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Ecommerce builds made to hold up on Black Friday

An online store built for the phone, from the product page to checkout to shipping.

At a glance

  • Shopify or WooCommerce + custom theme
  • Stripe Tax + shipping zones
  • Up to 50 products migrated
  • From $5,500
  • 5–8 week build

What we wire by default

  1. Checkout speed: fast on a real phone — we measure it before launch
  2. Stripe Tax for automatic sales tax calculation at checkout
  3. Shipping zones with rate calculation per region, not flat-rate guesses
  4. Abandoned cart flow (3-email sequence over 7 days)
  5. Post-purchase flow (review request at day 14, repeat purchase nudge at 60 days)
  6. Inventory sync with your fulfilment system (ShipBob, ShipStation, or in-house)
  7. Real-time dashboards in /admin showing sales, top SKUs, abandoned-cart recovery rate

Online stores, in detail

Ecommerce builds on Shopify or WooCommerce, built to hold up on Black Friday. Stripe Tax + shipping zones + abandoned cart wired by default. From $5,500.

The most expensive ecommerce email a small-business owner reads is the one that arrives at 9 PM on Black Friday: "Your checkout has been throwing errors for 40 minutes. We're not sure why."

Most small ecommerce stores ride a slow-burn collapse for years before they admit they need a rebuild. Plug-ins stack up. Page weight balloons. The mobile checkout starts dropping carts. The "Sale" badge on the homepage takes seconds to render. Then Black Friday arrives and the cracks become a fire.

We rebuild these stores. Sometimes from a Shopify template that was bolted together years ago; sometimes from a WooCommerce site running dozens of plug-ins. Either way, the brief is the same: the checkout has to hold up on your busiest day, mobile has to feel like a native app, and the inventory-shipping-tax stack has to be invisible to your customer and bulletproof to your operations team.

Why most ecommerce builds fail after launch

Three patterns we see consistently:

The plug-in tax. A Shopify store launches with five apps subscribed (reviews, upsells, abandoned cart, shipping, taxes). By month 18, the app count has multiplied, and so have the recurring fees. The store is slow because every app is loading scripts on every page.

The "responsive" checkout that wasn't. The checkout flow tested fine on the developer's MacBook. On a 5-year-old Android with rural 4G, the address field times out and orders silently fail.

Inventory and shipping that can't scale. Manual stock adjustments work fine until you ship 200 orders a week. Then a single SKU mistake costs you chargebacks and a week of refund emails.

We engineer past all three.

The two stacks we work in

Shopify WooCommerce
Best for Brands prioritising marketing velocity, channel sales (Amazon, Instagram Shop), POS integration Brands needing custom checkout flows, B2B portals, complex pricing rules, lower per-transaction fee at scale
Theme approach Custom theme (not a marketplace template) Custom Block-theme
Running costs Monthly Shopify plan plus transaction fees No platform fee; you pay for hosting
Sweet spot Growing brands selling across channels Larger catalogues, complex pricing and B2B

Migration: bringing your old store along

We migrate stores from Wix Stores, Squarespace Commerce, BigCommerce, Magento, and older Shopify stores with messy theme histories.

What comes with you: products, customers, order history, reviews, SEO redirects (to protect the Google rankings you've already earned).

What we leave behind: junk plug-in data, abandoned customisations, inventory you stopped stocking 18 months ago.

Migration is included in the build cost up to 50 products, 1,000 customers, and 12 months of order history. Larger migrations are scoped separately.

Pricing

Ecommerce package starts at $5,500 for a 5–8 week build with up to 50 products migrated. Larger catalogs and B2B portals are quoted after a discovery call.

Includes 60 days of post-launch support — if anything's broken, we fix it free.

What this looks like in practice

Our published projects are at /work. Ask us which one is closest to your store and we'll walk you through how it was built.

Planning the work

Design the whole purchase journey, including what happens after checkout.

What to cover in the scope

  1. Organize products, variants and information around buying decisions.
  2. Plan cart, checkout, payment and order confirmation states.
  3. Account for fulfilment, returns and the staff workflow behind the store.

What helps us plan

Bring the catalogue, product imagery, approved shipping and return policies and payment-provider requirements. Custom integrations and data migration need to be identified in the scope.

How to judge the result

Test product selection, checkout failures and order handling. Review completed purchases and support friction alongside the visual design.

From your first message to every month after.

  1. Tell us what to fix

    A few lines on the form, or ask the assistant. A person replies within 4 business hours.

  2. A call, then your plan

    What to fix first and why, what we'd build and run, the price and the go-live date, in writing within two business days.

  3. We build and launch

    A website takes 2 to 6 weeks, a web app 8 to 16. Tested on real phones before launch.

  4. We run it, every month

    Hosting, updates and the systems kept working. Monthly plans cancel any time.

Straight answers before you sign

  • You own everything.

    Your code, your domain, your accounts and your data.

  • One contract, your currency.

    You sign with Redenn Informatics Pvt. Ltd. (India) and are invoiced in your own currency. North American work is led from our Brampton, Ontario office (Redenn Informatics Inc.).

  • Tested on real phones.

    Built mobile-first, load time measured before launch, designed to WCAG 2.1 AA.

  • Prices published.

    Websites from $1,200, web apps from $15,000, monthly systems $149 to $249/mo plus setup from $500, and care from $49/mo.

    Quoted and invoiced in your own currency by Redenn Informatics Pvt. Ltd. (India); pay by card through Razorpay or by bank transfer.

    See every starting price

Questions about online stores

  • The base package is $5,500 for a 5–8 week build. That covers a custom theme on Shopify or a custom Block theme on WooCommerce, a checkout that loads in under two seconds on a real-world 4G connection, tax and shipping configured — Stripe Tax handles over 11,000 jurisdictions across the US, Canada, UK and EU — and migration of up to 50 products, 1,000 customers and 12 months of order history. Sixty days of post-launch support is included. Larger catalogues and B2B builds are scoped separately, always as a fixed written price, so the number you agree to is the number you pay.

Tell us where customers slip away. We'll write the plan.

A person replies within 4 business hours. Your written growth plan follows within two business days.

Or call +1 437 524 3001 or toll-free +1 888 905 4003, or email hello@redenn.com.