Searching for an AI company in California? DesignRush connects businesses with top service providers, thoroughly evaluated for their proven expertise and client satisfaction. With over 100,000 client-agency matches monthly, finding the best fit is simple and effective. Compare them by industry expertise, client type, budget, reviews, team size, and portfolio.

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United States × California × Corporate Services × $25,000 - $50,000 ×Clear Filters
  • Your trusted AI software development partner

    Diffco engineers autonomous AI agents, computer vision systems, custom copilots, and multi-agent coordination pipelines. The AI company deploys fine-tuned open-source models, MLOps evaluation frameworks, and real-time observability tools across healthcare, fintech, and SaaS platforms...

    Top Services:

    • AI Development
    • Software Development
    • Staff Augmentation
    • Mobile App Development
    • Web Development
    • Show more
    Location
    San Jose, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $110/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    31 Projects Listed

    Diffco Services

    • AI Development
    • Software Development
    • Staff Augmentation
    • Mobile App Development
    • Web Development
    • eCommerce Development
    • IoT
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Mars
    • Food Rocket
    • FlashGrid
    • Nokia
    • Instreamatic
    • Quire
    • Legionfarm
    • Latoken
    • Genius One
    • Shift
    Data sourced from the agency's DesignRush profile

    Diffco Reviews & Testimonials

    • Ivan Pasichnyk
      Ivan Pasichnyk CEO at WeLabelData
      5.0★

      AI Development Review from Ivan Pasichnyk

      We brought Diffco in to deliver the AI and computer vision components for one of our clients, an image generation startup. Because the work sat inside our own client relationship, we needed a partner we could trust to operate at our standard without us managing them day to day - and that is exactly what we got. Diffco owned the technical approach, built the computer vision and AI layer, and delivered the full scope in three months, on schedule. The engineering quality was high, they raised the right questions early instead of late, and they handled the confidentiality the project required without us having to chase it. After delivery they stayed on to support the system, which mattered to us as much as the build itself. When you subcontract a technical project inside your own client relationship, the risk is that the partner makes you look bad. Diffco did the opposite. They've earned our trust and we'd work with them again.

    • Oleg Sotnikov
      Oleg Sotnikov CEO at AppMaster
      5.0★

      AI Development Review from Oleg Sotnikov

      Diffco built a complex, production-grade AI agentic system and backend for our client's fintech platform owning architecture, AI/ML components, and AI agents in a security- and compliance-sensitive environment. They delivered on time and within budget, communicated proactively, and operated like part of our own team, taking ownership and suggesting better solutions throughout. Deep AI/ML and senior backend expertise. We'd happily work with them again.

    • Julia Platova
      Julia Platova VP Strategic Partnerships at OVA Solutions
      5.0★

      Mobile App Development Review from Julia Platova

      We partnered with Diffco for a comprehensive software development project aimed at delivering a mobile application and backend system for our client. The goal was to create a seamless, secure, and scalable solution within a 4-month timeline and $50k-$200k budget.Diffcos team was highly professional from start to finish. They handled everything: UI/UX design, backend architecture, API integration, and deployment.After the launch, they continued to support us with maintenance and performance optimization.The application received positive feedback and has proven stable and scalable.Were highly satisfied with Diffcos expertise, commitment, and ability to deliver real results.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Empower Your Business With Future Ready IT Solutions

    A3Logics engineers production-grade AI across generative AI, deep learning, NLP, computer vision, RPA, LLM fine-tuning, AIOps, and predictive analytics, with vertical depth in fintech, healthcare, insurance, and manufacturing. With 21+ years in operation, it has completed 500+ projects...

    Top Services:

    • Mobile App Development
    • Software Development
    • Big Data Analytics
    • Blockchain
    • AI Development
    • Show more
    Location
    Carlsbad, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    13 Projects Listed

    A3Logics Services

    • Mobile App Development
    • Software Development
    • Big Data Analytics
    • Blockchain
    • AI Development
    • IoT
    • IT Services
    • Cloud Consulting
    • DevOps Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • myEnPro
    • Will2click
    • CareGiver
    • Future Institute
    • Tabbi
    • Daylight Corp
    • My Finny
    • Playmaker
    • Ghost Kitchen
    • Hastens
    Data sourced from the agency's DesignRush profile

    A3Logics Reviews & Testimonials

    • Elizabeth Sheehan
      Elizabeth Sheehan Sales Enablement Analyst at WayPath
      5.0★

      Software Development Review from Elizabeth Sheehan

      Our main goal was to update our web presence to more accurately represent our proficiency in IT consulting and services. Our prior website was disorganized, had poor performance, and failed to adequately convey our expertise in customer relationship management (CRM), customer communications management (CCM), and content management systems (CMS). We required a highly functional, aesthetically pleasing, and scalable website that could captivate users, offer smooth navigation, and blend in seamlessly with our current technology stack.They have perfect attention to detail. They took care of everything, from making sure the font and color scheme matched our corporate identity to making every user interaction as efficient as possible. The outcome was a website that serves as a potent instrument for business expansion in addition to being aesthetically pleasing. They were always helpful and quick to respond when we had questions after the launch.

