Choosing an enterprise ecommerce platform for a complex Irish operation is less about selecting the platform with the longest feature list. The better choice depends on your catalogue structure, B2B processes, payment model, regional stores and integration ownership.
For a growing retailer, distributor or manufacturer, Shopify Plus vs BigCommerce comes down to where you want complexity to live. Placing it in the right layer can support revenue acceleration through faster trading changes, fewer operational bottlenecks and more reliable fulfilment. Shopify often places more capability in its app ecosystem and development tools. BigCommerce provides more native controls for catalogues, B2B workflows and storefront structure.
Shopify Plus vs BigCommerce: the short decision
Both platforms are hosted SaaS systems, so your team avoids managing servers, security patches and core platform upgrades. This doesn’t remove the need for careful data architecture, integration monitoring, GDPR responsibilities, implementation ownership or support planning.
Choose Shopify Plus when ecosystem and checkout operations lead
Shopify Plus is usually the stronger fit when you want:
- A familiar admin for trading, merchandising and content teams
- A large app ecosystem for CRM, loyalty, subscriptions, marketing and service tools
- Shopify Payments and Shopify Markets within one connected platform
- Shopify Flow automation for native or plan-eligible workflow tasks, such as tagging, routing and notifications, rather than ERP orchestration or bespoke integration logic
- A broad pool of developers and agencies
- Strong support for branded, content-rich consumer experiences
For checkout operations, compare payment-method coverage, checkout extensibility, mobile performance and market-specific friction before forecasting the checkout conversion rate. Neither platform guarantees a higher rate.
The app ecosystem can shorten implementation time, but each important app adds a subscription cost, data-ownership questions and a potential failure point. Review each app’s ownership, support, export options and webhook behaviour before making it part of a critical process.
Choose BigCommerce when native complexity matters more
BigCommerce Enterprise deserves serious attention when native capability matters most and your operation needs:
- A large or highly structured product catalogue
- Native B2B workflows
- Customer-specific purchasing processes
- More control over URL paths and technical SEO settings
- Multiple storefronts with different catalogues or trading rules
- Headless or composable architecture without rebuilding every commerce function
BigCommerce can reduce the number of extensions required for catalogue and wholesale work when its native capabilities cover the requirement. Any gaps may still need an app or custom development. Confirm the edition, storefront allowances, support model and commercial terms in your proposal.

Pricing and total cost of ownership
Subscription price is only one part of the decision. For 2026, model total cost of ownership across payment processing, third-party apps, custom development, integration support, data migration, analytics and ongoing optimisation.
Shopify Plus pricing for an Irish merchant
As of 2026, Shopify lists Plus pricing for Ireland and other euro markets at €2,250 per month on a one-year term or €2,100 per month on a three-year term. The final agreement, payment terms and included services should be confirmed against the live Shopify documents before signing.
The Shopify Plus pricing information states that the main store and nine expansion stores are included. Additional stores can carry a monthly charge or use a revenue-share arrangement, depending on the agreement.
Shopify Payments is available to Irish businesses. Your payout account must accept euro. Compare Shopify Payments with external payment gateways, including processor charges, EUR settlement, contract terms and the operational cost of reconciliation. Shopify’s Ireland documentation states that 23% VAT is charged in addition to Shopify Payments fees. Model VAT on platform or payment charges separately.
BigCommerce pricing and GMV thresholds
As of 2026, BigCommerce Enterprise pricing is negotiated. Its Performance tier has been described as starting at $1,499 per month when billed annually. The price, features and contract structure can change.
BigCommerce also uses trailing-twelve-month gross merchandise value in its pricing tiers. Accounts automatically move to the Performance tier at $2 million TTM GMV, according to its published pricing information. Your contract should state what counts towards GMV, how returns are treated and when an upgrade takes effect.
The BigCommerce pricing page should be checked during procurement. Verify the live commercial documents before signing, because public prices and payment policies can change.
Payment fees and hidden platform costs
Shopify Plus waives third-party transaction fees when Shopify Payments is the primary gateway. If another processor is primary, the published Plus rate is 0.20% per transaction, before the processor’s own charges.
