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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

482 Companies | Last Updated 18 April, 2025

Guru Technolabs

Empowering Businesses with Innovative Solutions

Guru Technolabs is a recognized top website development, mobile app development, and digital marketing company that serves the best quality IT services to the clients worldwide. We provide highly intuitive,…Explore the detailed profile of Guru Technolabs

  • 11 to 50

  • Up to $25

  • $5001 - $10000

  • California, USA

Jinnbyte

flair for all things challenging!

JinnByte, founded in 2018, is a forward-thinking technology services company dedicated to delivering innovative solutions in application development, website creation, and game design. With expertise…Explore the detailed profile of Jinnbyte

  • 11 to 50

  • $26 - $50

  • Less than - $5000

  • California, USA

ZealousWeb

(1 Reviews)

OPTIMISM AT ITS FINEST

ZealousWeb is a Web & Digital Marketing Agency with the mission of Solving the Unsolved by providing cognitive business solutions to expedite digital transformation. We've come a long way, 19+…Explore the detailed profile of ZealousWeb

DA

It worked our very well for us and we are having a positive experience.

  • 51 to 250

  • $26 - $50

  • Less than - $5000

  • California, USA

Code Craft Crew

Best mobile app development company in USA

Code Craft Crew is the ios app development company in USA that specializes in building fully customizable IT solutions with optimum UI/UX designs to develop your ideas into robust applications after brainstorming…Explore the detailed profile of Code Craft Crew

  • 11 to 50

  • Up to $25

  • $5001 - $10000

  • California, USA

DIGIT BAZAR

(2 Reviews)

PARTNERSHIP & DEVELOPMENT

Digit Bazar IT Solutions Pvt. Ltd. offers full digital marketing, web development, and mobile app development services to start-ups and SMEs. We always strive to offer the best in creative design and…Explore the detailed profile of DIGIT BAZAR

Haimesh

Great team to work with!

  • 51 to 250

  • $51 - $100

  • $5001 - $10000

  • California, USA

Differenz System

We make a difference.

At Differenz System we focus on providing a variety of web and app development solutions that have positively impacted our client's productivity and profitability. Our company is built on the foundation…Explore the detailed profile of Differenz System

  • 51 to 250

  • Up to $25

  • $5001 - $10000

  • California, USA

Programming.com

Programming the Future

Programming.com is a global software solution and digital transformation company delivering innovative digital transformation solutions for startups, enterprises and clients across industries. Collaborating…Explore the detailed profile of Programming.com

  • 1000+

  • Not Disclosed

  • $5001 - $10000

  • California, USA

Uptech

Apps for bold ideas | Mobile & Web developers

Uptech is an international software development company that helps build profitable products with product market fit for companies on Fortune 500, Inc. 5000 lists and fast scale-up teams for technology…Explore the detailed profile of Uptech

  • 51 to 250

  • $26 - $50

  • $10001 - $25000

  • California, USA

IQVIS

(1 Reviews)

Software Development Company

IQVIS is a leading mobile app and software development company that delivers the best in class mobile apps and solutions with a complete check on the lifecycle. We are covering wide areas of services…Explore the detailed profile of IQVIS

Tim

Best Experience with IQVIS

  • 51 to 250

  • $26 - $50

  • Less than - $5000

  • California, USA

LuminoGuru Pvt Ltd.

Top Rated App Development Company

LuminoGuru Pvt Ltd is an IT company founded by 3 developers in 2014 who excelled in their respective fields. We are a strong 60+ member team now comprising Project Managers, Team Leads, Software…Explore the detailed profile of LuminoGuru Pvt Ltd.

  • 51 to 250

  • $26 - $50

  • $5001 - $10000

  • California, USA

111 Minutes

Mobile and Web. Branding, Design, Coding.

We are digital product studio founded in 2007. Our team is passionate about creating mobile apps and websites that people use and fall in love with. We provide growth-oriented services that match needs…Explore the detailed profile of 111 Minutes

  • 11 to 50

  • $26 - $50

  • $10001 - $25000

  • California, USA

In today's digital age, the demand for top-notch mobile and web solutions is skyrocketing. Prowebandapp.com stands out as a premier mobile app development company in the USA, dedicated to transforming…Explore the detailed profile of Pro Web and App

Samuel

I am happy with the application

  • 51 to 250

  • $51 - $100

  • $5001 - $10000

  • California, USA

Zignuts Technolab Pvt. Ltd.

