Our curated list of AI Companies in San Francisco highlights teams with deep technical expertise, strong local roots, and a clear understanding of how to build, deploy, and scale AI products in one of the world’s most competitive tech markets.

Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

United States × California × San Francisco × Food and Beverage × Under $1,000 ×Clear Filters
  • We help businesses in building Web, App, Software, and Adapting AI Solutions.

    Probey Services integrates retrieval-augmented generation systems, handles large language model fine-tuning, and deploys autonomous AI agents. As an AI company in San Francisco, it also builds custom machine learning pipelines using open-source, Anthropic, and OpenAI models...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • Web Design
    • WordPress Website Design
    • Show more
    Location
    San Francisco, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    94 Projects Listed

    Probey Services Services

    • Mobile App Development
    • Software Development
    • Web Development
    • Web Design
    • WordPress Website Design
    • Digital Marketing
    • Digital Services
    • SEO
    • IT Services
    • AI Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Bartisans
    • Samyakk
    • 30 Days Fitness
    • Isharya
    • The Estate Residences
    • VegenMart
    • Fresh Menu Application
    • PRAO Fashion Jewellery
    • Audentia Space
    • Wings of Change
    Data sourced from the agency's DesignRush profile

    Probey Services Reviews & Testimonials

    • Rajat Sinh
      Rajat Sinh Founder at Aaayan Systems
      5.0★

      Web Development Review from Rajat Sinh

      Probey transformed our outdated website into a modern, high-performing platform by understanding our business goals and delivering the right solutions. Since the launch, we have seen significant growth in website traffic, lead conversions, and operational efficiency through their backend integrations. Impressed with their expertise and quality of work, we also trusted Probey with our CRM development project as well. Thank you to the entire Probey Services team for your professionalism and support.

    • Roshan
      Roshan CEO at NanoTherapX
      5.0★

      Web Design Review from Roshan

      This is Roshan, CEO at NanoTherapX. Working with Probey Services for our CRM Development. What stood out most was their stability, consistency, reliability, and a smooth implementation. The CRM has streamlined our client management, improved team efficiency, and helped us manage operations more effectively. Since its implementation, we've seen better productivity and consistent business growth. I highly recommend Probey Services UK to any business looking for a reliable technology partner.

    • Tejaswini
      Tejaswini Director at Green Matter Packaging
      5.0★

      Mobile App Development Review from Tejaswini

      What stands out most about Probey Services is their discipline-no missed calls, no vague timelines, and no surprises. They built our mobile app with a level of professionalism that made us feel like a priority throughout the project. The delivery was on schedule, the code quality was excellent, and the final product met high standards. Since the app launch, we've seen consistent business growth, and managing customer orders has become much more efficient. I highly recommend Probey Services UK to any business looking for a dependable technology partner.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews

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Frequently Asked Questions About Top AI Companies in San Francisco

Why is San Francisco considered the global AI hub?

San Francisco has become the global center for artificial intelligence (AI) because it concentrates talent, money, and infrastructure in one place. The city and the wider San Francisco Bay Area received more than 50% of all United States AI funding in 2025, driven by major venture firms like Andreessen Horowitz. 

This funding wave supports a dense ecosystem of startups, from early-stage Y Combinator teams to mature Series B companies. With OpenAI, Anthropic, and Scale AI based here, the region has become the top destination for any machine learning or software engineer who wants to work at the center of the AI boom.

What kind of AI services can I find in San Francisco?

In San Francisco, you can find every type of artificial intelligence service imaginable. Many clients work with an AI development company to build a custom AI tool or a smart AI agent that can talk to customers. There are also experts in predictive analytics who help businesses use data to see the future and make better insights. 

If you need a specific solution, the city has many startups that offer AI consulting to help you pick the right AI model. You can find a machine learning engineer to help with computer vision or a software development team to build a new mobile app development project.  

From generative AI to AI safety, the San Francisco Bay Area has the right AI innovation for any goal. 

How much do AI services typically cost?

The cost to hire AI developers typically ranges from $150 to $250 per hour. Total costs are driven by solution complexity: the more advanced the system, the higher the build time, data requirements, and long-term maintenance. 

Project typeUse caseTimelineEstimated cost
Entry-level AI projectsProof of concept, pilot, basic AI agent, or RAG-based chatbot1–2 months$15,000–$40,000
Mid-range custom AI toolsInvoice automation, internal assistants, CRM automation4–6 months$50,000–$150,000 
Enterprise AI platformsRegulated workflows, complex AI systems, and multi-team usage9–18+ months$200,000–$500,000+ 

Beyond the initial build, a founder must plan for ongoing expenses. Data preparation often consumes 25–30% of the budget, and once live, the system will also require regular maintenance. This typically costs 15–20% of the original price each year to cover AI model retraining and infrastructure. 

What is the typical ROI for AI solutions?

According to the IDC study supported by Microsoft, the typical return on investment (ROI) for generative AI is about $3.50 for every $1 invested. For the top 5% of organizations worldwide, the "frontier firms," that return can reach as high as $8.  

While some clients see results in under 6 months, the average organization realizes a positive return within 14 months of its initial investment. 

How do AI companies in San Francisco handle data security and bias?

Managing data security is challenging because hackers use their own AI systems to identify vulnerabilities. To fight back, AI development companies use "differential privacy," which adds mathematical "noise" to data, so the AI model can learn patterns without ever seeing a specific person’s real info.  

AI companies in the San Francisco Bay Area must conduct a "bias audit" under new laws, including the Transparency in Frontier Artificial Intelligence Act (TFAIA), also known as SB 53. They must demonstrate exactly how their AI applications make decisions to ensure they aren't inadvertently discriminating on the basis of race or gender. 

Even with these tools, AI safety is never 100% finished. As generative AI gets smarter, companies must continually update their solutions to prevent "jailbreaking" and new types of data leaks.