Shopify Plus Agency for High-Volume and Headless Stores

A Shopify Plus agency should earn its place by making the Plus plan pay for itself. Many Plus stores run like a standard Shopify store with a larger monthly bill: checkout untouched, discount logic spread across three apps, wholesale handled by email, and international customers served from one currency. Our Shopify Plus work closes that gap. It is part of our Shopify development services, delivered by our senior-led team of Shopify Plus developers.

We work with brands already on Plus, deciding whether to upgrade, or considering headless Shopify. The first conversation is usually about which Plus features would change revenue or save staff time, and which would only add complexity.

What Our Shopify Plus Agency Services Include

Our Shopify Plus development services cover design, build and ongoing work, so you do not need a separate Shopify Plus design agency for the storefront and another firm for checkout logic.

• Upgrades and replatforming to Plus. Moving from Shopify Basic, Advanced or another platform onto Plus, with data, apps and SEO redirects planned through our Shopify migration service.
• Checkout Extensibility. checkout.liquid has been deprecated, so checkout changes are now built with checkout UI extensions, the checkout branding settings and web pixels through Customer Events. We rebuild legacy checkout customizations and tracking in the supported way.
• Shopify Functions. Custom discount logic, tiered shipping rules, hidden or reordered payment methods and cart validation, replacing the Ruby-based Shopify Scripts that Shopify has deprecated. Functions are delivered by our Shopify app development team.
• B2B on Shopify. Company accounts, catalogs with negotiated prices, payment terms and quantity rules, run from the same admin as retail. Larger wholesale projects are covered by our B2B ecommerce development service.
• International selling. Shopify Markets for currencies, languages and domains, or separate expansion stores when regions need different catalogs, pricing or teams.
• Automation and launches. Shopify Flow workflows for tagging, fraud review and inventory alerts, and Launchpad for scheduled product drops and sales that switch themes, discounts and product visibility on time.
• Headless Shopify. Custom storefronts built with Hydrogen and deployed on Oxygen, or with Next.js, using the Storefront API with Shopify still running checkout.

What Is the Difference Between Shopify and Shopify Plus?

Shopify Plus runs on the same platform and admin as the standard plans, but adds deeper checkout customization, custom Functions, expansion stores, Launchpad, unlimited staff accounts and higher API limits, on a different pricing model. The practical differences for most merchants look like this:

If none of those rows would change how you sell, the upgrade can wait.

Headless Shopify: When It Is Worth It

Headless Shopify separates the storefront from the commerce back end. Shopify still holds products, customers, orders and checkout, while a React front end built with Hydrogen or Next.js renders the pages. It gives full control over the shopping experience, but it is not a free upgrade. Unlike a headless Shopify agency that only builds headless, we turn down headless projects when a theme would do the job.

Headless builds pair naturally with a headless CMS for editorial content. Our headless CMS development team handles that side of the project. If the real goal behind a headless proposal is a faster store, start with Shopify speed optimization on your current theme, which costs far less and is often enough.

How We Work With Shopify Plus Merchants

1. Plus audit (1 to 2 weeks). We review which Plus features you use, any remaining Scripts or legacy checkout code, apps that duplicate native features, theme health and tracking. You get a written list of issues and opportunities, ranked by revenue impact and effort.
2. Roadmap (about 1 week). We turn the audit into a sequenced plan. Deadline-driven items, such as moving logic off deprecated features, go first, followed by the changes most likely to affect conversion or staff time.
3. Build and test away from live trading (3 to 8 weeks per project). Work is built on development or sandbox stores and unpublished themes, then tested with real carts, discount combinations and payment methods before release.
4. Release around your trading calendar (planned release windows). We avoid shipping large changes during peak weeks such as Black Friday and Cyber Monday, and use Launchpad for scheduled campaign changes so nobody is editing the live store at midnight.
5. Ongoing development (monthly). After the initial project, most Plus merchants keep a monthly allocation of development time or a dedicated Shopify developer for continuous improvements.

Shopify Plus Development Deliverables and How We Judge Progress

• Plus audit report. Every Plus feature listed as used, unused or misused, with remaining Scripts, legacy checkout code, duplicate apps and tracking gaps, each ranked by impact and effort.
• Sequenced roadmap. Projects in order, with deadlines that Shopify sets (such as feature deprecations) shown separately from optional improvements.
• Working changes on your store. Checkout extensions, Functions, B2B setup, Flow workflows or expansion stores, built in your repositories and tested on development stores first.
• Test records. The cart, discount, shipping and payment combinations tested before each release, so you can see what was checked.
• Documentation. What each Function and extension does, which settings control it, and how to switch it off safely.

