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Hydra Group

Custom ecommerce platform

Custom ecommerce development — one platform, multiple storefronts.

You don't need a separate ecommerce operation for every storefront. We build custom ecommerce software — including multi-store ecommerce — where several stores share the same catalogue, providers, inventory, orders, payments, and operations. This is not Shopify development and not WordPress commerce. Techydra is a custom ecommerce development company that builds commerce platforms around how you sell, not hosted themes.

01

Operational in <1 Week

Not a workshop pack. Not months of planning.

A focused first version gets the core commerce workflow live — catalogue, checkout, and the operational loop the team needs.

Your first version is operational in less than a week. Additional storefronts, provider connections, and commercial rules are added onto software that is already in use.

02

10+ years maintaining and growing apps.

That experience is the knowledge behind a first version you can use — and behind every version after it. We know how to keep software stable, extend it, and change it when the business does.

Week one is a working first version of the core commerce workflow — not a finished multi-store platform.

The problem

When one store becomes several businesses.

Hosted stores work when the business fits the platform. They start to strain when you launch another niche, brand, or country — and each storefront brings another catalogue, admin, and operational process.

Every new storefront duplicates the operation

Without a shared commerce core, each store tends to need its own catalogue, admin, provider connections, inventory workflow, and order process.

The store is fighting the model

B2B price lists, contract catalogues, or regional rules are forced through apps until checkout becomes fragile.

Operations live somewhere else

Orders hit email or a spreadsheet. Inventory, shipping, and finance never quite match the storefront.

A second brand is treated as a second business

Different niches, audiences, or countries need different shopper experiences. That should not require a second operational system.

Architecture

One backend. Every store connected.

Build the commerce engine once, then operate multiple storefronts from the same system. That is a multi-store ecommerce architecture: customer-facing shops can differ while products, providers, inventory, orders, payments, and operations stay centralized.

Niche store

Fitness

Niche store

Beauty

Niche store

Home

Storefronts

Customer-facing layer

  • Own domain
  • Own branding
  • Own catalogue slice
  • Own audience

Operations

Central admin dashboard

  • All storefronts
  • Catalogue assignment
  • Order routing
  • Permissions

Different storefronts

Each storefront is the customer-facing layer. It can have its own domain, branding, design, navigation, product selection, collections, pricing logic, audience, and market. Shoppers never need to know another store exists.

One commerce core

The central system can manage products, categories, suppliers, availability, inventory, orders, customers, payments, shipping, fulfilment, pricing, currencies, and business rules. The storefronts are different. The operational core is shared.

One admin dashboard

Operators can run the ecosystem from one place: storefronts, products, providers, orders, inventory, customers, payments, shipping, and performance — with users and permissions depending on the scope.

Providers

Connect providers once. Sell through every store.

The commerce platform can connect to external providers through APIs — product suppliers, fulfilment partners, warehouses, payment providers, shipping carriers, accounting, and ERP systems. The exact integrations depend on the project. See API integrations for how those connections are designed.

  1. 01

    Provider APIs

    Suppliers, fulfilment, warehouses, payments, shipping, accounting, or ERP — connected where the project needs them.

  2. 02

    Commerce platform

    Availability, pricing, and catalogue rules are applied in one place before anything reaches a storefront.

  3. 03

    Multiple storefronts

    Each store presents the slice of the catalogue and the experience its audience needs.

  4. 04

    Orders and fulfilment

    Customer orders flow back through the same operational system to the provider or warehouse that should fulfil them.

Business model

Different niches. Same commerce infrastructure.

A business can operate several ecommerce concepts from one platform. Each storefront is designed for its audience. Purchasing, inventory, orders, and fulfilment stay centralized.

Fitness

A storefront designed for training, recovery, and performance products.

Men's grooming

A separate brand and catalogue for a different buying behaviour.

Home

A distinct shopper experience without a second operations stack.

Pet

Another niche, same providers, inventory, and order handling underneath.

How it works

From providers to storefronts, then one place to run it.