    • Adam Leeman
      Adam Leeman Director at Symmetry Energy Solutions
      5.0★

      Big Data Analytics Review from Adam Leeman

      A3logics main strength was their intuitive understanding of what I was looking for. They were highly communicative regarding updates and required almost no guidance or oversight. Moreover, they were extremely creative in areas I hadn't even considered, coming up with impressive solutions.

    • Mubarak Muaz
      Mubarak Muaz CEO at Aceplace
      5.0★

      Software Development Review from Mubarak Muaz

      A3logic provided software development based on the detailed briefing that we gave them, ensuring that every aspect aligned with our brand identity and user needs. They carefully analyzed our requirements, conducted research, and proposed design solutions that enhanced usability and engagement. A3logic was a very professional company. They managed the project well and delivered on time and within budget. They were very responsive and timely in their communication. I was impressed with how enthusiastic the A3logic team was about their work. They cared about my project and treated it as their own. They were a great team.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Bringing awesome ideas to life

    Closeloop is a renowned custom software development company in California, offering innovative software solutions to its clientele to meet modern digital trends. We specialize in custom software development, cloud solutions, web & mobile app development, and Salesforce and NetSuite implementation...

    Top Services:

    • Software Development
    • Web Design
    • Mobile App Development
    • AI Development
    • Wearables
    • Show more
    Location
    Mountain View, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    31 Projects Listed

    Closeloop Technologies Services

    • Software Development
    • Web Design
    • Mobile App Development
    • AI Development
    • Wearables
    • Web Development
    • eCommerce Development
    • CRM Consulting
    • Cloud Consulting
    • ERP Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Pacefunding
    • Cordance
    • Premier Talent Partners
    • Omnidian
    • Datacube.ai
    • HomeRun Financing
    • BioStem Technologies
    • UTR Sports
    • AJNA
    • Block & Tam
    Data sourced from the agency's DesignRush profile

    Closeloop Technologies Reviews & Testimonials

    • Rick Tomsic
      Rick Tomsic Founder and Chief Executive Officer at Tradovate, LLC
      5.0★

      Software Development Review from Rick Tomsic

      Global business segment growth is requiring technology to keep up with the increase. Our platform is designed to be scalable and able to be implemented across several nations. We collaborated with Closeloop Technologies to work with our staff in order to scale up the programme.An whole agile team is provided by Closeloop Technologies to participate in our programme. At first, we gave them the data in hopes that they would aid in our execution. They have combined Spring Boot, JavaScript, and AWS cloud technologies.The platform is a value stream and full-suite insurance lifecycle. It is an internal iterative software programme.Working with Closeloop Technologies is simple. They pick up new roles rapidly and possess agile team abilities that are industry standard. The staff not only fits right in, but they also contribute their knowledge and perspectives, making them a vital component of the programme.

    • Henrique Dubugras
      Henrique Dubugras Founder and Co-CEO at Brex
      5.0★

      Software Development Review from Henrique Dubugras

      Services that had been slow or unavailable for weeks had to be brought back up. We must bring back our vital business role. After learning about our issue, the Closeloop project manager assigned a senior database specialist to address it. Our main programmer had a direct conversation with the database specialist of Closeloop after they listened to our problem and asked some follow-up questions. Within less than two hours, the solution to our issue had been verified and implemented.

    • Bill Rogers
      Bill Rogers Chairman and CEO at Truist
      5.0★

      Software Development Review from Bill Rogers

      We occasionally utilize outsourced resources to increase our team's ability to satisfy the commercial demands of our clients. This time, my goal was to create and enhance the products we were providing to clients. Their engineers joined our own team to work on the project, creating MetaTrader-based software for our traders. They assisted us in creating and refining a suite of services that give our clients more functionality; up until that point, the solution had been erratic and unconventional. Their most recent endeavor was the development of an income trading module. We employed a scrum methodology with sprint deliverables and agile planning. Along with narrative points, we also used our in-house bug tracking application for project and task management. Everything was really accurate.

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

    With 23+ years of engineering experience, EffectiveSoft creates product-centric, industry-focused agentic AI systems, generative AI products, NLP solutions, computer vision, and AI-assisted legacy modernization. Trusted by Nissin and Maersk Broker, it specializes in healthcare, finance, and SaaS brands...

