Top ReactJS Companies in California
Best California ReactJS Web Development Firms
Us being great at product craftsmanship, we're able to avoid surprises and focus on the quality of the software that we deliver. We take challenges out of the way no matter where you are in the journey of validating your idea or scaling your product portfolio.
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$5,000 +
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10 - 49
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$25 - $49 / hr
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US, Irvine
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Across different groups, we have worked with a diverse roster of clients—from early-stage startups to enterprise brands, across a variety of industries and sectors. We continue to use these experiences to expand our knowledge base and develop marketing solutions for dynamic organizations. Our expertise in performance marketing, design, and video production makes us effective, our ability to seamlessly integrate them makes us unique.
Kobe Digital connects growth-focused brands with their target audiences through customized digital experiences and strategies. Our rigorous operational framework, bespoke teams, and full-service approach create powerful force-multiplier effects for our partners. Kobe Digital operates as three distinct groups, each specializing in a distinct marketing discipline. We believe the most creative, impactful work happens when our three groups collaborate, resulting in cohesive solutions for our clients most challenging problems.
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$1,000 +
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10 - 49
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$50 - $99 / hr
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US, Los Angeles
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We are a passionate team of strategists, designers, and developers who love to create sophisticated products. Our work spans a number of different disciplines and industries. We focus on long-term relationships in a calculated pursuit of business goals. Our clients’ success is our success. Our team loves bringing digital ideas to life and building on top of existing ones. Operating at the cutting-edge of technology and design makes the products that we build beautifully robust and impactful.
We are a software development studio specializing in building and supporting bespoke web and mobile applications using modern methods, tools, and workflows. We specialize in writing clean, testable, and structured code using open source tools, technologies, and frameworks. Using design and programming methodologies that emphasize performance and maintainability, we pride ourselves on building beautiful products, both on the outside and underneath the hood. We build and support websites, mobile apps and ecommerce experiences that make an impact. We are a full service software development agency specializing in building and supporting sophisticated digital products using modern methods, tools, and workflows.
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$5,000 +
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10 - 49
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$100 - $149 / hr
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US, Los Angeles
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For more than 10 years on the market, Misha Infotech has been providing comprehensive business solutions, as well as services like mobile app development, web development, e-commerce, and even more. This firm helps various companies grow quickly in different areas.
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$1,000 +
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50 - 249
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< $25 / hr
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US, San Rafael
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Nous is a global software services provider with a presence in 5 continents.
Nous Infosystems is a global product engineering and IT service US-based company. Nous has been delivering technology outsourcing solutions to customers for more than two decades. Nous has achieved the CMMi Level 5 SVC + SSD v1.3 certifications.
Nous offers enterprise application development, maintenance, integration, and legacy app modernization services, product engineering, independent testing, and remote infrastructure management services with deep expertise in competencies in digital (inclusive of digital transformation, digital experience, digital integration services, UX/UI, enterprise mobility consulting, enterprise portals, DevOps, and RPA), cloud computing (inclusive of Azure, AWS, and Salesforce), data analytics and business intelligence solutions (inclusive of data visualization with power bi, data integration and migration, data platform modernization, advanced analytics), software testing (Functional Testing, Test Automation, Performance Testing, Security Testing, and more), IT infrastructure management services (Managed Services, Cloud Automation, ServiceNow implementation, Predictive Monitoring, and more), Microsoft technologies, open source consulting, and agile development services across various industry verticals such as banking and financial services, insurance, healthcare, and retail.
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$5,000 +
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1,000 - 9,999
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$200 - $300 / hr
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US, Pleasanton
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It sll starts with choosing the right team. As much as world focuses on the end result, the first step is always finding the right people. After all, a project is only as good as the team working on it. We are a team of obsessive software maniacs who think, dream and breathe code.
We believe in innovation with simplicity. Great inventions that have changed the world... the wheel, pulley, lever, are all simple ideas.. then why should software development be any different? That is what stands us apart from others. We like to think differently and try to find solutions with simple yet innovative approach. From smartphones to smart homes and cars, we build apps beyond screen sizes and device types. With our unparalleled experience, creative thinking, and comprehensive processes, we help our clients become more competitive and high-performance businesses. If you are looking for just another software development firm or a digital agency, we are probably not a right fit but if you are looking for a technology partner who can share your challenges and work together to make things happen, then we are the right people to get in touch with.
