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Pixel-perfect UI
Conversion-focused UX
Clean handoff to developers
Split Development is an ecommerce website design company delivering custom store design and development for Shopify, WooCommerce, BigCommerce and Magento. Our ecommerce web design services cover UX strategy, conversion-focused visual design, mobile-first builds and ongoing store improvements for B2B and B2C brands across the US, UK and globally.
150+
Projects delivered
10+
Years experience
/01
Custom ecommerce website design & new store builds
/02
Ecommerce UX design, CRO & store redesign
/03
Ecommerce design systems, mobile-first & ongoing support
Ecommerce design is not about making stores look good.
As an ecommerce web design agency with in-house development, we design stores that convert — and we build them ourselves, so the design works in production.
Conversion-first discovery
We audit your catalog structure, customer journey, current store performance, competitor landscape and conversion goals before opening a design tool.
Designed for the platform
Our ecommerce web design is created by a team that also builds in Shopify, WooCommerce and BigCommerce — so every design decision is compatible with the platform it lives on.
Transparent process
You get a clear project roadmap, structured feedback rounds, regular staging previews and full visibility into every design and development decision from kickoff to launch.
Scalable ecommerce design
We build ecommerce design systems — reusable sections, components and patterns — that make future catalog growth, campaigns and new page types fast and consistent.
Our ecommerce web design standards protect conversion performance, store speed, brand quality and long-term design maintainability on every project
Conversion-focused layout
Every ecommerce design decision — hierarchy, CTA placement, trust signals, product imagery — is made to move visitors toward purchase, not just to look impressive in a mockup.
Mobile-first by default
Mobile ecommerce design is not an afterthought — we design for mobile first and scale up to desktop, because that is where the majority of ecommerce traffic arrives.
Store speed & Core Web Vitals
Ecommerce website design and development we deliver is optimised for page speed, lean asset loading and Core Web Vitals from day one — not as a post-launch fix.
Brand-aligned design
Every ecommerce store design reflects your brand accurately — typography, colour, imagery and tone — so your store builds trust from the first impression and throughout the purchase journey.
Post-launch support
After launch we provide ongoing ecommerce design support — new pages, seasonal campaigns, A/B test variants and iterative improvements as your store and catalog grow.
A structured ecommerce web design process from discovery and strategy through to launch and ongoing store growth
01
Discovery & strategy
Conversion audit, competitor analysis, catalog review, customer journey mapping and ecommerce website design cost scoping
02
UX & wireframes
Store structure, page layouts, user flows, ecommerce UX design and conversion wireframes approved before visual design
03
Visual design
High-fidelity ecommerce design, ecommerce design system, component library and prototype for stakeholder sign-off
04
Build & launch
Theme build, QA, cross-device testing, performance optimisation, product setup and controlled store launch
05
CRO & growth
A/B testing, CRO improvements, new page design, campaign assets and ongoing ecommerce web design support
We partner with ecommerce brands, retailers and B2B businesses that need an ecommerce website design company with both design quality and platform expertise
DTC & consumer brands
Custom ecommerce website design for DTC brands launching on Shopify or redesigning an existing store to improve conversion and customer experience
B2B & wholesale merchants
B2B ecommerce website design for wholesale, trade and B2B merchants needing custom buyer portals, tiered pricing and complex catalog UX
Enterprise & high-volume retailers
Ecommerce web design for enterprise retailers and high-volume stores needing custom design systems, complex catalog UX and multi-channel consistency
Agencies & white label partners
Ecommerce web design agency services for digital agencies that need a specialist ecommerce design and development partner for client projects
An ecommerce web design company designs and builds online stores — covering UX strategy, visual design, theme development, product catalog setup, checkout optimisation and launch. A specialist ecommerce website design company also understands the conversion architecture of successful stores, not just how to make them look appealing.
Ecommerce website design cost depends on the scope — number of page templates, platform, catalog complexity, custom functionality and whether integrations are required. A focused Shopify store design project will differ significantly from a full custom ecommerce design and development build for an enterprise or B2B merchant. We provide fixed-price proposals after a detailed scoping session.
We design and build ecommerce websites on Shopify, Shopify Plus, WooCommerce, BigCommerce and Magento. Our ecommerce web design services are tailored to the specific capabilities and constraints of each platform — so the design and the build work together rather than creating implementation problems after handoff.
Good ecommerce website design combines strong brand presentation with a clear conversion architecture. This means a homepage that builds trust and communicates value quickly, category pages that make browsing effortless, product pages that answer every objection and a checkout that removes all friction. It also needs to be fast, mobile-first and responsive to your catalog as it grows.
Yes. We provide B2B ecommerce website design for wholesale merchants, trade suppliers and B2B platforms. B2B ecommerce design differs from DTC in that it needs to handle custom pricing by customer group, gated catalog sections, complex order forms, account management and buyer workflows — all of which require purpose-built UX rather than a standard storefront template.
Yes. We provide ecommerce website redesign services for existing stores that have outgrown their current design or need stronger conversion performance. This includes auditing your current store data, identifying UX and conversion issues, designing new page templates and rebuilding the theme with a stronger design system and better mobile experience.