As of 2026, BigCommerce’s published open payment provider fees are listed as 2.0% on Core, 1.0% on Growth, 0.6% on Scale and none on Performance under contracted terms. Its card processing examples begin at 2.89% plus $0.29 per transaction. Enterprise documentation also refers to no payment fees through more than 20 embedded payment providers. The applicable processor, plan and contract must be confirmed in writing.
| Cost area | Shopify Plus | BigCommerce |
|---|---|---|
| Core subscription | €2,250 monthly for one year, or €2,100 monthly for three years | Custom Enterprise pricing |
| Growth pricing | Expansion stores and contract terms affect cost | GMV thresholds and negotiated terms can change spend |
| Native capability | Included platform capability varies by contract | Native features may reduce some app spend |
| Paid apps and extensions | Often significant for advanced workflows | May still be required for specialised requirements |
| Custom development and middleware | Custom workflows can increase implementation and support costs | Custom workflows can increase implementation and support costs |
| Implementation and support | Custom quotation, plus any support retainer | Custom quotation, plus any support retainer |
| Currency and renewal exposure | Euro Plus pricing available, with renewal terms confirmed in the agreement | Enterprise quotes may be in USD or another currency, with renewal terms confirmed in the agreement |
Build a three-year model covering orders, payment processing, refund handling, app subscriptions, custom middleware, implementation, support retainers and renewal exposure. Include EUR settlement and applicable VAT in the model. A lower subscription can become more expensive if it requires custom middleware or several mission-critical apps.
Product variant limits and complex catalogues
Catalogue architecture should be tested before design work begins. The key question is not only how many products you have, but how you model options, bundles, packs, stock units, trade prices and regional availability.
Shopify’s current variant limit
Shopify’s current documentation allows up to 2,048 variants and three options per product. The older 100-variant limit is no longer current, so it shouldn’t be used in a 2026 platform assessment.
Before planning imports, review Shopify’s current variant guidance. Shopify Plus also has an exemption from the 10,000-new-variants-per-day upload limit for stores with 500,000 or more total variants. Limits can vary with the product model, option structure and API workflow, and may change after a platform update.
These constraints may still affect products with many dimensions, finishes, pack sizes or technical specifications. They can also complicate packs, bundles, regional availability, stock units, product feeds, search and checkout. A configurable product may need separate parent products, custom options or an external product configurator.
BigCommerce catalogue capacity
BigCommerce documents a limit of 600 SKUs per product and up to 250 option values per option. That can suit many complex catalogues, although the way you model products still affects search, feeds, stock and checkout.
Ask both implementation teams to import a representative sample. Include a high-variant product, a bundle, a discontinued item and products with separate stock by colour or size. Test the resulting feeds, search, inventory and checkout behaviour.
Before either system becomes the source of truth, define whether the PIM, ERP or commerce platform owns SKUs, barcodes, descriptions, images, pricing, availability and inventory. Platform limits don’t fix poor product data, and a higher numerical limit doesn’t automatically mean lower implementation effort.
B2B and wholesale features
B2B requirements often decide the platform faster than consumer checkout features. Wholesale customers may need account approval, multiple buyers, purchase limits, quotes, invoice terms, customer-specific prices and order history.
BigCommerce B2B Edition
BigCommerce B2B Edition provides native functionality for company accounts, buyer roles, sales quotes, invoice workflows, quick ordering and approval tools. These capabilities remain subject to the relevant edition, configuration and contract.
Its B2B APIs cover companies, orders, quotes, shopping lists and users. Buyer Portal supports both Stencil and headless storefronts. That makes BigCommerce strong when wholesale operations should sit close to the commerce platform, rather than inside disconnected apps.
Confirm whether required price lists, credit limits, approval rules, ERP synchronisation and workflows are included. “B2B capable” doesn’t mean every trade process is configuration rather than development.
Shopify Plus for trade customers
Shopify Plus can support native B2B capabilities and customer segmentation, while Shopify Markets supports market-specific catalogues and pricing. Shopify’s market catalogue documentation explains how products and custom pricing can be assigned to markets.
However, complex wholesale operations may still need apps, custom logic or a separate wholesale channel. Test customer-specific prices, custom pricing lists and customer groups. Also test account permissions, buyer roles, VAT treatment, payment terms and order approval. Include sales-agent workflows, ERP synchronisation and price-list ownership in the proof of concept.
