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Shopify Plus Agency for U.S. Enterprise and High-Growth Brands

We build, migrate and optimise Shopify Plus stores with complex B2B, ERP, checkout and multi-market requirements; helping ambitious brands scale without fragile architecture, operational disruption or conversion-limiting storefronts.

  • Shopify Plus migration and replatforming
  • B2B and DTC in one ecosystem
  • Checkout extensibility, CRO, and systems integration
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Trusted by Shopify Plus Brands

Why a partner, not a stopgap

A Shopify Plus Partner That Thinks Beyond the Next Ticket

One-off fixes can solve today’s issue while creating tomorrow’s dependency. Before a change is shipped, we consider who will own it, how it will be maintained, and what it may affect elsewhere in the operation.

Xovak works as an extension of your ecommerce team, not simply a vendor completing isolated tickets. We document key decisions, surface risks early, and keep technical ownership clear, helping your team reduce short-term workarounds, transfer knowledge smoothly, and continue improving Shopify Plus after launch.

Illustration of a shopper browsing products across Shopify Plus storefronts
10 +yrs
A decade of experience
350 +
Shopify & Shopify Plus launches
$ 147 M+
tracked client revenue influenced
55 +
Dedicated In-house team
Migrate from Magento, WooCommerce, BigCommerce, Wix or a custom ecommerce platform to Shopify Plus while preserving product, customer, order and SEO data and reconnecting ERP, CRM, PIM and fulfilment systems.

Trusted Shopify Plus Migration Partner

We migrate established ecommerce businesses from Magento Open Source and Adobe Commerce, BigCommerce, WooCommerce, Prestashop, Volusion and custom ecommerce platforms to Shopify Plus.

Migration planning covers more than product data. We map URLs and redirects, customer and order data, integrations, analytics, content, checkout requirements and launch dependencies before the new store goes live.

For SEO-sensitive migrations, existing organic landing pages are mapped before URL changes are approved, and redirects are validated before and after launch.

Shopify Plus Services for Complex Commerce

Shopify Plus projects become difficult when the storefront is only one part of the system. Products may originate in a PIM. Inventory may come from an ERP or WMS. Orders may move through an OMS or 3PL. B2B customers may require company accounts, catalogs, payment terms and custom pricing. Marketing teams still need a storefront they can update without waiting for developers. XOVAK as a trusted Shopify Plus agency brings those requirements together into one Shopify Plus delivery plan.
Icon Representing Custom Shopify Plus development and theme engineering by Xovak Studio, A top-rated shopify plus agency in united states building scalable high performance ecommerce stores

Shopify Plus Development and Theme Engineering

Custom theme builds and component systems that stay maintainable. We keep your build clean, structured, and scalable, so future changes don’t require a rebuild.
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Ecommerce data dashboards representing Magento, BigCommerce and WooCommerce migration to Shopify Plus

Migration and replatforming

We move brands from Magento, BigCommerce, WooCommerce, and custom stacks to Shopify Plus with redirect planning, data validation, launch QA, and post-launch monitoring built around revenue protection.
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Shopify Plus B2B and wholesale ecommerce solutions USA with custom pricing company accounts and scalable purchasing workflows

B2B and Wholesale

We implement Shopify Plus B2B journeys with company accounts, custom catalogs, pricing rules, quantity logic, payment terms, and DTC/B2B coexistence in one commerce ecosystem.
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Shopify Plus checkout analytics, performance and conversion rate optimization

Checkout, performance, and CRO

We improve revenue where it matters most: checkout extensibility, Shopify Functions, Core Web Vitals, merchandising UX, testing, and conversion-focused iteration.
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Shopify Plus systems integration architecture for ERP, CRM, PIM, OMS, WMS and 3PL

Integrations and data architecture

We connect Shopify Plus to ERP, CRM, PIM, OMS, WMS, 3PL, subscriptions, loyalty, and analytics systems with defined sync rules, observability, and clean failure handling.
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Shopify Plus multi store architecture and expansion strategy for global ecommerce brands managing multiple storefronts in USA

