Starhead Digital

Shopify Plus

A Shopify Plus development company for brands ready to scale

We help growing brands decide whether Shopify Plus is the right next step, then migrate, build and integrate it properly: checkout customization, Shopify Functions, B2B, automation and ERP connections, all delivered by one team.

Brands we have built for

FellerOcean State of MindPrince + BroomeSupa SuppsBeholderBodaLove by LilyLuna & WillowMovereRawwBahiaSalus SaunasMi AmorKartelRitzyWear This Not That

What a Shopify Plus development company actually does

Shopify Plus is Shopify’s plan for high-volume and complex businesses. It adds deeper checkout customization, automation tools, higher limits for B2B selling, expansion stores and more control over how the store behaves at scale. A Shopify Plus development company helps you use those capabilities well: deciding what you need, migrating safely, building the storefront and checkout and connecting the systems that run your business.

Plus does not fix a store by itself. A slow theme, a messy catalog or an unclear checkout will still hurt on any plan. The value comes when the platform’s extra control is matched with careful design and engineering, which is where most Plus projects either pay off or disappoint.

We approach Plus work the same way we approach every build: a written scope first, a clear sequence of milestones and a team that stays close after launch. Our Kartel Watches project is a good example, a Shopify Plus build with ERP, CRM and 3PL integrations behind a storefront designed around a brand with physical stores and global ambitions.

  • An honest view of whether you need Plus, or whether a standard plan still fits
  • Migration from other platforms or from a standard Shopify plan, with redirects and data tested
  • Checkout customization with Shopify’s checkout extensibility and Functions
  • B2B and wholesale experiences alongside your retail store
  • ERP, CRM, PIM and 3PL integrations documented and tested
  • Support and improvement after launch

Not sure if Plus is the right plan? Tell us your volume, markets and systems and we will give you a straight answer.

Shopify Plus development services we offer

Each service can be taken on its own or combined into one project with a single scope and team.

  • Move

    Shopify Plus migration

    Moving from Magento, WooCommerce, Salesforce Commerce Cloud, BigCommerce or a standard Shopify plan, with products, customers, orders and redirects planned and tested before launch.

  • Build

    Shopify Plus store development

    Custom themes and sections on Online Store 2.0 that your team can edit, built around your catalog, content and brand.

  • Checkout

    Checkout customization

    Checkout branding and extensions built with Shopify’s checkout extensibility, including moving older checkout.liquid customizations to the supported approach.

  • Logic

    Shopify Functions development

    Custom discount, delivery and payment logic that runs on Shopify’s infrastructure, for rules that standard settings cannot express.

  • Wholesale

    B2B on Shopify Plus

    Company accounts, catalogs and price lists, payment terms and quantity rules, so trade buyers can order in their own way.

  • Systems

    ERP, CRM and 3PL integrations

    Inventory, orders and customer data connected between Shopify and the tools that run operations, with clear ownership of each data flow.

  • Expand

    Expansion stores and Markets

    Regional storefronts, currencies and languages through Shopify Markets or expansion stores, planned around how you actually operate.

  • Automate

    Shopify Flow and automation

    Workflows for tagging, fraud review, inventory alerts and customer service tasks, so repetitive work runs itself.

  • After launch

    Performance, SEO and support

    Speed audits, technical SEO and ongoing support, so the store keeps pace with growth.

Is Shopify Plus the right move for your store?

Plus is a strong platform for the right business and an expensive one for the wrong one. These are the questions we work through with clients.

Signs you may be ready for Plus

Brands usually look at Plus when the standard plan starts to get in the way: checkout rules they cannot express, a need for several storefronts, wholesale volume that outgrows basic B2B limits or an operations team buried in manual work. Growth in orders and revenue is part of it, but complexity matters as much as volume.

We ask what is actually blocking you today and whether Plus removes it. If a standard plan with better design or a few app changes would solve the problem, we will say so. Moving up later is straightforward, so there is no reason to pay for capacity you do not use.