The practical comparison is simple: BigCommerce offers more B2B functionality in its specialist edition. Shopify may suit a primarily consumer-led business with simpler trade requirements. Complex approval, credit, sales-agent, invoice-term and account hierarchies require a proof of concept.

Multi-storefront capability and international operations
An Irish business may need separate experiences for the Republic of Ireland, Northern Ireland, the UK, continental Europe and trade customers. Compare each platform’s multi-storefront capability with its operational needs. Assess online stores, trade ordering, POS, marketplaces and fulfilment together when planning omnichannel selling. That doesn’t always mean creating a separate storefront for every market.
Shopify expansion stores and Markets
Shopify Plus includes the main store and nine expansion stores under its published pricing. Confirm those allowances, pricing, catalogue rules and support in your commercial agreement. Separate stores can help when markets require different catalogues, languages, teams or fulfilment rules.
Shopify Markets can support market-specific product availability and pricing. Test EUR payments, currency display, market-specific VAT and OSS/IOSS applicability. Also check local delivery rates, stock allocation, domains, SEO metadata, analytics, promotions and customer accounts before implementation.
A single, market-aware store may be easier to maintain. Separate expansion stores may be better where teams, catalogues or operational processes differ sharply. The choice affects analytics, content governance and integration design.
Whichever model you choose, include a GDPR review covering consent, customer-data separation, cookies, marketing permissions and processor agreements.
BigCommerce multi-storefront arrangements
BigCommerce supports multi-storefront arrangements, including Enterprise options, but the number of storefronts and commercial terms need to be confirmed for your account. Confirm how pricing, catalogue rules and support apply to each storefront. Don’t assume that a sales presentation’s example allowance applies to your contract.
Ask how each storefront handles:
- Product visibility, category structures and market-specific availability
- Regional pricing, EUR payments and currency display
- Market-specific VAT and OSS/IOSS applicability
- Customer accounts, trade groups and customer-data separation
- Stock allocation, local delivery rates and fulfilment
- Domains, SEO metadata, cookies and consent
- Analytics, feeds, promotions and marketing permissions
For the Republic of Ireland, confirm EUR checkout, Irish VAT and local delivery rates. For Northern Ireland, write separate delivery, currency, goods movement and tax rules where needed. Northern Ireland isn’t part of the Republic of Ireland for these decisions, even when a shipping tool groups both under “Ireland”. For continental EU markets, test country availability, VAT treatment and stock routes separately.
SEO flexibility and control, APIs and headless commerce
Both platforms can support strong organic performance. The result depends on templates, product data, rendering, internal links, structured data and how your team manages faceted navigation.
URL control and technical SEO
Shopify uses fixed URL conventions for products, collections and content. Those conventions work well for many stores but offer less control over directory paths and some technical structures.
BigCommerce may provide more control over URL paths and robots settings, depending on the theme and implementation. That can matter when migrating a large catalogue or preserving an established information architecture. Confirm the exact controls in the proposed theme, because apps and custom scripts can change the final output.
Theme customisation can affect canonical tags, product schema, rendering, navigation, accessibility and page performance. Review faceted navigation, server-rendered content, redirects and internal links across templates and filtered category pages. Important product facts should appear in accessible HTML rather than only inside an app-rendered interface.
APIs and headless projects
Shopify and BigCommerce can both support headless commerce. This approach is useful when you need a custom content experience, specialist frontend or multiple presentation layers. It also creates more responsibility for caching, previews, search, analytics and consent tooling. Test these areas, plus checkout handoffs, in a headless build.
Assess API performance across native APIs, middleware, custom frontend code and third-party search or merchandising services. Ask each supplier to show rate limits, bulk operations, latency, webhook retries, queue handling, error logging, authentication and export behaviour. Don’t rely on a fast demonstration.
A headless project should have a named owner for frontend releases, commerce configuration and integration incidents. Otherwise, the technical freedom becomes an operational risk.
Integrations for an Irish ecommerce operation
The strongest platform decision starts with the shopping journey and operational tasks you need to protect. Prioritise inventory management, orders, payment status, refunds, delivery and returns over optional marketing features. Prove those flows with realistic test data before wider rollout.

Establish data ownership
Give each important field one owner. For example, a POS may own shop stock, a PIM may own product descriptions and the ecommerce platform may own online merchandising.