Multi‑Store and Expansion Store Architecture

If your brand needs separate stores for regions, B2B, or distinct business units, we design the operating model: governance, theme strategy, shared components, and rollout processes built for Shopify Plus multi-store capability.
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Shopify Functions logic for discounts, delivery rules and cart validation

Shopify Functions and Advanced Commerce Logic

When native settings aren’t enough, we build logic for discounts, delivery rules, cart/checkout validations, and other backend behaviours using Shopify’s modern extensibility approach.
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Custom frontend interface for headless and composable commerce on Shopify Plus

Headless and Composable Commerce on Shopify Plus

When you truly need headless (performance, custom front-end requirements, complex experience layers), we build with Shopify’s recommended stack and deployment approach, keeping performance and maintainability central.
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Developer providing ongoing Shopify Plus support and storefront optimization

Ongoing Shopify Plus Support and Growth Retainers

Launch is not the finish line. We provide ongoing development, optimisation, QA, release management, and proactive improvements, so your store keeps getting better, not just older.
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Shopify Plus agency based out in USA mainly focused on plus store builds,migration, b2b, CRO

When Shopify Plus Is the Right Fit

Shopify Plus is the right fit when revenue growth is creating operational complexity that standard storefront setups cannot absorb comfortably. If your brand needs B2B and DTC in one ecosystem, more advanced checkout control, cleaner integration with ERP, CRM, WMS or PIM tools, stronger market-specific experiences, or a more controlled go-live process, Shopify Plus becomes an operating platform rather than just a storefront. We helps brands make that step without treating the project like a visual redesign only.

What Brands Say About Working With Xovak

When a Shopify Plus storefront supports millions in ecommerce revenue, choosing the right development partner is more than a technical decision. Clear communication, responsible problem-solving, dependable delivery, and consistent support all matter.

Xovak supports established Shopify Plus brands with custom development, integrations, performance improvements, and ongoing technical support.

What Brands Say About Working With Xovak

When a Shopify Plus storefront supports millions in ecommerce revenue, choosing the right development partner is more than a technical decision. Clear communication, responsible problem-solving, dependable delivery, and consistent support all matter.

Xovak supports established Shopify Plus brands with custom development, integrations, performance improvements, and ongoing technical support.

How We Work

We begin by understanding how your ecommerce operations actually work. This includes your product structure, customer flows, fulfillment rules, and the systems that hold your key data such as ERP, CRM, IMS, and PIM. We identify your system of record for products, orders, customers, and inventory so the Shopify Plus build behaves predictably.

Outcome: a clear scope, mapped data flows, early risk controls, and measurable performance baselines.

Using the discovery insights, we architect the full Shopify Plus implementation. Your research is clear that successful enterprise builds depend on getting the integration map and data direction right first.

Here we define how data moves between Shopify Plus and your ERP, CRM, OMS, and PIM systems, along with precedence rules for conflicts, fallback behavior for failures, performance acceptance criteria aligned with Core Web Vitals, and a delivery roadmap with milestones and sequencing.

Outcome: a stable, low-risk architecture that prevents scope creep, sync failures, and performance regressions.

Design is built around enterprise UX and measurable performance. We structure page flows, merchandising layouts, mobile-first interactions, and B2B and B2C journeys so that the storefront remains fast, clear, and conversion-ready.

We ensure designs are compatible with the technical constraints defined in the strategy phase, especially speed budgets and component-level performance.

Outcome: a conversion-focused Shopify Plus UX that supports scale and meets performance targets.

Development covers theme engineering, Shopify Functions, custom apps, API work, and the integration logic that connects Shopify Plus with your internal systems.

The real complexity is the integrations rather than the front end, so we build the data pipelines first and validate them throughout development.