Progress is judged against what the audit found. Typical measures are apps removed because a native Plus feature replaced them, Scripts and legacy checkout code fully retired, purchase events in GA4 and ad platforms matching Shopify order counts after checkout changes, B2B orders arriving online instead of by email, and fewer manual steps for staff during launches. We set these with you at the start. We do not promise revenue or conversion targets, because traffic, pricing and product decisions sit outside development work.

Shopify Plus Mistakes That Waste the Plan

• Paying twice for the same feature. A wholesale app, a scheduling app and a discount app running alongside native B2B, Launchpad and Functions that do the same job.
• Leaving deprecations to the last month. Scripts and checkout.liquid rebuilds squeezed into peak season, when testing time is shortest.
• Tracking left behind. Pixels that lived in the old checkout never moved to Customer Events, so ad platforms lose purchase data after an upgrade.
• Expansion stores without a sync plan. Products, prices and content copied by hand between stores until they drift apart.
• Unlimited staff accounts with no permission plan. Everyone gets full access, and nobody can tell who changed a price or a theme setting.

Shopify Plus Agency, In-House Developers or Freelancers?

A common split is an agency for Plus-specific projects and an in-house developer for weekly theme changes, with both working in the same repository.

What to Look for in a Shopify Plus Development Company

1. They ask about your trading calendar before proposing release dates.
2. They can explain how they would replace each Script or legacy checkout customization you run today.
3. They test tracking after checkout changes, not only the visual result.
4. They recommend against headless or extra apps when a theme or native feature is enough.
5. Code, apps and the Plus organization stay in your name, and their access can be removed.

Shopify Plus Use Cases by Merchant Type

• Fashion and streetwear brands running drops. Launchpad schedules the theme, discounts and product visibility, and cart validation Functions limit quantities per customer.
• Brands adding wholesale. Native B2B with company accounts and catalogs, often on a separate wholesale storefront with its own design.
• International brands. Shopify Markets for most regions, and expansion stores where a country needs its own catalog, team or pricing.
• Subscription and consumable brands. Checkout extensions for delivery notes and gift messages, plus Flow workflows for subscription tagging and fraud review.

Shopify Plus and Headless Tools We Use

Why Choose 95 Solutions as Your Shopify Plus Agency

• Senior-led strategy. Mustafa sets the roadmap on every Plus account, drawing on 11+ years in digital marketing and ongoing marketing leadership for two fashion brands.
• Commerce and marketing in one team. Checkout changes, tracking and ad platform data are planned together, so a checkout update never quietly breaks conversion tracking.
• Everything stays yours. The store, organization, apps, code repositories and ad accounts belong to your business, and our access is removable at any time.
• Straightforward terms. Fixed-price projects, USD contracts from our US LLC, and working hours that cover the US business day and overlap UK hours.

Merchants Ready for Shopify Plus Development

A good fit

• Merchants on Plus who have not touched checkout, Functions or B2B since upgrading.
• Brands that still rely on legacy checkout code or Scripts and need them replaced properly.
• Brands selling into several countries, or launching wholesale alongside retail.
• Teams with a real case for headless Shopify and the budget to maintain it.

Probably not a fit

• Stores that would gain nothing from Plus features yet. We will say so and suggest staying on your current plan.
• Brands that want headless for its own sake without the budget for ongoing front-end development.

Shopify Plus Development Pricing

As a Shopify Plus development company, we price Plus projects at a fixed price after an audit and scope, paid in milestones. Most fall under the custom or Plus build plan below, and migrations onto Plus use the store migration plan. Ongoing work runs on a monthly allocation or a dedicated developer.

What moves the price most is the number of Scripts and checkout customizations to rebuild, how many expansion stores or markets are involved, the depth of B2B setup (number of companies, catalogs and payment terms), the ERP or 3PL integrations touched, and whether the storefront stays on Liquid or goes headless. Shopify's own Plus subscription is billed by Shopify to you and is separate from our fees.

For a quote on your Plus roadmap or a headless build, send us your store URL and goals. Ownership and contract questions are answered in our agency FAQ.

Start With a Shopify Plus Audit

If you are on Plus or weighing an upgrade, the first step is a conversation about what you sell, where staff time goes and what is planned for the next two quarters. Reach us through the contact page, or call or WhatsApp us from there. We reply within one business day, hold a short call with you, and follow up with a written scope for the Plus audit, its timeline and fixed fee. If staying on your current plan makes more sense, we will tell you on that call.