E-commerce built without platform limits

We build fully custom e-commerce platforms for businesses whose pricing, catalog, or checkout needs go beyond what off-the-shelf platforms can support.

Overview

Most businesses fit comfortably within Shopify or WooCommerce, and for good reason, these platforms handle the common e-commerce scenarios extremely well. But some businesses genuinely don't fit: complex B2B pricing models, catalog structures involving dozens of interdependent configuration options, or deep ERP integrations that standard platforms' app ecosystems simply weren't built to accommodate no matter how many workarounds get layered on top.

We build fully custom e-commerce platforms from the ground up for exactly these situations, architecting checkout logic, catalog structure, and pricing rules entirely around your actual business rather than adapting your business to fit a platform's constraints. This includes deep integration with existing enterprise systems, ERPs, warehouse management, or CRM platforms your operations already depend on, built as core architecture rather than a bolted-on afterthought.

The tradeoff is honest: custom development takes longer and costs more upfront than configuring a standard platform, but it removes the ceiling that platform constraints eventually impose on genuinely complex or unusual business models. For businesses that have already hit that ceiling, or know they will soon, custom development is often the more economical path long-term, avoiding the compounding cost of workarounds that never quite solve the underlying platform mismatch.

What we build

A fully custom commerce platform architected around your business, not the other way around.

01

Custom Checkout & Pricing Logic

Standard e-commerce platforms are built to serve the average business well, which means they handle common checkout and pricing scenarios excellently but hit real walls the moment your business needs something genuinely unusual, tiered B2B pricing with customer-specific catalogs, complex bundling logic, or tax handling for a business model standard platforms weren't designed around. We build checkout, pricing, and tax logic entirely custom, architected specifically around your actual business rules rather than working within the constraints of a platform never designed for your specific use case. This is where custom development earns its higher upfront investment: there's no ceiling on what's technically possible, only on what's worth building given your specific requirements, which is a fundamentally different position than trying to configure a standard platform to approximate something it wasn't built to do.

02

Custom Catalog Architecture

Standard e-commerce platforms impose a specific data model for products, categories, and variants, one that works well for straightforward retail catalogs but breaks down for businesses with genuinely complex catalog structures: configurable products with dozens of interdependent options, bundles with dynamic pricing, or B2B catalogs that differ entirely by customer account. We build the catalog architecture custom, modeled around how your actual products and customers work rather than forced into a generic e-commerce schema that assumes every business sells simple, independent SKUs. Getting this data model right from the start is foundational, since a catalog architecture that doesn't genuinely fit your business creates friction and workarounds throughout every other part of the platform built on top of it.

03

Enterprise System Integration

Many businesses choosing custom e-commerce development are doing so specifically because their operations depend on ERP, warehouse management, or CRM systems that standard platforms' integration options don't handle well, particularly legacy enterprise systems or less common industry-specific tools. We build deep, reliable integration with these existing systems as core platform architecture, not an afterthought bolted on through a generic API connector, ensuring inventory, order, and customer data flow correctly between your e-commerce platform and the rest of your business operations without requiring manual reconciliation or accepting the data sync limitations that generic integrations often impose.

How we build commerce platforms with no ceiling on what's possible

A process built around your actual business logic, not a platform's predetermined constraints.

  1. 01

    Business Logic & Requirements Mapping

    We map your specific business rules in detail, pricing logic, catalog structure, checkout requirements, and any existing systems that need to integrate, identifying exactly why standard platforms don't fit and what a custom platform genuinely needs to support.

  2. 02

    Custom Data Model & Architecture Design

    We design the catalog data model and checkout architecture from scratch, built around your actual products and customer types rather than adapted from a generic e-commerce schema that assumes simpler, independent product structures.

  3. 03

    Enterprise System Integration Design

    For businesses requiring integration with existing ERP, warehouse, or CRM systems, we design and build this integration as core platform architecture, ensuring reliable, ongoing data sync rather than a fragile connection prone to breaking.

  4. 04

    Storefront & Checkout Development

    We build the storefront and checkout experience, implementing the custom pricing, tax, and business logic defined earlier, tested thoroughly against real-world scenarios your specific business actually encounters.

  5. 05

    Business-Rule-Specific Testing

    We test extensively against your actual business rules and edge cases, including unusual scenarios standard platform testing wouldn't typically cover, since custom logic needs custom validation to catch issues generic testing checklists would miss.

  6. 06

    Deployment & Ongoing Development Support

    We deploy to production infrastructure sized for your expected scale, with full documentation and codebase ownership, and can continue supporting ongoing development as your custom platform's requirements evolve.

Custom commerce technology stack

We use flexible, scalable technologies chosen specifically for your business's commerce requirements.

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Frequently Asked Questions

Custom platforms make sense when your business model genuinely doesn't fit standard platform constraints, unusual B2B pricing logic, complex catalog structures involving configurable products, or checkout workflows that Shopify or WooCommerce's architecture simply wasn't designed to accommodate no matter how many apps you layer on top.

Custom builds typically take 12 to 20 weeks depending on complexity, since we're building the storefront, backend, and checkout logic entirely from scratch rather than configuring an existing platform, which naturally takes longer but removes the ceiling that platform constraints would otherwise impose.

Yes, we design checkout logic, tax handling, and payment flows entirely around your specific business rules, with genuinely no platform-imposed limitations, which is precisely the advantage custom development offers over adapting a pre-built platform's checkout to accommodate unusual requirements.

Yes, custom platforms are architected specifically to scale with your projected traffic and order volume from the start, rather than hitting the performance or API rate limit ceilings that standard e-commerce platforms sometimes impose once a business grows past their typical use case.

Yes, we integrate with any ERP, warehouse management, or CRM system your operations already depend on, which is often one of the primary reasons businesses choose custom development, since standard platforms' integration options don't always cover unusual or legacy enterprise systems well.

You retain complete ownership of the codebase and infrastructure, meaning no recurring platform fees, no feature ceiling imposed by a vendor's roadmap, and full freedom to evolve the platform however your business needs change over time.

Yes, this is precisely where custom development earns its cost. We can build genuinely unusual configuration flows, like build-your-own-product tools or complex bundling logic, that would require significant workarounds or simply wouldn't be possible on a standard platform's fixed architecture.

Yes, we design multi-currency, multi-language, and region-specific tax and compliance handling directly into the platform's core architecture where your business genuinely operates across multiple markets, rather than bolting this on as an afterthought that a standard platform's app ecosystem would otherwise need to patch together.

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Custom E-commerce Platform Development | Shiromi