Sell more, manage less — on the platform built for commerce
What We Build With
| Capability | Category |
|---|---|
| Custom storefront design | Design |
| Shopify Plus builds | Development |
| Platform migration | Migration |
| CRM & marketing integration | Integration |
| Checkout & payments setup | Commerce |
| Conversion optimization | Growth |
Arissa International’s Shopify development services build custom Shopify and Shopify Plus stores designed to convert, scale through peak demand, and connect seamlessly to your CRM. We turn Shopify’s all-in-one foundation into a working revenue engine, with custom storefronts, smooth checkouts, clean migrations, and the integrations that link your store to your wider operation. Backing every build: 20+ years of experience, 300+ clients, 92,000+ hours delivered, and 300+ completed projects.
At a Glance
What we build
Custom Shopify and Shopify Plus stores — design, development, migration, and integration
Our specialties
Conversion-focused storefronts, replatforming, app and CRM integration, ongoing growth support
Built for
Speed, secure payments, easy management, and stores that scale through peak demand
How we work
A staged build — plan, design, configure, test, launch, and optimize
Best for
Brands launching a new store, outgrowing another platform, or wanting more from their current Shopify setup
Why Shopify
Why Shopify for Your Online Store
Shopify has become one of the world’s leading commerce platforms, powering merchants in more than 175 countries. It earns that position by removing the friction that slows online sellers down:
All-in-one and fully hosted
Hosting, security, and payments are built in, so you're not stitching together separate systems or worrying about server uptime during a sales rush.
Secure by default
Shopify is PCI DSS compliant out of the box, with secure checkout and support for a wide range of payment methods, so customers trust the buying experience.
Scales from first sale to peak season
Whether you're processing your first order or handling a Black Friday surge, Shopify's infrastructure absorbs the load, which is why brands rarely outgrow it.
A vast ecosystem
A huge library of apps and integrations extends Shopify to handle almost any requirement, including subscriptions, bookings, loyalty, and multi-channel selling.
Leads where it matters
Among high-traffic online stores, Shopify is the most widely used hosted commerce platform, a sign of how well it performs when real sales volume is on the line.
The platform gives you a strong starting point. The difference between a Shopify store that merely exists and one that consistently converts comes down to how it’s built, which is where we come in.
What We Do With Shopify
We handle the full journey of a Shopify store, organized around the three stages every successful store moves through: getting built right, set up to sell and run smoothly, and positioned to migrate in and grow.
Build & design — a storefront that's unmistakably yours
- Custom store design. We design and develop storefronts tailored to your brand — not off-the-shelf themes everyone else is using — so your store looks distinctive and feels premium.
- Theme development and customization. Whether building a custom theme or tailoring an existing one, we shape the look, layout, and experience around how your customers actually shop.
- Responsive, mobile-first builds. With so much commerce happening on phones, every store is engineered to be fast and effortless to use on any device.
- Shopify vs Shopify Plus guidance. We help you choose the right tier — and for high-volume or enterprise needs, we build on Shopify Plus with its advanced customization and automation.
Sell & operate — everything working behind the sale
- Product and catalog setup. We structure your products, collections, variants, and inventory so your store is easy to browse and easy for you to manage.
- Checkout and payments. We configure secure, streamlined checkout and the right payment gateways to reduce friction and cart abandonment at the most important moment.
- Shipping, tax, and fulfillment. We set up shipping rules, tax handling, and fulfillment workflows so orders flow smoothly from click to doorstep.
- Apps and custom functionality. We integrate the right apps — and build custom features where apps fall short — for subscriptions, bookings, loyalty, and anything your store needs.
Migrate & grow — switch in cleanly, then scale
- Platform migration. Moving from WooCommerce, Magento, BigCommerce, or a custom store? We migrate your products, customers, orders, and SEO value to Shopify safely, with minimal disruption.
- CRM and marketing integration. As a HubSpot Gold Solutions Partner, we connect your store to your CRM and marketing tools — powering abandoned-cart recovery, customer segmentation, and revenue tracking that turn one-time buyers into repeat ones.
- Conversion optimization. We refine product pages, checkout, and the buying journey to lift conversion rates and average order value — because traffic only matters if it sells.
- Ongoing support and growth. Post-launch, we maintain, update, and keep improving your store as your catalog, traffic, and ambitions grow.
Our Process
How We Build Your Store
Building a store that sells is a staged process, and ours keeps you informed and in control at every step.
Plan
We learn your products, customers, and goals, then map the store structure, features, and the right Shopify tier for your needs.
Design
We design the storefront and shopping experience around conversion — and refine it with you until it reflects your brand.
Build & configure
We develop the theme and set up products, payments, shipping, apps, and integrations on a development store.
Test & launch
We test the full buying journey across devices, payment flows, and performance, then launch your store cleanly and securely.
Optimize
After launch, we track performance and refine the experience to keep conversions and revenue climbing.
Plan
We learn your products, customers, and goals, then map the store structure, features, and the right Shopify tier for your needs.
Design
We design the storefront and shopping experience around conversion — and refine it with you until it reflects your brand.
