Best Business Services Companies in California, United States
The 8079 best Business Services companies in California, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Vantage Data Centers.
Ranked: Best Business Services companies in California
| # | Company | Disclosed funding | Last round | Stage | Employees | Founder | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Vantage Data Centers Provider of data centre design and management services | $16.3B | 27 mo ago | Acquired | 197 | Sureel Choksi CEO & President | — | — |
| 2 | 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 | — | — |
| 3 | Bridgepointe Technologies Provider of data center, cybersecurity, and managed IT services | $875M | 1 mo ago | Acquired | 14 | — | — | — |
| 4 | Westfield Premier shopping destinations offering fashion, food, leisure, and entertainment | $728M | 26 mo ago | Acquired | 659 | Josh Barnett Co-Founder | 12 patents Patents concentrated in computing, sensing & instrumentation | — |
| 5 | Semi Manufacturer of electronic components and supply chain services | $630M | 26 mo ago | Series D | 639 | Ajit Manocha President & CEO | 96 patents High-performance memory and interconnect architectures for semiconductor chips | — |
| 6 | Impetus Provider of data, cloud, and AI solutions and related engineering | $350M | 17 mo ago | Late Stage | 227 | Praveen Kankariya Co-Founder | 2 patents Animal nutrition biotech for ruminant fiber digestion and real‑time data streaming analytics platform | 1 job opening · 1 launch · 1 partnership |
| 7 | Infinite Reality 🦄 Provider of AR and VR services for games | $350M | 23 mo ago | Series D | — | John Acunto Co-Founder & CEO | 7 patents Patents concentrated in electrical & electronics | — |
| 8 | HTEC Provider of business strategy, technology, and other consulting services | $263M | 11 mo ago | Late Stage | — | Dusan Kosic Co-founder & President | — | — |
| 9 | Koch and Koch Developer of residential, commercial, and public projects | $236M | 3 mo ago | Series D | — | Charles Koch Co-CEO | — | — |
| 10 | 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 | 6 patents Patents concentrated in electrical & electronics | 1 award |
| 11 | Flapping Airplanes Foundational AI research lab focused on developing data-efficient AI models | $180M | 5 mo ago | Seed | — | Ben Spector Co-Founder | — | — |
| 12 | PFD Management Provider of medical receivable financing and servicing solutions | $153M | 18 mo ago | Series B | — | Cynthia Moronez Co-Founder | — | — |
| 13 | Auradine Provider of software development, cloud, security, and other services | $151M | 14 mo ago | Series C | 50 50 → 47 (-6%) | Barun K Co-Founder & COO | 62 patents Patents concentrated in electrical & electronics | 1 launch |
| 14 | The Bot Company 🦄 Robotics and artificial intelligence startup that develops and commercializes robots and chatbots to assist… | $151M | 14 mo ago | Series D | — | Kyle Vogt Co-Founder & CEO | — | — |
| 15 | Enfabrica Provider of software development, computer networking, and other IT services | $148M | 18 mo ago | Series C | 86 | Rochan Sankar Co-Founder & CEO | 72 patents High-performance data center networking: RDMA, multipathing, congestion control, and broadcast optimization. | — |
| 16 | Liquid Instruments Reconfigurable test and measurement instruments for advanced research and development | $135M | 1 mo ago | Series C | 74 | Daniel Shaddock Co-Founder & CEO | — | 1 partnership |
| 17 | TTH Networks Provider of business strategy, operations, real estate, and other consulting services | $110M | 11 mo ago | Series D | 4 | Will Robinson CEO | — | — |
| 18 | Steno Provider of court reporting and litigation services | $103M | 2 mo ago | Series C | 196 | Greg Hong Co-Founder & CEO | — | 2 awards |
