
Los Angeles businesses can choose from ecommerce developers focused on custom platforms, Shopify and Shopify Plus, WooCommerce, Magento, headless commerce, migrations, and complex integrations. This overview compares companies with clear ecommerce capabilities and a defensible Los Angeles presence or explicit service coverage, rather than treating an isolated project in the city as sufficient qualification.

Gilzor develops ecommerce software for startups, SMBs, and product companies, covering both customer-facing storefronts and the systems operating behind them. Its ecommerce services include custom ecommerce builds, marketplace development, platform migration, retail software, web development, and mobile commerce. The team also works with business analysis, UI/UX, QA, integrations, automation, and post-launch product development. Gilzor is particularly relevant when an ecommerce project extends beyond a conventional templated store and requires custom workflows, marketplace functionality, inventory or order processes, or a broader digital product architecture.


ATAK Interactive has been building ecommerce stores since 2006 and is headquartered in Los Angeles. Its development practice covers Shopify, Adobe Commerce and Magento, BigCommerce, WooCommerce, custom ecommerce development, integrations, and headless commerce. The agency has a particularly clear focus on Shopify for B2B and wholesale businesses, including custom workflows, migrations, system integrations, and storefront optimization. This range makes ATAK relevant to established retailers and B2B sellers that need more than basic theme configuration and have operational systems that must connect with the commerce platform.

Endertech approaches ecommerce projects from both storefront and operational perspectives. The Los Angeles-originated development company works with online stores, catalog architecture, checkout, payments, ERP and OMS integrations, search, fulfillment workflows, performance, and ongoing development. Its current ecommerce stack includes Shopify, Hydrogen, Next.js, React, headless configurations, and custom integration work. Endertech can therefore fit businesses dealing with large catalogs, complicated inventory or fulfillment rules, B2B requirements, replatforming, or aging ecommerce infrastructure that needs modernization rather than a purely visual redesign.

Coalition Technologies combines ecommerce web development with design, SEO, and conversion work from its Los Angeles operation. Its ecommerce development process supports Shopify, Magento, WordPress and WooCommerce, and BigCommerce, with work ranging from storefront design and development to testing, launch, maintenance, and optimization. The company can be useful for retailers that want development and digital marketing handled within the same agency, particularly when search visibility and post-launch optimization are part of the project scope rather than separate initiatives.

SPINX Digital is a Los Angeles digital agency with more than two decades of web experience and ecommerce projects across consumer brands and product businesses. Its development capabilities include custom ecommerce websites alongside broader website engineering, and its portfolio includes ecommerce work for beauty, automotive parts, and configurable-product businesses. The agency works with technologies and platforms including Shopify, Magento, WordPress, React, Drupal, Sitecore, and .NET, giving it room to handle projects outside a single commerce ecosystem.

Founded in Los Angeles in 2012, Weberous works on ecommerce and B2B websites with a strong Shopify practice. Its Shopify services cover store setup, custom themes, custom app development, migrations, ERP integrations, performance work, and ongoing support. The agency also maintains a portfolio category specifically for ecommerce and Shopify projects. This makes Weberous relevant to brands that want a locally based design and development team while keeping Shopify customization, conversion-focused UX, integrations, and post-launch improvements within the same relationship.

Sunlight Media has operated in Los Angeles since 2011 and builds ecommerce websites using platforms that include Shopify and Magento. Its ecommerce capabilities extend to B2B stores with catalog management, pricing tiers, and ERP integration, which can be useful for companies whose sales process is more complex than a standard consumer checkout. The agency also handles custom web development and mobile applications, giving businesses an option when ecommerce needs to connect with a broader web or mobile product ecosystem.

Storm Brain operates a Los Angeles-area office in Santa Monica and provides Shopify-centered ecommerce development alongside broader website and digital marketing services. Its Shopify work covers custom development, Shopify Plus, migrations, headless commerce, CMS implementation, quality assurance, maintenance, and conversion rate optimization. The agency is also listed in Shopify's partner directory for store builds, migrations, headless commerce, audits, and ongoing website management. Retail and consumer brands that want development and continued optimization under one agency can find a broad service mix here.
.webp)
Clap Creative provides ecommerce web design and development from Calabasas and serves businesses throughout Los Angeles and surrounding communities. Its ecommerce offering covers Shopify, Magento, WooCommerce, BigCommerce, and other shopping-cart platforms, with work involving custom store design, payment functionality, responsive interfaces, and ongoing web services. Its separate Shopify practice includes development, theme customization, support, maintenance, and SEO. The platform variety makes Clap Creative suitable for businesses comparing several ecommerce technologies rather than entering a project with Shopify already selected.

Digital Silk provides ecommerce design and development services to Los Angeles businesses, with support for Shopify, Magento, and WooCommerce. Its work includes ecommerce strategy, custom UX and interface design, development, checkout improvements, migrations, and performance-focused redesigns. The company also handles both front-end and back-end development and can migrate customer, product, and order data when moving stores to Shopify. This combination fits brands planning a substantial visual and technical overhaul rather than a narrow theme update.

SDG is a Los Angeles Shopify agency headquartered on San Vicente Boulevard. Its ecommerce practice is designed around Shopify and Shopify Plus projects involving custom themes, headless commerce, apps, integrations, systems integration, migrations, performance, accessibility, analytics, and ongoing support. The team specifically addresses complex catalogs, wholesale requirements, unusual purchasing flows, and commerce operations that need to handle high-traffic product launches. This makes SDG particularly relevant to larger retailers and established brands with demanding Shopify architectures rather than straightforward starter stores.
.webp)
Important Labs is a Los Angeles Shopify development practice focused on small and medium-sized businesses. Services cover new-store setup, migration from platforms such as Magento, WooCommerce, BigCommerce and Squarespace, custom theme development, app integrations, product and collection configuration, performance work, SEO, and ongoing maintenance. Because clients work directly with a dedicated Shopify developer rather than a large multidisciplinary agency structure, Important Labs can suit merchants with clearly defined Shopify projects that still require custom code, migration work, or continued technical support.

DTLA Marketing provides ecommerce web design and development from downtown Los Angeles. Its development services include ecommerce portals, Shopify development, general website design, and website development, while its ecommerce work also covers product and category page design, responsive storefronts, performance optimization, and integrations with CRM, inventory systems, and APIs. The agency combines these technical services with SEO, paid media, social media, influencer marketing, and email marketing, which may suit retailers that prefer one team for both the storefront and customer acquisition work.
.webp)
Xenon Commerce serves Los Angeles businesses with Shopify development covering new builds, custom themes, migrations, Shopify Plus, integrations, product-page optimization, and performance work. Its migration offering supports moves from WooCommerce, Wix, Magento, and Squarespace, while integrations include common ecommerce tools such as Klaviyo, Recharge, Gorgias, and Yotpo. Xenon works remotely with Los Angeles brands, making it an option for merchants that prioritize Shopify specialization and structured delivery over having the development team physically located in the city.
Los Angeles businesses have a broad selection of ecommerce web development companies covering everything from Shopify and WooCommerce stores to custom marketplaces, headless commerce, migrations, and complex system integrations. The right fit depends on the platform, project complexity, integration requirements, and whether ongoing optimization or marketing support is needed after launch.
For simpler storefronts, a platform-focused development team may be enough, while larger retailers and B2B businesses may need deeper experience with ERP connections, custom workflows, high-volume catalogs, and bespoke ecommerce architecture. Comparing technical capabilities, platform expertise, support options, and relevant project experience can help narrow the list to companies that match the practical requirements of the ecommerce project.