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Last updated 10 February, 2025
Top Software Development Companies in California
Are you searching for the best software development company in California? You can consider TopDevelopers.co to find the right team for your software development projects. The platform is transparent and reliable, as you will discover only top-rated and highly appreciated companies listed on this platform. Yes, any company to be listed here needs to meet our listing criteria. We have experts who ensure to evaluate and analyze each company’s quality work, expertise, industry experience, team strength, portfolio ranges, ratings, and client testimonials. Based on the score they get during our evaluation process, we rank them on this accordingly. The list you get here is analyzed and 100% verified. Find your agency now.
List of Best California Custom Software Development Companies
486 Companies | Last Updated 03 April, 2025
Grio is a San Fransisco-based software developing company specializing in mobile app development and end-to-end web services. We also provide cutting-edge solutions in software design, strategy and planning,…Explore the detailed profile of Grio
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51 to 250
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$26 - $50
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$25001 - $50000
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California, USA
Website & Software Development Company
Delimp Technology is a professional Web Design, PHP Development, and Mobile App development company based in India, USA. Delimp Technology has been eligible to provide the best of services…Explore the detailed profile of Delimp Technology
Great Mobile App Development service offered!
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11 to 50
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Up to $25
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Less than - $5000
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California, USA
MobiDev Corporation is a software engineering and consulting
MobiDev Corporation is a software engineering and consulting company incorporated in the US and the UK, with R&D centers in Poland and Ukraine. Since 2009, MobiDev has specialized in building and…Explore the detailed profile of MobiDev Corporation
Professional and responsive team.
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251 to 1000
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$26 - $50
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More - than
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California, USA
Healthcare IT Solutions
DreamSoft4u is a trusted Healthcare IT Solutions provider, specializing in healthcare software development and custom software solutions. We offer expertise in telemedicine platforms, EMR/EHR systems,…Explore the detailed profile of DreamSoft4U Pvt. Ltd.
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I’m impressed with their warm welcome!
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51 to 250
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$26 - $50
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$5001 - $10000
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California, USA
DevBatch, one of the best digital and IT consulting companies headquartered in Newark, California. We have come a long way from one man’s endeavor to a multinational software development company…Explore the detailed profile of DevBatch
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51 to 250
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$26 - $50
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$25001 - $50000
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California, USA
Rightpoint, a Genpact company, is the digital consultancy with technology at its core. We design and engineer end-to-end digital experiences to help our clients succeed at the speed of innovation. The…Explore the detailed profile of RIGHTPOINT
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251 to 1000
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$151 - $200
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$50001 - $100000
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California, USA
Started in 1992 in California’s Silicon Valley, Waverley is one of the best IT companies to have marked their presence across the globe. Our expertise extends in software architecture, mobile and…Explore the detailed profile of Waverley Software
Addressed all our business needs.
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51 to 250
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$101 - $150
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$50001 - $100000
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California, USA
Naked Development is #1 ranked US App development agency that takes a people-first approach to creating, developing and marketing your next great idea. Our in-house team is made up of visionary artists…Explore the detailed profile of Naked Development
Exhibited exceptional responsiveness and collaborative approach.
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11 to 50
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$101 - $150
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$25001 - $50000
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California, USA
Custom Software & Architecture, Engineered for Success
Create winning solutions Binariks is a trusted tech partner driving digital transformation through end-to-end software engineering and consulting. We specialize in AI, ML, and LLM solutions…Explore the detailed profile of Binariks
Excellent project management skills.
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51 to 250
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$51 - $100
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$10001 - $25000
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California, USA
Xmartlabs is the best software development studio with offices in San Francisco and Montevideo. With an exceptional goal of fulfilling your vision and not just your specs, our strong product-mindset and…Explore the detailed profile of Xmartlabs
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51 to 250
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$51 - $100
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$10001 - $25000
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California, USA
Unlock new possibilities with our Ruby on Rails expertise
We are a team of 200+ robust full stack developers across Ruby on Rails & other open source technologies. Our clients and partners range from startups, SMB's to the innovation team of major corporations…Explore the detailed profile of Railsfactory
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51 to 250
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$26 - $50
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$25001 - $50000
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California, USA
Simple to use, Powerful AI driven Testing Platform
ACCELQ is the only cloud-based continuous testing platform that seamlessly automates API and web testing without writing a single line of code. Automation is integrated with manual testing process under…Explore the detailed profile of ACCELQ
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11 to 50
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$26 - $50
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$10001 - $25000
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California, USA
Caring for Client's Success
Surekha Technologies is a Digital Transformation and Digital Experience Enabler for solutions built with web and mobile technologies. We serve our customers worldwide and have a presence in the USA and…Explore the detailed profile of Surekha Technologies
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51 to 250
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Up to $25
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$5001 - $10000
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California, USA
Headquartered in Fremont, Canada, Cognitive Clouds is a web and software development company with offices also in India and Singapore. Our services include web app development, backend development, eCommerce…Explore the detailed profile of CognitiveClouds
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51 to 250
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$26 - $50
