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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 31 March, 2025
Hire experienced and seasoned Developers skilled in Ruby
Square63 is a globally trusted web and mobile application development company for startups, enterprises and tech teams. From strategy to design, development, and maintenance, we provide end to end IT…Explore the detailed profile of Square63
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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
Revolutionising Industrial Marketing for B2B Growth
Fileroom is a B2B industrial marketing and digital growth agency, as well as a HubSpot Platinum Partner, with offices in Australia and the USA. We are passionate about supporting people and organisations…Explore the detailed profile of File Room Pty Ltd
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11 to 50
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$51 - $100
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Less than - $5000
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California, USA
Best Custom Software Development Company
Albiorix Technology, an India-based software development company headquartered in Ahmedabad with sales offices in the USA and Australia, specializes in delivering exceptional results using JavaScript…Explore the detailed profile of Albiorix Technology Pvt. Ltd.
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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
Exclusive Technology Partner for Startups.
Talentica Software is a technology partner with an extensive focus on VC-backed startups and high-growth companies. In the last 18 years, we have successfully empowered 170+ tech companies by developing…Explore the detailed profile of Talentica Software
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251 to 1000
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$26 - $50
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$25001 - $50000
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California, USA
Empowering IT Solutions
Custom software, web development and IT business solutions provider company US, 18+ years’ experience in building mobile, cloud & web solutions. AllianceTek provides onshore client service and…Explore the detailed profile of AllianceTek Inc.
Their team ensured a solid project management experience.
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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
Net Solutions is a strategic design & development consultancy that unites creative design thinking with agile software development under one expert roof. Founded in 2000, we create award-winning transformative…Explore the detailed profile of Net Solutions
Communicative and collaborative team!
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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
Marketplace development, RoR, Node.js, React
Syndicode is the trustful digital transformation partner that will take care of every aspect of the business - from product development and delivery to maintenance and marketing promotion. We make customers’…Explore the detailed profile of Syndicode
Quality Ruby on Rails development in Ukraine
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51 to 250
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$51 - $100
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$50001 - $100000
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California, USA
You Think It, We Build It
TOPS Infosolutions is a leading offshore outsourcing Mobile and Web App development company with expertise in building AI-powered business intelligence solutions for various business verticals. We offer…Explore the detailed profile of TOPS Infosolutions Pvt. Ltd.
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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
Sigma Software is a trusted IT partner that has been providing comprehensive software solutions to various businesses. Our experts use a lean product development approach shortening your product time-to-market.…Explore the detailed profile of Sigma Software
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1000+
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$101 - $150
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$50001 - $100000
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California, USA
Web design and development company
Evrone is a reliable IT company successfully delivering high-quality digital solutions for more than 10 years. Our team of 50+ developers is highly-skilled and proficient in developing solutions for a…Explore the detailed profile of Evrone
Evrone helped us with redesigning and developing our website!
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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
UX/UI design, Web & Mobile Development, Ruby on Rails,
Rademade is a part of a group of companies Iternal. Iternal Group is a reliable IT vendor for complex software solutions. ITernal was originated in 2019 as a merger of three IT outsource…Explore the detailed profile of Rademade
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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
Custom Software & Web Development to fuel your growth.
We offer custom development that follows fast, reliable, and technical debt-free processes to ensure companies can scale without technology getting in the way. That is what we call seamless technology.…Explore the detailed profile of Imaginary Cloud
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51 to 250
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$51 - $100
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$50001 - $100000
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California, USA
Silicon Valley's Top Web and Mobile App Development Company
SDI is Silicon Valley’s top web and app development company building apps for a vast range of platforms and devices with offices in Melbourne and India. We deliver quality assured services in iPhone…Explore the detailed profile of Software Developers Inc
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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
Ecommerce solutions that maximize your benefits.
NEKLO is a global software development provider with over 15 years of professional experience. We launch ecommerce projects that help businesses in maintaining a strong online presence and in maximizing…Explore the detailed profile of NEKLO LLC
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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
The Last Technology Partner You'II Ever Need.
Synoptek delivers accelerated business results through advisory led transformative systems integration and managed services. We partner with organizations worldwide to help them navigate the ever-changing…Explore the detailed profile of Synoptek
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1000+
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$101 - $150
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$50001 - $100000
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California, USA
A3Logics is an IT industry leader in digital transformation whether it is creating custom mobile apps or AI-powered software that allows businesses to thrive in the digital landscape. For over…Explore the detailed profile of A3Logics
Exceptional project management skills!
