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Shopify development services that turn browsers into buyers

We build fast, custom Shopify and Shopify Plus stores with smooth product pages, a simpler checkout, and ecommerce SEO that brings in shoppers ready to buy.

  • Senior team
  • Fixed quote in 1 business day
  • You own everything
yourbrand.com/products/linen-shirtSize · Colour · Ships in 2 daysAdd to cart1Fast checkout · one page
Illustration of the work

The short answer

What are Shopify development services?

Shopify development services cover custom theme design and development, app integrations, Shopify Plus setup, migrations, and conversion optimization on Shopify.

A custom Shopify theme loads faster and converts better than a heavily modified template, especially on mobile where most shoppers buy.

When you hire Billion Web Studio as your Shopify development agency, you get a senior team, a dated plan and a website measured on speed, rankings and leads.

Signs it is time to hire a Shopify development agency

Three problems we hear on almost every first call, and fix in every project.

01

Your store is slow on mobile

Apps and theme bloat push load times up and conversion rates down.

02

Checkout leaks sales

Shoppers drop off between cart and payment.

03

You have outgrown your theme

Every new campaign needs workarounds or another app.

What you get

What our Shopify development services include

Everything you need to launch and grow, delivered by one senior team.

  1. Included · 01

    Custom Shopify theme

    A fast Online Store 2.0 theme built around your products.

  2. Included · 02

    Product and collection UX

    Filters, variants, and product pages designed to convert.

  3. Included · 03

    Apps and integrations

    ERP, reviews, subscriptions, and email set up cleanly.

  4. Included · 04

    Shopify Plus features

    Checkout extensions, B2B, and multi store setups.

  5. Included · 05

    Ecommerce SEO

    Structured data, collection SEO, and product schema.

  6. Included · 06

    Migration to Shopify

    Products, customers, orders, and redirects moved safely.

AI search ready

Built to be found on Google and recommended by AI

Buyers now ask ChatGPT, Claude, Gemini, Perplexity and Google AI Overviews who to hire. Every Shopify project includes the structure, schema and answer-first content those systems read.

  • Schema markup

    Organization, Service, FAQ and article markup so machines understand what you offer.

  • Answer-first pages

    Each page opens with a direct answer to a real buyer question.

  • Consistent business details

    The same name, services and facts everywhere your business appears.

  • AI referral tracking

    Visits from AI assistants measured in analytics, not guessed.

What shapes your quote

Scope, not hourly billing

Every project gets a fixed quote within 1 business day. These are the things that move it:

  • Number of products, variants, and templates
  • Apps and ERP or inventory integrations
  • Shopify Plus and checkout customization
  • Data migration from another platform

Compare

Custom Shopify theme vs premium template

Custom Shopify theme vs premium template
Custom themeTemplate
SpeedOnly the code you needFeatures you never use
DesignUnique to your brandShared with thousands of stores
ConversionBuilt around your productsGeneric layouts
Upfront costHigherLow, about $300

Process

How a Shopify project runs

Typical timeline: 8 to 16 weeks. You see progress every week.

  1. Step 01 · Week 1

    Discovery and audit

    We audit your current site, competitors, and how you show up on Google and in AI answers, then agree on goals and a fixed quote.

  2. Step 02 · Weeks 2 to 3

    Strategy and design

    Sitemap, wireframes and full designs for your review. You approve everything before we build.

  3. Step 03 · Weeks 3 to 6

    Build and test

    Development, SEO setup, speed tuning, and testing across devices and browsers.

  4. Step 04 · Launch and beyond

    Launch and grow

    We launch, monitor, and improve based on real data. 30 days of free support included.

In writing, before we start

  • Scope agreed in writing

    Deliverables, milestones and responsibilities are agreed before work starts. No surprises.

  • Launch date in writing

    A dated plan with weekly check-ins. If we slip because of us, the next month of support is free.

  • You own everything

    Code, designs, domains and accounts are yours from day one. No lock-in.

How to choose a Shopify development agency

Five questions to ask any team before you sign. We answer every one in writing.

  1. 01Can they show measured results?Ask for speed, ranking and lead numbers from similar projects, with sources.
  2. 02Is the scope clear?A written scope, milestones and a dated timeline protect you from surprises.
  3. 03Who actually does the work?Meet the people who will build your project, not only the sales team.
  4. 04How do they handle SEO and AI search?It should be built in from the start, including redirects if you have a site today.
  5. 05Do you own everything?Code, designs, domains and accounts should belong to you from day one.
Read the full guide: how to choose a web development company →

Industries we work with

  • Fashion
  • Beauty
  • Home goods
  • Food and drink
  • Health and wellness
  • Sports

Technology we use

  • Shopify
  • Shopify Plus
  • Liquid
  • Hydrogen
  • Klaviyo
  • Recharge

Shopify questions, answered

Straight answers to what buyers ask us, and what they ask Google and AI assistants. Ask us anything else.

What do Shopify development services include?

Theme design and development, app setup, integrations, Shopify Plus features, migrations, SEO, and conversion optimization.

How do you price a custom Shopify store?

Every project gets a fixed quote, agreed before work starts, based on pages, features, integrations and content. Send a short brief and you have a number within 1 business day. No hourly billing.

How long does it take to build a Shopify store?

Most projects run 8 to 16 weeks. You get a dated, week by week plan with the quote, and approvals are scheduled in it so nothing drifts.

Is Shopify good for SEO?

Yes. With a fast theme, clean collection structure, and product schema, Shopify stores rank well on Google and appear in AI shopping answers.

Do I need Shopify Plus?

Usually once you pass about $1 million a year or need checkout customization, B2B features, or multiple stores.

Can you migrate my store to Shopify?

Yes. We migrate products, customers, orders, and URLs from WooCommerce, Magento, BigCommerce, and others.

Can you improve my existing Shopify store?

Yes. We audit speed, apps, and conversion, then fix the biggest issues first.

Shopify or Shopify Plus?

Most growing stores start on Shopify. Shopify Plus adds checkout customisation, automation, B2B features and higher limits, which usually pay off for high volume or multi store brands.

Get your free Shopify proposal

Four quick questions. You'll get a fixed quote and a free audit of your current site within 1 business day.

  • ✓ No obligation, no sales pressure
  • ✓ Fixed price, never hourly
  • ✓ Your details stay private

Prefer email? hello@billionwebstudio.com

Step 1 of 4~60 seconds
What do you need?