CometByte

E-commerce engineering · development · operations

From product to purchase. We build the system behind it.

Shopify, WooCommerce, BigCommerce, Adobe Commerce, OpenCart, CS-Cart and custom platforms — storefront, backend, integrations, migration and the ongoing operations underneath.

  1. Catalogue
  2. Cart
  3. Payment
  4. Order
  5. Fulfilment
  6. Customer
Build my storeTalk to an e-commerce expert

E-commerce isn't a website.

The storefront is the visible layer. Fifteen other things decide whether the business actually works, and most of them never appear on a design mockup.

  • Products
  • Inventory
  • Customers
  • Payments
  • Orders
  • Shipping
  • Taxes
  • Marketing
  • Analytics
  • ERP
  • CRM
  • Support
  • Automation
  • Integrations
  • Data

Most agencies build the store. We build the commerce system underneath it.

Build. Migrate. Manage.

  • 01

    Build

    Need a new store?

    Architecture, design, storefront, catalogue, checkout, payments, shipping, tax, analytics and SEO — connected from day one rather than bolted on later.

  • 02

    Migrate

    Have an old store?

    Products, customers, orders, inventory and search equity moved to the new platform, with the data actually mapped rather than dumped.

  • 03

    Manage

    Already running?

    Catalogue work, pricing, promotions, content, order workflows, maintenance and the technical side of daily operations.

Don't choose a platform because it's popular.

Every one of these is the right answer for someone and the wrong answer for someone else. Pick one to see where it fits, what it costs you, and what we would build on it.

Hosted

Shopify

Fast to launch and hosted for you, with a deep app ecosystem behind it.

Best for
Brands that want to sell quickly without owning infrastructure, including Plus for scale.
Trade-off
Checkout and platform internals are only customisable within what Shopify allows.

What we build on it

  • Custom apps
  • Shopify Functions
  • Theme development
  • Checkout customisation
  • Webhooks
  • Shopify
  • Shopify Plus
  • Liquid
  • Shopify Functions
  • Admin API
  • Storefront API

We recommend technology based on business requirements, not on what we prefer to build.

  1. Business requirements
  2. Architecture
  3. Platform
  4. Customisation
  5. Integrations
  • Business model
  • Product complexity
  • Catalogue size
  • Budget
  • Customisation
  • Markets
  • Payment requirements
  • ERP and CRM
  • Shipping
  • Tax
  • Marketplace needs
  • B2B or B2C
  • Multi-store
  • Multi-language
  • Multi-currency
  • Future scale

Launch with everything already connected.

  1. Discover
  2. Design
  3. Build
  4. Integrate
  5. Test
  6. Launch

Your brand shouldn't look like every other store

Custom themes on Shopify Liquid, WooCommerce, BigCommerce, Magento, OpenCart and CS-Cart, built as a design system rather than a purchased template with the colours changed.

  • Store architecture
  • UX/UI
  • Theme development
  • Product catalogue
  • Categories
  • Filters
  • Search
  • Product variants
  • Checkout
  • Customer accounts
  • Wishlist
  • Coupons
  • Reviews
  • Shipping
  • Tax
  • Payments
  • Analytics
  • SEO

If the platform can't do it, we build it

  • Shopify

    Custom apps, Shopify Functions, Admin extensions, checkout customisation, webhooks

  • WooCommerce

    Custom plugins, hooks, actions, filters, REST API work, payment extensions

  • Magento & Adobe Commerce

    Custom modules, observers, plugins, GraphQL, REST API, admin customisation

  • Everything else

    Custom extensions, API integrations, backend services, storefront functionality

Moving stores? Don't lose your data.

Migration isn't copying records across. The data structure has to be mapped to how the destination platform actually models products, variants and orders — which is where most migrations quietly go wrong.