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$5,000 +
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2 - 9
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$50 - $99 / hr
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US, Los Angeles
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$10,000 +
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50 - 249
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$25 - $49 / hr
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US, Los Angeles
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While we’re a smaller company, we service clients all over the world and from all walks of business. We see our size as an advantage because it gives us agility in the marketplace. We’re able to handle self-managed websites for local businesses who want to gain exposure and legitimacy by developing an online presence that represents their brand to large projects involving third-party integrations, large-scale multi-sites, and demanding media needs.
Pixel Jar offers a wide range of custom web development services to help you provide a great online experience for your users. We can take you from ideation through development and into optimization. Building a website is often the start of a bigger journey including social media services, digital marketing, and staged growth. Pixel Jar started in 2004. It grew out of the desire to be free to choose projects that challenge us, work with clients that inspire us, and support our communities. We service clients all over the world and from all walks of business. We’re able to handle self-managed websites for local businesses who want to gain exposure and legitimacy by developing an online presence that represents their brand to large projects involving third-party integrations, large-scale multi-sites, and demanding media needs.
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$10,000 +
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2 - 9
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$150 - $199 / hr
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US, Los Angeles
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RipenApps is a globally renowned, leading, and top-reviewed mobile app development company that has set a new benchmark of mobile innovation and services’ quality in the app market.
RipenApps is a globally renowned, leading, and top-reviewed mobile app development company that has set a new benchmark of mobile innovation and services’ quality in the app market. It was born to build next-gen mobile applications for startups/entrepreneurs and enterprises. Since its inception in 2017, RipenApps has gained a unique position globally with its vast expertise in mobile app development technologies.
It has designed and developed 400+ mobile and web apps, out of which many apps are creating buzz and have become hot-seller (Top Trending and Gigantic download counts) apps on app stores and PlayStore. The company has delivered beyond excellence to almost every industry, including travel, education, dating, healthcare, real estate, enterprise, entertainment, and finance. It has a team of more than 149 highly skilled, experienced, and innovative tech-geeks who have expert knowledge of the tech-market requirements and the potential influence on the latest technologies like Artificial Intelligence, Internet of Things, Chatbots, Beacon technology, Augmented Reality, and Virtual Reality.
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$1,000 +
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50 - 249
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$25 - $49 / hr
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US, Ontario
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Whether you need an app built from scratch, a rescue mission for a product that's FUBAR, or need some extra development muscle for your internal projects, we have talented team members across the USA, Uruguay, and Argentina who are ready to generate the results that matter to you.
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$50,000 +
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50 - 249
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$100 - $149 / hr
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US, West Hollywood
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We Don’t Just Design And Code. We build solutions for your company’s success. We are on a mission to build exclusive, on-demand products and to deliver high-end software development services.
At RTE we help you convert your problems into flexible product solutions with our years of software development experience, innovation, hardware engineering, game development and creativity. We understand that technology is unlikely to provide a competitive advantage on its own. That’s why we provide our clients with senior-level advice to ensure your strategy is future-friendly and scalable. As an agency we also help our clients grow and pr using GaaS (Growth as a Service) consulting to boost their marketing and sales efforts or launching products that fit their market and target audience. We carry businesses from concepts to market-ready brands.
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$25,000 +
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10 - 49
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$100 - $149 / hr
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US, Tustin
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This agency's team provides consulting on digital solutions, as well as web and mobile development services.
Who can become their clients? Any brand with no geographical restrictions. Therefore, no matter what part of the world your company is in, Salted Stone is ready to help develop a solution.
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$10,000 +
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50 - 249
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$100 - $149 / hr
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US, Monrovia
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Scrumteams.us is a firm owned and operated in California, USA. With 60+ satisfied clients, the organization aims to provide highly productive software development scrum teams. Solving real-world problems, we provide high-quality services targeting niches in the IT sector. Providing one solution at a time, ScrumTeams aims to make the world a better place by leveraging cutting-edge technologies.
Scrumteams offer a great form of digital and development services to uplift your business and make it a successful brand. We offer a variety of services such as mobile app development, web app design and development, and social media marketing. Scrumteams is a one-stop solution for your business digitalization over every platform.
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$1,000 +
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50 - 249
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$25 - $49 / hr
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US, Elk Grove
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Siddhi Infosoft has been a leading Web and Mobile app development company in the USA, UK, India, and, Canada for providing digital solutions to every industry sector out there. Founded in 2011, we’ve grown with the digital ecosystem to support every stage of the product life cycle. Our web and mobile app developers strive to deliver a memorable experience and services, that outsells and outshines your competitors online.