01

Connect your providers

Connect suppliers, fulfilment systems, and the external services the business already depends on. Exact integrations are scoped per project.

02

Build the commerce core

Products, pricing, inventory, orders, customers, payments, and the commercial rules that a hosted store cannot hold cleanly.

03

Launch storefronts

Create different ecommerce experiences for different niches, brands, audiences, or markets — without cloning the operational system.

04

Route orders

Orders from every storefront flow through the same operational layer: inventory, payments, fulfilment, and the provider that should ship them.

05

Manage everything centrally

Operators use one dashboard to run the commerce ecosystem — storefronts, catalogue assignment, orders, and the exceptions that need a person.

Capability

What custom ecommerce development includes.

Scope is designed around the architecture — storefronts, commerce core, operations, and the commercial rules hosted platforms fight. Not every capability is in every project.

01

Storefronts

The shop the customer sees is part of the platform, not a theme sitting on someone else's checkout.

  • Custom storefronts — layout, catalogue, and accounts as one product per store.
  • Branding and presentation — domain, design, navigation, and collections can differ by storefront.
  • Customer accounts — trade and retail logins with the pricing and history that belong to them.
  • Cart behaviour — minimums, packs, quotes, or account-specific items, not a generic basket.

02

Commerce core

Catalogue, checkout, and orders are software you own.

  • Product catalogue — variants, contract catalogues, and the products you actually sell.
  • Product management — operators change products, prices, and availability without a developer for every edit.
  • Checkout — tax, shipping, approval, and payment steps are the process, not an app stack.
  • Payments — providers connect through APIs. The order and the payment have to agree, including the cases that fail.
  • Inventory — allocation, warehouses, and what can be promised live in the product.
  • Orders — status, fulfilment, and history the team and the customer can both see.

03

Operations

The team can run every storefront from one place, depending on the scope of the build.

  • Admin dashboard — products, orders, customers, and exceptions across stores.
  • Providers — suppliers, fulfilment, warehouses, and other systems connect as APIs.
  • Shipping and fulfilment — zones, methods, and exceptions encoded as operations.
  • Customer management — accounts, contacts, and order history as one customer.
  • Store assignment — products can be assigned to the storefronts that should sell them.

04

Business logic

The commercial rules that made a hosted store painful become the product.

  • B2B pricing — price lists, contract rates, and account-specific catalogues.
  • Multi-currency — prices and settlement in the currencies you actually trade.
  • Multi-country — tax, shipping, and catalogue differences modelled by market.
  • Custom workflows — approvals, packs, quotes, allocations, and product assignment rules.
  • Permissions — operators and roles as the project requires.

Use cases

Who this model is for.

Multi-niche ecommerce businesses

Several specialist stores that should share purchasing, stock, and fulfilment instead of cloning the whole operation.

Brands with multiple storefronts

Different brands or audiences on the surface, one operational system underneath.

Supplier-driven businesses

Companies that need provider APIs and centralized order handling — including dropshipping models — without treating each store as a separate stack.

International ecommerce

Different stores by market or country, with shared catalogue logic and localized storefront experiences.

B2B and B2C commerce

Wholesale and retail experiences that need different pricing, catalogues, and accounts while sharing the same orders and inventory.

Custom, not a theme

When a hosted store is enough — and when it is not.

Hosted ecommerce platforms are useful when the business fits the platform. Custom ecommerce development makes sense when the business model itself requires custom commerce infrastructure. We do not implement Shopify or WooCommerce stores.

When a hosted platform is the right product

If the business already fits a hosted store — standard catalogue, mainstream checkout, acceptable app costs — use a specialist in that platform. Shopify and WooCommerce are useful when the model fits them.

When custom ecommerce development is the product

Custom development makes sense when the business model itself requires commerce infrastructure: multiple storefronts, provider integrations, B2B pricing, multi-country rules, or operational logic that apps cannot hold.

Plugin risk

Each extra extension is another failure point. Custom platforms encode the rules in the product.

