Best eCommerce App Development Companies in the California | 2022

We are Magneto. A team of digital commerce experts working with manufacturers, wholesalers and retailers globally, turning ideas into unique customer & content-centric experiences, using a platform-agnostic approach. Since 2010, we have been architecting digital commerce solutions for our clients providing innovative solutions, managing delivery and accelerating the speed at which leading B2B, B2C, D2C and marketplace brands can scale with flexibility their online offerings. We empower enterprises with industry-leading composable commerce solutions through a range of partners which offer PIM, DAM, OMS, MDM, DEM, CRM, CX, omnichannel sales, and marketing business needs. We push ourselves. We push technology. And we push the boundaries of conventional commerce.

Sense7ai is not just redefining talent acquisition and software innovation; we are also committed to leveraging our expertise to support urban and rural skill development, offering opportunities for underserved communities. By offering a synergy of AI-powered recruitment with custom software development finesse, our holistic approach ensures that your staffing strategy and technological infrastructure are not just meeting but pioneering the demands of the ever-evolving business landscape — all while fostering community growth and inclusion.   Specialties Software applications development, Web App, Mobile App, SaaS products, Payment Integration, Website Development, UI UX Designing, AI & ML Model Development, Data Analytics, and Data Engineering & Cloud Solutions Staffing Solutions Development Solutions Web App Development Mobile App Development UI UX Design AI & ML Solutions

Protonshub Technologies is a CMMI Level 5, ISO Certified and Great Place To Work Certified, Custom Software Development Company with the most experienced team of developers working in a variety of technologies like ReactJS, ReactNative, Python, RoR, and much more to produce high-end solutions. Protonshub, a company with more than 5 years of experience, focuses on offering big enterprises innovative solutions that help them increase their revenue. We have worked for top-notch brands like Mahindra, Swaat, Shekunj, Stage, Manyavar, ICICI Bank, 2nite, 1 mg and lot more. Also, Protonshub Technologies is helping many industries like Healthcare, Logistics, Food, Travel, Edtech, and a lot more by providing them with innovative solutions. With the right talent, expertise, and creativity come success, and with Protonshub you get it all. Our USP is defined by our services we offer like:   Mobile App Development Website Development MVP Development UI/UX Development Product Development E-Commerce App Development Dedicated Developers   We sync with your project requirements and deliver the results as per your needs and goals.

Appinventors is a leading Digital Transformation Agency, we empower businesses to thrive in the modern digital world. We specialize in catalyzing growth through innovative digital solutions. Our team of experts harnesses cutting-edge technologies to optimize operations, enhance customer experiences, and drive tangible results. Appinventors is your partner in navigating and conquering the realms of digital transformation. 

SunTec India is a globally recognized IT and data-centric outsourcing company with over 25 years of industry experience. We specialize in a wide range of services, including Data Solutions (for tech platforms, marketing, B2B, and AI/machine learning), eCommerce Support (product data management, UNSPSC data categorization, MRO, and marketing) for leading platforms & marketplaces (Amazon, eBay, Shopify, etc.), Digital Engineering, ePublishing, Photo and Video Editing, and 3D Modeling. Headquartered in New Delhi, India, we proudly serve over 8,500 clients across 50+ countries, including the US, Canada, UK, Australia, Germany, France, Sweden, Norway, Switzerland, and Singapore. With a 95% client retention rate, SunTec India is known for its client-first approach and a hybrid human-in-the-loop model that blends technology with expert human insight—delivering customized, collaborative solutions rather than one-size-fits-all automation. Certifications ISO 9001:2015 & 27001 Certified CMMI Level 3 Certification Microsoft Silver Partner nopCommerce Gold Partner Google Partner Shopify Partner Amazon SPN Partner AWS Partner Amazon Ads Verified Partner Walmart Solution Partner Recognitions Gartner- Top Global Data Validation and Enrichment Vendors Clutch.co - Top 10% Service Providers OA500 - Top 500 global outsourcing providers Clutch.co - Recognized as a global outsourcing leader Consecutive Clutch.co Global & Clutch Champion Winner GoodFirms - Best company to work with SelectedFirms - Top IT Services Company

GKM IT is a leading Software Development Company based in Udaipur, India, delivering cutting-edge digital solutions to startups, SMEs, and enterprises across the globe. Since 2012, GKM IT has specialized in building custom software, mobile applications, web platforms, and scalable cloud infrastructures tailored to unique business needs. With a strong focus on innovation, agility, and client-centric development, GKM IT serves diverse industries including fintech, healthcare, education, logistics, and e-commerce. The company is known for its expert team of developers, transparent project execution, and commitment to quality—evident from its ISO 9001 and ISO 27001 certifications. Whether you're looking to modernize legacy systems, develop a mobile-first product, or launch a full-stack web application, GKM IT offers flexible engagement models and end-to-end support to turn ideas into high-performing digital products.

