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Down Your High Street
Case Study

Multivendor UK Marketplace Empowering Local Retailers | CS-Cart

About the Project

colorful-gift-boxes-toys-product-range
  • Industry
    Multivendor ecommerce platform focused on independent UK retailers, showcasing fashion, homeware, gifts, toys, and more.
  • Solution Type
    Custom multivendor marketplace platform built to unify local independent retailers online, offering them a shared sales channel and increased visibility.
  • Technologies
    CS-Cart Multivendor, PHP, MySQL, Smarty, HTML5, CSS3, JavaScript
  • Integrations
    Adyen (for standard payments), ClearPay (Buy Now, Pay Later) payment gateways

The Challenge

Independent UK high-street shops struggled to compete with online retailers due to declining footfall and weak ecommerce presence. The goal was to create a unified marketplace combining local shop charm with modern platform convenience and reach.

  1. Declining Footfall
    Independent UK high-street shops were seeing fewer in-person customers, impacting sales and visibility.
  2. Limited Digital Presence
    Many local retailers lacked ecommerce platforms, reducing their ability to compete online.
  3. Fragmented Product Listings
    Shops faced challenges aggregating diverse product catalogs into a single, accessible marketplace.
  4. Competitive Pressure from Large Retailers
    Big online retailers offered convenience, variety, and flexible payment options, drawing customers away.
  5. Create a Unified Marketplace
    Develop a platform that preserves the charm and identity of local shops while providing modern online reach and convenience.

Key Pain Points

  • Lack of digital presence for brick-and-mortar independents.
  • Difficulties in aggregating diverse product catalogs.
  • High-cost barriers to creating or maintaining individual
e-commerce platforms.
  • Need for flexible, modern payment options, including “buy now, pay later.”

Specific Goals

  • Build a scalable, user-friendly multi-seller platform from scratch.
  • Empower retailers to upload and manage products easily.
  • Support varied product categories while preserving individual retailer identity.
  • Implement modern payment options, including financing through ClearPay.
  • Operate on a fair commission structure with no upfront fees.
A miniature shopping cart tethered by a heavy metal chain, symbolizing the business challenge of limited scalability, complex logistics, and difficulty in connecting small, independent high street shops to a broader audience.

The Solution

Wisitech developed a CS-Cart multivendor marketplace tailored for UK retailers, combining a flexible frontend, secure payments, and a scalable backend. 

Key features include personalized recommendations,
click-and-collect, local delivery, and a fair 15%
commission-only model.

  1. Developed a CS-Cart–based multivendor marketplace, tailored to the needs of independent UK retailers.
  2. Smarty templates powered the flexible frontend, styled with HTML5 and CSS3, enhanced by JavaScript for interactivity.
  3. MySQL offered stable data storage for products, sellers, and transactions.
  4. Integrated Adyen for secure, global payments and ClearPay to enable flexible “Buy Now, Pay Later” checkout.
  5. Implemented a commission-only revenue model, no listing fees, only 15% commission on sales, for fair platform access
  6. Enabled features like personalized recommendations, click-and-collect, and local delivery options
A hand reaching out to touch a glowing lightbulb emerging from a laptop screen, symbolizing the innovative digital solution and the breakthrough technology delivered for the marketplace.

Key Features

hand-touching-holographic-shopping-cart-key-feature
  1. Vendor Onboarding & Management
    Independent shop owners could easily register, list inventory, and manage orders.
  2. Wide Product Range
    Thousands of unique products, from fashion to toys, many exclusive to the platform
  3. Local Shopping Experience
    Personalized browsing based on user location to promote local retailers
  4. Flexible Checkout
    Integrated ClearPay for financing, plus traditional payment via Adyen.
  5. Fair Marketplace Economics
    15% commission-only policy, no joining fees, with optional premium integrations.
  6. Marketing Support
    Collective marketing campaigns (e.g., #THINKWHEREYOUSHOP), regional “E-town” promotions, and TV exposure drove visibility

Consulting Services

In addition to building the corporate website, Wisitech offered:

  • Business Consulting
    Defined commission strategy, marketing campaigns (e.g., shopper awareness drives), and seller support frameworks.
  • Business Analysis
    Streamlined merchant onboarding workflows, product category structuring, and checkout process mapping for optimal seller and customer experience.
Two professionals intently reviewing data and discussing a project on a laptop, symbolizing business and IT consulting for the multi-vendor e-commerce platform.

Results & Impact

What We Delivered

  • Empowered independent retailers with an accessible, centralized online presence.
  • Over 400% sales growth by year two.
  • Substantial product variety – over 100,000 unique items, many exclusive to independent shops.

