Best AI Services Companies in California, United States
The 276 best AI Services companies in California, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Thinking Machines Lab.
Ranked: Best AI Services companies in California
| # | Company | Disclosed funding | Last round | Stage | Employees | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Thinking Machines Lab 🦄 Developer of customizable multimodal AI systems and open-source AI research. | $2.0B | 3 mo ago | Seed | — | Mira Murati Co-Founder & CEO | SentryApple iCloud MailGoogle Workspace+14 | — | — |
| 2 | Eridu AI Developer of data center infrastructure technology for artificial intelligence acceleration 67Funding top 18%Growth top 20%Talent top 28%Tech top 45% All 10 signals ▾Fundingtop 18% Growthtop 20% Talenttop 28% Techtop 45% AItop 45% Patentstop 46% Innovationtop 49% Moatbottom 49% Globalbottom 37% Marketbottom 34% Funding: Raised $230M across 2 rounds · 2 rounds over 1 yrs (2.0/yr) Growth: Web rank 50,000,000 → 5,000,000 YoY · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 67/100 | $230M | 3 mo ago | Series A | — | Mike Capuano Co-Founder | WordPressMySQLPHP+25 | 6 patents Patents concentrated in electrical & electronics | 1 award |
| 3 | Tredence Provider of AI consulting, supply chain, and customer analytics services | $205M | 41 mo ago | Series B | 2,317 2,317 → 4,468 (+93%) | — | SalesforceCloudflarejQuery CDN+17 | 5 patents AI-powered text attribute extraction and multi-channel feedback analytics for automated presentation generation | 1 job opening · 1 partnership |
| 4 | Flapping Airplanes Foundational AI research lab focused on developing data-efficient AI models | $180M | 5 mo ago | Seed | — | Ben Spector Co-Founder | Google WorkspaceCloudflare Browser InsightsCloudflare+1 | — | — |
| 5 | Kovio Printed silicon chips | $125M | 161 mo ago | Acquired | 20 | — | — | 209 patents Printed thin‑film silicon electronics for flexible RFID, sensors, and wireless devices | — |
| 6 | AttoTude Developer of terahertz networking technology for data centers | $90M | 14 mo ago | Series B | — | Joy Laskar Co-Founder & CTO | WebflowVimeoGSAP+12 | 18 patents Patents concentrated in electrical & electronics | — |
| 7 | Mechanical Orchard Generative AI platform offering to modernize legacy application | $74M | 23 mo ago | Series B | 43 | Matthew Work Co-Founder & COO | WebflowGSAPSplide+26 | — | 1 launch |
| 8 | ZEALS AI based conversational commerce platform | $63M | 49 mo ago | Series E | — | Masa Shimizu Founder & CEO | WordPressMySQLPHP+32 | — | — |
| 9 | MainFunc Provider of AI development services | $60M | 24 mo ago | Seed | — | Kay Zhu Cofounder & CTO | TypeScriptNode.jsNaive UI+9 | 2 patents AI-driven information retrieval and automated webpage generation using generative models | 1 launch |
| 10 | Strala Provider of AI-assisted claims handling and third-party administrator (TPA) solutions 67Funding top 30%AI top 30%Talent top 38%Global bottom 48% All 5 signals ▾Fundingtop 30% AItop 30% Talenttop 38% Globalbottom 48% Techbottom 40% Funding: Raised $55.3M across 2 rounds · 2 rounds over 1 yrs (2.0/yr) AI: Classified as an AI company · Product described with: artificial intelligence rank vs industry peers · Fliar Intelligence Index 67/100 | $55M | 2 mo ago | Series B | — | Armando Schmid Co-Founder & CTO | Framer SitesApple iCloud MailGoogle Workspace+7 | — | — |
| 11 | WaveForms Developer of audio language models for real-time voice conversation | $40M | 18 mo ago | Acquired | — | Alexis Conneau Co-Founder & CEO | — | — | — |
| 12 | Tempus Ex Provider of AI & data analytics focused event management services | $37M | 57 mo ago | Series B | 100 | Charlie Ebersol Co-Founder & CEO | — | 594 patents AI-powered analysis of medical imaging and genomic data for diagnostics and treatment prediction | — |
| 13 | Aira Technologies Limited information available | $31M | 3 mo ago | Series B | 10 | RaviKiran Gopalan Co-Founder & CTO | BreakdanceWordPressMySQL+16 | 302 patents Multi-coil wireless power transfer systems with advanced foreign-object detection | 1 job opening · 1 award |