  • Checkout needs that go beyond the standard settings
  • Several brands, regions or channels that need separate stores
  • Wholesale or B2B selling alongside retail
  • Heavy manual operations that automation could remove
  • Integrations with ERP, warehouse or finance systems

Checkout: where Plus earns its keep

Checkout is the most valuable and most sensitive part of any store. Plus gives you more control over branding, extensions and custom logic through Shopify’s checkout extensibility and Functions, while Shopify continues to manage the checkout’s security and performance.

We use that control sparingly. Every checkout change is tested against conversion and speed, because a clever idea that adds friction costs more than it earns. Where an older store relies on legacy checkout.liquid customizations, we plan the move to the supported approach so it does not become an emergency later.

Functions instead of workarounds

Complex discount stacks, delivery rules that depend on products or customer groups and payment rules for certain orders used to need fragile workarounds. Shopify Functions let developers add that logic in a supported, performant way.

We scope Functions around business rules in plain language first, then build and test them against real baskets. The result is logic your team can understand, document and change.

B2B and wholesale on the same platform

Selling to trade buyers needs different tools from selling to shoppers: company accounts, tailored catalogs and prices, payment terms and quantity rules, and quick reordering. Shopify’s B2B features are available beyond Plus, with higher limits on Plus, so the right plan depends on your volume and needs.

We design B2B journeys with your sales team, because the best experience mirrors how your buyers already order, not how a template assumes they do.

Integrations that stay maintainable

Larger stores rarely run on Shopify alone. Orders and stock flow to an ERP, customer data to a CRM, product content from a PIM and shipments through a 3PL. The risk is a tangle of connections nobody fully understands.

We map each data flow first: what moves, in which direction, how often and who owns it. Then we build the integrations, document them and test failure cases, so a failed sync is visible rather than silent.

Selling in more than one country

Shopify Markets lets a single store present different currencies, languages and shipping options by market. For some brands that is enough. Others need separate expansion stores for different brands, regions or business models.

We help you choose based on how your teams work, how your catalog differs by region and how much control each market needs, then build the structure with shared code where it makes sense.

Speed, security and team access

More control also means more ways to slow a store down. Heavy themes, stacked apps and unmanaged scripts hurt speed on any plan, and a checkout extension that adds friction costs conversions. We set performance budgets at the start, audit every app and script and test on mid-range phones before launch.

Shopify hosts the platform and manages the security of the checkout, so our focus is on what we add to it: code quality, app permissions and who on your team can change what. We set up staff roles and permissions so marketing, merchandising and operations teams can work safely without stepping on each other.

Migrating without losing what you have built

A Plus migration touches revenue, search visibility and customer trust, so it deserves a plan. We audit the current store, agree what moves and what is retired, map redirects, test the migrated data and rehearse the launch, including a rollback plan.

Wherever possible, we run the new store in parallel and switch over in a controlled window, keeping the old store available until the new one is proven.

What a Shopify Plus project includes

The scope we agree in writing before work starts, grouped the way the work happens.

Strategy

  • Plus readiness review and written scope
  • Platform, plan and integration map
  • Migration plan with risks and rollback
  • Success measures agreed up front

Storefront

  • Custom Online Store 2.0 theme
  • Editable sections for marketing teams
  • Search, filtering and merchandising tools
  • Accessibility and speed targets

Checkout

  • Checkout branding and extensions
  • Shopify Functions for custom rules
  • Payment and delivery logic
  • Conversion testing before launch

Commerce operations

  • B2B accounts, catalogs and price lists
  • Markets and expansion store set-up
  • Shopify Flow automations
  • Roles, permissions and staff access

Integrations

  • ERP, CRM, PIM and 3PL connections
  • Data mapping and error handling
  • Analytics, ads and email tracking
  • Documentation for each data flow

Launch and care

  • Staged cut-over with redirects
  • Team training and recorded walkthrough
  • Post-launch support window
  • Optimization roadmap

How our Shopify Plus development process works

Six stages, each with a clear output, so scope, risk and progress stay visible.

