Store builds, themes, apps and SEO
Shopify Development Services
Hire Shopify experts who build stores, customize themes, ship apps, and fix speed and conversion issues for brands in the US, UK, and Canada. Book a free 30-minute strategy call to map your next Shopify build.
- Our Shopify Development Expertise
Shopify Stores Built for Speed and Conversions
We specialize in Shopify development services for growing ecommerce brands: store builds, theme customization, apps, speed and conversion fixes, and Shopify SEO — delivered by a team you can hire as a Shopify development agency partner, not a ticket queue.
Every engagement starts with the store you already have. We look at what is slowing pages down, where shoppers drop off between collection, product, and cart, and which apps are adding weight without adding revenue. That gives you a short, prioritized list instead of a vague redesign brief, and it keeps theme, app, and search work pulling in the same direction. When organic growth is part of the goal, our wider SEO services team shares the same backlog, so on-page fixes and technical changes ship together.
Shopify Store Build
New Shopify storefronts designed around your catalog, brand, and checkout goals — from information architecture and theme setup to apps, payments, and launch QA.
Each build includes collection and navigation planning, product template setup, and a launch checklist covering redirects, tracking, and tax and shipping settings for the regions you sell in.
Theme Customization
Shopify theme development and customization on Online Store 2.0: sections, metafields, templates, and UX polish so product and collection pages convert without fighting the theme.
We extend your current theme where it makes sense and rebuild sections only where the existing code blocks growth.
Shopify Apps
Custom Shopify app work when off-the-shelf apps fall short — including volume pricing, checkout logic, and merchant admin tooling. See TierWise for a live example.
Browse our Shopify app case studies to see how custom features were scoped, built, and measured.
Speed & Conversion Fixes
Storefront performance and CRO: script hygiene, theme bloat cleanup, PDP/cart friction removal, and Subscribe & Save or upsell flows that do not break attribution.
Shopify SEO
Technical and on-page Shopify SEO: crawlability, collection/product metadata, internal linking, and content structure so organic search compounds instead of resetting with every redesign.
- Shopify Platforms & Capabilities
Shopify Development Services & Expertise We Offer
From greenfield store builds to theme development, migrations, and Shopify development services, we help you hire Shopify developers who own outcomes — design systems, checkout UX, apps, and organic growth — across the US, UK, and Canada.
Many merchants come to us when they need to hire a Shopify developer quickly but do not want to manage a freelancer bench. You get a small team of Shopify experts who already know Online Store 2.0, metafields, checkout constraints, and the app ecosystem, so the first sprint is spent shipping rather than learning. We document what we change, keep your theme maintainable, and hand over clean code your in-house team can extend later.








Shopify Work That Compounds — Backed by Live Case Studies
Proof beats promises. On Sprout, we rebuilt technical SEO, lifecycle infrastructure, and storefront foundations for a plant-based nutrition brand — delivering +199% active users and +221% organic search sessions (attribution note on the case study: paid scale is excluded). On TierWise, we built a Shopify app for automatic tiered volume discounts — lifting average units per order from 1.8 to 3.1 and AOV from $32 to $46, while cutting promo management to under 30 minutes a week. Figures are taken from those published case studies; we do not invent metrics on this page.
Both projects started with a clear problem, a fixed scope, and measurement agreed up front. You can see more examples of custom app work in our Shopify app case studies, including how each feature was scoped before a line of code was written.
- Our Shopify Process
A Clear Shopify Development Process
We follow a practical Shopify development process so store builds, theme work, apps, and SEO land in the right order — with room to hire us for a single sprint or a full rebuild.
Start With a Shopify Store Audit
Not sure where to begin? A Shopify store audit is often the fastest first step. We review theme code, installed apps, page speed, product and collection templates, tracking, and search visibility, then rank the findings by effort and expected impact. You walk away with a plain-language report and a recommended order of work, whether you keep building with us or hand the list to your own team. It is also a low-risk way to see how we work before you commit to a larger project.
Discovery & Store Audit
We review your Shopify theme, apps, analytics, and conversion paths, then align on goals for the US, UK, or Canadian market you sell into.
Architecture & Scope
Information architecture, theme vs. app decisions, integrations, and a fixed-scope plan so engineering and design share one backlog.
Design & Theme Build
UI/UX and Online Store 2.0 theme work: templates, sections, metafields, and mobile-first PDP/collection experiences.
Apps, SEO & Conversion
App configuration or custom app features, technical SEO, speed work, and conversion fixes validated against your analytics.
Launch & Iteration
QA, launch support, and a short optimization window so the store ships clean and has a path for the next improvements.
- Why Choose MGN Ventures for Shopify Development?
Hire Shopify Experts Who Build, Ship, and Optimize
- Shopify-focused engineering
- Theme, app, and SEO under one team
- Proof from live Shopify case studies
- US, UK, and Canada market focus
- Performance and conversion mindset
- Clear scope and transparent delivery
Frequently Asked Questions
What do your Shopify development services include?
Store builds, theme customization, Shopify app work, speed and conversion fixes, and Shopify SEO. Scope is fixed after a short discovery so you know what ships and what is later-phase.
Can I hire a Shopify developer for a defined project?
Yes. Most engagements are project-based (rebuild, theme work, app feature, or SEO/CRO sprint). We also support retainers for ongoing theme and conversion work after launch.
Do you work with merchants in the US, UK, and Canada?
Yes. Those are our primary markets. We tailor theme, checkout, and SEO work to the locales and currencies you sell in — without claiming a local storefront address we do not operate.
How do Sprout and TierWise relate to this page?
They are live Shopify case studies on this site. Sprout covers storefront, technical SEO, and lifecycle work (+221% organic search sessions). TierWise is a Shopify app for tiered volume discounts (AOV $32→$46; units per order 1.8→3.1). Metrics are from those case study pages — we do not invent numbers here.
Contact Information
Prefer email? Reach us at info@mgnventures.com.
- info@mgnventures.com
- Get In Touch
Book a Free 30-Minute Shopify Strategy Call
Ready to scope a Shopify store build, theme customization, app, or SEO engagement? Book a free 30-minute strategy call, or send a message and we will reply from a real inbox. Primary CTA: schedule a call.
If you would rather share details first, use our contact page to tell us about your store, your timeline, and what you need. Whether you want to hire a Shopify developer for one sprint or bring in a team for a full rebuild, we will reply with honest next steps.
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