| 14 | Harmonic Developer of data security platform designed for artificial intelligence adoption | $26M | 21 mo ago | Series A | — | Bryan Oneil Co-Founder & CTO | WebflowApple iCloud MailGoogle Workspace+26 | 350 patents Patents concentrated in electrical & electronics | — |
| 15 | Collov Labs Provider of AI model development services | $23M | 1 mo ago | Series A | — | Nicole Wang Co-Founder | — | — | — |
| 16 | Sapient Digital transformation consulting partner that leverages artificial intelligence to help established… | $22M | 18 mo ago | Seed | — | Austin Zheng Co-Founder | WordPressMySQLPHP+9 | 16 patents Location-based advertising platforms and regional electrical intelligence for smart grid analytics | 1 launch |
| 17 | Skai Provider of an omnichannel platform for commerce media that centralizes data and optimizes marketing… | $20M | 146 mo ago | Series B | 637 | Nir Cohen Co-Founder & CTO | WordPress Block EditorWordPressApple iCloud Mail+27 | 17 patents Access control, identity management, and distributed graph database orchestration platforms | 1 partnership · 1 award |
| 18 | Sunshine App-based platform offering phone contact management solutions | $20M | 77 mo ago | Series B | 22 | — | WordPressMySQLPHP+14 | — | — |
| 19 | Perle Provider of expert human-powered AI training data management solutions | $16M | 10 mo ago | Seed | — | Ahmed Rashad Founder & CEO | Node.jsTailwind CSSReact+12 | — | — |
| 20 | Gallatin Provider of AI-powered logistics solutions for the defense industry | $15M | 14 mo ago | Seed | — | Brandon Glier Co-Founder & CEO | Webflowcore-jsjQuery+11 | — | — |
| 21 | Pathmind Provider of project based AI consulting and IoT services | $15M | 90 mo ago | Deadpooled | 11 | Chris Nicholson Founder & CEO | Facebook LoginVarnishBootstrap+18 | — | — |
| 22 | Salt AI Developer of an AI engine for accelerating life sciences advancements | $13M | 8 mo ago | Series A | — | Aber Whitcomb Co-Founder & CEO | — | — | — |
| 23 | OmniML Provider of AI-enabled advanced computer vision for real-time situational awareness | $10M | 50 mo ago | Acquired | 4 | Sang-hoon Shin Co-Founder | — | — | — |
| 24 | Altera Provider of AI research services | $9M | 26 mo ago | Unfunded | — | Nico Christie Co-Founder | Google Sign-inTailwind CSSReact+9 | 5,602 patents Programmable logic, FPGA-based hardware acceleration, memory interfaces, clock management, RF sensing | — |
| 25 | Perfect Price Provider of AI-enabled pricing solutions | $8M | 92 mo ago | Deadpooled | 16 | Youngin Shin Co-Founder & CTO | — | — | — |
| 26 | Pluralis Developer of protocol learning enabling collaborative model training across multiple participants | $8M | 14 mo ago | Seed | — | Alexander Long Founder | SubstackSentryNode.js+12 | — | — |
| 27 | Bespoke Labs Developer of data curation tools for artificial intelligence model development | $7M | 24 mo ago | Series A | — | Mahesh Sathiamoorthy Co-Founder | WebflowGSAPPostHog+11 | 48 patents Custom eyewear design and fitting using 3D facial scans and optical measurements | — |
| 28 | Heyday Provider of machine learning and natural language processing services | $6M | 47 mo ago | Seed | 5 | Sam DeBrule Co-Founder | BootstrapAmazon ALBAmazon Web Services+4 | — | — |
| 29 | Tungsten Automation Provider of intelligent automation solutions for digital workflow transformation | $5M | 45 mo ago | Acquired | — | Reynolds Bish CEO | SitecoreMicrosoft ASP.NETAzure Front Door+16 | 15 patents AI-powered document and image processing for robotic process automation and data extraction | — |
| 30 | AV Lab Artificial intelligence consultancy & development services provider | $4M | 67 mo ago | Series A | — | Navid Alipour Co-Founder | — | 179 patents Camera‑based multi‑device tracking, label‑enabled wireless charging, and autonomous resource sharing | — |
| 31 | Dynam.AI Provider of AI services using proprietary AI algorithms and streamlined platforms | $4M | 46 mo ago | Deadpooled | 11 | — | — | — | — |