Digital Services Partner Webfinity Digital Services is a full-service digital marketing agency dedicated to helping businesses enhance their online presence and achieve sustainable growth. With expertise in SEO, web design and development, social media marketing, and more, Webfinity offers tailored strategies to meet each client’s unique needs. Their team focuses on delivering measurable results and high-quality solutions to help clients excel in a competitive digital landscape.

American Webs Master comprises a dedicated team of amazing professionals, trained in design, creative writing, attention to detail, strategic ideas, development, and so on. We work together to elevate your business and take it to the next level. No matter how big or small your business is, we guarantee success for all our clients. We are a full-service digital agency helping you achieve high-impact outcomes. Our team of professionals holds command over many crucial skills needed to make a business strong and successful. We combine our powerful thinking with cutting-edge technology to help you achieve your goals in no time. We can help you increase your business profits significantly in no time via different Digital platform.

Unlock Scalable Success with a Top-Tier IT Partner – Web, Mobile, Custom Apps, Cloud, IoT & ERP Experts Located in Bengaluru, Amazecodes Solution Pvt. Ltd. (ACSL) is a beacon of innovation for businesses worldwide. With over 11 years of proven excellence in end-to-end software development and IT consulting services, ACSL has empowered ambitious startups and large enterprises to navigate digital evolution. We don't just code – we architect transformative digital solutions that deliver measurable ROI, seamless scalability, and unparalleled user experiences. Whether you're seeking custom web application development, mobile app development services, cloud migration strategies, IoT integration solutions, or ERP implementation expertise, our team is your strategic ally in turning visionary ideas into high-impact realities. Founded by cross-functional industry veterans. ACSL embodies a culture of quality, transparency, and business-centric innovation. Our journey began with a simple ethos: bridge the gap between cutting-edge technology and real-world business needs. Today, we've evolved into a full-stack software powerhouse, serving diverse sectors like e-commerce, healthcare, logistics, manufacturing, and education. From conceptualization and prototyping to agile development, rigorous testing, secure deployment, and 24/7 maintenance support, we manage the entire software lifecycle with precision and foresight. Our clients rave about our ability to reduce time-to-market by up to 40%, cut operational costs through intelligent automation, and boost engagement with intuitive, responsive designs. Why ACSL Excels as Your Go-To Software Development Company In a crowded digital landscape, visibility and impact matter. ACSL's approach is laser-focused on driving tangible business growth through technology that's not just functional but future-proof. Here's what sets us apart: Unmatched Expertise in Core Services: Web Application Development: Build responsive, high-performance websites and web apps using modern stacks like React.js, Angular, Node.js, Django, and Laravel. From e-commerce platforms to SaaS tools, we ensure lightning-fast experiences that convert visitors into loyal customers. Mobile Application Development: Native and cross-platform mastery with React Native. Launch iOS/Android apps that engage users on-the-go, integrating push notifications, AR/VR elements, and offline capabilities for fintech apps, health trackers, or delivery services. Custom Application Development: Tailored software solutions designed from scratch to fit your unique workflows. Whether it's CRM customization, inventory management systems, or analytics dashboards, our bespoke apps eliminate inefficiencies and scale effortlessly with your business. Cloud Solutions: Seamless migration and optimization on AWS, Azure, and Google Cloud. We deliver serverless architectures, microservices, and hybrid cloud setups that enhance security, reduce downtime, and enable global accessibility – ideal for startups eyeing international expansion. IoT Solutions: Harness the power of connected devices with edge computing, sensor integration, and real-time data analytics. From smart manufacturing floors to urban mobility systems, our IoT expertise ensures secure, scalable networks that drive predictive maintenance and operational intelligence. ERP Solutions: Streamline your enterprise with customized ERP implementations using Odoo, SAP, or Microsoft Dynamics. We handle everything from module configuration and data migration to user training and ongoing support, transforming fragmented operations into unified, efficient ecosystems. Ready to Elevate Your Digital Game? Partner with ACSL Today Don't let outdated systems or siloed tech hold your business back. At Amazecodes Solution Pvt. Ltd., we're more than a vendor. We're your growth accelerator. Located in Bengaluru but serving the world, let's co-create solutions that propel you ahead. Contact us now for a free 30-minute discovery call: Discuss your project vision, get a tailored roadmap. +91-9742006362 | +91-9886626670

At Peak Ranker LLC, we specialize in helping businesses climb to the top of the digital world. Based in San Diego, California, we offer a full range of development, marketing, and advertising services designed to drive real results. Whether you're a startup or an established business, our expert team delivers custom web solutions including Web & Mobile App Development, WordPress Sites, CRM Systems, and more. Our marketing services are built to grow your brand through SEO, SEM, Social Media Marketing, and Strategic Branding. We also provide ads management across major platforms — including Google Ads, TikTok Ads, and Social Media Ads — to maximize reach and ROI. From optimizing your Google Business Profile to implementing full-scale Website SEO, Peak Ranker LLC is your trusted partner for growth-driven digital success. ? Phone: (510) 689-1911 ? Address: 421 Broadway Apt 3, San Diego, CA 92101 ? Email: support@peakrankerllc.com ? Serving Clients Nationwide

Professional IT Consulting Services to Fuel Innovation and Drive Results. We've successfully delivered 40+ projects across 15+ industries. Our services include UI/UX Design, Web and Mobile App Development, Software Development, SaaS Product Development, and more.

