Custom Ecommerce Platforms Built for Growth

We design and develop tailored online stores, B2B portals, marketplaces, and dropshipping sites that scale with your business. Modern tech, zero compromises, and a team that treats your project like our own. Our deep expertise across the entire ecommerce technology stack means we deliver platforms that are fast, secure, and built to handle growth from day one. Whether you need a simple storefront or a complex multi-vendor marketplace with custom ERP integration, we have the skills and experience to deliver outstanding results on time and within budget.

85+Stores Launched
98%Client Satisfaction
4.9★Avg. Rating
6+Years Experience
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Order Summary

Today's revenue snapshot
Total Orders 342
Avg. Order Value $89.50
Conversion Rate 3.8%
Active Users 1,247
New Customers 89
Returning Rate 42%
Revenue Today $30,579

Ecommerce Solutions Tailored to Your Business Model

From B2B wholesale portals to multi-vendor marketplaces and headless storefronts, we engineer every layer of your online commerce infrastructure. Each solution is built with scalability, performance, and user experience as core principles. Our team combines deep technical expertise with practical ecommerce knowledge to deliver platforms that drive real revenue growth for our clients. Whether you are launching a direct-to-consumer brand or building an enterprise marketplace, we have the experience and technology stack to bring your vision to life. We work with startups looking for their first online presence, established retailers migrating from legacy platforms, and enterprise organizations building complex multi-channel commerce ecosystems. Every project receives the same commitment to quality, transparency, and results.

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B2C Online Stores

Beautiful, high-converting consumer storefronts with advanced product catalogs, faceted search and filtering, personalized product recommendations based on browsing and purchase history, abandoned cart recovery workflows with automated email and SMS sequences, one-click checkout optimized for mobile and desktop, and seamless social media integration with Instagram Shopping and Facebook Shops. Every store is built on a scalable architecture that handles traffic spikes during sales events and holiday seasons without breaking a sweat. We also include built-in SEO optimization, schema markup, and sitemap generation to help your products rank in search results from day one.

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B2B Wholesale Portals

Private wholesale platforms with tiered pricing by customer group, bulk ordering with quick-add lists, purchase order approval workflows with multi-level authorization, configurable net payment terms, dedicated dashboards for each business client, and automated reordering based on consumption patterns. We build B2B portals that streamline your wholesale operations and strengthen relationships with your business customers.

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Dropshipping Stores

Automated dropshipping solutions with real-time supplier inventory sync via API or CSV feeds, intelligent order routing to the correct supplier, supplier-facing dashboards for fulfillment management, automated carrier tracking with customer notifications, and pricing rules with configurable margin calculations. Connect your supplier network seamlessly and run your dropshipping business on autopilot.

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Multi-Vendor Marketplaces

Build your own marketplace platform with vendor onboarding and KYC verification, automated commission calculation with tiered rates, vendor storefront customization, product moderation and approval workflows, customer rating and review management, dispute resolution systems, and automated vendor payout settlements. We help you launch and scale a marketplace that competes with the best in your vertical.

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POS & Retail Integration

Unify your online and physical store operations with real-time POS integration. Synchronize inventory quantities, customer profiles, purchase history, and promotions across all sales channels. Support buy-online-pick-up-in-store (BOPIS), ship-from-store, and endless aisle experiences. We integrate with Square, Lightspeed, Vend, Shopify POS, Toast, and Clover for seamless omnichannel retail management.

Headless Commerce

API-first headless architecture for total frontend design freedom. Deliver blazing-fast shopping experiences using modern JavaScript frameworks like Next.js, Nuxt 3, or Gatsby. Ideal for brands needing unique interactive product experiences, custom mobile applications, or multi-channel content distribution. We pair headless frontends with Commercetools, Shopify Storefront API, or completely custom backend solutions tailored to your specific requirements.

From Concept to Launch in Four Phases

Our proven four-phase process delivers production-ready ecommerce platforms on time and on budget. We believe in transparent communication, iterative development, and partnership every step of the way. Each phase includes specific deliverables, review points, and quality gates to ensure your project stays on track. From the initial discovery call where we learn about your business to the final deployment and post-launch optimization, our process is designed to minimize risk, maximize value, and give you complete confidence in the final product. We have refined this methodology across more than 85 successful ecommerce launches.