| 19 | Marin City MCHWC provides women's health care, medical care, dental care, and behavioral healthcare services. | $96M | 11 mo ago | Funding Raised | 44 | — | — | — |
| 20 | AttoTude Developer of terahertz networking technology for data centers | $90M | 14 mo ago | Series B | — | Joy Laskar Co-Founder & CTO | 18 patents Patents concentrated in electrical & electronics | — |
| 21 | Prophet Brand and marketing consulting solutions provider | $88M | 13 mo ago | Acquired | 777 | Michael Dunn Chairman & CEO | 72 patents Personalized content generation and wearable fitness/athletic equipment solutions | 1 partnership |
| 22 | Pangaea Providing solution to create digital-first brands for businesses | $87M | 1 mo ago | Series C | 109 | Richard Hong Co-Founder | 13 patents Patents concentrated in health & consumer products | — |
| 23 | Smith Micro Graphics, animation and compression software provider | $77M | 3 mo ago | Acquired | 141 141 → 270 (+91%) | — | 158 patents Network-driven device management and policy enforcement for mobile/IoT platforms | — |
| 24 | Tacta Systems Home | $75M | 11 mo ago | Series A | — | Monica Valadez Co-Founder | — | — |
| 25 | Freeform Provider of metal printing services | $59M | 3 mo ago | Series B | 20 | Thomas Ronacher Co-Founder & President | — | — |
| 26 | Hammerspace Provider of storage management solutions 48Funding top 25%Moat top 31%Tech top 37%Product top 41% All 12 signals ▾Fundingtop 25% Moattop 31% Techtop 37% Producttop 41% AItop 45% Partnerstop 45% Marketbottom 48% Growthbottom 47% Talentbottom 42% Innovationbottom 37% Globalbottom 36% Newsbottom 31% Funding: Raised $56.7M across 2 rounds · 2 rounds over 3 yrs (0.7/yr) Moat: Editorial + unicorn rating 8/10 · Soonicorn rank vs industry peers · Fliar Intelligence Index 48/100 | $57M | 3 mo ago | Series B | 74 | David Flynn CEO | — | 1 award |
| 27 | 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 | — | — |
| 28 | BoomPop Provider of travel agency services | $55M | 7 mo ago | Series C | 20 | Jack Abraham Co-Founder | — | 1 award |
| 29 | SF Compute Provider of on-demand high-performance GPU cluster computing. | $40M | 6 mo ago | Series A | — | Evan Conrad Co-Founder | — | 7 job openings |
| 30 | LightSource Provider of supply chain management services | $33M | 14 mo ago | Series C | 14 | — | — | 1 award |
| 31 | Evocative Platform offering colocation solution | $32M | 6 mo ago | Series A | 143 | Arman Khalili Founder & CEO | — | — |
| 32 | Aira Technologies Limited information available | $31M | 3 mo ago | Series B | 10 | RaviKiran Gopalan Co-Founder & CTO | 302 patents Multi-coil wireless power transfer systems with advanced foreign-object detection | 1 job opening · 1 award |
| 33 | HEN Manufacturer of firefighting nozzles, shutoff valves, and related fire suppression equipment 50Funding top 25%Talent top 38%Tech top 39%Global bottom 45% All 5 signals ▾Fundingtop 25% Talenttop 38% Techtop 39% Globalbottom 45% Marketbottom 28% Funding: Raised $30.7M across 5 rounds · 5 rounds over 6 yrs (0.8/yr) Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 50/100 | $31M | 6 mo ago | Series A | — | Akshay Thakor Co-Founder & COO | — | — |
| 34 | Anello Photonics Provider of business management consulting services | $28M | 1 mo ago | Series B | 20 | Mario Paniccia Chief Executive Officer | 112 patents Integrated silicon nitride photonic gyroscope chips for high‑precision navigation sensors | 1 job opening |
| 35 | Collov Labs Provider of AI model development services | $23M | 1 mo ago | Series A | — | Nicole Wang Co-Founder | — | — |
| 36 | CRCD Provider of community & workforce & economic development services | $22M | 13 mo ago | Funding Raised | 83 83 → 205 (+147%) | Hugo Ortiz Co-Founder | — | — |