Elsner Technologies Pvt. Ltd. is a leading provider of digital solutions with over 19 years of experience in empowering businesses to thrive in the digital landscape. We specialize in delivering innovative, customized services that drive success and enhance online presence. Our expert team is dedicated to providing solutions tailored to the unique needs of each client. Our Services: eCommerce Development: Comprehensive solutions for platforms like Shopify, Magento, and WooCommerce to create engaging online stores. WordPress Development: Customized websites and themes designed to enhance user experience and functionality. Digital Marketing: Strategies to improve visibility, attract organic traffic, and drive conversions through effective marketing techniques. Zoho Solutions: End-to-end Zoho CRM and application integration to streamline business operations and enhance productivity. WhatsApp Chatbot Integration: Intelligent chatbot solutions that improve customer engagement and streamline communication through WhatsApp. At Elsner Technologies, we are committed to helping businesses achieve their digital goals with innovative solutions and cutting-edge technology.

At Xoance Software & Services, we pride ourselves on being more than just a service provider—we are your dedicated growth and digital transformation partner. Whether you're launching a startup or managing an established enterprise, we deliver customized digital solutions to help your business scale effectively.  Our services include website development, custom software development, DaaS and SaaS solutions, e-commerce development, CMS platforms, and much more.  We offer end-to-end support across your entire digital journey—so you can stay focused on what matters most: growing your business.  Ready to elevate your digital presence? Let’s connect and bring your vision to life. 

Bitcot is an award-winning digital transformation company that leading organizations trust for custom solutions in web, mobile, AI, and automation. Fortune 500s and ambitious startups come to us for one reason: AI-powered software that actually moves the needle. Based in San Diego, California, we deliver end-to-end software development services for startups and enterprises across industries. We have expertise in custom development and integration, workflow automation, low-code tools, cloud migration, SaaS product development, QA testing, and more. With a strong focus on helping businesses drive tangible ROI through the latest advancements in AI and automation, we turn technology into measurable value.  Our team of experienced developers, designers, architects, business analysts, and project managers works closely with clients to understand their unique challenges and accelerate their growth with web and mobile apps.  You can find organizations such as ResMed, Stanford University, and Evolus in our portfolio, and we’ve built trust-based relationships with teams who come back to us project after project. Our clients tell us we're easy to work with because we keep things straightforward and deliver on our promises. Bitcot partners with you to turn complex problems into scalable solutions that push your business forward.  Technology is a tool. Growth is the goal. We deliver both.  

Ayatas is a pioneering technology company and a prominent player in the software development arena with a rich legacy spanning 18 years, making significant strides in the realm of digital solutions and services. Established in 2006, Ayatas has been at the forefront of innovation, consistently delivering cutting-edge solutions to a diverse clientele. With a commitment to excellence and a passion for technology, Ayatas has solidified its position as a trusted partner for businesses seeking comprehensive and tailored digital solutions.

Meta Core is an award-winning digital agency revolutionizing web and app development with high-impact, user-centric solutions. Specializing in AI-driven websites, mobile apps, and digital transformation, they deliver measurable results for clients like SYNLawn, Redefine Meat, and AIG. Their "Brandformance" approach blends intuitive UI/UX, SEO-optimized design, and scalable tech to boost conversions and visibility. With 45 awards in two years, Meta Core excels in competitive markets, though transparency on pricing and tech stacks could enhance appeal. A top pick for businesses seeking innovative digital excellence.

At Code Garage Tech, we simplify your marketing, sales, and customer support with our expert CRM development services. As a leading CRM development company, we offer seamless solutions for customer tracking, purchase history, and contact management.