01

Discovery & Strategy

We analyze your business model, target audience, competitive landscape, and technical requirements through structured workshops and stakeholder interviews. Deliverables include a detailed project roadmap with milestone definitions, technology stack recommendation with rationale, information architecture and user flow documentation, and a comprehensive scope document with itemized timeline and budget estimates covering development, testing, deployment, and post-launch support.

02

Design & Prototype

Our designers create wireframes and high-fidelity interactive prototypes in Figma backed by UX research and best practices. You review every screen and flow, provide feedback through structured review sessions, and iterate until the design perfectly captures your brand vision and meets your customers' expectations before any development begins. We focus on conversion-optimized layouts, clear navigation hierarchies, and accessible design patterns.

03

Development & Testing

We build your platform using modern, scalable technologies with continuous integration pipelines and automated testing suites. Our agile process includes weekly progress updates, bi-weekly milestone demos where you see working software, and comprehensive QA testing including performance benchmarking with Lighthouse, security scanning for OWASP vulnerabilities, cross-browser and cross-device validation, and load testing to ensure your platform handles peak traffic without degradation.

04

Launch & Optimize

After rigorous QA, load testing, and performance optimization, we deploy to production with a detailed launch checklist covering DNS configuration, SSL certificates, CDN setup, analytics configuration, and backup procedures. Post-launch we provide proactive monitoring with real-time alerts, performance optimization based on actual user data, content updates, and ongoing feature development to keep your platform growing with your business. We also provide training sessions for your team.

Modern Tech Stack for Modern Commerce

We select the best tools and frameworks for each project based on your requirements, scale, and team capabilities. Our stack is battle-tested across dozens of production ecommerce platforms handling millions in monthly transactions.

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Frontend

Next.js, Nuxt 3, Gatsby, React, Vue 3, Tailwind CSS, TypeScript. Server-side rendering for SEO and static generation for blazing-fast product pages. We build responsive, accessible interfaces that convert visitors into customers.

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Backend & APIs

Node.js, Python, PHP, Go. RESTful and GraphQL APIs with comprehensive documentation. Microservices architecture for complex platforms with separate services for catalog, pricing, orders, payments, and user management.

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Databases & Storage

PostgreSQL, MySQL, MongoDB, Redis for caching and session management. Elasticsearch for powerful product search with faceted navigation. Cloud CDN for global asset delivery and low-latency shopping experiences.

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Infrastructure

AWS, Google Cloud, Cloudflare. Docker containerization with Kubernetes orchestration for auto-scaling. CI/CD pipelines with automated testing and deployment. Real-time monitoring with Datadog or Sentry for proactive issue detection.

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Security & Compliance

PCI DSS compliant payment processing, SSL/TLS encryption, OAuth 2.0 authentication, rate limiting, WAF protection, GDPR cookie consent management, and regular security audits. We build secure platforms that protect your customers' data.

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Analytics & Optimization

Google Analytics 4, Hotjar, Mixpanel, custom dashboards with real-time KPIs. A/B testing infrastructure for conversion rate optimization. Performance monitoring with Core Web Vitals tracking and automated improvement recommendations.

Trusted by Growing Brands Worldwide

Our track record speaks for itself — real results for real businesses across multiple industries and ecommerce models.

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Ecommerce Sites Built
0
B2B Portals Deployed
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GMV Processed Monthly
0%
On-Time Delivery

What Sets Us Apart

We do not just build ecommerce platforms — we build long-term partnerships. Here is what makes our approach different from other development agencies.

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Business-First Approach

Every feature we build ties directly to your business KPIs — conversion rate, average order value, customer acquisition cost, and customer lifetime value. We do not add unnecessary complexity or flashy features that do not drive measurable business outcomes. Our design and development decisions are always guided by data and real user behavior patterns.

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Full Ownership Transfer

You own 100 percent of the code, design files, and infrastructure from day one. No proprietary frameworks, no platform lock-in, no recurring license fees or hidden royalties. We deploy on your own cloud infrastructure under your complete control with full administrative access. If you ever decide to work with another agency, you can take everything with you.

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Post-Launch Growth Partnership

Our relationship does not end at launch. We provide ongoing analytics review with actionable recommendations, conversion rate optimization through A/B testing and user research, feature enhancements based on customer feedback and market trends, and strategic consulting to help your ecommerce business scale year after year. Many of our clients have been with us for three years or more.