| 37 | Searchable Provider of a geo-tagged mobile commerce and messaging platform | $22M | 1 mo ago | Series B | 11 | Frank Rice Founder | 5 patents AI-driven semantic information retrieval using neural networks for enhanced search relevance | — |
| 38 | Anetac Provider of cyber security services | $16M | 7 mo ago | Series B | — | Diana Nicholas Co-Founder | — | — |
| 39 | Perle Provider of expert human-powered AI training data management solutions | $16M | 10 mo ago | Seed | — | Ahmed Rashad Founder & CEO | — | — |
| 40 | Salt AI Developer of an AI engine for accelerating life sciences advancements | $13M | 8 mo ago | Series A | — | Aber Whitcomb Co-Founder & CEO | — | — |
| 41 | Prismax Developer of a service layer for physical artificial intelligence applications | $11M | 12 mo ago | Series B | — | Chyna Qu Co-Founder | — | — |
| 42 | Modveon Developer of a verified operating system for secure communication and transactions | $10M | 4 mo ago | Series A | — | Nana Murugesan Co-Founder & CEO | — | — |
| 43 | ERI Provider of E-waste recycling and asset disposition services 76News top 27%Innovation top 30%Partners top 31%Tech top 37% All 10 signals ▾Newstop 27% Innovationtop 30% Partnerstop 31% Techtop 37% Talenttop 38% Fundingtop 39% Markettop 40% Growthtop 40% Productbottom 48% Globalbottom 32% News: 4 BI events in 12 mo (of 32 tracked, 7 types) · Top themes: Contracts, Announcements Innovation: 3 product lines rank vs industry peers · Fliar Intelligence Index 76/100 | $10M | 12 mo ago | Funding Raised | 452 452 → 357 (-21%) | Aaron Blum Co Founder/Chief Compliance Officer/Chief Operating Officer | — | — |
| 44 | Multiply Offering human-strategy and AI-execution for paid media services, primarily serving B2B companies | $10M | 3 mo ago | Seed | — | Ashish Warty Co-Founder & CTO | 33 patents Automated cell therapy manufacturing and consumable kit handling systems | — |
| 45 | Socket Mobile Manufacturer of portable computing and data collection hardware for multiple sectors | $6M | 2 mo ago | Public | 56 | — | 76 patents Mobile barcode/QR scanning, wearable trigger interfaces, and wireless data transfer technologies | 3 launchs |
| 46 | Tradespace Cloud based IP management software | $5M | 4 mo ago | Series A | 7 | Alec Sorensen Co-Founder & CEO | — | 1 launch |
| 47 | Wallchain Platform utilizing AI-driven algorithm to measure and reward users for generating content engagement 60Tech top 22%Growth top 28%AI top 45%Funding bottom 45% All 6 signals ▾Techtop 22% Growthtop 28% AItop 45% Fundingbottom 45% Globalbottom 38% Marketbottom 33% Tech: 39 technologies across 6/8 capability areas · Cloud: Cloudflare, Google Cloud Growth: Web rank 5,000,000 → 1,000,000 YoY · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 60/100 | $4M | 7 mo ago | Seed | 7 | — | — | — |
| 48 | Stationwise Stationwise is a platform that simplifies fire department scheduling. | $3M | 7 mo ago | Series A | — | Marcus Edwards CEO | — | — |
| 49 | The Crypto Company Building infrastructure for crypto, blockchain, and Web3 technologies 27Funding top 38%AI top 45%Tech bottom 46%Global bottom 32% All 5 signals ▾Fundingtop 38% AItop 45% Techbottom 46% Globalbottom 32% Marketbottom 27% Funding: Raised $2.3M across 7 rounds · 7 rounds over 9 yrs (0.8/yr) AI: Product described with: artificial intelligence rank vs industry peers · Fliar Intelligence Index 27/100 | $2M | 1 mo ago | Public | 10 10 → 13 (+30%) | — | — | — |
| 50 | forml Provider of machine learning services | $546K | 2 mo ago | Series A | — | Shaine Hirsh Co-Founder | — | — |
Top 12 Business 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