  1. 01Assess

    Needs, systems and readiness

    We review your store, volume, markets and systems, and give you an honest view of whether Plus is the right plan and what the project involves.

  2. 02Plan

    Architecture and migration plan

    Catalog, checkout, B2B, integrations and migration steps are agreed in writing, with risks and a rollback plan.

  3. 03Design

    Experience design and sign-off

    We design the key templates and checkout touchpoints for mobile and desktop. You approve the design before development begins.

  4. 04Build

    Theme, checkout and integrations

    Developers build the theme, Functions and extensions, then connect your systems in stages with working previews.

  5. 05Test

    Orders, data and load

    We test checkout paths, integrations, data migration and speed, and rehearse the cut-over so launch day is controlled.

  6. 06Launch and scale

    Cut over, then keep improving

    We launch in a planned window, watch early orders closely, train your team and agree the next improvements based on real data.

Shopify and Shopify Plus compared

A practical comparison of what changes when you move up. Exact limits and pricing are set by Shopify, so confirm them before you decide.

Standard Shopify plansShopify Plus
Best suited toNew and growing brands with standard needsHigh-volume or complex businesses
Checkout controlStandard checkout with settings and extensionsDeeper customization with extensibility and Functions
AutomationApps and basic workflowsShopify Flow and other automation tools included on Plus
B2B sellingCore B2B features with lower limitsHigher limits for companies, catalogs and price lists
Multiple storefrontsOne store, with Markets for regionsExpansion stores available for separate brands or regions
Support and partnershipStandard supportPlus support and partner resources
When to chooseWhen standard settings meet your needsWhen complexity or volume demands more control

The right plan changes as your business does. We will tell you plainly if a standard plan is still the better fit.

Shopify Plus and scale work we have delivered

Kartel Watches is a Shopify Plus build with ERP, CRM and 3PL integrations. The other projects show how we handle large catalogs and design-led brands.

Kartel Watches Shopify store

Shopify Redesign

Kartel Watches

  • UX/UI Design
  • Theme Development
  • Performance Enhancement
  • Shopify Search & Discovery
  • Judge.me Product Reviews App
The problem
Kartel Watches faced limitations with their existing e-commerce platform. Looking for a fresh Shopify store design and a solution to support faster growth, they partnered with us for a complete redesign and rebuild.
What we built
We structured the site with clear and engaging navigation, segmenting it into Watches, Experiences, Accessories, Gift Cards, and About. This intuitive layout made it easy for customers to discover both products and experiential…
The result
The new Shopify Plus storefront for Kartel Watches elevated both the brand’s digital presence and customer experience. The immersive homepage and intuitive navigation encouraged deeper exploration across products and experiences…
Ritzy Shopify store

Shopify Redesign

Ritzy

  • UX/UI Design
  • Theme Development
  • Shopify Search & Discovery
The problem
RITZY's growing retail presence and expanding international audience demanded a digital storefront that could match the brand's premium, culture-forward identity. The existing online experience lacked the visual refinement and…
What we built
We built RITZY's Shopify store development with a design language rooted in refinement, warmth, and cultural resonance. The layout was structured to foreground the brand's high-quality product photography, with clean typographic…
The result
The redesigned Shopify store gave RITZY a digital presence worthy of its status as a recognised Emirati jewellery brand. By translating the brand's in-store elegance into a fluid, performance-optimised online experience, the…
Movere Shopify store

Shopify Redesign, Rebranding

Movere

  • UX and UI Design
  • Custom Shopify Theme Development
  • Shopify Search & Discovery
  • Judge.me Reviews Integration
  • Klaviyo integration
The problem
A brand built on intention, quality, and effortless movement needed a digital home that felt the same way. The store MOVERE needed at launch had to do three things at once. Mirror the elevated positioning of the brand. Put…
What we built
One rule sat at the center of the build. Let the product lead. Design came first. A minimal layout, generous whitespace, restrained typography, and a neutral palette gave every piece the room it needed to feel premium…
The result
MOVERE now has a digital flagship that lives up to the brand behind it. Elevated, fast, effortless across every device. Product discovery is sharper, built around how real customers actually browse. Trust signals land earlier in…
Supa Supps Shopify store