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Global Experience

We have built platforms for clients in North America, Europe, Asia, and Australia across industries including fashion, electronics, food and beverage, industrial supplies, and professional services. Our team speaks English, Ukrainian, and Russian.

Performance Engineering

We optimize every platform for speed. Fast page loads improve SEO rankings and conversion rates. Our sites consistently score 90-plus on Google PageSpeed Insights with proper image optimization, code splitting, caching, and CDN delivery.

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Transparent Communication

Weekly progress updates, milestone demos, shared project management dashboards, and a dedicated Slack channel. You always know exactly where your project stands and what to expect next. No black boxes, no surprises.

What Our Clients Say

Hear from founders and business owners who have launched their ecommerce platforms with ShopStack.

★★★★★

"ShopStack built our B2B wholesale portal from scratch and delivered ahead of schedule. The tiered pricing and purchase order approval system transformed how our wholesale clients order. Revenue from our wholesale channel increased 40 percent in the first quarter after launch."

Marcus Chen CEO, Northern Goods Co.
★★★★★

"We needed a dropshipping platform that could handle our complex supplier network with automated order routing. ShopStack delivered a system that saves us 20 hours per week on manual order processing. Their technical expertise and project management were outstanding throughout the entire engagement."

Elena Vasquez Founder, Urban Trend
★★★★★

"ShopStack helped us launch a multi-vendor marketplace for our industry vertical. The vendor onboarding flow, commission tracking, and dispute resolution tools are exactly what we needed. Our platform processed over two million dollars in transactions in the first six months. Highly recommended."

David Okafor Cofounder, Artisan Hub
★★★★★

"ShopStack migrated our existing store from Shopify to a custom-built platform and the difference is night and day. Page load times dropped by 60 percent, our SEO rankings improved significantly, and we now have complete control over our checkout flow. The migration was seamless with zero downtime."

Sarah Mitchell Owner, Purely Natural
★★★★★

"We needed a POS integration that would sync inventory between our three physical stores and our online shop in real time. ShopStack built exactly that. The system handles hundreds of transactions daily without a single sync error. Our staff loves the unified dashboard and our customers appreciate accurate stock information."

Tom Harrison Director, Urban Outfitters Supply

Transparent Pricing for Every Stage of Growth

Fixed-price packages with no hidden fees and clearly defined deliverables. Every project begins with a free discovery call to understand your requirements before we provide a detailed proposal with itemized pricing. Custom scopes and enterprise projects are always welcome — reach out for a tailored quote. We also offer flexible payment schedules with milestone-based invoicing so you pay as value is delivered. Not sure which package fits? Contact us and we will recommend the best approach for your specific needs during a no-obligation consultation.

Starter
$2.5k
Perfect for small brands and startups launching their first online store with essential features to start selling quickly.
  • Custom storefront design
  • Up to 50 products
  • Payment gateway integration
  • Mobile responsive layout
  • Basic SEO setup
  • 1 month post-launch support
Get Started
Enterprise
$18k+
For large-scale marketplaces, multi-store networks, and complex ecommerce platforms requiring custom infrastructure.
  • Everything in Business
  • Unlimited products
  • Multi-vendor marketplace
  • Custom API development
  • POS & retail integration
  • Headless architecture
  • 6 months dedicated support
Contact Us

Frequently Asked Questions

Everything you need to know about working with ShopStack. If you have additional questions about your specific project type, technology requirements, or budget considerations, do not hesitate to reach out via our contact page. We are happy to provide clarity on any aspect of our process.