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$25001 - $50000
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California, USA
A Product Engineering company | IOT Firmware Integration
HashStudioz Technologies Inc. is an award-winning product development company that serves clients ranging from entrepreneurs to Fortune 500 companies with innovative information technology…Explore the detailed profile of HashStudioz Technologies Inc
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251 to 1000
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$26 - $50
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$5001 - $10000
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California, USA
Let Us Construct Your Ideas​
Our software development company has been building applications in San Diego for over three decades. To say that we are an experienced custom software development company would be an understatement. We…Explore the detailed profile of Odyssey Computing Inc
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11 to 50
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$51 - $100
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$50001 - $100000
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California, USA
Open Digital Delivered
Appnovation is a global, full-service IT consultancy firm with headquarters in Canada, specializing in iPhone & iPad mobile app development, web, and software development. Our in-house experts build…Explore the detailed profile of Appnovation
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251 to 1000
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Up to $25
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$50001 - $100000
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California, USA
MagmaLabs is an eCommerce and software development consultancy that develops software solutions for emerging, mid-size, and growing companies using innovative technologies. From the past 8 years, our…Explore the detailed profile of MagmaLabs
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51 to 250
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$51 - $100
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$5001 - $10000
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California, USA
Be it a software developer, programmer, coder, or a consultant,
CronJ is a product development company which solves problems in Video analytics, IoT, Industrial automation, Manufacturing 4.0, Smart Factory, Smart City , BlockChain and supply chain consulting. CronJ…Explore the detailed profile of CronJ IT Technologies
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51 to 250
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$51 - $100
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$5001 - $10000
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California, USA
360° Ecommerce Coverage
EcomVA Virtual assistant services help businesses in several ways as they have skills, time, and resources. Remote work is becoming highly popular and giving new opportunities to businesses. They…Explore the detailed profile of eComVA
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51 to 250
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Up to $25
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Less than - $5000
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California, USA
IF YOU CAN IMAGINE IT, WE CAN DEVELOP IT
Magneto IT solutions is a well established and award winning B2C and B2B eCommerce agency founded in 2009. Our core competencies lie in developing market-leading end-to-end B2C, B2B eCommerce solutions…Explore the detailed profile of Magneto IT Solutions
Amazed with the coordination
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51 to 250
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$26 - $50
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Less than - $5000
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California, USA
Design and engineering team that delivers
STRV is a software design and engineering company. Launching 70+ digital solutions every year, we stand out not with a wordy promise, but with a bulletproof track record. We’ve had 25+ apps featured…Explore the detailed profile of STRV
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51 to 250
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$101 - $150
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$50001 - $100000
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California, USA
Transforming your Ideas. Digitally.
Seeing the clients passionate about their idea makes us excited. We always look for new ways to provide solutions and create a better product. Founded in 1997, we've served more than 3000 businesses…Explore the detailed profile of IndiaNIC
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251 to 1000
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$26 - $50
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$5001 - $10000
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California, USA
We Are a Design & Test Driven Software development company specializing in FinTech and HealthTech. We are committed to helping you build meaningful and desirable products through our design process.…Explore the detailed profile of Ionixx Technologies
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51 to 250
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$101 - $150
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$10001 - $25000
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California, USA
Top Web and Mobile Application Development Company
Seamgen is a design and development agency specializing in mobile and web applications that meet the specific needs of your unique users. Our user-centric approach has developed successful sophisticated…Explore the detailed profile of Seamgen
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51 to 250
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$101 - $150
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$50001 - $100000
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California, USA
Excellence In Software Engineering
Emerline provides full-cycle software engineering services for companies worldwide and operates as a Strategic Technology Partner for a number of established companies and startups based in…Explore the detailed profile of Emerline
The team members were great, very professional, and were an excellent culture fit with us.
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251 to 1000
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$51 - $100
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$25001 - $50000
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California, USA
Your Partner in Digital Transformation and Growth
Capital Numbers is an award-winning software development company specializing in digital transformation to drive business growth and success. We deliver custom-built solutions tailored to the unique needs…Explore the detailed profile of Capital Numbers Infotech Ltd.
Quickly responded to our business requirements.
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251 to 1000
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Up to $25
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$5001 - $10000
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California, USA
Playground For Business Innovation
Fibonalabs is a software development company based out in US and India that leverages the latest technologies and offers cutting-edge digital solutions to help businesses to stay ahead. We help businesses…Explore the detailed profile of Fibonalabs
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51 to 250
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$101 - $150
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Less than - $5000
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California, USA
Fuelling Happiness
SayOne is a fast growing Information Technology and Digital services company headquartered in India. We help our clients to become future ready by harnessing the power of new and emerging technologies.…Explore the detailed profile of SayOne Technologies
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51 to 250
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$26 - $50
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Less than - $5000
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California, USA
Web and Mobile Application Development Company.