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$10,000 +
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10 - 49
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$25 - $49 / hr
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US, San Francisco
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Our service offerings comprise end-to-end customer management solutions, including an array of customer support, call-center, back-office support, virtual assistant, and digital marketing services. As a result, we help businesses deliver superior customer experience, improve customer loyalty, drive incremental revenue growth, maximize operational and organizational efficiency, and save operating costs by managing services on their behalf.
SkyTech Solutions was founded in September 2013 to meet the needs of organizations of all magnitudes, believing that the trend of outsourcing should not only benefit fortune 1000 companies but all businesses that aspire to become more competitive in their respective industries. Therefore, we set out to create a business model that, for the first time, made outsourcing affordable to businesses of any size, and we have successfully done just that. Today, we provide outsourcing servicesong> from our delivery centers in Bangladesh. Our facilities feature an on-site management team working all around the clock, fully redundant voice, data links to the global, enterprise-grade network infrastructure, uninterrupted power solutions, and all of the features of any imposing provider without grandiose cost structures.
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$10,000 +
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250 - 999
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< $25 / hr
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US, Los Angeles
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We are dedicated to constantly pushing our clients agendas and their success forward, always questioning the limits of what an app can achieve. SM Innovations is a Salesforce.com partner, AWS Consulting Network Partners.
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$5,000 +
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10 - 49
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$50 - $99 / hr
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US, Santa Monica
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Our track record of developing software products and applications, business and technical expertise will boost your software project, accelerating your value on the market and minimizing risks. We know how important is to have a reliable and skilled partner in the IT business and we do our best to match our partners` expectations and grow together.
Smart IT is a full-cycle custom software development services provider with a core focus on helping our partners to deal with any technological issues on their way to success. Our mission is to help transform your ideas into market-ready software solutions from the ground up, taking usability, scalability, and customizability into account.
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$50,000 +
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50 - 249
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$25 - $49 / hr
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US, San Francisco
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Our team is made up of professionals who possess impeccable credentials in their respective fields. Smart.exe is more than a group of experts; we are focused on helping companies bring their innovative ideas to the market – our staff is our greatest asset.
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$5,000 +
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50 - 249
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$25 - $49 / hr
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US, Irvine
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Focusing on a long-term partnership lets us get to the very core of the business and assist our clients to create market-dominant products (MAU>1M). We treat every project as it is our own. Our strategy is based on caring and providing exceptional quality regardless of whether our client is a startup or a well-known mature brand.
Solvd, Inc. is a software engineering company focused on Mobile and Web solutions as well as Quality Assurance for VC-backed startups and booming tech companies. Since 2011, we have built applications for a variety of fields including sports, healthcare, education, media, fintech, and logistics also providing a strong expertise in Software Testing in these domains. Depending on the needs and challenges of your business we can quickly scale your Development or QA team with professionals complementing the skill gaps in your staff or provide you with a dedicated team of brightest brains fully devoted to your project.
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$5,000 +
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250 - 999
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$25 - $49 / hr
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US, Roseville
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We are highly competitive, we add value to our clients by serving their best needs individually. Our core values guide how we support our clients at every step of their IT business journey. Our organization has a customer-centric work culture where our clients are our first priority. We work proactively with our clients to offer them the best possible services and solutions for IT-related business challenges.
At TekHqs, we believe that we are different from other IT companies. We are a client-centric organization and our primary focus is always on quality.
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$10,000 +
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50 - 249
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$100 - $149 / hr
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US, Irvine
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We’re prepared to do the heavy lifting—to get projects through the hardest leg of the journey while remaining sensitive to budgetary constraints. We’re well equipped to stand by our word and our commitments so that everyone wins. Talk to our clients.
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$25,000 +
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10 - 49
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$100 - $149 / hr
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US, San Diego
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We focus on designing, tweaking and perfecting a flawless, engaging user experience before a single line of expensive code is written.
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$50,000 +
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2 - 9
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$100 - $149 / hr
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US, Irvine
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We craft individually tailored solutions and partner with clients on everything from large-scale application delivery with full teams to smaller projects supported by specialized experts.
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$50,000 +
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1,000 - 9,999
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$100 - $149 / hr
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US, San Francisco
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We bring to the table not only our technical knowledge, but also experience in researching, building, and launching projects that prosper in their respective markets. That’s why we can guide you through each step of software creation – research, design, and development – and ensure success along the way. We are experts in digital transformation and cutting down inefficiencies.