Standardise SKUs, barcodes, variant names, bundles and discontinued products before importing data. A product called BLUE-MUG in one system and MUG-BLU in another can create duplicate records and failed updates.
Build a concrete ERP/PIM integration matrix before connecting systems. It should define one source of truth, the expected data flow and the test for each field.
| Data | Source of truth | Required flow and proof |
|---|---|---|
| Product | PIM | Publish descriptions, images, dimensions and variant relationships, then test incomplete or rejected records. |
| Price | ERP | Send EUR prices, tax categories and promotion inputs, then check rounding and updates. |
| Stock | ERP | Consolidate approved stock feeds, including POS updates, then test available, reserved and safety stock. |
| Order | Ecommerce platform | Send paid, cancelled and held orders to the ERP, with duplicate prevention tested. |
| Refund | Ecommerce platform | Send refund amount, reason and status to finance systems, including partial refunds. |
| Fulfilment | WMS or fulfilment system | Return pick, dispatch, tracking and exception status, including failed shipments. |
| Customer | CRM | Sync account and service data while excluding fields the receiving system doesn’t need. |
| Consent | Consent management platform | Propagate opt-in, opt-out and deletion signals, then test suppression across channels. |
Then connect accounting, CRM, loyalty, email marketing, customer service, fulfilment and marketplaces through third-party integrations. Give each integration a named owner, monitoring, alerting and a documented failure-handling route.
A marketing automation guide can help teams assess how product, order, consent and customer data should move between commerce and marketing systems.
Apply GDPR data minimisation from the first test, propagate consent and deletion signals, set retention periods and document subject-access handling. Check processor agreements for the platform, CRM, payment provider, fulfilment partner and other service providers.
Test real Irish delivery scenarios
Test completed orders to Dublin, rural County Mayo and any region with different shipping rates or service availability. Check the product page, basket, checkout, payment confirmation and fulfilment output.
Test payment gateways for availability, EUR authorisation and settlement, refunds, and 3-D Secure or equivalent authentication. Confirm payment-method visibility and reconciliation by market.
Compare completed checkout performance and the checkout conversion rate by device, region, currency, delivery option and payment method. Treat this as a baseline, not a promise that either platform will improve the metric automatically.
If you charge €5.95 for standard delivery in the Republic and offer free delivery above €75, those rules must match across the shop, feed and checkout. Freight-only goods should not show a flat-rate delivery option that cannot complete.
For cross-border EU selling, Irish VAT generally covers domestic supplies, while EU cross-border B2C distance-selling rules can require destination-country VAT. Check whether the €10,000 EU-wide threshold is exceeded and whether OSS may apply to eligible sales. IOSS is relevant only for eligible imported low-value consignments.
B2B VAT numbers need validation, and reverse-charge treatment should be documented. Review Northern Ireland goods rules with a qualified adviser, especially where movements involve Great Britain or the EU.
Review Revenue’s current VAT and OSS guidance with a qualified adviser. Platform tax settings support a documented finance process, but they don’t replace Revenue guidance or professional advice.
Migration complexity and total cost
A platform switch is a data and operations project, not simply a new theme. Your migration plan should cover products, variants, customers, orders, redirects and analytics. Include ERP/PIM mappings, customer consent, GDPR data transfers, payment settings and tax rules for EUR markets. Also review feeds, APIs, webhooks and app replacement decisions.
Protect search and measurement
Map old URLs to the most relevant new destinations. Avoid sending every retired product or category to the homepage. Preserve useful buying guides, delivery pages and policy content where they still serve customers.
Use an SEO-safe website migration process that includes staging tests, redirect checks, analytics events and post-launch monitoring. Complete data validation, redirect testing and checkout testing in staging. Document and test a rollback plan before launch, with named incident escalation. A migration can preserve rankings while losing revenue if checkout or conversion tracking breaks.
Price the work after discovery
Request a quotation that separates implementation costs for discovery, design, data cleansing, development, integrations, testing, training and support. Ask suppliers to distinguish native platform configuration from paid apps, middleware and custom code.
Ask who owns technical support after launch, including failed fulfilment handoffs at 16:45 on a Friday, payment errors and integration outages. Require named incident escalation and clear response times.
