Our expert analysts have ranked the best eCommerce development companies in California that build intuitive online stores to help you turn visitors into paying customers. Filter them by portfolios, budget, client reviews, industry reputation and more to find the right fit for your brand.
Best California eCommerce Development Agency Rankings
4 Companies-Rankings updated: September 05, 2026
Every agency on DesignRush meets evaluation criteria around expertise and client feedback to empower informed choices. Some listings include paid partnerships.
VerifiedVerified by the DesignRush team for authenticity and credibility.
Build Intelligent Apps for Web, Mobile, Data, AI and Cloud
When organizations need intelligent eCommerce platforms that scale, Azumo builds web and mobile applications using React, Next.js, Node.js, and AWS or Azure infrastructure. Based in San Francisco with a decade of AI development expertise, the firm serves global clients including Facebook, Omnicom, and United...
Top Services:
AI Development
Software Development
Staff Augmentation
Mobile App Development
Big Data Analytics
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Location
San Francisco, California
Number of Employees
100 - 249
Average Hourly Rate
$55/hr
Minimal Budget
$50,000 & Up
Portfolios Count
9 Projects Listed
Azumo Services
AI Development
Software Development
Staff Augmentation
Mobile App Development
Big Data Analytics
DevOps Consulting
Cloud Consulting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Discovery Channel
Meta
Zynga
Jostens
Assembled Brands
NGL
NCSoft
Twitter
Horoscope.com
Bento
Data sourced from the agency's DesignRush profile
Azumo Reviews & Testimonials
Michael S.
Director at Software Development Company
5.0★
Software Development Review from Michael S.
We selected Azumo to develop our software. We transitioned from another development company, so Azumo was initially responsible for migrating our existing code and environments. We are currently still working with Azumo as our nearshore software development team on adding new items to our software.
Anonymous
CTO at Healthcare Company
5.0★
UI/UX Design Review from Anonymous
Azumo helped us migrate our existing UIs into a new framework, creating reusable components and the infrastructure needed for future development. The developer they assigned became a seamless part of our team, always punctual, responsive, and a great fit overall.
Anonymous
VP Product & Engineering at Sales & Mktg Software Company
5.0★
Software Development Review from Anonymous
Thanks to Azumo’s work, our product is now more scalable, optimized, and ready for a growing user base. Their team has managed the engagement effectively, keeping us updated and addressing any challenges along the way. We’ve appreciated their constant availability and proactive communication.
Reviews verified by DesignRush and sourced from the agency's profile
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eCommerce development experts and Certified Magento Agency with offices in Orange County, Austin and Los Angeles. Brandastic helps ecommerce platform businesses growth with a full spectrum of services from SEO, PPC to web design and development. Also, featured in media outlets such as Yahoo Finance, USA Today...
Top Services:
Web Design
WordPress Website Design
eCommerce Development
Web Development
UI/UX Design
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Location
Orange County, California
Number of Employees
Under 49
Average Hourly Rate
$180/hr
Minimal Budget
$50,000 & Up
Portfolios Count
3 Projects Listed
Brandastic Services
Web Design
WordPress Website Design
eCommerce Development
Web Development
UI/UX Design
Branding
Video Production
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Kingston Technology
Hampton Inn
Girls Scouts
Pioneer Electronics
USC
Data sourced from the agency's DesignRush profile
Brandastic Reviews & Testimonials
Jordan Nassie
President at 1Billion.org
5.0★
eCommerce Development Review from Jordan Nassie
Brandastic.com and their team have done an exceptional job on my various websites projects and other marketing campaigns I have launched. Every person on their team is skilled, professional and has great communication. They helped me do a Photoshoot for my e-commerce products. When I needed custom development for a new feature on my non-profit website they did everything I envisioned. I will continue to work with Brandastic in the future.
David Lee
Review from Google
5.0★
David Lee's Review Sourced from Google
Working with Brandastic to build our businesses website was a seamless experience. As a legal professional, I needed a site that was not only visually impressive but also technically sound for SEO.
