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Next.jseCommerce development that grows revenue
eCommerce development is the design and build of online stores, B2B ordering portals and marketplaces — including the storefront, catalogue, checkout, payments, shipping, integrations and the admin tools behind them. The right platform depends on your catalogue, order volume, business model and team.
We build on Shopify, WooCommerce and Magento, and develop custom or headless commerce when off-the-shelf platforms limit growth. Every store is built for speed, search visibility and conversion, and connected to the systems that run your business.
Choosing the right eCommerce platform
| Platform | Best for | Strengths |
|---|---|---|
| Shopify / Shopify Plus | D2C brands wanting speed to market and low maintenance | Hosted, secure, huge app ecosystem |
| WooCommerce | Content-led brands and businesses already on WordPress | Full control, flexible, no platform fees |
| Magento (Adobe Commerce) | Large catalogues, complex B2B and multi-store setups | Powerful catalogue and pricing rules |
| Headless / custom | High-traffic brands, unique checkout or marketplace models | Maximum speed and flexibility |
Our eCommerce development services
Shopify development
Custom Shopify themes, apps, checkout extensions and Shopify Plus builds, plus migrations to Shopify.
WooCommerce development
High-performance WooCommerce stores, custom plugins, subscriptions, memberships and B2B features.
Magento development
Magento 2 / Adobe Commerce builds, upgrades, extensions and performance optimization.
B2B eCommerce
Customer-specific pricing, quick order, quotes, credit terms, approval flows and ERP-connected portals.
B2C eCommerce
Conversion-focused stores with great product pages, search, reviews, loyalty and fast checkout.
Marketplace development
Multi-vendor marketplaces with seller onboarding, commissions, payouts and dispute handling.
Headless commerce
Next.js storefronts connected to Shopify, BigCommerce, Medusa or a custom commerce API.
Store migration
Move platforms without losing products, customers, orders or SEO rankings.
Built for speed and conversion
- Mobile-first design with fast, simple checkout
- Core Web Vitals optimized for better rankings and conversion rates
- Product schema, clean URLs and SEO-friendly category structure
- Smart search, filters and merchandising
- Abandoned cart, upsell and cross-sell flows
- Analytics, conversion tracking and A/B testing ready
- Accessibility and secure payments (PCI-compliant gateways)
Integrations
Need your store connected to back-office systems? See ERP development.
Our eCommerce delivery process
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Discovery1–2 weeks
Business model, catalogue, integrations, platform choice and migration plan.
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UX & design2–4 weeks
Store design focused on navigation, product pages and checkout.
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Build & integrate4–12 weeks
Theme or storefront, custom features, payments, shipping and ERP integrations.
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Content & migration1–3 weeks
Products, customers and orders imported; redirects mapped for SEO.
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Launch & optimizeOngoing
Go-live, speed tuning, conversion testing and ongoing support.
eCommerce development cost
| Project | Scope | Timeline | Typical budget (USD) |
|---|---|---|---|
| Shopify or WooCommerce store | Custom theme, core apps/plugins, payments, shipping | 4–8 weeks | $8k – $30k |
| Advanced store / migration | Custom features, ERP integration, SEO-safe migration | 2–4 months | $30k – $80k |
| B2B portal or marketplace | Custom pricing, vendors, payouts, integrations | 3–6 months | $60k – $180k |
| Headless commerce | Custom storefront + commerce engine | 3–6 months | $70k – $200k |
Ranges are typical for projects of this kind and are shared to help you budget. Your fixed quote comes after a free discovery call and depends on scope, integrations and timeline.
B2B vs B2C eCommerce: key differences
| B2C | B2B | |
|---|---|---|
| Buyers | Individual consumers | Business buyers, often several per account |
| Pricing | Public prices and promotions | Customer-specific prices, tiers and contracts |
| Ordering | Single items, cart and checkout | Bulk orders, quick order, reorder, quotes |
| Payment | Cards and wallets at checkout | Credit terms, purchase orders, invoices |
| Integrations | Payments, shipping, marketing | ERP, CRM, punchout, EDI |
Many brands sell to both. We can run B2B and B2C from one platform with separate catalogues, prices and checkout rules.
Conversion rate checklist we build against
- Product pages with clear images, video, specs, reviews and delivery information
- Search that understands synonyms and typos
- Filters that match how customers shop
- Guest checkout and wallet payments (Apple Pay, Google Pay, PayPal)
- Transparent shipping costs and delivery dates before checkout
- Trust signals: returns policy, secure payment, real reviews
- Fast mobile performance (good Core Web Vitals)
- Abandoned cart and browse abandonment emails
SEO checklist for store launches and migrations
- Crawl the old store and export every indexed URL
- Map old URLs to new URLs and set up 301 redirects
- Keep or improve titles, meta descriptions and headings
- Add Product, Offer, Review and BreadcrumbList structured data
- Generate XML sitemaps and submit them in Search Console
- Monitor 404s, rankings and organic revenue for 8–12 weeks after launch
How long does it take to build an online store?
| Store type | Typical timeline | What drives it |
|---|---|---|
| Shopify store on a customised theme | 4–8 weeks | Number of products, apps and content pages |
| WooCommerce store with custom design | 6–10 weeks | Custom features, payment and shipping rules |
| Store migration (e.g. Magento to Shopify) | 8–14 weeks | Data volume, URL redirects, integrations |
| B2B portal with customer pricing | 10–16 weeks | ERP integration, price lists, approval flows |
| Multi-vendor marketplace | 4–8 months (phased) | Vendor onboarding, payouts, commissions |
Typical durations for planning purposes. Your written estimate sets the real timeline after discovery.
