• (425) 954-3452
  • info@kihanmarketing.com
  • Seattle, WA — Serving Nationwide
KIHAN logo: bold blue wordmark with a stylized blue geometric house shape on the left on a black background.
Our Portfolio
Free Marketing Audit

Services

Ecommerce Website Development Services

Custom ecommerce websites that sell. Shopify, WooCommerce, BigCommerce, and headless commerce builds from senior developers.

Get a Free Audit
Talk to a Specialist
Conversion Rate Lift
0 +
Average Order Value
0 %
Mobile Speed Score
0 +
Stores Built
0 %

Custom Ecommerce Websites That Convert and Scale

The Problem: Most Ecommerce Sites Look the Same and Sell Like It

Open any Shopify store and you’ll see the same hero, same product grid, same featured collection rows. Generic design equals generic conversion rates — 1.5–2.5% for most DTC brands. Your competitors are all using Dawn, Impulse, or Symmetry. Your brand deserves better. So does your conversion rate.

Ecommerce website development services build custom stores tuned for your specific products, customer, and conversion levers. The result: conversion rates of 3.5–6%, stronger mobile experiences, and storefronts that reflect your brand instead of matching 200,000 other stores.Every $1M+ ecommerce brand eventually leaves the template and builds custom. Do it sooner.

Our Approach

Ecommerce Development That Drives Revenue

Our ecommerce website development services cover every platform and architecture:

  • Custom Shopify themes: Liquid-native builds tuned for speed, conversion, and brand differentiation.
  • Headless commerce: Hydrogen, Next.js, or Remix storefronts with Shopify or commercetools as backend.
  • WooCommerce: Custom WordPress ecommerce with performance tuning and checkout optimization.
  • BigCommerce and Magento: Enterprise-grade builds for complex catalogs and B2B requirements.
  • Checkout optimization: Single-page checkout, express payments, conversion-tuned flow.
  • Performance engineering: Core Web Vitals, mobile speed, and site-wide performance budgets.

Our Process

How We Build Your Ecommerce Site

A process built for DTC brands, B2B commerce, and ecommerce operators scaling past $1M.

Strategy & Scope

Platform selection, tech stack, integration plan, and feature scope — locked before design.

Design System

Brand-aligned design, mobile-first UX, conversion-tuned product and collection pages.

Build & Integrate

Custom development, ERP/3PL integrations, tax and shipping, analytics. QA at every step.

Launch & Scale

Migration, launch, post-launch conversion optimization, and ongoing feature development.

What You Get

What Ecommerce Development Covers

Every feature serves one purpose: driving real results for your business.

Custom Shopify

Liquid-native custom themes. Faster, cleaner, and more converting than marketplace templates.

Headless Commerce

Hydrogen, Next.js, or Remix with Shopify or commercetools backend for maximum flexibility.

WooCommerce

WordPress ecommerce with custom themes, performance tuning, and checkout optimization.

BigCommerce

Enterprise BigCommerce builds with custom storefronts, complex catalogs, and B2B flows.

Checkout Optimization

Single-page checkout, express payments, address autocomplete, and conversion-tuned flow.

Integrations

ERP (NetSuite, SAP), 3PL (ShipBob, ShipStation), email (Klaviyo), and analytics.

Related

Related Services

Services that pair well with social media marketing.

SEO Services

Rank higher in organic search results.
Learn More

Website Development

A website that converts visitors into customers.
Learn More

Google Ads

Get qualified leads from paid search.
Learn More

Results Across Industries

We deliver results across all seven industries we serve:

Property Management

Roofing

Med Spa

Dental

Law Firms

Real Estate

Home Services

FAQ

Frequently Asked Questions

Shopify for most DTC brands under $10M. Shopify Plus for scale and checkout customization. WooCommerce if you’re deep in WordPress already. BigCommerce or commercetools for complex B2B or enterprise catalogs. We’ll recommend based on your needs, not our preferences.

Custom Shopify theme: $18K–$45K. Shopify Plus with integrations: $45K–$120K. Headless build: $60K–$250K+. WooCommerce custom: $20K–$60K. Platform migrations add 30–50% to the base depending on catalog complexity.
Custom Shopify: 8–12 weeks. Shopify Plus with custom apps: 12–20 weeks. Headless: 16–28 weeks. WooCommerce: 10–16 weeks. Migrations add 3–6 weeks for 301 planning, data migration, and testing.
Yes — it’s a specialty. We’ve migrated stores from WooCommerce, Magento, BigCommerce, Shopify, and custom platforms. The critical work is preserving SEO via 301 redirects, migrating customer and order data, and maintaining reviews and loyalty integrations.
Yes. Most clients retain us for ongoing feature development, A/B testing, performance tuning, and app/integration builds. Typical ongoing engagement is 20–80 hours per month depending on roadmap velocity.

Get a Free Ecommerce Build Quote

Tell us what you’re building. We’ll scope it precisely, tell you the honest timeline, and recommend the right platform for your stage.

Claim Your Free Audit

Or call us directly: (425) 954-3452