ShopStack builds B2B ecommerce portals, wholesale ordering platforms, dropshipping stores, multi-vendor marketplaces, subscription-based stores, and POS-integrated retail systems. We tailor every solution to your business model. Our portfolio includes direct-to-consumer brands launching their first online store, established wholesalers migrating to digital ordering portals, and enterprise clients building custom marketplace platforms from scratch. Each project begins with a deep analysis of your business requirements, target audience, and technical constraints to ensure the final platform aligns perfectly with your operational needs and growth goals.
A standard ecommerce store typically takes 6 to 12 weeks depending on complexity. Marketplace and B2B solutions require 10 to 18 weeks. We follow an agile development process with bi-weekly milestone reviews so you always have visibility into progress. During the discovery phase we establish a detailed timeline with specific deliverables for each sprint. Factors that influence timeline include the number of product SKUs, third-party integrations required, custom feature development, and data migration from existing platforms. We provide a firm timeline estimate after completing the discovery and scoping phase.
Yes, we build custom integrations with major ERP systems including SAP, Oracle NetSuite, and Microsoft Dynamics, as well as mid-market solutions like Zoho Inventory, TradeGecko, Cin7, and Katana. We also integrate with accounting platforms such as QuickBooks, Xero, and FreshBooks. Our integration approach uses RESTful APIs with webhook-based real-time sync wherever possible. For legacy systems we build custom middleware to bridge data between your existing infrastructure and the new ecommerce platform. We prioritize data integrity with conflict resolution mechanisms and comprehensive audit logging.
Absolutely. We develop sophisticated B2B wholesale platforms featuring customer group pricing with unlimited tiers, volume-based discount schedules, minimum order quantities by product and customer segment, requisition lists for repeat ordering, purchase order approval workflows with multi-level authorization, and configurable net payment terms including net-30, net-60, and net-90. Each wholesale client receives a custom portal experience with their own pricing, catalog visibility rules, and dedicated account manager functionality. We also support contract pricing with effective dates and automated renewal notifications.
We integrate Stripe, PayPal, Square, Authorize.net, Braintree, Mollie, Adyen, and regional gateways like Rapyd and dLocal for emerging markets. For B2B platforms we add invoice-based payments with automatic generation of PDF invoices, wire transfer instructions, and ACH payments. Net-term payment processing with automated reminders and dunning workflows is also supported. All payment integrations comply with PCI DSS standards. We support multi-currency pricing with real-time exchange rate feeds and multi-language storefronts to serve international customers effectively.
Yes, we build dropshipping stores with comprehensive automation including automated order routing to the correct supplier based on product and inventory availability, real-time inventory synchronization from supplier feeds, supplier-facing dashboards for order management and fulfillment status updates, and carrier tracking integration with automated customer notifications. We can connect to major dropshipping networks such as Spocket, Modalyst, and Oberlo, as well as your private supplier API or custom CSV-based workflows. Our dropshipping solutions include automated pricing rules with margin calculation and supplier performance analytics.
Headless commerce separates the frontend presentation layer from the backend commerce engine, giving you complete freedom over the shopping experience without being constrained by platform templates. It delivers faster page loads through modern JavaScript frameworks, enables consistent omnichannel experiences across web, mobile, and IoT, and allows your team to update the frontend independently from backend logic. It is ideal for brands that need unique shopping experiences, mobile apps, interactive product configurators, or multi-channel selling. We build headless stores using Next.js, Nuxt 3, or Gatsby with Commercetools, Shopify Storefront API, or fully custom backends.
Yes, we develop full-featured multi-vendor marketplaces with vendor registration and KYC verification, automated commission calculation with tiered rate structures, vendor dashboards showing real-time sales and analytics, product approval workflows to maintain catalog quality standards, dispute resolution systems with mediation tracking, and customer rating and review management. Each vendor gets a customizable storefront within your marketplace while you maintain full control over the platform, commission structures, and customer relationship. We also build vendor payout systems with automated settlement calculations and batch payment processing.
Yes, we integrate ecommerce platforms with leading POS systems including Square, Lightspeed Retail, Vend, Shopify POS, Toast POS, and Clover. Our integrations ensure that inventory quantities update in real time across all sales channels, customer profiles and purchase history sync bidirectionally, and orders placed online can be fulfilled from any physical store location with local pickup workflows. We also support unified promotions and loyalty programs that work across both online and in-store channels, giving your customers a seamless brand experience regardless of how they choose to shop.
We offer flexible maintenance plans including security patching and vulnerability monitoring, uptime and performance monitoring with incident response, content updates and product catalog management, feature enhancements and iterative improvements, analytics reporting and conversion rate optimization consulting, and technical SEO maintenance. Our team is available via email and dedicated Slack channel with guaranteed response times based on your support tier. We also provide quarterly business reviews where we analyze platform performance metrics and recommend strategic improvements to help your ecommerce business continue growing.

Ready to Build Your Ecommerce Platform?

Schedule a free 30-minute consultation and get a detailed project estimate within 48 hours. No commitment required — just a conversation about your vision and how we can help bring it to life. During the call we will discuss your business goals, technical requirements, timeline expectations, and budget parameters. You will leave with a clear understanding of what is possible and a recommended path forward. If we determine that we are not the right fit for your project, we will be honest about it and provide alternative recommendations.