For Irish businesses comparing providers, ecommerce website design in Wicklow can include Shopify, BigCommerce or WooCommerce development, depending on catalogue and operational requirements.
The lowest implementation quote may not be the lowest three-year cost. Request a three-year view of maintenance, monitoring, staff time, licences and support. Compare custom connections, paid apps and ongoing maintenance commitments before choosing a provider.
A practical recommendation framework
Use a weighted scorecard rather than a general platform ranking. Weight each requirement by order volume, projected GMV, market count, team capacity and the balance between consumer and B2B operations.
Include columns for catalogue complexity, B2B workflows, customer accounts, payment and EUR settlement, tax compliance and checkout flexibility. Add API and ERP/PIM integration, local delivery, GDPR, support, implementation effort, scalability and three-year operating cost.
| Scorecard column | What to assess |
|---|---|
| Catalogue complexity | Variants, bundles, options, subscriptions, inventory rules and catalogue governance |
| B2B workflows | Account structures, company pricing, quotes, approvals, credit and reordering |
| Customer accounts | Registration, account hierarchy, permissions, self-service and saved details |
| Payment and EUR settlement | Gateways, local methods, settlement currency, reconciliation and chargebacks |
| Tax compliance | VAT rules, invoices, exemptions, reporting and ownership of calculations |
| Checkout flexibility | Fields, discounts, delivery choices, payment rules and extensibility |
| API and ERP/PIM integration | APIs, webhooks, rate limits, data ownership, sync monitoring and error handling |
| Local delivery | Carrier coverage, delivery zones, cut-offs, collection and fulfilment hand-offs |
| GDPR | Consent, retention, access requests, deletion and processor responsibilities |
| Support | Hours, escalation paths, service levels and partner coverage |
| Implementation effort | Migration, testing, training, internal resources and partner availability |
| Scalability | Traffic, order peaks, catalogue growth, markets, teams and storefront expansion |
| Three-year operating cost | Licence, payment, app, middleware, development, support and internal operating costs |
Score each row for business impact, implementation risk and ongoing cost at your expected scale. Score native functionality separately from apps, middleware and custom development, then record the assumptions behind every score.
Assess online, trade, POS, marketplace and fulfilment requirements together when scoring omnichannel selling, rather than scoring storefronts in isolation. The preferred platform should reduce operational friction and allow faster launches, merchandising changes and market expansion. That creates conditions for revenue acceleration, but it isn’t a guaranteed financial result.
Shopify Plus is likely to fit when
Shopify Plus is a sensible candidate when your business is consumer-led, your catalogue fits the variant model and Shopify Payments simplifies payment operations. It’s also attractive when marketing, merchandising and content teams value a polished admin and broad third-party support.
Before signing, complete an app and data-ownership review. Price every required app, then confirm what happens if an app is discontinued, changes its pricing or loses access to customer data.
BigCommerce Enterprise is likely to fit when
The platform deserves priority when B2B is central, product structures are demanding or SEO and storefront controls form part of the technical brief. Its native B2B Edition can reduce the need to assemble wholesale features from separate applications.
Ask for written confirmation of the GMV assumptions, payment providers, storefront count, support model, API limits and contract terms. Request a quote based on those details, and confirm every limit rather than relying on a generic enterprise presentation.
Key takeaways
- For the 2026 limits reviewed, Shopify Plus supports up to 2,048 variants and three options per product. Verify current documentation before planning your catalogue.
- BigCommerce documents up to 600 SKUs per product and 250 option values per option. Confirm these limits for your planned configuration.
- Reviewed Shopify Plus euro-market pricing is €2,250 monthly on a one-year term or €2,100 on a three-year term. Check current contracts and commercial terms.
- BigCommerce Enterprise pricing is custom, and GMV thresholds can change the applicable tier. Confirm the likely cost against your forecast turnover.
- Shopify Plus may require more apps for advanced B2B or operational workflows.
- BigCommerce B2B Edition provides stronger native wholesale tooling, but your operating model and required integrations should guide the final choice.
- Test Irish and EUR payment flows, Irish and EU VAT, OSS or IOSS where relevant, GDPR, VAT display, rural delivery, Northern Ireland rules and other market-specific requirements before launch.