  1. Old store
  2. Data audit
  3. Mapping
  4. Transformation
  5. Migration
  6. Validation
  7. New store

What moves

  • Products
  • SKUs
  • Variants
  • Categories
  • Customers
  • Orders
  • Addresses
  • Images
  • Inventory
  • Coupons
  • Reviews
  • Pages
  • Blog content
  • Metadata
  • SEO URLs

Routes we run

  • WooCommerce → Shopify
  • Magento → Shopify
  • OpenCart → WooCommerce
  • WooCommerce → BigCommerce
  • Magento → Adobe Commerce
  • Custom → Shopify
  • Custom → WooCommerce
  • Custom → Custom

Change your platform. Don't destroy your search presence.

  1. Old URL
  2. 301
  3. New URL
  4. Search equity preserved
  • URL mapping
  • 301 redirects
  • Metadata migration
  • Canonical handling
  • Sitemap updates
  • Robots configuration
  • Structured data
  • Internal links
  • Image URLs
  • Category URLs
  • Product URLs
  • Search Console monitoring

Redirects and structured data protect what you have earned. No one can guarantee rankings survive a replatform untouched — the work is in making sure nothing is lost for a reason you could have avoided.

Your store should talk to your business.

  1. Order
  2. Payment
  3. Fulfilment
  4. Courier
  5. Tracking
  6. Delivery

  • Payments

    Gateway setup, API integration, webhooks, payment status handling, refunds, failed payments, order sync, currency and checkout customisation.

    • Stripe
    • PayPal
    • Razorpay
    • Telr
    • Regional providers
    • Bank systems
    • BNPL
    • Custom APIs

    Gateway availability depends on country, platform, business model and provider — not every gateway works everywhere.

  • Shipping & fulfilment

    Courier APIs, rate calculation, tracking, delivery status, zones, pickup, local delivery, warehouse and fulfilment systems.

    • Courier APIs
    • Rate calculation
    • Tracking
    • Shipping zones
    • Pickup
    • Local delivery
    • Warehouse systems

  • ERP, CRM & business systems

    Your store should talk to the rest of the business, through REST, GraphQL, webhooks, SDKs, middleware or custom backend services.

    • ERP
    • CRM
    • Accounting
    • Warehouse
    • POS
    • Marketing platforms
    • Customer support
    • Analytics

  • Inventory

    One product, one source of truth — synchronised across store, POS, ERP, warehouse and marketplaces.

    • Stock sync
    • Multi-location
    • SKU mapping
    • Low-stock alerts
    • Inventory APIs
    • Marketplace sync

Sometimes the platform isn't enough.

  1. Frontend
  2. Commerce API
  3. Products, orders, customers
  4. Business systems

  • Headless commerce

    A custom frontend on Next.js, React, Vue or Nuxt against Shopify Storefront API, BigCommerce APIs, Magento GraphQL or the WooCommerce REST API. Worth it when the business case justifies owning the frontend — not by default.

    • Storefront API
    • GraphQL
    • REST
    • Next.js
    • React
    • Vue
    • Nuxt

  • Custom commerce

    When no platform fits without a fight: custom storefronts, checkout, product configurators, pricing engines, subscriptions and order management.

    • Custom checkout
    • Configurators
    • Pricing engines
    • Subscriptions
    • Order management
    • Commerce APIs

  • Marketplaces

    Multi-vendor commerce on CS-Cart, WooCommerce, Magento or custom — the seller side is a whole product of its own.

    • Seller onboarding
    • Vendor dashboards
    • Product approval
    • Commissions
    • Payouts
    • Order splitting
    • Vendor shipping

  • B2B commerce

    Not every store sells to consumers. Company accounts and negotiated pricing change the whole checkout model.

    • Company accounts
    • Customer groups
    • Wholesale pricing
    • Tier pricing
    • Bulk ordering
    • Quotes
    • Purchase orders
    • Approval workflows
    • Credit limits

One business, multiple stores

Platform capabilities vary a lot here. The architecture has to account for catalogue, pricing, inventory, tax, shipping, localisation and customer accounts before a domain gets bought.

  • Multiple countries
  • Multiple currencies
  • Multiple languages
  • Multiple brands
  • Multiple domains
  • B2B and B2C together
  • Regional stores
  • Wholesale and retail

You sell. We can run the backend.

