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Top eCommerce Development Companies in California - September, 2026 | RightFirms

Are you looking for top eCommerce development companies in California?

If you are a business owner and want to develop an eCommerce website, then eCommerce development companies in California will help you with that. These companies have the experience of producing high-quality eCommerce websites. They will help you build your website and guide you through it in terms of functionality, design, performance and other aspects.

To find a trustworthy partner for eCommerce website development, RightFirms has compiled a list of California-based top eCommerce development agencies. Use this list to select companies according to available options like company portfolio, market experience, hourly rate, etc.

Last updated: Sep 30, 2026

Top eCommerce Development Companies in California | Top eCommerce Developers in California
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AI Powered Metaverse Development Company

3.9★★★★★3.9 / 5
Employees51 to 250
Avg. hourly rate$26 - $50 /hr
Focus AreaE-Commerce Development
LocationIndia

BidBits is an ISO-certified leader in AI-powered Metaverse development, delivering 750+ projects with a team of 100+ developers and 50+ experts. We provide advanced solutions in AI Metaverse development, Web3, blockchain, smart contracts, DeFi, NFTs, AR/VR, gaming, and AI trading bots. Trusted by entrepreneurs across industries, BidBits delivers secure, scalable, and innovative solutions that turn visions into reality.Read More About BidBits

Combining software development with the latest AI

3.9★★★★★3.9 / 5
Employees51 to 250
Avg. hourly rate$51 - $100 /hr
Focus AreaE-Commerce Development
LocationUSA, Australia

Global software development company crafting secure AI-enabled solutions. Read More About Scopic

Technology Partner for innovators!

3.9★★★★★3.9 / 5
Employees251 to 1000
Avg. hourly rate$26 - $50 /hr
Focus AreaE-Commerce Development
LocationUSA

InvoZone, since 2014, accelerates digital product development for businesses and startups. Our services include resource augmentation, project establishment, web/mobile app development, cybersecurity, AI/ML, DevOps, blockchain, game development, MVP, and ERP development. Partnering with us fuels your growth, scales your business, and builds sustainable infrastructure. With expertise in AI, blockchain, and more, we boast 300+ projects, 97% customer satisfaction, and numerous industry accolades.Read More About InvoZone

Teknoverse is a software and mobile app development company

3.9★★★★★3.9 / 5
Employees2 to 10
Avg. hourly rate$51 - $100 /hr
Focus AreaE-Commerce Development
LocationUSA

Teknoverse is a software and mobile app development company with a world-class team of talented data scientists, developers, designers, mathematicians, engineers, and creative artists. We are motivated to build elegant and functional digital products that solve complex problems.Read More About TeknoVerse

Empowering Businesses

3.8★★★★★3.8 / 5
Employees11 to 50
Avg. hourly rate< $25 /hr
Focus AreaE-Commerce Development
LocationIndia, USA

We’re a leading IT solutions company with offices in Jaipur, Gurugram, Dubai, and the USA. Our mission is simple: we help businesses thrive by delivering innovative software solutions tailored to their unique needs.Read More About Extern Labs Inc.

Custom Software Development Company in USA

3.7★★★★★3.7 / 5
Employees11 to 50
Avg. hourly rate< $25 /hr
Focus AreaE-Commerce Development
LocationUSA

eComStreet is a Top Web and Custom Software Development Company in USA, dedicated to delivering innovative digital solutions that drive business growth. Read More About eComStreet

Build Smarter. Scale Faster with AI & Custom Software

3.5★★★★★3.5 / 5
Employees11 to 50
Avg. hourly rate$51 - $100 /hr
Focus AreaE-Commerce Development
LocationIndia, USA

Intellosoft Infotech is a custom software development company delivering AI, ERP, web and mobile app development, cloud, DevOps, and IT consulting services. With 10+ years of experience and 100+ projects delivered, we help startups and enterprises build scalable, secure, and business-focused digital solutions.Read More About Intellosoft Infotech

Engineering Digital Excellence

3.5★★★★★3.5 / 5
Employees51 to 250
Avg. hourly rate$51 - $100 /hr
Focus AreaE-Commerce Development
LocationUSA

AppVertices is a leading mobile app development company dedicated to creating innovative, high-quality, and scalable mobile solutions With a team of skilled professionals, AppVertices specializes in designing user-friendly and feature-rich apps tailored to diverse industries. By combining creativity, advanced technology, and deep industry knowledge , the company ensures every project delivers value, engages users, and drives long-term success for its clients.Read More About Appvertices

Since 1989. For millions of users.

3.4★★★★★3.4 / 5
Employees251 to 1000
Avg. hourly rate$51 - $100 /hr
Focus AreaE-Commerce Development
LocationUSA, Lithuania

A software development company with 35 years of business excellence, we can engineer reliable, scalable and secure software solutions for any OS, browser and device. We bring together deep industry expertise and the latest IT advancements to deliver custom solutions and products that perfectly fit the needs and behavior of their users.Read More About ScienceSoft

Best Mobile App Development Company

4.0★★★★★4.0 / 5
Employees251 to 1000
Avg. hourly rate$26 - $50 /hr
Focus AreaE-Commerce Development
LocationUSA

Zazz is a leading American mobile app development company with a team of 275+ software engineers and designers dedicated to building and maintaining mobile and web applications and government apps. They have a strong track record of innovation in software design and development, having worked with numerous VC-backed startups, government agencies, and Fortune 500 companies.Read More About Zazz

Enabling Digital Transformation

3.5★★★★★3.5 / 5
Employees51 to 250
Avg. hourly rate$26 - $50 /hr
Focus AreaE-Commerce Development
LocationIndia

DataInfa is a platinum Informatica partner & works with ETL - MDM (Data Governance, Data Engineering, Big Data etc.) We assist with Reltio, Syndigo, GCP, AWS/Azure, Salesforce, MuleSoft, Oracle, SAP, AI/ML/NLP, .Net, PowerBI, Java, Python etc.Read More About DATAINFA solution Pvt ltd

Peiko
RightFirms reviewed this company’s profile, work, reviews, clientele, and public trust signals.

AI | Web3 Development | Blockchain solutions | Web & Mobile

5.0★★★★★5.0 / 5(16 reviews)
Online
Employees51 to 250
Avg. hourly rate$26 - $50 /hr
Focus AreaE-Commerce Development
LocationEstonia, USA

We have been providing startups and big brands with the opportunity to develop and achieve good results, to get additional profit with the help of technological solutions and business tools developed by our company. Our services: • Blockchain solutions • AI Development • Web3 Experts • Web & Mobile Development • Discovery Phase in 2-5 weeks • UI/UX Design • MVP for startups • Staff Augmentation Contact us at hello@peiko.space to discuss your project!Read More About Peiko

5.0

“Strategic Engineering and Product Mastery in RWA Tokenization”

Sebastian MillerVerified review
Vention
RightFirms reviewed this company’s profile, work, reviews, clientele, and public trust signals.

Engineering Peace of Mind

4.9★★★★★4.9 / 5(13 reviews)
Online
Employees1001 to 10,000
Avg. hourly rate$51 - $100 /hr
Focus AreaE-Commerce Development
LocationUSA, UK

Vention is a leading software development company with over 20 years of experience. The company has empowered SaaS startups, product companies, and global tech leaders by delivering solutions in AI/ML, cloud computing, data analytics, DevOps, IoT, mobile, and web development. With 3,000+ engineers worldwide, Vention provides teams in aligned time zones, ensuring seamless collaboration and project success.Read More About Vention

5.0

“Mobile App Dev for Sports Tracking Platform”

Brent Varrall, Founder

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