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
15 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
MakkPress Technologies is an eCommerce consulting and services firm specifically focused on helping D2C brands understand how to grow their brand successfully online...
Top Services:
Web Design
eCommerce Development
SEO
eCommerce
PPC
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Location
Aliso Viejo, California
Number of Employees
50 - 99
Average Hourly Rate
$30/hr
Minimal Budget
Under $1,000
Portfolios Count
8 Projects Listed
Makkpress Technologies Services
Web Design
eCommerce Development
SEO
eCommerce
PPC
CRO
Social Media Marketing
Web Development
Digital Marketing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Boka
Villa de Amore
Giant Teddy
Tenergy Power
EYRACURE
Epharmacy.net
Mister SFC
Hikki.se
Scrubbers Dog Wash
Doggy Friend
Data sourced from the agency's DesignRush profile
Makkpress Technologies Reviews & Testimonials
Ray Khosravi
Review from Google
5.0★
Ray Khosravi's Review Sourced from Google
MakkPress Technologies send us a complete CRO audit report of the various issues that are affecting the performance of our website. We are able to improve the user interface of our website by working on the same issues. As a result, our website traffic increase and we were able to convert our visitors into customers.
Reviews verified by DesignRush and sourced from the agency's profile
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Ecomva provides virtual assistant services and e-commerce SEO services to help businesses grow online. Our team of experienced virtual assistants can help you with a variety of tasks, including customer service, social media management, email marketing, and more...
Top Services:
BPO
eCommerce Development
Digital Marketing
Web Design
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Location
Fremont, California
Number of Employees
50 - 99
Average Hourly Rate
$10/hr
Minimal Budget
Under $1,000
Portfolios Count
3 Projects Listed
EcomVA Services
BPO
eCommerce Development
Digital Marketing
Web Design
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
CASA39
Grillsymbol
Lificom
APT Media
Everyday-Needs-Distribution
ladydivascloset
Keyzone
Artwalk tile
loverocksny
Data sourced from the agency's DesignRush profile
EcomVA Reviews & Testimonials
J P
Review from Google
3.0★
J P's Review Sourced from Google
They did very poorly on helping my business. They did give us a refund after a few weeks, so that was great.
Reviews verified by DesignRush and sourced from the agency's profile
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We Design Develop Host & Maintain Your Online Presence
XWebAgency, Your trusted web agency. We offer website design, web development, SEO services, digital marketing, and e-commerce solutions to help your business grow online...
Top Services:
Digital Marketing
Mobile App Development
Web Design
SEO
eCommerce Development
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Location
Desert Hot Springs, California
Number of Employees
Under 49
Average Hourly Rate
$55/hr
Minimal Budget
Under $1,000
Portfolios Count
4 Projects Listed
XWEBAGENCY Services
Digital Marketing
Mobile App Development
Web Design
SEO
eCommerce Development
WordPress Website Design
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
VegaOne Trusted name in the field of digital marketing in California, Los Angeles. our most strong working areas included SEO, social media marketing, Web design & development including WordPress, Shopify, Ecommerce, Magento and custom CMS based website...
Top Services:
Logo Design
Web Design
Web Development
eCommerce Development
WordPress Website Design
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Location
El Segundo, California
Number of Employees
Under 49
Average Hourly Rate
$40/hr
Minimal Budget
Under $1,000
VegaOne Services
Logo Design
Web Design
Web Development
eCommerce Development
WordPress Website Design
SEO
Social Media Marketing
Digital Marketing
PPC
Email Marketing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Transformation
Deluxe Holidays
Teknogrow
mTech Consulting Services
Unique Home Health
Interim Health Care
Data sourced from the agency's DesignRush profile
VegaOne Reviews & Testimonials
Farhan Khan
Search Engine Optimization Manager at MODSOFT TECHNOLOGY AI DEVELOPMENT
5.0★
Web Design Review from Farhan Khan
My business belong to providing infrastructure and security solution, data base and cloud hosting services. VegaOne provide us complete 360 digital marketing services since last six months, design my shareables, social media paid posting and advertising solutions.
Reviews verified by DesignRush and sourced from the agency's profile
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At 3techagency were a ROI-Driven digital marketing agency helping businesses scale up marketing efforts seamlessly through tools & services that grow revenue, improve efficiency & team versatility...