Shopify Development

Supa Supps

  • UX/UI Design
  • Theme Development
  • Product Optimization
  • Shopify Search & Discovery
  • Judge.me Product Reviews App
The problem
The previous Supa Supps website did not accurately convey the brand’s purity-driven philosophy or the premium quality of its products. The design lacked consistency, product categories were not structured intuitively, and the…
What we built
We designed and developed a custom Shopify theme tailored for clarity, performance, and brand storytelling. The UI was built around clean layouts, organic tones, and bold typography that reflected Supa Supps’ purity-driven…
The result
The new Shopify store gave Supa Supps a digitally mature, conversion-focused platform that perfectly mirrors its commitment to purity and performance. Customers now experience faster browsing, improved product discovery, and a…

Shopify Plus for every business model

Plus supports very different businesses. The build changes with the buyer.

  • D2C

    Direct-to-consumer brands

    Custom checkout experiences, subscriptions and loyalty tools, and automation that frees your team to focus on the brand.

  • B2B

    Wholesale and trade

    Company accounts, catalogs, price lists and payment terms that let trade customers order in their own way.

  • Retail

    Retail and omnichannel

    A store that connects to point of sale, inventory and fulfillment systems, so online and in-store stay in step.

Shopify Plus problems we are often asked to fix

If one of these sounds familiar, a short conversation or an audit is usually the right first step.

  • Paying for Plus but not using it

    Many stores pay for Plus features they have never switched on. We audit what you have and build the pieces that matter.

  • Legacy checkout customizations

    Older checkout code can break or limit you. We plan the move to the supported approach before it becomes urgent.

  • Integrations that fail silently

    Stock or order syncs that break unnoticed cause oversells and delays. We add monitoring and clear error handling.

  • A theme that slows growth

    Heavy themes and stacked apps hurt speed and conversion. We rebuild on clean, editable sections.

  • Manual operations

    Repetitive tasks eat team time. We automate with Shopify Flow and clean integrations.

  • A migration that feels risky

    Rankings, customer data and orders are at stake. We plan, rehearse and keep a rollback ready.

Testimonials

What brands say about working with us

5.0from 8 client reviews

  • From creation of my site to working with them after for updates and changes to my site. The team goes above and beyond. Their communication, service and attention to detail is very good. They are wonderful to work with and very helpful with questions. I have found a team who believes in growth, creativity and good work ethic. Appreciate Starhead for always supporting our team!

    Alisha

    Ritzy

  • We are so happy with Starhead. They did an exceptional job at helping us create a new website with our new branding. We especially appreciate the good communication, the attention to details, the understanding and proactiveness. I am so happy we chose Starhead to help us, and 10/10 recommend them. We will continue to work with them in the future. Thank you so much for your work!

    Solveige Itervag

    Movere

  • ABSOLUTELY BEYOND AMAAZZING I HIGHLY HIGHLY RECOMMEND Prashant and Gaurav were super professional and kind. Their #1 goal is deliver everything you as the customer envision. Super detailed, very responsive, cares about the client Starhead Digital made every thing come true that i dream about having for my website I Definitely will be using Starhead Digital in future projects

    Julia

    Ocean State of Mind

  • It was a pleasure to work with Starhead Digital. They delivered the website extremely quick while also exceeding expectations of what we wanted. They ensured we were satisfied and were very communicative throughout the whole process. I will definitely be working with them again for any other projects, or even a website refresh. If you are looking for amazing quality work at a very reasonable price, I completely recommend!

    Chris

    Supa Supps

  • Very professional and focussed on exactly meeting my expectations. Any specifications I gave them they fully fulfilled or had an answer. I got quick replies to my questions at any time of the day and their communication in English is probably better than mine ';).
    Fully satisfied!