- Your integration register should name system owners, data fields, credentials, renewal dates, monitoring arrangements and incident responsibilities. The best platform is the one that fits your operating model, not simply the one with the longest feature list.
Frequently asked questions
Which platform has the lower total cost of ownership?
Neither is automatically cheaper. Shopify Plus has a clear base price, but app subscriptions and the 0.20% third-party gateway fee can add up. BigCommerce may reduce app costs through native functionality, while GMV-based upgrades and negotiated Enterprise pricing affect future spend. Check 2026 pricing, usage terms and contract conditions before modelling costs.
Is Shopify Plus still limited to 100 product variants?
No. Current Shopify documentation lists 2,048 variants and three options per product. The former 100-variant figure is outdated. Verify the current limit and any API or theme constraints before a 2026 launch.
Which platform is better for B2B and wholesale?
BigCommerce is usually the stronger fit when B2B processes are central. Its B2B Edition includes company accounts, quotes, buyer tools, user roles and invoice features, subject to current documentation and contract terms. Shopify can support B2B, but confirm whether your workflow needs apps or custom development.
Does Shopify Plus charge transaction fees for Irish payment gateways?
If Shopify Payments is the primary gateway, Shopify Plus may waive third-party transaction fees under its current terms. If an external processor is primary, the published Plus fee is 0.20% per transaction, in addition to the processor’s charges. Confirm the commercial terms for your account and 2026 renewal.
Can either platform support several EU storefronts?
Yes, both can support international and multi-storefront models. Shopify Plus currently publishes one main store and nine expansion stores, but confirm this against current documentation and your contract. BigCommerce storefront allowances and costs should be confirmed in your Enterprise agreement.
How should an Irish merchant handle VAT and EU sales?
Platform settings can support tax rates, but they cannot determine your legal obligations. Check Irish VAT registration, EU B2C distance selling, OSS and IOSS requirements where relevant with a tax adviser. Capture valid B2B VAT numbers and apply Northern Ireland goods rules based on the transaction and destination.
Can the platforms support EUR pricing, settlement and refunds?
Both can support EUR transactions, but currencies, settlement accounts, exchange rates, refunds and payment methods vary by country, gateway and plan. Test the complete payment journey in a proof of concept. Confirm which payment methods are available to Irish customers and how refunds are settled.
Which platform is better for GDPR and customer data?
Neither platform removes the merchant’s obligations. Review consent management, processor terms, retention, access requests and customer-data exports. Confirm how data is processed, where it is stored, and whether exports include apps and connected systems. Seek legal advice for any unresolved GDPR issue.
Can either platform manage Irish and cross-border delivery rules?
Both can configure shipping zones, rates and exclusions, but local and rural delivery rules often need carrier or fulfilment integrations. Confirm who owns fulfilment decisions, address validation, duties and cross-border returns. Test Republic of Ireland, Northern Ireland, EU and remote-area scenarios before launch.
Who owns product and order data between the ERP, PIM and ecommerce platform?
Define one system of record for products, stock, prices, orders and customers. Document field mapping, sync frequency, API limits, webhook monitoring and failure handling. Confirm whether the merchant, agency, integrator or platform team owns implementation and ongoing support.
Which platform scales better as the business grows?
Both can scale, but the result depends on catalogue complexity, traffic, markets, integrations and operating processes. Assess support coverage, release controls, app dependency and peak-event capacity. A proof of concept should test native features separately from custom or app-based solutions.
How can we distinguish native features from custom or app-based solutions?
Ask each supplier to identify which requirements are native, configured, app-based or custom-built. Native features may simplify support and upgrades, while apps and custom work can add flexibility. Confirm ownership, maintenance, data access and upgrade impacts before signing the contract.
Conclusion
Shopify Plus is often attractive for ecosystem breadth, consumer merchandising and connected payment operations. BigCommerce may suit businesses prioritising catalogue control, B2B workflows and native commerce capabilities.
Test both platforms with representative Irish and EU orders. Check EUR payments, VAT and OSS/IOSS handling where relevant, plus GDPR data flows, local delivery and B2B approvals. Review ERP/PIM synchronisation, APIs, checkout and support before committing.
Choose the platform that keeps complexity visible, assigned to a named owner and affordable over time. Implementation quality, integration ownership and operational governance can matter as much as the platform’s advertised features.




