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 04, 2026
All agencies are evaluated on DesignRush for demonstrated expertise and authentic client reviews to support your decision. Certain placements are paid.
MAK E-Partners is a full-service ecommerce growth agency helping brands to launch, optimize and scale on Shopify and Amazon through expert account managment, storefront development, compliance and data-driven advertising...
Top Services:
eCommerce Development
Location
Irvine, California
Number of Employees
Under 49
Minimal Budget
Under $1,000
MAK E-Partners Services
eCommerce Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Appicoders builds high-performance mobile and web applications designed to accelerate business growth. With expertise in strategy, design, and development, we create scalable digital experiences that drive engagement and deliver measurable results...
Top Services:
Digital Services
Branding
eCommerce Development
IoT
AI Development
Show more
Location
San Francisco, California
Number of Employees
100 - 249
Average Hourly Rate
$100/hr
Minimal Budget
Under $1,000
Portfolios Count
1 Project Listed
Appicoders Services
Digital Services
Branding
eCommerce Development
IoT
AI Development
Mobile App Development
CRM Consulting
ERP Consulting
Staff Augmentation
IT Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
At DevTable, we're not your average digital marketing agency; we're your online sidekicks, the masters of web magic! Our mission is to supercharge your brand and make it shine in the digital universe, employing creativity, innovation, and smart strategies tailored just for you...
Top Services:
Web Design
eCommerce Development
Web Development
WordPress Website Design
SEO
Show more
Location
Simi Valley, California
Number of Employees
Under 49
Average Hourly Rate
$36/hr
Minimal Budget
Under $1,000
DevTable Services
Web Design
eCommerce Development
Web Development
WordPress Website Design
SEO
PPC
Digital Marketing
Social Media Marketing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Error Sync is a digital marketing and IT solutions agency delivering a comprehensive range of services, including web development, search engine optimization, cloud infrastructure support, business email configuration, and online advertising. Through its integrated and technology-driven approach, the agency...
Top Services:
Digital Marketing
Web Development
Social Media Marketing
PPC
SEO
Show more
Location
Los Angeles, California
Number of Employees
Under 49
Average Hourly Rate
$10/hr
Minimal Budget
Under $1,000
Portfolios Count
1 Project Listed
Error Sync Services
Digital Marketing
Web Development
Social Media Marketing
PPC
SEO
eCommerce Development
AI Development
Content Marketing
Software Development
Cloud Consulting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Energy Solutions
Rearoma
Custom Sneakers
The Keister Shaving
Sanda Beauty
Data sourced from the agency's DesignRush profile
Error Sync Reviews & Testimonials
Noor Nasoor
Review from Google
5.0★
Noor Nasoor's Review Sourced from Google
We approached Error Sync with a challenging requirement: consolidating highly diverse services into one professional, user-friendly website.
Error Sync delivered excellence across the board. They provided strategic clarity by segmenting our six specialized service lines perfectly, which immediately streamlined lead generation and reduced bounce rates. The final design is modern, fully responsive, and projects the high level of professionalism our clients expect in the UAE market.
Our website is now an operational asset, not just a brochure. If you run a multi-service business in the GCC region and need a web partner who combines technical expertise with deep business understanding, choose Error Sync. Highly recommended—a truly error-free experience!
Mohammad Rakib Uddin
CEO - Noor Al Nasoor
Jayed Bin Taher
Review from Google
5.0★
Jayed Bin Taher's Review Sourced from Google
I worked with Error Sync for a small project and honestly the experience was great. They listened to my requirements properly, gave suggestions, and delivered exactly what I needed. Communication was smooth and the team was very friendly. I’m really satisfied with their service.
Omar 21
Review from Google
5.0★
Omar 21's Review Sourced from Google
“I took digital marketing support from Error Sync and got a really good outcome. They know what they’re doing and guide you properly. The team is responsive and always ready to help. I’m happy with their service.”
Reviews verified by DesignRush and sourced from the agency's profile
View All Reviews