Customers cannot self-serve

Reorder, invoices, or account-specific catalogues still require a person on your side. Those belong in the platform — or in a portal on the same accounts.

Approach

How we approach the work.

01

Commerce as software

Catalogue, cart, payment, and fulfilment are one system. We do not decorate a generic store and hope the apps hold.

02

Admin the team can run

Operators need to change products, prices, storefront assignment, and orders without waiting on a developer for every edit.

04

Add storefronts without rebuilding the core

A first version proves the commerce loop. Later storefronts, provider connections, and commercial rules extend the same platform.

Project pricing

From pricing. Final cost depends on scope.

Every build is scoped against your workflow and integrations. The ranges below are starting anchors so you can see the commercial scale of the work — not a promise that every project costs the same.

Custom CRM

Custom CRM development

Scope depends on records, roles, automations, and integrations.

  • MVP

    From $2,000

    Core records, one sales process, live in one week.

  • Standard

    From $5,000

    Multiple processes, roles, automations, and dashboards.

  • Enterprise

    From $15,000

    Complex workflows, deeper integrations, and custom modules.

Custom ecommerce

Pricing reflects storefront count, catalogue complexity, integrations, and operational logic — not a theme install.

  • Custom

    From $6,500

    Single storefront with core commerce: catalogue, cart, checkout, and admin.

  • Advanced

    From $12,000

    Storefront plus operations, accounts, inventory, shipping, and integrations.

  • Complex

    From $20,000+

    Multiple storefronts, centralized operations, providers, and advanced business logic.

Client portal

Client portal development

Final cost depends on roles, documents, messaging, and connected systems.

  • Starter

    From $4,000–$5,000

    Secure login, dashboard, and core self-service.

  • Business

    From $7,500

    Documents, requests, notifications, and account tools.

  • Advanced

    From $15,000

    Payments, CRM links, audit logs, and custom workflows.

Custom web applications

Custom web application development

Every application is scoped individually. This is a starting point, not a package.

  • Starting point

    From $5,000

    A focused web application around a defined workflow.

Questions

Do you build Shopify or WooCommerce stores?

No. Hosted ecommerce platforms are useful when the business fits them — hire a specialist in that product. We build custom ecommerce platforms when the commercial model needs its own infrastructure: multiple storefronts, provider integrations, B2B pricing, or operational rules those products cannot hold. The custom ecommerce vs Shopify article lays out the decision.

What is multi-store ecommerce?

Multi-store ecommerce is a commerce architecture where several storefronts sell from one shared backend: catalogue, providers, inventory, orders, payments, and operations managed through one dashboard. Each store can have its own domain, branding, and product slice. Multi-store ecommerce development explains how that system is designed; this page covers how we build it.

Can one platform power multiple storefronts?

Yes. That is the core of this work: custom ecommerce development around a shared commerce core, with storefronts for different niches, brands, audiences, or markets. Each storefront can look and sell independently. Catalogue, providers, inventory, orders, and operations can stay centralized.

What does custom ecommerce development cost?

Focused custom stores start from $6,500. Advanced operations and integrations start from $12,000. Multiple storefronts, provider systems, and complex commercial logic typically sit in the $20,000+ band. Integrations and catalogue complexity move the number. Custom ecommerce development cost breaks the bands down.

Is the complete multi-store platform delivered in one week?

No. The first week produces a working version of the core commerce workflow. Extra storefronts, provider connections, and advanced rules are added incrementally onto software that is already in use.

Can we start with a smaller catalogue?

Yes. A first release should sell and fulfil reliably. Unusual pricing, extra regions, additional storefronts, and deep ERP work can follow under a maintenance plan or a later project.

Do you build wholesale or B2B catalogues?

Yes. Custom wholesale ecommerce is a typical reason to leave a hosted store: account pricing, contract catalogues, and fulfilment rules that apps cannot hold. Those rules can sit in the shared commerce core while B2B and B2C storefronts stay distinct.

Tell us how the commerce operation should work.

Share the storefronts, providers, and operational constraints. We will come back with a scoped project estimate — not a generic package.