    Top Services:

    • Software Development
    • Mobile App Development
    • Big Data Analytics
    • AI Development
    • ERP Consulting
    • Show more
    Location
    San Diego, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    29 Projects Listed

    EffectiveSoft Services

    • Software Development
    • Mobile App Development
    • Big Data Analytics
    • AI Development
    • ERP Consulting
    • IoT
    • Cloud Consulting
    • DevOps Consulting
    • UI/UX Design
    • Staff Augmentation
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • CITY INDEX
    • TruBridge
    • CNote
    • Plato
    • Intelon Optics
    • InCheq
    • Nissin Foods
    • Soutron Ltd.
    • BullionRock
    • InContinuum
    Data sourced from the agency's DesignRush profile

    EffectiveSoft Reviews & Testimonials

    • Alex Silverstein
      Alex Silverstein Chief Technology Officer at Unified Digital Group, LLC
      5.0★

      Software Development Review from Alex Silverstein

      Over the past 13 years, I’ve valued the opportunity to work alongside this team. Their expertise played a central role in my company’s success, and I’ve come to rely on them for their consistency, attention to detail, and thoughtful approach.

    • Philipe Araujo
      Philipe Araujo Business Analyst and Quality Engineer at Motive Retail
      4.8★

      Software Development Review from Philipe Araujo

      We have had a highly positive experience utilizing EffectiveSoft's staff augmentation services for our Business Analyst and Quality Engineer needs. The professionals provided were not only highly skilled and knowledgeable but also integrated seamlessly with our existing team, requiring minimal ramp-up time. Their expertise in their respective fields significantly enhanced our project's efficiency and overall quality. We confidently recommend EffectiveSoft for any organization seeking top-tier talent to augment their teams and drive successful project outcomes.

    • Sasja Ihn Christensen
      Sasja Ihn Christensen Senior Director, Head of Digital Business Development at MAERSK BROKER
      5.0★

      Software Development Review from Sasja Ihn Christensen

      Maersk Broker is pleased to provide this reference letter for EffectiveSoft, our trusted collaborator for complex web projects. From the initial stages of our projects, the team at EffectiveSoft demonstrated a deep understanding of our requirements and have been apro-active part of any problem-solving process. The team of offshore developers has been well-run through their lead developer, and we have only experienced a professional approach to our projects, as well as a pleasant and trust-based collaboration = between all members in the EffectiveSoft team and our own team. EffectiveSoft has furthermore proved to be highly flexible, adapting to our evolving needs and delivering reliable results under shifting circumstances and shifting priorities. They have furthermore been very quick to find and add the necessary resources to the team when needed, and we have only experienced professional and highly skilled consultants. This has also made on-boarding into projects faster and more efficient.In conclusion, it has been a pleasure working with EffectiveSoft, and I have no doubt that they will continue to be an asset to any collaborators in the future, adding value through their professionalism, dedication and understanding of business needs.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Dedicated Teams That Build Complex Software Systems

    SiliconMint designs, develops, and supports mission-critical software systems. Based in San Francisco, SiliconMint has offices in New York and Europe to serve clients across the globe...

    Top Services:

    • Software Development
    • Mobile App Development
    • IoT
    • AI Development
    • Cybersecurity
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    7 Projects Listed

    SiliconMint Services

    • Software Development
    • Mobile App Development
    • IoT
    • AI Development
    • Cybersecurity
    • Blockchain
    • VR/AR
    • Big Data Analytics
    • IT Services
    • Cloud Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Verizon
    • Yahoo Japan
    • NASDAQ
    • NYSE
    • Goldman Sachs
    • Barclays
    • BCG
    • Wargaming,net
    • AA
    • orange
    Data sourced from the agency's DesignRush profile

    SiliconMint Reviews & Testimonials

    • Leon Hounshell
      Leon Hounshell CTO, Verizon
      5.0★

      Software Development Review from Leon Hounshell

      Using SiliconMint’s AI engine and their engineering team was a great decision for us. They built the core foundation of our ThingSpace IoT platform on time and within budget, helping us serve millions of customers across the country. I would highly recommend the SiliconMint team for their drive and dedication to the art of software architecture and development.

    • Leonid Zhukov
      Leonid Zhukov Partner and Associate Director at Boston Consulting Group (BCG)
      5.0★

      Software Development Review from Leonid Zhukov

      I’m always impressed by the technical depth & breadth of SiliconMint’s engineering team and the passion they bring to our projects. We’ve worked with them on distributed systems, data science projects, and a predictive maintenance system for the oil and gas sector. Every time, they blew me away with their experience, passion, energy, and the overall dedication for how they approach software engineering and delivery.

    • Steve Grice
      Steve Grice Head of Technology Global Transaction Services at Royal Bank of Scotland
      5.0★

      Cybersecurity Review from Steve Grice

      SiliconMint built a real-time fraud detection system for us in a record period of time, with precision and recall that rivals the best in the industry. I was pleasantly impressed by their passion, dedication, and attention to detail in how they approached software development, driving excellence and speed within our organisation.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Innovating One Product at a Time!