Vasterra is a client-centric software development company that creates custom digital solutions that bring tangible results. We work in fields like e-commerce, retail, and real estate, helping companies connect with valuable users and customers through reliable software. We also help enterprise companies to streamline their software projects and integrate digital technology into their business. Our first step is always to understand the client’s business objectives. After that, we research and propose a solution that will satisfy their business requirements. In other words – tell us what you want to do, and we’ll tell you how you can best accomplish it.
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$10,000 +
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50 - 249
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$50 - $99 / hr
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US, Los Angeles
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We are a leading software development firm providing digital product strategy, team augmentation, design, and development services to top startups and global enterprises. From hiring top-tier talent and managing tech teams to developing bespoke software, we take the legwork out of building digital products. We help our clients remain agile through every facet of their growth, and in turn, we save them time, money, and countless logistical headaches.
VentureDevs is a leading software development firm providing digital product strategy, team augmentation, design, and development services to top startups and global enterprises. From hiring top-tier talent and managing tech teams to developing bespoke software, we take the legwork out of building digital products. We help our clients remain agile through every facet of their growth. In return, our customized technology solutions have led to four successful exits and helped raise $750mm+ in VC funding.
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$25,000 +
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50 - 249
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$100 - $149 / hr
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US, West Hollywood
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We approach each software development or UI / UX design project with a full service mindset. Collaboration between experts of a wide variety of fields usually leads to pretty great results. We design and develop web services, mobile apps, and embedded systems.
Vincit is the only custom software company who offers its clients a 100% Satisfaction Guarantee. Our 500-employee design, software and strategy company is located in Orange County, Santa Monica and Palo Alto in California, and in Finland. We engineer Mobile Apps, Web Services, and Embedded Systems, and work with companies like GE, Logitech, Nokia, The New York Times, and Yamaha. Ranked first in Europe in the Great Place to Work study, and on Inc. Magazine's Best Workplaces List 2019. We believe that mondays shouldn't suck, that flat company hierarchy is better, and that the best measure of success is client and employee happiness.
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$25,000 +
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250 - 999
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$150 - $199 / hr
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US, Los Angeles
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We specialize in finding clever, innovative solutions for complex business challenges. Our model is designed to scale and adapt alongside your growing business and unique needs. Whether you’re looking for an advertising campaign super-charge or an overhaul for your B2B platform, our team is here to listen and help
Wildebeest is an interactive agency based in Los Angeles, CA. Our clients range from funded startups to Fortune 50 global brands. Our talented team of digital experts works gets in the trenches with our clients to understand unique business challenges and deliver clever solutions. Our capabilities include custom web app design and development, desktop apps (Mac or Windows), mobile apps (iOS and Android), Alexa Skills, Internet of Things, and experiential installations. Our hands-on team of experienced digital marketers, designers, and software engineers imagine and create interactive products of the future.
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$50,000 +
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2 - 9
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$100 - $149 / hr
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US, Los Angeles
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Wonderment Apps builds superior digital products, and offers curated staffing resources for tech, product, and QA. Staff My TeamBuild a Product. We made a commitment to design and develop simple, compelling and functional websites and mobile apps that make digital experiences exciting and engaging. It's about creating a online experience that transforms users into followers and customers into ambassadors.
Wonderment Apps is a digital workshop to tinker in... a nook to inspire innovation. We help digital creators bring to life great digital products. Our blend of speed, quality, and product sensibility allows us to help you at any step of your process. We opened our doors in 2015 and in that time we have worked with over 35 different technology and design clients. The core team at Wonderment Apps has worked on a wide variety of notable projects together and separately for over a decade. These companies include The New York Times, Apple, NASA and Stamps.com to name a few. When we started Wonderment Apps, we placed extensive focus on one key philosophy: create an experience for our customers that brings that look of Wonderment to the eyes.
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$10,000 +
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50 - 249
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$50 - $99 / hr
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US, Los Angeles
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Our digital transformation services are data-driven, but customer-centric, with a focus on strengthening the connection between you and your audience. Xivic has grown from a small technology company to full-service agency because of our commitment to share our knowledge with the world.
Xivic is a team of big thinkers offering the best in digital product development and search experience marketing. With our expertise spanning design and technology, we harness the power of your brand to create products and experiences that elevate your business - from awareness to engagement to revenue. We think things forward, always pushing and seeking out the cutting edge in technology and human experiences to cultivate relationships that matter.
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$10,000 +
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50 - 249
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$100 - $149 / hr
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US, Los Angeles
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Together, we provide custom-built solutions that are tailored to the client’s unique needs. We help them to overcome challenges and celebrate their wins as our own.
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$100,000 +
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250 - 999
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$50 - $99 / hr
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US, Palo Alto
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