| 32 | Inferlink Provider of AI, web harvesting, machine learning and data analytics services | $3M | 46 mo ago | Funding Raised | 6 | Steven Minton Founder & President | — | 2 patents Advanced NLP information extraction and semantic parsing for inferential text analysis | — |
| 33 | Invisible Provider of artificial intelligence systems and process automation for enterprises | $3M | 9 mo ago | Acquired | 1,261 | Francisa Pedraza Co-Founder | WebflowAmazon Web ServicesKnockout.js+22 | 34 patents Patents concentrated in computing, sensing & instrumentation | 1 partnership · 1 award |
| 34 | Avata Intelligence Provider of construction management software connecting stakeholders throughout the project lifecycle | $2M | 120 mo ago | Seed | 25 | — | — | — | — |
| 35 | R2.ai Provider of AI & IoT application development services | $2M | 104 mo ago | Seed | 7 | Yiwen Huang Founder & CEO | — | — | — |
| 36 | Exadel Provider of software development and consulting services | $2M | 144 mo ago | Acquired | 1,595 | Ulrich Otto CEO | WordPressMySQLPHP+26 | — | 3 launchs |
| 37 | Algotive Provider of diversified AI services | $2M | 32 mo ago | Seed | 31 | — | HubSpot CMS HubHubSpotGlide.js+15 | — | — |
| 38 | Hoverstate Provider of application development services | $2M | 74 mo ago | Acquired | 113 | — | — | — | — |
| 39 | Atrium Provider of IT analytics and AI consulting services | $800K | 100 mo ago | Seed | 124 | Geoff Birnes SVP Customer Success | WordPress Block EditorWordPressSentry+29 | — | 1 launch |
| 40 | forml Provider of machine learning services | $546K | 2 mo ago | Series A | — | Shaine Hirsh Co-Founder | — | — | — |
| 41 | Asimov Provider of human activity data for training robotics in real environments | $500K | 5 mo ago | Seed | — | Anshul Verma Co-Founder | Node.jsThree.jsRadix UI+9 | 70 patents Optimized production platforms for viral gene‑therapy vectors (AAV, lentivirus) | — |
| 42 | Burt Provider of custom model building and deployment for various applications | $500K | 5 mo ago | Seed | — | Kurt Sharma Co-Founder & CTO | — | — | — |
| 43 | Lumona Lumona is transforming search by building an internet of AI experts | $500K | 24 mo ago | Seed | — | Qiong Huang Co-Founder | SentryNode.jsTailwind CSS+15 | — | — |
| 44 | Opslane Developer of local-first software for parallel coding agent session management | $500K | 24 mo ago | Seed | — | Abhishek Ray Founder | TurbopackNode.jsTailwind CSS+11 | — | — |
| 45 | Neuronix AI Provider of AI based computer vision | $300K | 60 mo ago | Acquired | 7 | — | — | 10 patents Optimizing neural network accelerator hardware for speed, efficiency, and sparsity handling. | — |
| 46 | BluelightAI Data science and artificial intelligence company that provides tools for debugging and repairing problems… | $286K | 58 mo ago | Funding Raised | — | Gunnar Carlsson Founder | Cart FunctionalitySquarespace CommerceSquarespace+12 | — | — |
| 47 | Sidekick Provider of AI chatbot development services | $125K | 36 mo ago | Seed | 4 | Jason Fan Co-Founder | — | 15 patents Online automotive sales platform enabling manufacturer‑direct vehicle transaction processing. | — |
| 48 | Kidooo Developer of an AI agent for personalized autism care solutions | $116K | 7 mo ago | Seed | — | Bing Yuan Co-Founder & Chief Technology Officer | — | — | — |
| 49 | Resua Providers of AI and machine learning development services | $108K | 45 mo ago | Funding Raised | 8 | — | — | — | — |
Top 12 AI Services companies in California
#1
Seed · San Francisco, California · founded 2024$2Braised▾
Developer of customizable multimodal AI systems and open-source AI research. The company builds artificial intelligence systems with an emphasis on human-AI collaboration and model intelligence. It develops models at the frontier of capabilities in domains like science and programming. The company focuses on making AI systems more widely understood and customizable. It publishes technical blog posts, papers, and code to collaborate with the wider community of researchers and builders.