    Felix Brosi

    The Perfect Biquini(Bossa)

  • Working with Starheadtech was an absolute pleasure! They built and optimized our Shopify store beautifully — seamlessly integrating Google, TikTok, and Klaviyo. Their clear communication, problem-solving mindset, and clean custom coding truly stood out. Fast, professional, and genuinely results-driven. We're thrilled with our new site and can't recommend him enough!

    Jessica

    Love by Lilly

  • The team at Starhead digital was amazing to work with. They captured all the details I needed for an operational website. They were quick, understood the task, and even went above and beyond of the requirements. Thanks Prashant & team, would love to work with them again and recommend them to others.

    Sebastian

    Ina Malibu

  • Starhead Digital successfully helped us to migrate from Magento to Shopify. It was a great experience to work with them. The whole process was very much organize and smooth. The team was highly responsive, and internal stakeholders were particularly impressed with the Starhead Digital.

    Amy

    Salus Saunas

Common FAQs

Frequently asked questions

  • What is a Shopify Plus development company?

    A Shopify Plus development company designs, builds and supports stores on Shopify Plus, Shopify’s plan for high-volume and complex businesses. That includes migration, theme and checkout customization, Shopify Functions, B2B, automation and integrations with systems such as ERP and 3PL.

  • When should I move to Shopify Plus?

    Consider Plus when standard settings block you: checkout rules you cannot express, several storefronts, wholesale volume that outgrows standard limits or heavy manual operations. Volume matters, but complexity matters as much. We will tell you plainly if a standard plan still fits.

  • How much does Shopify Plus development cost?

    It depends on scope, so we quote after a short call. Shopify sets the Plus subscription price, while development cost depends on migration size, custom checkout logic, B2B needs and integrations. A fixed written scope means you see an itemized quote before work begins.

  • How long does a Shopify Plus migration take?

    It depends on catalog size, integrations and customization, and a typical project runs for several weeks. We give a timeline with milestones after the assessment, and we plan a controlled cut-over with a rollback option.

  • Can you migrate my store from Magento or WooCommerce to Shopify Plus?

    Yes. We migrate products, customers, orders and content from platforms such as Magento and WooCommerce, plan redirects to protect search visibility and test the data before launch. We confirm exactly what moves during the assessment.

  • Can you customize the Shopify Plus checkout?

    Yes. We build checkout branding and extensions with Shopify’s checkout extensibility and add custom logic with Shopify Functions. We also plan the move from older checkout.liquid customizations to the supported approach.

  • Does Shopify Plus support B2B and wholesale?

    Yes. Shopify offers B2B features such as company accounts, catalogs, price lists, payment terms and quantity rules, with higher limits on Plus. We design the buying journey around how your trade customers already order.

  • Can you integrate Shopify Plus with our ERP or 3PL?

    Yes. We connect Shopify with ERP, CRM, PIM and 3PL systems, map each data flow, document it and test failure cases. Our Kartel Watches project includes ERP, CRM and 3PL integrations on Shopify Plus.

  • Should I use expansion stores or Shopify Markets?

    Markets suits brands that want different currencies, languages and shipping options from one store. Expansion stores suit separate brands, regions or business models that need independent control. We help you choose based on how your teams work.

  • What is Shopify Functions?

    Shopify Functions let developers add custom logic, such as discounts, delivery options and payment rules, that runs on Shopify’s infrastructure. They replace fragile workarounds with supported, performant code that your team can document and change.

  • Do you offer support after launch?

    Yes. A post-launch support window is included, along with a walkthrough so your team can run the store. For ongoing work, you can use a monthly plan or hourly support for fixes, updates and improvements.

  • How do I choose a Shopify Plus agency?

    Look at relevant Plus case studies, how the team handles integrations and migration risk, whether scope and pricing are written down and who will actually do the work. A short call and a technical audit of your current store are a low-risk way to test the fit.

Get started

Ready to build your Shopify Plus store?

Tell us about your volume, markets and systems. We will reply with an honest view of the right plan, a written scope and the questions we need answered.