Radixweb is a global product engineering company enabling digital intelligence through AI, Data, and Cloud innovation. Founded in 2000, we’ve spent over 25 years empowering enterprises and fast-growing startups to engineer intelligent, scalable, and secure software solutions. With 4,200+ projects delivered for 3,000+ clients across 25+ countries, our experts combine deep engineering precision with modern capabilities in Generative AI, Business Intelligence, and Data Analytics to turn complex ideas into measurable business impact. We serve a wide range of industries, including healthcare, fintech, retail, manufacturing, travel, hospitality, and e-commerce, delivering technology that accelerates decisions, optimizes operations, and drives growth. From enterprise modernization and cloud migration to building AI-driven platforms and predictive systems, Radixweb combines innovation with proven delivery. We are a Microsoft Gold Partner, three-time Clutch award winner, and ranked among the top 100 global outsourcing companies by IAOP®, with 97% of revenue coming from repeat clients, reflecting our commitment to client success. At Radixweb, we continue to redefine how businesses build and scale in the era of digital intelligence, creating value-driven partnerships that unlock potential and enable sustainable growth.

Seasia Infotech, a CMMI Level 5 certified software development company, has been delivering innovative solutions for over two decades with the Seasia Agile Model (SAM). Our proprietary SAM, combined with our commitment to leveraging cutting-edge tools and technologies, sets us apart in the market, ensuring we deliver unparalleled value and quality in our software solutions. Here are more reasons to choose Seasia Infotech as your trusted software development partner: Future-Ready Solutions: Our forward-thinking strategies equip your business for future challenges. Data Security Priority: We prioritize rigorous data protection measures to safeguard your sensitive information. Global Talent Pool: Our diverse team of experts from around the world brings a wealth of perspectives and skills. Continuous Learning Culture: We are committed to ongoing education and skill enhancement, ensuring our team remains at the forefront of technology trends, delivering the best to you. Sustainable Practices: We emphasize eco-friendly and sustainable software development methodologies. Beyond software development, our services include: Custom Software Development Mobile App Development (iOS, Android, Cross-Platform) AI & Machine Learning Solutions Web Development (Frontend & Backend) Enterprise Solutions (ERP, CRM, CMS) Cloud Computing & DevOps Blockchain Solutions E-commerce Development IoT Development AR/VR Solutions Cybersecurity & Enterprise Security Data Analytics & Big Data UI/UX Design Quality Engineering & AI-Powered Testing Low-Code/No-Code Development Agentic AI Digital Transformation & Smart Automation Generative AI (Chatbots, Image & Text Generation) DataOps & Governance BPM Automation Document Intelligence With a proven track record working with industry leaders like Harley Davidson, Mahindra, Adani, Flipkart, BD, Assurant, Dr. First, Sumeru, and Massachusetts Medical Society, we consistently deliver solutions that exceed industry standards.

AlphaBOLD is a global leader in next-generation business transformation and consulting. We enable clients all over the US to navigate their digital transformation. With collectively three decades of experience managing the systems and workings of global enterprises, we expertly steer our clients through their digital journey. We do this by enabling the enterprise with Dynamics 365 or Oracle NetSuite core, which helps prioritize the execution of change. We also empower the business with agile digital at scale to deliver unprecedented performance and customer delight. Our always-on learning agenda drives their continuous improvement through building and transferring digital skills, expertise, and ideas from our innovative ecosystem. AlphaBOLD implements Dynamics 365, SharePoint, Power BI, Oracle NetSuite, and many other custom solutions for its customers. From end-to-end digital implementations to planning, design, development, and roll-out of various business applications, BOLDEnthusiasts can deliver it all. AlphaBOLD has developed vertical-specific solutions for Construction, Manufacturing, and Retail companies to help them reach their true potential. AlphaBOLD also offers add-ons that can be installed easily on existing systems and help boost the productivity of an organization significantly. Our add-ons include BOLD-HI, BOLDSync etc.

SDLC CORP – Global Software Development & Digital Innovation Partner Founded in 2015, SDLC CORP is a trusted global technology partner delivering scalable, secure, and future-ready digital solutions. Headquartered in the USA with a presence across the UK, Australia, UAE, India, and Singapore, we empower startups, SMBs, and enterprises to drive digital transformation and business growth. With 500+ projects delivered, a 98% client retention rate, and 200+ certified experts, we are recognized for engineering excellence and measurable business impact. Our full-cycle development services from strategy and design to deployment and support ensure every solution is built to perform in today’s competitive digital landscape. Our Core Offerings Include: Web Development Mobile App Development AI & Machine Learning Solutions Digital Transformation Game Development ERP & CRM Development Odoo Development Blockchain Development Salesforce Development Industries We Serve FinTech • Healthcare • Logistics • E-commerce • Retail • SaaS • Real Estate • Manufacturing Why Choose Us 500+ successful projects across 15+ industries 98% client satisfaction & long-term partnerships Recognized by Clutch, GoodFirms & TechBehemoths Certified experts in AI, Blockchain, Cloud, ERP & App Development Agile methodology ensuring transparency & faster time-to-market Our Approach From idea validation to post-launch growth, we act as a long-term technology partner delivering secure, scalable, and ROI-driven solutions. Every project is designed to help businesses reduce costs, scale faster, and achieve sustainable growth. Let’s build your next big idea — contact us today!