Custom Mobile App And Web Development Company

Zignuts Technolab is a top-rated Web and On-demand Mobile App development company in the USA, Germany, and India. We strive to excel in the invention and development of the industry’s most advanced…Explore the detailed profile of Zignuts Technolab Pvt. Ltd.

  • 51 to 250

  • Up to $25

  • Less than - $5000

  • California, USA

Oshyn is an award-winning web development and digital marketing agency based in California, US. We are a customer-focused and quality-driven IT company serving both small businesses and large companies…Explore the detailed profile of Oshyn

  • 51 to 250

  • $101 - $150

  • $50001 - $100000

  • California, USA

Single Origin Media, LLC

Digital advertising and Design agency in California

Single Origin is a digital advertising and design agency in California that solves the challenges that modern businesses face every day. Founded in January of 2014, Single Origin is managed by Noel Ledesma…Explore the detailed profile of Single Origin Media, LLC

  • 11 to 50

  • $51 - $100

  • $10001 - $25000

  • California, USA

Competenza Innovare

(1 Reviews)

Think Innovative, Deliver Excellence

We are a fast-growing software & mobile app development agency providing highly profitable solutions to our customers all over the world. Small to big, fairly complex to highly complex, our developers…Explore the detailed profile of Competenza Innovare

Rakesh

Trusted mobile app developers

  • 11 to 50

  • Up to $25

  • $5001 - $10000

  • California, USA

Amaze One

Technology & Innovation

Amaze One is the leading Mobile App & Software Development Company in USA. Web Application Development, Digital Marketing, and Creative Design Services are some of the best services at Amaze One in USA.…Explore the detailed profile of Amaze One

  • 51 to 250

  • $26 - $50

  • $5001 - $10000

  • California, USA

Ojas is a Cost Effective IT Services Company with 8 years of rich experience in serving its customers with an excellent team IT Professionals. Ojas is one of the fastest growing companies in India providing…Explore the detailed profile of Ojas Innovative Technologies

  • 251 to 1000

  • Up to $25

  • Less than - $5000

  • California, USA

Distillery

Distillery accelerates innovation through an unyielding

Distillery is a premier nearshore software development firm. At our core, we embed elite AI-enabled senior engineers and agile experts directly into our client’s projects, accelerating velocity…Explore the detailed profile of Distillery

  • 51 to 250

  • $101 - $150

  • $25001 - $50000

  • California, USA

SITSL

(1 Reviews)

CMMI Level 3 Appraised Company

'SITSL is a CMMI Level 3 Appraised, IT Solutions Integrator Cum Consultant Company having presence in over 18 countries.  Our leading-edge and creative digital services have encapsulated numerous…Explore the detailed profile of SITSL

Donald

They delivered unexpected high quality work for my low budget.

  • 51 to 250

  • $26 - $50

  • $5001 - $10000

  • California, USA

MindK

Web and Mobile App Development Company

MindK is a full-stack web and mobile software development company. Our clients are enterprise businesses, independent software vendors and startups, who need scalable custom software solutions. Our key…Explore the detailed profile of MindK

  • 51 to 250

  • Up to $25

  • Less than - $5000

  • California, USA

Left Right Mind is a set of people united by the passion to create unquestionable value. We are strategists, designers, technologists, marketers, and innovators but most importantly, we are guardians…Explore the detailed profile of Left Right Mind

  • 51 to 250

  • $26 - $50

  • $10001 - $25000

  • California, USA

Wanted for Nothing

(5 Reviews)

Wanted for Nothing is a Top Rated Digital Agency based

Wanted for Nothing is a Top Rated digital agency based in Los Angeles that focuses on UX/UI design, web development, custom web applications and e-commerce platforms. Our mission is to develop and design…Explore the detailed profile of Wanted for Nothing

Josh

Awesome UX/ UI work!

  • 11 to 50

  • $51 - $100

  • $5001 - $10000

  • California, USA

DevBrother

Your Software Engineering Family

DevBrother is a boutique company with an individual approach to every collaboration, interested in building strong and long-term partnerships, based on providing the most efficient, productive,…Explore the detailed profile of DevBrother

  • 51 to 250

  • $26 - $50

  • $5001 - $10000

  • California, USA

Appingine

(5 Reviews)

Turning Ideas into Apps, Dreams into Reality.