We implement custom Shopify Plus theme or headless architecture, ERP, CRM, IMS, and PIM integrations with verified data mapping, automated syncs with defined triggers and fallback logic, QA environments with rollback checkpoints, and continuous performance validation including LCP, INP, and CLS.

Outcome: a Shopify Plus implementation that remains fast, stable, and operationally reliable at scale.

Before launch, we validate everything including functionality, integrations, data accuracy, SEO mappings, and purchase paths.

We test integration stability and sync reliability, performance across devices, redirect mappings for safe migration, checkout and payment flows, and real-world operational scenarios involving inventory, pricing, and customer states.

Outcome: a fully validated, migration-safe, performance-ready Shopify Plus storefront.

Launch follows a controlled rollout with active monitoring. We track real-user performance, integration logs, and transactional flows and resolve any edge cases during the stabilization window.

After launch, we continue supporting your team with monitoring, performance checks, minor fixes, and ongoing operational guidance to ensure the storefront stays stable and efficient as traffic grows.

Outcome: a predictable go live, stable operations, and reliable post-launch support that keeps your Shopify Plus environment running smoothly.

Shopify Plus Agency FAQs

Straight answers for U.S. enterprise and high-growth brands evaluating Shopify Plus development, migration, B2B, integrations, checkout, performance, and ongoing support.

A Shopify Plus agency plans and delivers the technical and commercial work required to build, migrate, integrate, optimize, and support enterprise ecommerce on Shopify Plus.

Xovak’s Shopify Plus services include discovery, solution architecture, UX and theme engineering, data migration, B2B implementation, Checkout Extensibility, Shopify Functions, ERP and CRM integrations, performance optimization, conversion rate optimization, quality assurance, launch support, and ongoing development.

The goal is to make the storefront, checkout, data, and operational systems work together as one reliable commerce ecosystem.

For brands selling in the United States, clear communication, business-hour availability, and accountable delivery matter as much as technical ability.

Xovak supports U.S. ecommerce teams with business-hour overlap, fluent communication, defined delivery phases, and an in-house development team covering Shopify Plus migrations, custom development, integrations, performance, CRO, and ongoing support.

We can work directly with your ecommerce team or alongside internal developers and agency partners, with project scope, dependencies, risks, and responsibilities documented from the beginning.

A brand should evaluate Shopify Plus when growth creates operational or technical complexity that its current setup can no longer handle cleanly.

Common signs include managing B2B and DTC commerce together, needing more advanced checkout customization, connecting ERP or fulfillment systems, operating multiple markets or storefronts, introducing custom automation, or relying on fragile apps and manual workarounds.

The decision should be based on your operating requirements, total cost of ownership, and growth plans not revenue alone.

There is no single fixed price for a Shopify Plus project because the scope can vary significantly.

Cost depends on whether you need a new storefront, migration, redesign, B2B implementation, Checkout Extensibility, custom apps, ERP or CRM integrations, headless architecture, multiple markets, or ongoing support. Data volume, design depth, testing requirements, and launch complexity also affect the estimate.

After discovery, Xovak provides a phased scope, estimated timeline, and recommended engagement model. The Shopify Plus platform subscription is billed separately by Shopify.

A focused Shopify Plus improvement may take a few weeks, while a complete custom build or enterprise replatforming normally requires several months.

The timeline depends on design requirements, data volume, integrations, custom functionality, B2B workflows, checkout requirements, number of markets, and stakeholder availability.

Xovak plans the project across discovery, architecture, design, development, data migration, integration testing, user acceptance testing, launch, and stabilization. A project-specific timeline is confirmed after the key systems and dependencies have been mapped.

Xovak supports Shopify Plus migrations from Magento Open Source and Adobe Commerce, BigCommerce, WooCommerce, Prestashop, Volusion and custom ecommerce platforms.

Depending on the project, migration scope can include products, variants, collections, customers, order history, content, media, subscriptions, customer accounts, metadata, apps, analytics, integrations, and URLs.