    Kwanso, recognized as a top 5 mobile company by Silicon Review, is a team of expert designers, developers, machine learning engineers, and consultants dedicated to building exceptional digital experiences...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • eCommerce Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    5 Projects Listed

    Kwanso Services

    • Software Development
    • Mobile App Development
    • AI Development
    • eCommerce Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Whirlpool
    • Craftsman
    • Gladiator
    • Kenmore
    • RealREPP
    • TrueReview
    • College Advisor
    • BioMarker
    • Uptok
    • Bushnell
    Data sourced from the agency's DesignRush profile

    Kwanso Reviews & Testimonials

    • Full Circle Healthcare Solutions
      Full Circle Healthcare Solutions Review from Google
      1.0★

      Full Circle Healthcare Solutions's Review Sourced from Google

      Although I have responded to be removed from this person‘s spamming emails, they still continue to email me over and over again. This is borderline rude and an excusable since I have responded to those emails to be opted out. Regardless of the business the way that you represent it is not how I do business. Normally I don’t leave responses but after three or four times of receiving the same emails when requesting to be opted out I figured this was the best place to post.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Designing and Building Platforms for Your AI Bot Development.

    ISBX (Interactive, Strategy, Branding, Execution) stands as the premier web and mobile application development agency in Southern California, boasting extensive expertise across a diverse spectrum of digital services such as Mobile, Blockchain, IoT, Web3, and Web Development. With a track record of...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • Blockchain
    • IoT
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    7 Projects Listed

    ISBX Services

    • Software Development
    • Mobile App Development
    • Web Development
    • Blockchain
    • IoT
    • UI/UX Design
    • Web Design
    • Wearables
    • Software Testing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Apple
    • RedBull
    • Lexus
    • American Honda
    • Brain Corp
    • Science 37
    • WAG!
    • USC
    • Pasco Scientific
    Data sourced from the agency's DesignRush profile

    ISBX Reviews & Testimonials

    • Peggy McCabe
      Peggy McCabe Review from Google
      5.0★

      Peggy McCabe's Review Sourced from Google

      ISBX is a very professional and talented web development company. The overall experience I had with them in the redesign of our website was outstanding. They were extremely creative, provided viable options at all junctures, and delivered on time and on budget. ISBX also provided a very hands-on, and professional team who understood our need for brand engagement and outreach to a new audience with our website refresh. The team also optimized the new site for mobile usage which was very important to us. ISBX successfully executed our complex project efficiently, with excellent communication and attention to detail at every step. I wouldn't hesitate to work with them again.

    • Kim Farley
      Kim Farley Review from Google
      5.0★

      Kim Farley's Review Sourced from Google

      ISBX helped us from concept to launch without any issues. They were communicative, patient, and able to quickly implement solutions to project changes that came up along the way. We appreciate that they took the time to hold our hands with explanations and detailed questions to make the process as stress free as possible and to get a good understanding of our product.

    • Tony Alfaro
      Tony Alfaro Review from Google
      5.0★

      Tony Alfaro's Review Sourced from Google

      I've been a client of ISBX for nearly three years. They are hands down the best development firm I have ever worked with. They are on budget and on time consistently. They are trustworthy, highly communicative, and very versatile. Nothing is in the "too hard box" for them.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Powering The Builders Of Tomorrow

    From trading bots to tokenization platforms, we help startups and enterprises build AI-first products,decentralized systems, and scalable Web3 infrastructure for real-world success. Start Building Smarter...

    Top Services:

    • Blockchain
    • AI Development
    Location
    Carlsbad, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $1000/hr
    Minimal Budget
    $25,000 - $50,000

    Ment Tech Services

    • Blockchain
    • AI Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Aurix Exchange
    • Wenbit
    • EuroTrust Capital
    • JetSwap Finance
    Data sourced from the agency's DesignRush profile

    Ment Tech Reviews & Testimonials

    • naveen kumawat
      naveen kumawat Review from Google
      5.0★

      naveen kumawat's Review Sourced from Google

      Working at Team Ment Tech has been a rewarding experience. The team is cooperative, the environment is professional, and there is always support for learning new technologies and improving skills. It’s a place where growth and teamwork are genuinely encouraged.

    • Mukesh Rai
      Mukesh Rai Review from Google
      1.0★

      Mukesh Rai's Review Sourced from Google

      This was a frustrating experience. The work quality was below standard, deadlines were missed, and there was minimal response to calls or messages. Better project management and communication are urgently needed.

    • Priyanshi Rajore
      Priyanshi Rajore Review from Google
      5.0★

      Priyanshi Rajore's Review Sourced from Google

      Ment Tech is a great company to work with, the team is supportive, professional and always focused on delivering quality work.

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

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