Appingine is a dynamic and innovative mobile app development company dedicated to delivering cutting-edge solutions in the ever-evolving digital landscape. With a commitment to excellence and a passion…Explore the detailed profile of Appingine

Ava

I had the best experience working with Appingine.

  • 51 to 250

  • $51 - $100

  • $10001 - $25000

  • California, USA

JDM Web Technologies

Digital Marketing company

I am Naveen Kumar, the Head of Marketing of the most trustworthy SEO Company, JDM Web Technologies, is an expert in Google Analytics, Bing Ads, Google Ads, and Woorank Digital Marketing expert certified…Explore the detailed profile of JDM Web Technologies

  • 11 to 50

  • $101 - $150

  • Less than - $5000

  • California, USA

Web Design Lane

Website Design and Development Agency

Web Design Lane is a custom web design agency in San Francisco. Our aim is to provide high-quality and affordable website design services to corporate business entrepreneurs. We have a specialized team…Explore the detailed profile of Web Design Lane

  • 51 to 250

  • $26 - $50

  • Less than - $5000

  • California, USA

Paras Technologies

Delivering Perfection Towards Success

Paras Technologies is a Software development company, established in 2010, successfully serving clients worldwide since then. The company is dedicated to mobile app development (Android, iOS, and cross-platform…Explore the detailed profile of Paras Technologies

  • 51 to 250

  • Up to $25

  • $10001 - $25000

  • California, USA

Tech4biz Solutions

(4 Reviews)

Excellence Guaranteed

Tech4biz is a leading provider of comprehensive IT solutions for businesses of all sizes. We understand that every business has unique IT needs, and we are here to help you find the right solutions for…Explore the detailed profile of Tech4biz Solutions

Logan

Tech4biz Solutions has excelled at project management.

  • 51 to 250

  • $26 - $50

  • $5001 - $10000

  • California, USA

Techrefic Technologies Pvt Ltd

Applying Artificial Intelligence and Data Science to Real

Techrefic Technologies Pvt Ltd is a fast-growing IT company, which uses technologies like big data, artificial intelligence (AI), cloud computing, and robotic process automation (RPA) to redefine the…Explore the detailed profile of Techrefic Technologies Pvt Ltd

Behnam

They demonstrated impressive capabilities!

  • 11 to 50

  • Up to $25

  • Less than - $5000

  • California, USA

CMolds

Uncovering The “Next-Big” Mobile App Together!

CMolds, a top mobile app development company in the US, boards some of the smartest brains in the mobile industry and acquires a proven track record in the iOS and Android app stores. Our creative designers…Explore the detailed profile of CMolds

  • 251 to 1000

  • $51 - $100

  • $10001 - $25000

  • California, USA

Looking for a top mobile app development company in the USA? Our team of experienced developers specializes in creating innovative and user-friendly mobile applications. Contact us today to turn your…Explore the detailed profile of Auspicioussoft

  • 11 to 50

  • Up to $25

  • $5001 - $10000

  • California, USA

Phontinent Technologies

Solutions For Demanding Business

Phontinent Technologies Provides Web app and mobile app development services across the world with effective and efficient services. We have on-demand services like grocery app development, car wash app…Explore the detailed profile of Phontinent Technologies

Amol

Great Project!

  • 11 to 50

  • Up to $25

  • $5001 - $10000

  • California, USA

Xten AV

Audio Video Proposal

At XTEN.AV, find the ideal proposal template, make it your own to meet your demands, and produce proposals that are stunning. All of our audio video proposal templates are fully editable, allowing you…Explore the detailed profile of Xten AV

  • 51 to 250

  • Up to $25

  • Less than - $5000

  • California, USA

Sunvera Software

Software And Mobile App Development in Irvine, CA

Pushing creativity to new heightsSunVera Software creates unique digital experiences for individuals, start-ups, small businesses and Enterprise customers. These experiences span designing and developing…Explore the detailed profile of Sunvera Software

  • 11 to 50

  • $51 - $100

  • $50001 - $100000

  • 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.



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