Top Services:
WordPress Website Design
Web Design
eCommerce Development
Web Development
SEO
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Location
Los Angeles, California
Number of Employees
Under 49
Average Hourly Rate
$23/hr
Minimal Budget
Under $1,000
Portfolios Count
4 Projects Listed
3techagency Services
WordPress Website Design
Web Design
eCommerce Development
Web Development
SEO
PPC
Digital Marketing
Digital Services
Email Marketing
Social Media Marketing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Astrodon
Kip McGrath
Truffway
Flemingo Duty Free
Jumia
Sahara Energy
Data sourced from the agency's DesignRush profile
3techagency Reviews & Testimonials
charles mambo
Review from Google
4.0★
charles mambo's Review Sourced from Google
These guys gave the best of what we expected. They met our timelines. I love the fact that their team of developers are able to design and develop a sophisticated online site that's easy for customers to navigate and be content with their search.
Organika Kenya
Review from Google
5.0★
Organika Kenya's Review Sourced from Google
The team at 3tech are professional and extremely knowledgeable! I trusted them completely to help me build my website and the results speak for themselves! Really swift with responses and amazing customer service! 10/10 would highly recommend!
Reviews verified by DesignRush and sourced from the agency's profile
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Crafting Unique Brands & Building Profitable Websites, Aim squad is a boutique branding, web design and development agency for motivated businesses. To help 1 million business owners create beautiful, eye catching websites that convert web visitors into customers. Learn how to convert website visitors into...
Top Services:
Web Design
eCommerce Development
Web Development
WordPress Website Design
Branding
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Location
Los Angeles, California
Number of Employees
Under 49
Average Hourly Rate
$75/hr
Minimal Budget
Under $1,000
Portfolios Count
1 Project Listed
Aim Squad Services
Web Design
eCommerce Development
Web Development
WordPress Website Design
Branding
Logo Design
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Website Design Hive creates stunning websites, logos, apps, and animations while driving growth through SEO, PPC, and digital marketing. We turn ideas into results-driven online experiences...
Top Services:
Web Design
Web Development
eCommerce Development
Logo Design
Branding
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Location
Campbell, California
Number of Employees
50 - 99
Average Hourly Rate
$450/hr
Minimal Budget
Under $1,000
Portfolios Count
3 Projects Listed
Website Design Hive Services
Web Design
Web Development
eCommerce Development
Logo Design
Branding
SEO
Creative Services
Social Media Marketing
Mobile App Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Dedicated A/B Test Development & Implementation Agency
BrillMark is an agency who dedicatedly does A/B test development for the Top CRO and Marketing Agencies across the Experimentation Industry. Specialied in eCommerce development, Shopify development, Wordpress Development and Custom front end development needs...
Top Services:
Web Development
eCommerce Development
WordPress Website Design
UI/UX Design
Web Design
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Location
Hayward, California
Number of Employees
50 - 99
Average Hourly Rate
$100/hr
Minimal Budget
Under $1,000
BrillMark LLC Services
Web Development
eCommerce Development
WordPress Website Design
UI/UX Design
Web Design
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Relias Media
Ritual Beverage
Conversion Fanatics
Growth hit
Reap marketing
BigLight
Microcenter
Dealpath
Avid Demand
Gaia Herbs
Data sourced from the agency's DesignRush profile
BrillMark LLC Reviews & Testimonials
Felipe Diaz
Review from Google
5.0★
Felipe Diaz's Review Sourced from Google
The BrillMark team is absolutely outstanding. They managed to help us with challenging AB tests that really came through and improved our overall website! They are a really complete team with an advanced set of skills that always delivers, meeting the deadlines and the requirements we have asked for. Totally recommended, top of the line people with experience all over!
Reviews verified by DesignRush and sourced from the agency's profile
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Marketing and Strategic Development of Websites For All Businesses!
WebWolfs is an online digital design agency with the in-house talent which is on a mission to deliver Custom Website Design solutions every time for every clients...
