipelines with SQL. It also assists users in organizing and securing data streams in the same way as relational databases.
- Sep 2024Series A$15M
- Jul 2022Seed$10M
#10
Acquired · Campbell, California · founded 2011 · 239 employees$220.3Mraised▾
Provider of infrastructure for artificial intelligence, cloud, and application deployment. The offerings include Kubernetes management, container runtime, and secure registry solutions. The company delivers infrastructure technology automating the artificial intelligence lifecycle. It provides tools to manage and scale clusters across data centers, clouds, hybrid, and edge environments. The company offers support, services, and resources, including knowledge bases, case studies, and webinars.
- Oct 2023Venture Debt$35M
- Jun 2019Grant (prize money)$1.6M
- Jun 2017Grant (prize money)$656K
- Aug 2016Series C$293.2K
#11
Seed · San Francisco, California · founded 2024$5.5Mraised▾
Provider of an AI platform for scientific simulations and data analysis. The platform facilitates running simulations, analyzing datasets, and training AI models. It offers flexible compute engines that operate on the cloud. The platform simplifies dataset sharing and management across teams, enabling real-time collaboration. It is customizable to specific code packages or preconfigured scientific libraries.
- Mar 2025Seed$4M
- 2024Seed$1.5M
#12
Seed · San Francisco, California · founded 2025$480Kraised▾
Provider of backend infrastructure, playtesting, and market intelligence tools. The company offers infrastructure for game developers, including authentication, data storage, and leaderboards. It provides a platform to gather player feedback through surveys, heatmaps, and session replays. The company also delivers market analysis with predictive insights and competitive data.
- Dec 2025Seed$480K
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of PaaS coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.