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251 to 1000
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$26 - $50
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$25001 - $50000
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California, USA
Simplifying Lives with delightful digital experiences
Robosoftin is a leading mobile app development company that develops agile mobile apps for almost every business sector. Powered by the latest technology, our mobile applications are user-friendly and…Explore the detailed profile of Robosoft Technologies
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251 to 1000
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$51 - $100
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$50001 - $100000
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California, USA
Ideas to Results
Artjoker Software an award-winning, full-service design and development agency with offices in USA and Ukraine, and a client base stretching across the world. We help startups to achieve their business…Explore the detailed profile of Artjoker Software
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11 to 50
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$26 - $50
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Less than - $5000
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California, USA
See Beyond, Rise Above
We are a reliable partner for Digital Engineering and Enterprise Modernization services. Our team has extensive technical expertise and industry knowledge that helps our clients stay ahead of the curve…Explore the detailed profile of Persistent Systems
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1000+
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$151 - $200
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More - than
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California, USA
The leader in no-code development
AirDev is a software development agency based in San Francisco that specializes in building powerful custom web applications in a fraction of time, cost, and effort of traditional agencies. We do so through…Explore the detailed profile of Airdev
Satisfied with the service offered by Airdev
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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
Big Drop is a digital marketing and web development firm with offices spread across Los Angeles, New York, Miami, and even Europe. We create cutting-edge digital experiences in web design, web development,…Explore the detailed profile of Big Drop
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51 to 250
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$26 - $50
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$50001 - $100000
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California, USA
We Provide Graphic Design Services Differently
Graphic Design Eye offers to save money up to 50% for our clients. It gets the best service of Graphic Design, Logo Design, Clipping Path, Photo Retouching, and many other services related to your requirements…Explore the detailed profile of Graphic Design Eye
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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
Litslink renders solutions in Web & Mobile Development,
LITSLINK— a distinguished US-based software development company—is proud to deliver superior IT services to a global clientele of over 300 customers. Our diverse expertise spans: software…Explore the detailed profile of Litslink
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251 to 1000
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$51 - $100
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$10001 - $25000
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California, USA
Cleveroad is the top end-to-end software development company. We create web and mobile products from scratch, set up marketing plans, and provide continuous support services. We follow the Agile methodologies,…Explore the detailed profile of Cleveroad
GS
Communication with the team is very high-level.
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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
A boutique software and app development company working from offices in LA and NY, Goji labs was founded back in 2014 by two young college friends with amazing ideas for digital products. Goji Labs believes…Explore the detailed profile of Goji Labs
Impressive project management skills.
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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
Transform Your Ideas into Innovative Solutions
Clavax is a leading web and mobile application development company headquartered in California to deliver the best-in-class solutions. With the vision to serve more users across the globe, we also have…Explore the detailed profile of Clavax
They have been a proactive and dependable development partner.
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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
Custom Software Solutions and Cloud Computing
Altoros is a top-rated software services provider of advanced enterprise-grade solutions. We help companies to prototype, develop, and integrate innovative software solutions that suit their specific…Explore the detailed profile of Altoros
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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
'GO-TO' TECHNOLOGY PARTNER
Ace Infoway, with over 24+ years of expertise in a wide range of IT Services, is an unstoppable force! We have global reach, with teams and resources in the USA, UK, Australia, and India. Over the years,…Explore the detailed profile of Ace Infoway
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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
Award wining digital marketing services since 2011.
Sunlight Media is a renowned website and mobile app development firm located in downtown Los Angeles. The company's services include web design, mobile app development, graphic design, and digital…Explore the detailed profile of Sunlight Media LLC
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2 to 10
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$51 - $100
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Less than - $5000
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California, USA
Your Strategic Software Development Partner
MEV helps your business win with teams, technology, and product leadership. Our agile software development teams help SMBs and start-ups expand their capacity and capabilities. MEV configures staff and…Explore the detailed profile of MEV
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51 to 250
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$51 - $100
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$50001 - $100000
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California, USA
Digital Mastery, Delivered by Bird
Bird Marketing, a distinguished digital marketing agency, is highly acclaimed for its cutting-edge web development services. Our global operations, spanning London, New York, and Dubai, are a testament…Explore the detailed profile of Bird Marketing
Great experience with out website redesign
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11 to 50
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$101 - $150
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Less than - $5000
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California, USA
Bringing Awesome Ideas to Life
Working diligently in the world of technology to assist firms, enterprises, and organizations around the globe to manage business operations more efficiently and effectively, Closeloop has been in operations…Explore the detailed profile of Closeloop Technologies
We achieved remarkable outcomes due to their constant efforts.
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51 to 250
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$26 - $50
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$50001 - $100000
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California, USA
Top Software and Blockchain Development Company
SotaTek is a part of Sota Holdings, a global Software Development as a Service (SDaaS), IT Outsourcing & Consulting group. We provide sustainable Software Development (Web/App/Game), Blockchain, AI…Explore the detailed profile of SotaTek
GREAT GLOBAL SOFTWARE DEVELOPMENT AS A SERVICE CORPORATION
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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
With offices in New York, San Francisco, and London, Beyond is a leading design and technology agency. We help our clients throughout the digital journey by improving customer experiences, powering product-driven…Explore the detailed profile of Beyond
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51 to 250
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Up to $25
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$10001 - $25000
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California, USA
A CMMI Level 5 Company
Established in 2000, SEASIA INFOTECH proudly serves as a leading provider of IT consulting and software development services, headquartered in India. With a comprehensive suite of services including enterprise…Explore the detailed profile of Seasia Infotech
They’re excellent programmers and know how to come up with innovative solutions that meet our ultimate goals.
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251 to 1000
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Up to $25
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Less than - $5000
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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.