- Mar 2026Seed—
- Jun 2025Seed$2B
- May 2025Grant (prize money)$10M
#2
Series A · Saratoga, California · founded 2023$230Mraised▾
Developer of data center infrastructure technology for artificial intelligence acceleration. The company focuses on overcoming infrastructure barriers that limit compute performance. It aims to deliver new levels of intelligence with reduced power consumption and cost. The company innovates at artificial intelligence scale.
- Mar 2026Series A$200M
- Seed$30M
#3
Seed · San Francisco, California · founded 2025$180Mraised▾
Foundational AI research lab focused on developing data-efficient AI models. Flapping Airplanes is a foundational AI research lab focused on solving the data efficiency problem in artificial intelligence. The company is exploring radically different methods of training AI models.
- Jan 2026Seed$180M
#4
Series B · San Francisco, California · founded 2024$55.3Mraised▾
Provider of AI-assisted claims handling and third-party administrator (TPA) solutions. The company offers a platform that automates claims processing using artificial intelligence. It provides tools for claims routing, fraud detection, and real-time analytics. The platform integrates with existing systems to streamline workflows and optimize decision-making. It also offers multi-channel communication capabilities for customer interactions and vendor follow-ups.
- Mar 2026Series B$51.3M
- Mar 2025Series A$4M
#5
Series A · Redwood City, California · founded 2021$23Mraised▾
Provider of AI model development services
- Apr 2026Series A$23M
#6
Series B · Saratoga, California · founded 2019 · 10 employees$31.1Mraised▾
Limited information available
- Mar 2026Series B—
- Oct 2024Series B$18.1M
- Sep 2021Series B$13M
#7
Series B · Menlo Park, California · founded 2024$90.3Mraised▾
Developer of terahertz networking technology for data centers. This technology addresses the interconnect limitations hindering artificial intelligence growth. It provides a wired solution overcoming speed, distance, power, reliability, and cost challenges of current networking technologies. The solution enables high-speed parallel processing and supercomputing applications by significantly improving data communication speeds. This approach allows data centers to fully support the demands of high-performance computing.
- Apr 2025Series B$50M
- Sep 2024Series A$29M
- Mar 2024Seed$11.3M
#8
Series A · Los Angeles, California · founded 2023$13Mraised▾
Developer of an AI engine for accelerating life sciences advancements. The company enables life sciences organizations to adopt and harness AI. It provides reliable and reproducible AI workflows engineered to accommodate advancements in computational techniques for drug discovery. The platform optimizes each onboarded model for speed, enabling faster time to output at reduced compute costs. The company supports life sciences research models in its updated model library, including models for protein folding, diffusion, docking, and protein sequence design. The platform's visual transparency and node structure invites collaborative interaction beyond those who code, allowing biochemists, clinical development teams, executives, and other stakeholders to engage real-time to shape workflows and iterate solutions.
- Sep 2025Series A$10M
- Dec 2024Seed$3M
#9
Seed · San Francisco, California · founded 2024$16Mraised▾
Provider of expert human-powered AI training data management solutions. It offers modular solutions for data annotation, enrichment, cleaning, and adversarial robustness assessment. The company utilizes a global network of vetted domain experts to ensure high-quality data for AI model development. Its platform manages complexities such as data labeling, discovery, compliance, versioning, bias auditing, and drift detection, allowing clients to focus on innovation. The solutions are designed to scale and adapt to evolving AI needs and technological advancements.
- Aug 2025Seed$9M
- Oct 2024Seed$7M
#10
Series A · San Francisco, California · founded 2023$546.4Kraised▾
Provider of machine learning services
- Apr 2026Series A$3M
- May 2024Seed$546.4K
#11
Acquired · San Francisco, California · founded 2024$40Mraised▾
Developer of audio language models for real-time voice conversation. The company builds audio intelligence through advanced research and products. It focuses on transforming human-AI interactions, making them natural, engaging, and immersive. The company aims to solve the Speech Turing Test and advance AI toward immersive experiences. It creates a new dimension of AI intelligence by enriching AI with a social-emotional layer.
- Dec 2024Seed$40M
#12
Acquired · San Francisco, California · founded 2015 · 1261 employees$2.6Mraised▾
Provider of artificial intelligence systems and process automation for enterprises. The company builds systems designed for complex situations, offering building blocks for integration with existing workflows. It provides a data platform, process builder, and agentic engine. The company also offers a marketplace connecting clients with human experts for model training and evaluation.
- Sep 2025Series B$100M
- Jul 2019Series A$5.3M
- Oct 2018Seed$2.6M
- Jul 2016Grant (prize money)$225K
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of AI Services coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.