We also plan theme development, checkout configuration, data validation, redirect implementation, quality assurance, launch sequencing, and post-launch monitoring. Before development begins, we identify what should be migrated, rebuilt, replaced with native Shopify functionality, or retired.

No agency can honestly guarantee that rankings will never fluctuate during a replatforming project. However, careful planning can significantly reduce avoidable SEO risk.

Xovak inventories important organic landing pages, maps old URLs to the most relevant new destinations, implements page-to-page 301 redirects, preserves essential content and metadata, and reviews canonicals, internal links, structured data, sitemaps, analytics, and search tracking.

Redirects and priority customer journeys are tested before launch, followed by post-launch monitoring of crawl errors, indexation, organic traffic, rankings, and conversions.

Yes. Shopify can support retail and wholesale customers through a blended ecommerce setup or through separate B2B and DTC storefronts.

Capabilities can include company accounts, customer-specific catalogs, pricing, quantity rules, volume pricing, payment terms, purchase order numbers, tax settings, and tailored checkout experiences.

Xovak first maps your buyers, catalogs, pricing, inventory, payment, approval, and fulfillment workflows. We then recommend whether a blended store, dedicated B2B store, or multi-store model provides the cleanest long-term operation.

Shopify Plus can connect with ERP, CRM, PIM, OMS, WMS, 3PL, subscription, loyalty, tax, payment, customer service, analytics, and business intelligence systems through supported apps, middleware, or custom APIs.

Xovak begins by defining which platform owns products, inventory, customers, orders, pricing, and fulfillment data. We then design synchronization rules, event flows, validation, logging, failure handling, and recovery processes.

This helps prevent duplicated business logic and makes the integration easier to monitor and support after launch.

Yes. Xovak uses Checkout Extensibility, checkout UI extensions, and Shopify Functions to create upgrade-safe checkout experiences and custom backend commerce rules.

Depending on the business requirement, this can include custom fields, conditional messaging, upsells, discount logic, delivery rules, payment rules, cart validation, checkout validation, analytics tracking, and post-purchase experiences.

We only introduce custom checkout logic when it solves a clear customer, revenue, compliance, or operational requirement.

Yes, but performance and conversion should be measured separately rather than treated as interchangeable promises.

Xovak audits theme code, apps, scripts, media, third-party tags, templates, mobile usability, merchandising, product pages, cart, checkout, and critical customer journeys. We establish performance and conversion baselines before prioritizing improvements.

The work can include Core Web Vitals optimization, mobile UX improvements, navigation and search, product-page clarity, cart friction reduction, checkout optimization, analytics validation, and structured experimentation.

Not always.

Headless commerce can be valuable when a brand has a genuine need for a highly customized frontend, multiple digital experience channels, composable architecture, or development requirements that a traditional Shopify theme cannot serve efficiently.

For many merchants, a well-engineered Shopify Plus theme provides a faster launch, simpler merchandising, lower maintenance, and a stronger return on investment.

Xovak recommends headless architecture only when the expected business and customer benefits justify the additional cost and technical complexity.

Yes. Xovak Studio can take over an existing Shopify Plus storefront, whether it was built internally or by another agency.

We can audit the theme, applications, checkout customizations, integrations, analytics, performance, accessibility, and release process; stabilize urgent issues; and create a prioritized improvement roadmap.

Support can include feature development, bug fixes, performance optimization, CRO, integration maintenance, quality assurance, release management, and ongoing technical support through a defined project, retainer, or dedicated development model.

Plan Your Shopify Plus Project

Whether you are migrating from a legacy platform, implementing B2B, connecting enterprise systems or trying to improve an existing Shopify Plus store, start with the architecture and business problem.

Tell XOVAK what is limiting the current operation and which systems are involved. We will identify the critical dependencies, risks and next steps before recommending an implementation plan.

A Shopify Plus Agency You Can Rely On

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