San Francisco, CA

E-commerce Development for San Francisco, CA businesses

We design and build online stores for San Francisco-area companies — tech, B2B SaaS, finance, biotech and creative services. Local SEO, Google Business Profile, AI search-ready, and a free preview within 5 business days.

See our work
  • Local to San Francisco County, California
  • Ranks for "ecommerce development San Francisco"
  • Free preview in 5 business days
  • Fixed-price quotes

What's included.

Headless Shopify

Keep Shopify as your backend, get a custom frontend that's 3x faster and built for your brand.

Subscription & recurring

Subscription boxes, memberships, BOGO, gift cards — flexible billing logic that just works.

B2B portals

Custom pricing per customer, quote-to-cash, net-30 invoicing, bulk reordering, multi-location accounts.

AI product discovery

Visual search, semantic recommendations, AI-styled outfits — boost AOV by 15–30%.

Global ready

Multi-currency, multi-language, region-specific tax & shipping, GDPR/CCPA compliant.

Integrations

Klaviyo, Postscript, ShipStation, NetSuite, your 3PL, ERP, and accounting tools.

Questions, answered.

Can't find what you need? Email shaun@phantomconsulting.net.

Do you offer ecommerce development in San Francisco?+

Yes — e-commerce development is a core service for our San Francisco clients. We work remotely with weekly video check-ins, and travel into San Francisco County, California for kickoffs and launches.

How fast can a San Francisco business get started?+

You get a free preview within 5 business days of our discovery call. Full e-commerce development engagements typically launch in 3–8 weeks depending on scope.

Will this rank in San Francisco search?+

Yes — every site we ship for San Francisco clients comes with local schema, Google Business Profile setup guidance, service-area pages and llms.txt for AI search (ChatGPT, Perplexity, Gemini, Google AI Overviews).

Should I use Shopify or go custom?+

Shopify is fantastic up to ~$5M GMV. Above that, or if you have unusual product logic (rentals, configurators, B2B), custom or headless makes sense. We'll tell you which fits.

Migration from Shopify/WooCommerce?+

Yes — products, customers, orders, SEO redirects all handled. Zero downtime, zero ranking loss.

Ready to grow in San Francisco?

Free 30-minute call. We'll audit your current San Francisco presence and outline a 60–90 day plan.

shaun@phantomconsulting.net

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