Optional managed commerce operations. Thousands of products is a data problem, and keeping a catalogue current is a job — not something a founder should be doing at midnight.

Catalogue work

  • Product upload
  • Bulk import
  • CSV imports
  • Product variants
  • SKU management
  • Category mapping
  • Attribute management
  • Product images
  • Pricing
  • Sale pricing
  • Inventory
  • Descriptions
  • SEO metadata
  • Bulk updates

Product data cleanup

  • Remove duplicates
  • Normalise attributes
  • Fix categories
  • Standardise SKUs
  • Clean images
  • Normalise pricing

Ongoing operations

  • Product uploads and updates
  • Catalogue management
  • Category management
  • Inventory updates
  • Pricing updates
  • Discount configuration
  • Coupon setup
  • Banner updates
  • Landing pages
  • Order management workflows
  • Store configuration
  • Content updates
  • Technical maintenance

This path has to work every single time.

  1. Product
  2. Cart
  3. Checkout
  4. Payment
  5. Order

  • Testing

    E-commerce failures cost money the same day they happen.

    • Product flows
    • Cart
    • Checkout
    • Payments
    • Coupons
    • Tax
    • Shipping
    • Inventory
    • Customer accounts
    • Refunds
    • APIs
    • Integrations
    • Mobile
    • Browsers

  • Performance

    Fast stores sell better, and third-party scripts are usually the reason they do not.

    • Core Web Vitals
    • Image delivery
    • Lazy loading
    • Caching
    • CDN
    • Database queries
    • API calls
    • JavaScript
    • Third-party scripts
    • SSR / ISR
    • Edge rendering

  • Security

    Customisation should not quietly widen the attack surface.

    • Secure authentication
    • Authorisation
    • API security
    • Admin protection
    • Payment security
    • Input validation
    • Dependency updates
    • Backup strategy
    • Logging
    • Monitoring

Build the store. Build its discoverability.

  • Technical SEO
  • Product SEO
  • Category SEO
  • Structured data
  • Product schema
  • Internal linking
  • Faceted navigation
  • Canonicals
  • Sitemaps
  • Image SEO
Digital marketing

Know what the store is doing

  • Google Analytics
  • Tag Manager
  • Search Console
  • Meta Pixel
  • Conversions API
  • Google Ads tracking
  • Merchant Center
  • Server-side tracking

Traffic, product views, add-to-cart, checkout, purchases, revenue, AOV, conversion rate and campaign attribution.

Less manual work. Your store can think too.

Automation

The repetitive parts of running a store are exactly the parts a machine should be doing.

  • Order processing
  • Inventory synchronisation
  • Customer notifications
  • Abandoned carts
  • Product imports
  • Price updates
  • ERP synchronisation
  • CRM synchronisation
  • Shipping updates
  • Invoice generation
  • Customer segmentation
  • Marketing workflows
  • n8n
  • Zapier
  • Make
  • Webhooks
  • Custom APIs
  • Server-side jobs

AI on top of the catalogue

An LLM plus retrieval over your product catalogue, customer data and commerce APIs — grounded in real inventory rather than inventing products.

  • AI shopping assistants
  • Product recommendations
  • Semantic product search
  • AI customer support
  • AI product descriptions
  • Catalogue enrichment
  • Review analysis
  • Demand forecasting
  • Visual product search
  • Conversational commerce
AI & machine learning
  1. Customer
  2. AI shopping agent
  3. Product search
  4. Inventory
  5. Recommendation
  6. Checkout

Already have a store? We can take it over.

For businesses whose previous developer disappeared, whose updates keep breaking, or whose store works but nobody dares touch it. It starts with an honest audit, not a rewrite quote.