Payments, sales tax and shipping set up correctly
These are the details that cause failed checkouts, compliance headaches and unhappy customers when they are rushed. We configure and test each one before launch:
- Payments — Stripe, PayPal, Shopify Payments, Apple Pay and Google Pay, plus buy-now-pay-later options where they suit your average order value.
- US sales tax — automated calculation with tools such as Stripe Tax, Avalara or TaxJar, based on where you have tax obligations. Your accountant confirms the setup.
- Shipping — live carrier rates, free-shipping thresholds, local pickup and label printing through ShipStation or similar tools.
- Fraud and chargebacks — 3D Secure, address verification and fraud rules tuned to your risk level.
- Receipts and notifications — branded order, shipping and refund emails that reduce “where is my order?” support tickets.
After launch: growing the store
Launch day is the start. The stores that grow fastest treat their site as a product and improve it every month:
- Analytics and conversion tracking verified in GA4 and ad platforms
- Monthly conversion review: funnel drop-off, search terms, slow pages
- A/B tests on product pages, cart and checkout
- Email and SMS flows for abandoned carts, post-purchase and win-back
- Speed and Core Web Vitals monitoring after every app or theme change
- Security updates for plugins, apps and themes
Need your store connected to inventory and accounting? See ERP development. For customer data and follow-up, see CRM development.
Accessibility and compliance for US stores
Online stores in the United States face growing legal and payment-security requirements. We build them in from the start rather than retrofitting them after a complaint:
- Accessibility — themes and checkout tested against WCAG 2.2 AA, the standard most often referenced in ADA-related website claims.
- Payment security — hosted or tokenised payment fields so card data never touches your server, simplifying PCI DSS compliance.
- Privacy — clear privacy notices, consent for marketing and “do not sell or share” options where state laws require them.
- Email and SMS rules — opt-in collection and unsubscribe handling that meet CAN-SPAM and TCPA requirements.
We are engineers, not lawyers, so we recommend having your legal adviser review policies before launch.
How to evaluate an eCommerce development partner
The best eCommerce partners think about revenue, operations and search visibility — not just the look of the storefront. Ask them:
- How will you protect our existing search rankings during a redesign or replatform?
- How do you measure and improve conversion after launch?
- Which apps or plugins will you rely on, and what do they cost each month?
- How will orders, stock and customers sync with our ERP, warehouse or accounting system?
- How do you test checkout, payments, taxes and shipping before launch?
- Who will support the store during peak trading periods?
Specialist services include Shopify development and headless commerce.
Three-year cost of running an online store
| Cost line | What to plan for |
|---|---|
| Build or replatform | Design, development, integrations, migration and launch |
| Platform fees | Monthly plan fees for SaaS platforms, or hosting for self-hosted stores |
| Payment processing | Per-transaction fees from your payment provider |
| Apps and extensions | Monthly subscriptions that add up quickly — review them yearly |
| Maintenance | Updates, security patches, fixes and small improvements |
| Growth work | Conversion testing, speed improvements, new features and campaigns |
A planning checklist. Amounts vary widely with platform, traffic and order volume.
Store owners are often surprised by app subscriptions. A periodic audit — removing unused apps and replacing several small ones with a single custom feature — can reduce running costs and improve speed.
eCommerce terms explained
| Term | Meaning |
|---|---|
| AOV | Average order value |
| Conversion rate | The share of visits that result in an order |
| PIM | Product information management system for complex catalogues |
| OMS | Order management system that routes and tracks orders |
| Headless | A separate custom storefront connected to the commerce platform through APIs |
Signs it is time to replatform
- Every new feature needs a workaround or another paid app
- The store is slow on mobile despite optimisation efforts
- Staff re-key orders or stock levels between systems every day
- Your platform version is out of support or blocks security updates
- International, B2B or subscription selling is difficult or impossible
Replatforming is a significant project, so we start with an audit to confirm whether improving the current store would achieve the same result for less.
The audit compares the cost and risk of improving your existing store against a move to a new platform, including SEO protection, data migration, app replacement and staff retraining, so you can make the decision with a clear view of both paths.
You get a written recommendation with costs, risks and a suggested timeline for either route.
Why choose us for eCommerce
- Engineers, not just theme installers — we build custom features properly.
- SEO-safe migrations with full redirect mapping.
- Performance budgets and Core Web Vitals checks before launch.
- Deep integration experience with ERPs, CRMs and fulfilment tools.
Explore more in Business Software Solutions.