Top Services:
Logo Design
Web Design
UI/UX Design
eCommerce Development
Web Development
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Location
Anaheim, California
Number of Employees
50 - 99
Average Hourly Rate
$15/hr
Minimal Budget
Under $1,000
Portfolios Count
1 Project Listed
WebWolfs Services
Logo Design
Web Design
UI/UX Design
eCommerce Development
Web Development
WordPress Website Design
Mobile App Development
Branding
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
610 Atlethics
HTXtracts
Be Detailing
Data sourced from the agency's DesignRush profile
WebWolfs Reviews & Testimonials
Aayan Mushtaq
Review from Google
1.0★
Aayan Mushtaq's Review Sourced from Google
I hired Webwolfs, a Pakistani marketing company, for a simple task that should have cost around $100–$200. However, they charged me $2,000 for it. The quality of work was extremely poor and nowhere near the value they claimed. When I asked for a refund or even an explanation, they stopped responding completely. I live in Florida, USA, and have already reported this issue to the FTC and other relevant authorities. I do not recommend working with this company — please be cautious before doing any business with them
monish shandil
Review from Google
1.0★
monish shandil's Review Sourced from Google
If I could give zero stars, I would. This company misled me into paying an outrageous amount for a website, promising quality and service that never lived up to expectations. When I decided to move my site elsewhere, they tried to charge me $400 just to buy back my own domain—something that originally cost $40. This is nothing short of a scam, preying on people who aren’t aware of the fine print.
If you’re considering working with them, be extremely cautious. Read the terms carefully and be prepared for hidden fees. There are far more honest and transparent companies out there—don’t waste your money here.
Salman Habib
Review from Google
5.0★
Salman Habib's Review Sourced from Google
Their web design team created a blog site that's brought me great leads, and their SEO guidance has trended my posts. Now, I'm living the blogger's dream :). I will definitely recommend these guys
Reviews verified by DesignRush and sourced from the agency's profile
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An eCommerce marketing agency for brands of all sizes.
Parker-Lambert is an e-commerce marketing agency that helps consumer brands grow across Amazon, Shopify, Faire, Instacart, Chewy, Walmart, Google Shopping, and more...
Top Services:
Digital Marketing
PPC
Advertising
Branding
Video Production
Show more
Location
San Jose, California
Number of Employees
Under 49
Average Hourly Rate
$85/hr
Minimal Budget
Under $1,000
Portfolios Count
1 Project Listed
The Parker-Lambert Agency Services
Digital Marketing
PPC
Advertising
Branding
Video Production
eCommerce Development
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
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[Welcome to the Nexus] A central point where strategy and execution meet to produce real results. A laboratory of creativity and intelligence. A launchpad for businesses ready to move past the noise and into the next phase of their evolution...
Top Services:
Creative Services
Social Media Marketing
Content Marketing
Branding
Digital Marketing
Show more
Location
Vista, California
Number of Employees
Under 49
Average Hourly Rate
$100/hr
Minimal Budget
Under $1,000
Pacific Nexus Services
Creative Services
Social Media Marketing
Content Marketing
Branding
Digital Marketing
Video Production
eCommerce Development
Web Development
SEO
CRO
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Nike
Jack In The Box
Puma
Colorescience
CarParts.com
Rubios
OluKai
National Pen
Electra Bicycles
Kaenon Polarized
Data sourced from the agency's DesignRush profile
Pacific Nexus Reviews & Testimonials
Mickey Strand
Review from Google
5.0★
Mickey Strand's Review Sourced from Google
What a great set of studios and staff. Offering the best in photo production in all facets.
Symbient Marketing
Review from Google
5.0★
Symbient Marketing's Review Sourced from Google
Ryan Sebring and the group delivered an excellent video for us! They were easy to work with, extremely professional and very patient as we worked through the details. I would definitely work with them again and recommend them highly.
Reviews verified by DesignRush and sourced from the agency's profile
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Specializing in technology development and marketing services.
Covinten Media is a dynamic agency specializing in both technology development and marketing services. We create advanced digital products for businesses and implement marketing strategies to boost brands visibility and growth. Our dual expertise ensures comprehensive support for your business's success in a...
Top Services:
Web Design
Web Development
Mobile App Development
UI/UX Design
SEO
Show more
Location
Los Angeles, California
Number of Employees
Under 49
Minimal Budget
Under $1,000
Covinten Media Services
Web Design
Web Development
Mobile App Development
UI/UX Design
SEO
Digital Marketing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts