E-commerce build
[Industry] client
- Starting point
- [Verified baseline]
- What we did
- [Summary of work]
- Outcome
- [Verified results with timeframe]
E-commerce website development that's built to sell from day one
Your online store is your shop floor, sales team and checkout counter in one. We design and build fast, secure e-commerce websites on the right platform for your business, with product pages that persuade, a checkout that doesn't lose buyers, and SEO and tracking built in from the start.
What makes a successful e-commerce website
A good-looking store isn't enough. Online shoppers compare quickly, abandon slow or confusing sites without hesitation, and need to trust you with their payment details. Every part of the experience, from the first category page to the order confirmation email, affects whether a visitor becomes a customer and whether they come back.
Behind the storefront, the site also has to work for your business: stock and orders must flow correctly to your warehouse or fulfilment partner, prices and taxes must be right, and your team needs to add products and run promotions without calling a developer every time.
We build e-commerce websites around both sides: a fast, persuasive shopping experience for customers, and reliable, manageable operations for you. SEO, analytics and conversion tracking are part of the build, not bolted on later, so your marketing works from launch day.
We also plan for the store you'll need in two or three years, not just the one you need today: more products, new markets and currencies, wholesale customers, or additional sales channels. Getting those foundations right early avoids costly rework later.
Signs you need a new or rebuilt store
- Your conversion rate is falling or well below expectations.
- Pages are slow, particularly on mobile.
- Adding products or running promotions is painful.
- You've outgrown your platform's limits or pay for too many apps.
- Your store doesn't connect properly to inventory, ERP or shipping systems.
Who we build for
- D2C brands selling their own products online.
- Retailers adding or expanding online sales.
- B2B sellers needing account pricing, bulk ordering and quotes.
- Subscription businesses with recurring orders.
- Marketplace sellers building their own branded channel.
- Growing stores that have outgrown their first platform.
E-commerce development is part of our web development services and works alongside our e-commerce marketing and e-commerce SEO teams.
Choosing the right platform
There's no single best platform. We recommend based on your catalogue, budget, integrations, team and growth plans.
| Platform | Strengths | Best suited to |
|---|---|---|
| Shopify | Fast to launch, reliable hosting, strong app ecosystem, easy for teams to manage | Most D2C brands and growing retailers |
| WooCommerce | Flexible, built on WordPress, strong for content-led stores, no platform lock-in | Stores that combine content and commerce, with in-house or agency support |
| Magento / Adobe Commerce | Powerful catalogue, pricing and multi-store capabilities | Large catalogues, complex B2B and enterprise requirements |
| Headless commerce | Custom front end connected to a commerce platform via APIs; maximum design and speed control | Brands needing unique experiences and with development resources to maintain them |
We'll also tell you when a simpler option is enough. Many businesses don't need a custom build, and overbuilding increases cost and maintenance for years. Equally, choosing a platform that is too limited can force an expensive rebuild just as the business starts to grow. We weigh total cost of ownership, including apps, hosting, development and staff time, over at least three years.
What we build
Everything your store needs to sell, operate and grow.
Store design
Brand-led design for home, category, product, cart and account pages.
Product pages
Clear images, video, specifications, reviews, sizing help and delivery information.
Navigation and search
Category structures, filters and on-site search that help people find products fast.
Checkout
Streamlined, mobile-friendly checkout with guest options and local payment methods.
Payments
Payment gateways such as Razorpay, Stripe, PayPal or PayU, UPI, cards, wallets and cash on delivery where suitable.
Shipping and tax
Shipping rules, courier integrations and correct tax setup, including GST where applicable.
Integrations
ERP, inventory, CRM, accounting, marketplaces and email platforms.
Promotions
Discount codes, bundles, free-shipping thresholds and gift cards.
B2B features
Customer-specific pricing, quick order, quotes and credit terms.
SEO foundations
Clean URLs, structured data, canonical rules for filters and variants, fast templates.
Analytics and tracking
GA4 e-commerce events, ad platform tags and server-side tracking.
Content management
Easy tools for your team to manage products, pages and campaigns.
A checkout that doesn't lose buyers
The checkout is where the most motivated visitors drop out. Unexpected costs, forced account creation, long forms, missing payment options and slow pages all cause abandoned orders, and each one is revenue you've already paid to attract.
We design checkouts to be quick and reassuring: delivery costs and dates shown early, guest checkout available, address fields that autofill, the payment methods your customers actually use, clear security signals, and error messages that explain how to fix a problem rather than simply rejecting it.
After launch, we track every checkout step, so if people start dropping out at a particular point, you'll know where to focus.
Checkout essentials
- Total cost, including delivery, shown early
- Guest checkout option
- Address autocomplete and minimal fields
- Popular local payment methods
- Clear delivery and returns information
- Trust signals near payment
- Mobile-first layout and large tap targets
Replatforming without losing sales or rankings
Moving to a new e-commerce platform is one of the riskiest projects an online business undertakes. Products, customers, orders, content, URLs and integrations all have to move correctly, and search engines need to understand that your old pages now live at new addresses.
We plan migrations carefully: a full inventory of products, categories and content; data mapping and test imports; a complete redirect map from every old URL to its closest new equivalent; preserved page titles, descriptions and content where they perform; tracking rebuilt and tested; and a launch timed for a quieter trading period.
After launch, we monitor orders, errors, search indexing and rankings closely, fixing problems quickly before they cost you.
Migration checklist
- Data mapping for products, variants and customers
- Test imports reviewed by your team
- Full URL redirect map
- SEO elements preserved
- Integrations tested end to end
- Tracking and conversions verified
- Post-launch monitoring plan
Speed, security and reliability
Shoppers expect stores to load quickly on any phone, and every extra second of waiting costs sales. We build lean templates, optimise images automatically, limit third-party apps and scripts, and test real-world performance on mid-range mobile devices, not just fast office connections.
Security matters just as much. Stores handle personal data and payments, so we use reputable payment gateways that keep card details off your servers, enforce HTTPS, keep platforms and extensions updated, restrict admin access and set up backups and monitoring.
Reliability is the third pillar. Sales events and campaigns can multiply traffic in minutes. We choose hosting and architecture that handle peaks, test key journeys before big promotions, and set up alerts so problems are spotted before customers report them.
Common e-commerce build mistakes
- Installing an app for every small feature
- Leaving filters and variants to create thousands of duplicate URLs
- Launching without redirects from old product URLs
- Hiding delivery costs until the final step
- Skipping e-commerce tracking until after launch
- Designing for desktop first when most shoppers use phones
Business benefits of a well-built store
The right build pays for itself through higher conversion and lower running costs.
- Higher conversion rates from faster pages and a smoother checkout.
- More organic traffic thanks to SEO-ready templates.
- Lower operational effort through proper integrations.
- Better marketing data with accurate e-commerce tracking.
- Room to grow without rebuilding again in a year.
Why choose MarquixAd for e-commerce development?
Expertise
Developers experienced in Shopify, WooCommerce and headless builds.
Strategy
Platform recommendations based on your business, not our preferences.
Technology
Performance-focused development and modern tooling.
Data
Decisions informed by analytics and conversion data.
Execution
Rigorous testing of payments, integrations and journeys.
Optimisation
Post-launch optimisation of speed and conversion.
Reporting
Clear reporting on sales, conversion and checkout performance.
Communication
Straight answers on scope, cost and trade-offs.
Scalability
Architecture that supports new markets, catalogues and channels.
Our e-commerce development process
We plan the business requirements before the design, and the data before the launch.
Discovery
Products, customers, operations, integrations and goals.
Platform and architecture
Recommended platform, apps, integrations and data model.
UX and design
Wireframes and designs for key templates, tested for mobile.
Development
Theme or front-end build, integrations and admin setup.
Content and data
Product import, content migration and SEO elements.
Testing
Payments, taxes, shipping, integrations, speed and tracking.
Launch and optimise
Careful go-live, monitoring and post-launch improvements.
What you receive
A complete, documented store your team can run confidently.
| Stage | Deliverables |
|---|---|
| Planning | Requirements document; platform recommendation; sitemap and integration plan |
| Design | Wireframes and designs for key templates |
| Build | Configured store, theme or front end, integrations and apps |
| Launch | Data migration, redirects, tracking, testing and go-live support |
| Handover | Admin training, documentation and a post-launch support period of [30] days |
Relevant project experience
Selected e-commerce builds will appear here, showing the platform, scope and verified changes in speed, conversion rate and revenue.
E-commerce development: frequently asked questions
Planning a new store? Tell us about it.
How much does an e-commerce website cost?
It depends on platform, design, catalogue size, integrations and custom features. A themed Shopify store costs far less than a headless build with ERP integration. We provide a fixed estimate after discovery.
How long does it take to build an online store?
Simpler stores can launch in several weeks. Custom designs, large catalogues, complex integrations or migrations typically take a few months.
Which platform should we choose?
Shopify suits most growing brands; WooCommerce suits content-led stores; Magento suits complex catalogues; headless suits brands needing unique experiences. We recommend after understanding your needs.
Can you migrate our existing store?
Yes, including products, customers, orders where possible, content and URL redirects, with SEO and tracking preserved.
Will our store be SEO-friendly?
Yes. We build clean URL structures, structured data, rules for filters and variants, fast templates and editable SEO fields.
Which payment gateways do you integrate?
Common options include Razorpay, PayU, Stripe and PayPal, supporting UPI, cards, net banking and wallets, depending on your market and platform.
Can you integrate with our ERP or inventory system?
Usually, yes, through existing connectors or custom integrations. We assess your systems during discovery.
Do you build B2B e-commerce?
Yes, including customer-specific pricing, quick ordering, quotes, account approvals and credit terms.
Will we be able to manage the store ourselves?
Yes. We train your team and document common tasks such as adding products, running promotions and managing orders.
Do you provide support after launch?
Yes. Every build includes a post-launch support period, with ongoing maintenance and optimisation available.
Can you help us market the store too?
Yes, through our e-commerce marketing and e-commerce SEO services.
Do we need a custom design?
Not always. A well-configured premium theme can be the smart choice for newer stores. Custom design makes sense when brand experience or complex requirements justify it.
Build a store that sells as well as it looks
Tell us about your products and plans, and we'll recommend the right approach.