Taking over an existing store

  • Audit code
  • Audit integrations
  • Fix bugs
  • Improve performance
  • Clean product data
  • Fix checkout
  • Upgrade dependencies
  • Improve security
  • Improve SEO
  • Add features
  • Maintain backend
  • Continue the roadmap

Old store, new future

  • Legacy platform migration
  • Old PHP systems
  • Magento upgrades
  • WooCommerce modernisation
  • Custom platform modernisation
  • Database migration
  • API modernisation
  • Frontend modernisation
  • Security upgrades
  1. Legacy store
  2. Audit
  3. Modernise
  4. Migrate
  5. Optimise
  6. Scale

How a commerce project actually runs.

Not every project uses every stage. A migration skips design; a managed engagement starts at the end.

  • 01

    Discover

    The business, the catalogue, the markets, the constraints.

  • 02

    Audit

    Existing store, data, integrations and whatever is already broken.

  • 03

    Architect

    Platform, data model, integrations and the shape of the system.

  • 04

    Design

    Storefront UX and UI, built around conversion rather than decoration.

  • 05

    Build

    Theme, storefront, custom extensions and backend services.

  • 06

    Integrate

    Payments, shipping, tax, ERP, CRM, inventory and analytics.

  • 07

    Migrate

    Data mapped, transformed, moved and validated. URLs redirected.

  • 08

    Test

    The whole critical path, on real devices and real payment sandboxes.

  • 09

    Launch

    Cutover, monitoring, and someone actually watching the first orders.

  • 10

    Optimise

    Speed, conversion, search visibility and the checkout drop-off.

  • 11

    Manage

    Catalogue, content and maintenance, for as long as you want it.

The commerce stack.

Platforms, frontends, backends, databases, APIs and the infrastructure a store runs on.

38 technologies

  • Shopify

    Commerce platforms

  • Shopify Plus

    Commerce platforms

  • WooCommerce

    Commerce platforms

  • BigCommerce

    Commerce platforms

  • Adobe Commerce

    Commerce platforms

  • Magento Open Source

    Commerce platforms

  • OpenCart

    Commerce platforms

  • CS-Cart

    Commerce platforms

  • Wix Stores

    Commerce platforms

  • Squarespace Commerce

    Commerce platforms

  • React

    Frontend

  • Next.js

    Frontend

  • Vue

    Frontend

  • Nuxt

    Frontend

  • Angular

    Frontend

  • Liquid

    Frontend

  • TypeScript

    Frontend

  • Node.js

    Backend

  • PHP

    Backend

  • Laravel

    Backend

  • Symfony

    Backend

  • Python

    Backend

  • .NET

    Backend

  • Java

    Backend

  • MySQL

    Databases

  • PostgreSQL

    Databases

  • MongoDB

    Databases

  • Redis

    Databases

  • REST

    APIs

  • GraphQL

    APIs

  • Webhooks

    APIs

  • Storefront API

    APIs

  • Admin API

    APIs

  • AWS

    Cloud

  • Azure

    Cloud

  • Google Cloud

    Cloud

  • Cloudflare

    Cloud

  • DigitalOcean

    Cloud

Your store doesn't exist in isolation.

  • Marketing

    SEO, ads, analytics and the demand that has to arrive before a store matters.

    Digital marketing

  • AI

    Shopping agents, semantic search and support grounded in your real catalogue.

    AI & machine learning

  • Cloud

    Hosting, CDN, edge rendering and the infrastructure a sale depends on.

    Cloud solutions

  • Security

    Payment security, admin protection and vulnerability work on a system holding card data.

    Cybersecurity

  • Mobile

    A companion app when the store outgrows the browser.

    App development

  • Foundation

    The CRM, ERP and internal systems the store is supposed to be talking to.

    Digital foundation

Your products deserve better technology.

Build, migrate, manage, scale. Launching a new store, moving off an old platform, or handing over the technical side of one that already runs — from Shopify and WooCommerce to Adobe Commerce, CS-Cart and custom commerce systems.

  • Storefront
  • Backend
  • Payments
  • Orders
  • Inventory
  • Migration
  • Operations
Talk about your storePlan my migration

Need traffic arriving at the store too? Look at

digital marketing

Let's have a chat

Get in touch