Acquired · San Mateo, California · founded 2002 · 14 employees$875Mraised▾
Provider of data center, cybersecurity, and managed IT services
- Apr 2026Conventional Debt$875M
- Apr 2026Seed—
#3
Series C · San Diego, California · founded 2014 · 74 employees$135.4Mraised▾
Reconfigurable test and measurement instruments for advanced research and development. They provide integrated test solutions engineered for seamless customization. Their reconfigurable Moku platform accelerates research and development, cutting time and cost. Designed for researchers, it delivers efficiency in complex test scenarios. They offer software-defined instruments, FPGA-powered hardware, and cloud-based tools. Their technology includes neural networks, multi-instrument mode, and custom compilation. They serve industries like optics, aerospace, semiconductor, and AI. Their mission is to create transformational tools that improve user capabilities. Their vision is to help engineers and scientists solve global challenges. They value customer value, product quality, innovation, and diversity. They offer test platforms, software, instruments, cloud compile, and multi-instrument modes.
- Apr 2026Series C$70M
- Jun 2024Series B$15M
- Sep 2022Series B$28.5M
- May 2021Series A$13.7M
#4
Series C · Los Angeles, California · founded 2019 · 109 employees$87Mraised▾
Pangaea is providing solutions to create digital-first brands for businesses. The company started as a male skincare brand called Lumin. The company built digital and logistical tools that allow the brand to offer products to international audiences.
- May 2026Conventional Debt$3.5M
- Jul 2021Series B$15M
- Jul 2021Series C$53M
- Oct 2019Series A$8.8M
#5
Series D · Penn Valley, California · founded 1991$236.2Mraised▾
Developer of residential, commercial, and public projects
- Feb 2026Series D$948.5K
- Feb 2025Series D$186.6M
- Feb 2018Series C$48.7M
- Sep 2010Grant (prize money)—
#6
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
#7
Series C · Los Angeles, California · founded 2002 · 196 employees$103Mraised▾
Provider of court reporting and litigation services
- Mar 2026Series C$49M
- Dec 2024Series C$20M
- May 2024Series C$46M
- May 2023Series B$15M
#8
Acquired · Aliso Viejo, California · founded 1982 · 141 employees$76.6Mraised▾
Graphics, animation, and compression software provider for the media and entertainment industries. It has developed 'Moho' a proprietary vector-based 2D animation software for animators, 'Poser' - a complete solution for designing, posing, and animating human figures in 3D animation, and 'Clip Studio Paint' - a comic and manga creation software and art tool for manga and comic artists. It also offers tools for creating motion comics and compression technology for sharing files. Also operates in the mobility service provider, enterprise, and IoT-OEM industries. Provides application suites for control and intelligent management of devices and data traffic.
- Mar 2026Post IPO$4.9M
- Nov 2025Post IPO$1.5M
- Sep 2025Post IPO$933K
- Oct 2024Post IPO$3M
#9
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
#10
Series B · Thousand Oaks, California · founded 2014 · 11 employees$21.5Mraised▾
Provider of a geo-tagged mobile commerce and messaging platform
- May 2026Series B$14M
- Dec 2025Series A$5.2M
- May 2016Seed$669K
- Apr 2016Seed$1.6M
#11
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
#12
Series B · Santa Clara, California · founded 2018 · 20 employees$28Mraised▾
Provider of business management consulting services
- May 2026Series B$25M
- Nov 2024Series B—
- Oct 2021Series A$28M
- Apr 2021Grant (prize money)$255.8K
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Business Services coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising