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150+ projects delivered for UK and international brands

Shopify Development Agency in London

Bespoke Shopify stores for London brands that need to look premium, load quickly and convert browsers into paying customers.

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Custom Shopify stores for UK brands that need premium design, fast checkout and measurable sales growth — designed and built in London.
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Performance-led Shopify stores

Shopify stores built for commercial results

Design Dev is a London Shopify agency delivering high-converting stores for ambitious brands. We combine strategy, conversion-led design and clean development so your store supports discovery, trust and checkout performance.
01

Custom Shopify Theme Development

Bespoke Shopify themes with clean Liquid architecture, flexible sections and conversion-led page structure.
Custom Shopify Theme Development
02

Shopify Plus & Scale Builds

Stores engineered for higher volume, complex catalogues, multi-market selling and operational efficiency.
Shopify Plus & Scale Builds
03

Apps, Integrations & Automation

Connect payments, ERP, CRM, Klaviyo, subscriptions and fulfilment without slowing the storefront.
Apps, Integrations & Automation
04

Migration, Redesign & Speed

Move from WooCommerce, Magento or custom platforms — with SEO protection, faster load times and stronger UX.
Migration, Redesign & Speed

A clear process from brief to launch

01

Discovery & Commerce Strategy

We define brand positioning, catalogue structure, customer journeys and commercial goals before design begins.

02

UX & Storefront Design

Conversion-focused layouts for collections, PDPs, cart and checkout — built for UK retail expectations.

03

Shopify Development

Clean theme builds, apps, payments, shipping rules and integrations configured for real operations.

04

QA & Optimisation

Testing across devices, browsers, speed, SEO structure, checkout flows and content workflows.

05

Launch & Growth Support

Controlled go-live, staff handover and optional CRO, app and campaign support after launch.

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Project process 2
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Why Shopify is the right platform for growing UK eCommerce brands

Why Shopify is the right platform for growing UK eCommerce brands

Shopify gives London retailers a stable, scalable foundation without the maintenance burden of heavyweight open-source stacks. It supports product discovery, secure checkout, subscriptions, multi-currency and a wide app ecosystem — while remaining practical for marketing teams to update.When designed and developed properly, Shopify becomes a commercial growth engine: fast, searchable, conversion-led and ready for campaigns, collections and international expansion.

  • Secure hosted checkout trusted by UK shoppers
  • Strong technical SEO for collections and products
  • Flexible themes and custom Liquid development
  • Wide ecosystem of apps for marketing and operations
  • Mobile-first shopping experiences by default
  • Scalable as catalogue and order volume grow
  • Works with Klaviyo, Meta Ads, Google and CRM stacks
  • Suitable for DTC brands, retail and wholesale models

Complete Shopify capabilities

From first brief to long-term growth — theme, checkout, apps and performance under one London Shopify team.

01

Shopify Store Development

Custom Shopify stores for startups, DTC brands and established UK retailers.

02

Custom Theme Development

Lightweight Liquid themes coded for your brand, speed and conversion goals.

03

Theme Customisation

Refine Dawn or premium themes into polished, brand-accurate storefronts.

04

Shopify Plus Development

Advanced builds for high-volume brands needing scale, B2B and automation.

05

Shopify Migration

Move from WooCommerce, Magento or custom platforms with SEO and data protected.

06

Checkout Optimisation

Improve trust signals, upsells, shipping clarity and payment completion rates.

07

App Development & Setup

Custom apps and carefully selected app stacks without storefront bloat.

08

Speed Optimisation

Improve load time, Core Web Vitals, image delivery and theme performance.

09

Subscription & Membership

Recurring commerce for boxes, refill and membership models.

10

Headless Shopify

Hydrogen / headless storefronts where brand experience needs extra flexibility.

11

Integrations & Automation

Connect ERP, CRM, Klaviyo, warehouse and accounting systems.

12

Maintenance & Support

Updates, monitoring, bug fixes and ongoing eCommerce improvements.

Ready for a Shopify store that converts?

Speak with Design Dev about a Shopify build that strengthens your brand, improves checkout performance and supports growth across the UK market.

Shopify expertise across key industries

Fashion & Apparel

Industry focus

Fashion & Apparel

Collection-led storefronts with size guides, lookbooks and high-converting product pages.

  • Fashion stores
  • Lookbooks
  • Size guides
  • Wishlist

Why Design Dev

A London Shopify partner focused on sales and brand quality

Design Dev works with founders, marketing teams and retail brands that need more than a template store. We combine commerce strategy, design craft and disciplined Shopify development to deliver storefronts that perform in competitive UK markets.Expect clear communication, thoughtful UX, clean theme code and a delivery process designed around conversion — not vanity features.

150+

Projects delivered

5+

Years experience

UK+

London & worldwide

A London Shopify partner focused on sales and brand quality

Strategy, design and engineering for brands that need a website that performs.

01

Commerce strategy first

Catalogue, journeys and conversion priorities are clarified before design begins.

02

Design that sells

Premium UI/UX aligned to your brand and UK shopper expectations.

03

Performance as standard

Fast storefronts with SEO foundations and Core Web Vitals in mind.

04

Support after launch

Optional CRO, ops support and technical maintenance as you scale.

Technologies we work with

Shopify

Shopify

React

React

JavaScript

JavaScript

HTML5

HTML5

CSS3

CSS3

Klaviyo

Klaviyo

Stripe

Stripe

PayPal

PayPal

HubSpot

HubSpot

Mailchimp

Mailchimp

Figma

Figma

WordPress

WordPress

What clients say

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Design Dev transformed our e-commerce platform. Their team was efficient, responsive, and delivered a stunning layout that doubled our conversion rate within a month.

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Sarah Jenkins

Vauxhall Marketing - Shopify Development
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An absolute pleasure to work with. They understood our brand identity perfectly and designed a clean, user-friendly SaaS platform that our clients love.

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David Thorne

FluxGig - UI/UX Design
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The custom WordPress build is super fast and easy for our content editors to update. Outstanding attention to detail and SEO optimization.

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Amara K.

Apsara Cosmetics - WordPress Development
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They built a highly custom, secure medical inventory portal on-budget. Their engineering skills are top-tier.

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Julian Reed

Upcycled Medical - Web App Development
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From logo creation to full visual guidelines, Design Dev gave our construction firm a modern and premium corporate look.

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Emily Watson

Smart Build UK - Branding & Design
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Our organic search traffic increased by 150% in three months. Their SEO team really knows their stuff.

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Marcus Sterling

Supra Cycling - Search Engine Optimization

We worked with largest global brands

Be Vaux Logo
Fluxgig Logo
Apsara Logo
brushify
Jirahi Logo
Metaball Logo
Mrgt Logo
Optimisticconsultants Logo
Smart Build
Supra Cycling Global Logo
Upcycled Medical Logo

FAQ

Frequently asked questions

Straightforward answers to the questions we hear most often about scope, timelines, and how we work.

Shopify offers secure checkout, a strong app ecosystem, practical admin tools and scalable infrastructure. It suits DTC brands, retailers and growing catalogues without heavy server maintenance.

Start a project

Tell us about your project

Share your goals, catalogue size, timeline and requirements. We will respond with a practical Shopify recommendation for your brief.

UK Branch Office

London, United Kingdom

2 Bessborough Gardens, Westminster, London, UK

+44 7459 579227

Development Center

Sialkot, Pakistan

2nd Floor, Yousaf Plaza, Opposite Mazeeo Sadar Bazar, Sialkot Cantt

+92 337 4905 313
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