We are a full-service web and mobile application development shop with an immense focus on customer satisfaction. Our core philosophy is to help small businesses and entrepreneurs thrive and bring in…Explore the detailed profile of QualiLogic
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2 to 10
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Up to $25
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Less than - $5000
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California, USA
Software Co's app developer is a visionary creator of cutting-edge mobile experiences. With a passion for innovation and a keen eye for detail, you'll design, build, and launch intuitive and engaging…Explore the detailed profile of Software Co
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51 to 250
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$51 - $100
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$10001 - $25000
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California, USA
Who are we? We are innovators, creators, and industry leaders brought together under a singular goal — to bring you the best solutions eCommerce has to offer. Partner with us and see your business…Explore the detailed profile of Silk Software
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51 to 250
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$51 - $100
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$25001 - $50000
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California, USA
Espeo is a digital consultancy with a strong international presence. Our expert team builds and designs custom web and mobile applications to keep our clients on the cutting edge. Exceptional industry…Explore the detailed profile of Espeo Software
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51 to 250
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$26 - $50
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$10001 - $25000
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California, USA
Lets Build Great Software
With more than two decades of experience in IT Consulting and Software Development Company – Radixweb is known for delivering success with its relentless expertise. Benchmarking success…Explore the detailed profile of Radixweb
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251 to 1000
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$26 - $50
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$10001 - $25000
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California, USA
Build a Captivating Brand. Not just a Website!
As a leading web design and development firm located in Los Angeles, we offer our clients all-inclusive, full-stack web design and development solutions, enabling them to outshine their competitors in…Explore the detailed profile of Web Design Gator
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51 to 250
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$101 - $150
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$10001 - $25000
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California, USA
Frequently Asked Questions
Silicon Valley is at the heart of California, and Los Angeles and San Francisco are significant IT hubs in California. It signifies California is home to tech-driven start-ups, and many established businesses are operating in California. Apple, Google, Cisco, and Intel are the leading tech businesses with branches in California with thousands of employees.
With top universities residing in California, software development companies in California have access to top talent well-versed in the latest technologies and trends. All of the situations enable California development companies to deliver quality software solutions.
Californian software developers are experts in the things they do. That’s the one benefit you get. Besides, if you have a software product to develop for healthcare, the agency in California, the U.S., you get the relevant experts (who have worked and developed healthcare solutions). Besides, you get a range of other benefits, such as faster time to market (the development company applies simultaneous development, which helps launch products and services faster, reduced distraction, access to the latest technologies, and more.
You can expect comprehensive software development services from any company you choose on this platform. Software development companies in California offer a range of services, ranging from custom software development to software deployment and everything in between. Whether you are looking for web development services, mobile application development (Native and cross-platform), software solution development, product development, desktop application development, IoT, AR/VR, or AI solutions, Cloud computing a reliable agency can serve all your needs.
Hiring developers in California, the United States, will cost you $30 to $99 or more, depending on the type of software development agency you want to partner with and the expertise and experience level of the developer. For example, $30 to $49 for junior developers, $50 to $75 for mid-senior developers, and $75 to $199+ for expert developers. The cost of hiring software developers will also differ based on the type of engagement model you choose.
Most companies follow Time & Material (T&M), Sprint-Based Payment, Fixed Pricing, Fixed Budget, Fixed Deadline, and Flexible Scope (FFF) pricing models. However, the choice of payment model will ensure the payment structure. For example, in most cases, Agile development is suitable for software development. Hence, the company suggests T&M models. It is beneficial for both, and therefore, you may have to pay 25% initially, 50% when the project is half completed, and the rest of the project is developed, tested, and ready to deploy.
The best method to choose the right software development company in California is to look for their “Portfolios,” “Work methodology,” and “Client reviews.” Evaluate these three things, and you will find the right firm. Apart from this, you can also look at their team strength, tech expertise, and industry experiences. More than that, you must know your needs before approaching any firm for your projects. For example, understanding your projects and needs will help you make a better choice.
California-based software development companies use agile, waterfall, kanban, scrum, and waterfall methodologies depending on what suits software projects and what business clients demand.
Even though software agencies promise to use a comprehensive suite of technologies and tools for software development, most companies have their specific choice (because of the kind of client demand and easy availability of the technology in the region). As far as California software agencies are concerned, they use various tools and technologies, including Nifty, Git, Jira, Atom, Microsoft Azure, Visual Studio Code, Bitbucket, NetBeans, Amazon Web Services, and others.
Californian software development companies focus on several industries, ranging from Hospitality and tourism, Information technology, Fashion and lifestyle, Healthcare / Pharma / Medical, FinTech / Banking / Finance, and Logistics and Transportation to Food & Beverages, Media & Streaming, Real estate (RealTech) and others.
We have created this list of software development companies in California by thoroughly analyzing and evaluating each company. We have explored tech expertise, industry experiences, portfolio ranges, testimonials / client reviews, ratings, and more to ensure that only deserving companies get listed on this platform. Hence, the company that met our listing criteria is ranked and listed here. You can explore the agency and begin with project discussion as the rest we have done for you.