Their team excels at WordPress development and truly understands how to translate complex service offerings into a user-friendly interface.
Since launching, we’ve seen a noticeable improvement in our digital presence. If you’re looking for a top-tier digital marketing agency in Orange County, I highly recommend Justin / Sandy and the rest of the Brandastic team
Austin Hunter
Review from Google
5.0★
Austin Hunter's Review Sourced from Google
Justin and the Brandastic team are great to work with. Communication and planning is A tier. Looking forward to working with them for a long time
Reviews verified by DesignRush and sourced from the agency's profile
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We are a product development studio for innovators, specializing in B2B SaaS platforms for productivity, analytics, marketing, sales, and engineering. We work with serial entrepreneurs, startup founders, and CTOs at industrial enterprises to create time through innovative products...
Top Services:
Web Development
Mobile App Development
CRM Consulting
ECM Consulting
IT Services
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Location
San Francisco, California
Number of Employees
Under 49
Average Hourly Rate
$60/hr
Minimal Budget
$50,000 & Up
Portfolios Count
14 Projects Listed
Gearheart IO Services
Web Development
Mobile App Development
CRM Consulting
ECM Consulting
IT Services
DevOps Consulting
eCommerce Development
Software Development
AI Development
IoT
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
VerifiedVerified by the DesignRush team for authenticity and credibility.Award WinnerRecipient of a Best Design Award for outstanding work.
Digital Evolution For Business
Leading brands turn to us at pivotal moments of digital evolution. Our global creative team fuses story, technology, and design to make experiences that captivate and convert. Our web design agency helps enterprise brands and market leaders navigate digital, evolve profitably, and launch unforgettable...
Top Services:
Product Design
UI/UX Design
Web Development
Web Design
Digital Marketing
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Location
Manhattan Beach, California
Number of Employees
Under 49
Average Hourly Rate
$165/hr
Minimal Budget
$50,000 & Up
Portfolios Count
2 Projects Listed
Isadora Digital Agency Services
Product Design
UI/UX Design
Web Development
Web Design
Digital Marketing
Branding
eCommerce Development
PPC
WordPress Website Design
Digital Strategy
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
News Corp
Razor USA
The Honest Company
Gartner
Logitech
Texas State Technical College
Live Nation
Kelley Blue Book
TravelStore
Brookfield Residential
Data sourced from the agency's DesignRush profile
Isadora Digital Agency Reviews & Testimonials
Michele DiRocco
Review from Google
5.0★
Michele DiRocco's Review Sourced from Google
The team at Isadora Agency is phenomenal to work with. They listened to our needs, addressed any questions quickly yet thoroughly, and made great recommendations throughout each phase of the project. They are incredibly transparent, responsive, and organized, which kept all deliverables of the project on-time and within budget. We felt the success of our project was a top priority for the team at Isadora Agency, which was woven throughout every deliverable.
Aimee Brierly
Review from Google
5.0★
Aimee Brierly's Review Sourced from Google
I have worked with Isadora Digital Agency across multiple projects including a full website redesign to providing ongoing support to for various digital projects. In each capacity I have found the entire team to be responsive, collaborative, and professional. They come prepared with new ideas and are always willing to try to find ways to advance our digital needs. I highly recommend.
Roberto Aponte
Review from Google
5.0★
Roberto Aponte's Review Sourced from Google
I am thoroughly pleased with your companies ability to deliver an exceptional working relationship that has lead to an eloquently executed client experience. Isadora Digital Agency took a much-needed concierge approach to our relationship and helped us define our goals as well as align the expectations of the officers of our company. Our needs and vision were sophisticated but you helped us to achieve our vision through a multitude of legal and compliance challenges while still creating a warm and textured environment for our clients to engage with us. There have been multiple occasions the agency has gone exceptionally above and beyond to make this project a success – had we partnered with some of the other 9 design companies we were engaged with, I don’t feel confident that they would have provided the white glove service that we received from your firm. Let me summarize: Isadora delivers enterprise style service and results with the client engagement and human interaction of a boutique firm.
Reviews verified by DesignRush and sourced from the agency's profile
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