Build & configure
We develop the theme and set up products, payments, shipping, apps, and integrations on a development store.
Test & launch
We test the full buying journey across devices, payment flows, and performance, then launch your store cleanly and securely.
Optimize
After launch, we track performance and refine the experience to keep conversions and revenue climbing.
What Sets Us Apart
Why Arissa International for Shopify Development Services
Stores designed to convert, not just display
We build with the buying journey in mind — every layout, product page, and checkout decision aimed at turning visitors into customers.
Clean, careful migrations
Replatforming is where many stores lose data and rankings. We migrate methodically, protecting your products, customers, order history, and SEO value through the move.
Commerce connected to your CRM
As a HubSpot Gold Solutions Partner, we link your Shopify store to your wider marketing and sales systems — so you can recover abandoned carts, segment customers, and grow lifetime value, not just take orders.
In-house design and engineering
From custom theme work to bespoke functionality, our team handles the technically demanding builds in-house, so your store is engineered properly from start to finish.
Proven since 2006
Operating for over two decades, Arissa International has designed, built, and integrated digital platforms for businesses across industries worldwide.
The Funnel
How This Connects to Your Funnel
A Shopify store isn’t the end of your marketing — it’s where it pays off. Because Arissa International builds with integration in mind, your store becomes a connected part of your growth engine: traffic from your campaigns lands on pages built to convert, customer data flows into your CRM, and automated follow-ups recover lost carts and bring buyers back. We design the full path — from the ad or search result that brings someone in, to the checkout that closes the sale, to the email that earns the next one. That’s how a store stops being just a catalog and starts compounding your revenue.
Client Stories
Trusted by Businesses Worldwide
“
Beth Swanson
iPlantables
“
We have used this freelancer multiple times and are always satisfied. These have been challenging times to launch a new website and he was more than accommodating. We got it all done and he made sure we were happy with every detail.
Julie Pankey
JMPankey Partners — Senior Web Designer and Developer
“
It has been great working with Arissa — he has been very reliable and his team are flexible and diligent. Many thanks Arissa!
Alan Riley
Riley Media Ltd





















Helping 300+ clients thrive with scalable solutions.
Ready to build a store that sells?
Whether you’re launching your first Shopify store, moving from another platform, or want more from the store you have, Arissa International has the design and engineering expertise to make it convert. Book a free consultation and we’ll map out the right approach for your brand.
FAQ
Frequently Asked Questions
How Much Does It Cost to Build a Shopify Store?
Shopify development services are typically delivered as a project-based engagement with a fixed scope and timeline. The cost depends on the size of your catalog, how much custom design you want, and the apps, integrations, and functionality your store needs. A focused store with a clean, conversion-ready design sits at one end of the range; a highly customized or Shopify Plus build at the other. We scope each project after understanding your goals, so you receive an accurate quote rather than a generic figure.
How Long Does It Take to Build a Shopify Store?
A straightforward store typically takes a few weeks, while larger builds with custom design, migration, or complex functionality generally run from several weeks to a couple of months. After our planning phase, we give you a clear timeline based on your specific scope, so you know exactly what to expect.
Can You Migrate My Existing Store to Shopify?
Yes. We migrate stores from platforms like WooCommerce, Magento, BigCommerce, and custom-built sites, carefully transferring your products, customers, order history, and SEO value. We plan migrations to avoid data loss and ranking drops, and to minimize downtime, so the switch is smooth for you and seamless for your customers.
What's the Difference Between Shopify and Shopify Plus?
Standard Shopify suits most small and growing businesses, while Shopify Plus is the enterprise tier built for high-volume merchants, offering deeper customization, more automation, higher API limits, and dedicated support. We’ll help you decide which tier fits your sales volume and requirements, and build on whichever is right, so you’re not overpaying or outgrowing your setup.
Can You Integrate My Shopify Store With My CRM and Marketing Tools?
Yes, and it’s a particular strength of ours. As a HubSpot Gold Solutions Partner, we connect Shopify to your CRM, email marketing, and analytics tools so customer and order data flows automatically. That powers abandoned-cart recovery, customer segmentation, and revenue tracking, turning your store into a connected part of your growth engine.
Can You Improve the Conversion Rate of My Existing Shopify Store?
Yes. If you already have a Shopify store that’s getting traffic but not enough sales, we audit the buying journey and refine product pages, navigation, and checkout to remove friction and lift conversions. Often the most meaningful gains come from optimizing what you already have rather than rebuilding.
Will I Be Able to Manage the Store Myself After Launch?
Absolutely. Shopify is designed to be merchant-friendly, and we build your store so your team can add products, update content, process orders, and run promotions without a developer. We also provide training and documentation at handover, so you’re fully confident running day-to-day operations.
Do You Provide Support After My Store Goes Live?
Yes. We don’t disappear at launch. We offer ongoing maintenance, updates, and support, plus continued optimization and new feature development as your store grows. You can arrange the level of ongoing support that matches how hands-on you want to be.