Impact & Value

  • The platform reconnected communities with local retailers, reinforcing the high-street economy and fostering shopper loyalty
  • A blend of the marketplace convenience and personal touch from local boutiques resonated with users
  • Some operational challenges emerged, including delivery and customer service frustrations

Ready to Build Your Local Marketplace?

Create a custom CS-Cart multivendor platform like Down Your High Street
that empowers local retailers and connects communities.

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See How Wisitech Can Accelerate Your Growth

  • Smarter Ecommerce with AI
    Boost sales with AI-driven personalization & automation
  • More Traffic. More Sales
    SEO, SMM & PPC strategies that 
deliver real results
  • Stunning UX/UI Designs
    User-first websites that turn visitors into loyal customers

Enterprise Package

$1,299–$1,499/mo

For shops doing $40K+/month or managing multiple brands

What You Get

  1. Product optimization: 100 per month
  2. New product listings: 30  per month
  3. Professional graphic design support
  4. Daily Etsy Ads optimization
  5. Trend + competitor gap analysis
  6. Annual promotions calendar
  7. Customer service workflow templates
  8. Policies optimization
  9. Senior Etsy specialist
  10. Email + monthly strategy call
  11. Custom reporting dashboards

Focus

Become the top shop in your niche with full-service support.

Perfect for

High-volume shops aiming to dominate their category.

Scale Package

$899/mo

For shops doing $25K–40K/month

What You Get

  • Product optimization: 60 per month
  • New product listings: 20 per month
  • All 13 tags + long-tail + seasonal strategy
  • Weekly Etsy Ads optimization
  • Trend & niche analysis
  • Seasonal promotional campaigns
  • Shop branding recommendations
  • Conversion optimization suggestions
  • Star Seller optimization
  • Priority support (12-hour response)
  • Custom analytics dashboard

Focus

Aggressive scaling with SEO + ads + branding systems.

Perfect for

Fast-growing shops needing aggressive scaling systems.

Performance Package

$499/mo

For shops doing $15K–25K/month, ready for Etsy Ads

What You Get

  • Product optimization: 40 per month
  • New product listings: 12  per month
  • All 13 tags optimized (full keyword universe)
  • Etsy Ads setup + basic monthly management
  • Competitor keyword mapping
  • Seasonal keyword strategy
  • Monthly A/B testing (titles/images/descriptions)
  • Customer messaging templates
  • Review workflow
  • Star Seller support
  • Dedicated Etsy specialist
  • Full performance report

Focus

Increase sales and optimize Etsy Ads profitably.

Perfect for

Shops with product–market fit that want predictable scaling.

Grow Package

$299/mo

For shops doing $5K–15K/month

What You Get

  1. Product optimization: 20 per month
  2. New product listings: 6  per month
  3. 10–12 tags per listing (deep keyword research)
  4. SEO storytelling descriptions
  5. Basic competitor analysis
  6. Review request strategy
  7. Sales & coupon strategy
  8. Monthly analytics report
  9. Email support

Focus

Improve ranking, boost traffic, grow sales consistently.

Perfect for

Sellers who want higher rankings + consistent sales growth.

Launch Package

$149/mo

For new shops or sellers under $5K/month

What You Get

  1. Product optimization: 8 per month
  2. New product listings: 2  per month
  3. SEO titles & descriptions
  4. 6–8 tags per listing (basic keyword research)
  5. Shop setup or cleanup
  6. Monthly analytics summary
  7. Email support (24-hour response)

Focus

Build visibility, strengthen your shop structure, and get your first stable sales.

Perfect for

Shops that need a clean foundation and reliable early sales.

Enterprise Package

$1,499/mo

For large brands needing end-to-end management across ASINs, marketplaces, ads, creative, and operations.

What You Get

Everything in Scale, plus:

  1. Product optimization: 60+ per month
  2. New product listings: 30+  per month
  3. Full keyword universe + market share tracking + retail analytics
  4. Unlimited A+ Content Design
  5. Ongoing brand protection support
  6. Full Creative Production:
    • Photo editing & enhancement
    • Lifestyle image creation
    • Custom infographics & feature cards
    • A+ Premium content (for eligible brands)
  7. Enterprise-Level PPC:
    • Sponsored Products, Sponsored Brands, Sponsored Display, Amazon DSP
    • Custom ad spend management (no monthly limit)
    • Advanced audience targeting & retargeting
    • Multi-marketplace ad coordination
  8. Complete Operations Management:
    • Returns & payment reconciliation
    • Shipment reconciliation + reimbursement claims
    • Inventory risk alerts + demand forecasting
    • Multi-warehouse FBA strategy
  9. CMO-level weekly strategy reviews
  10. Launch strategy for new SKUs
  11. Brand positioning strategy
  12. Product line expansion consulting
  13. Comprehensive retail analytics + market share reports
  14. Multi-market pricing optimization

Focus

Own your category and dominate across marketplaces.

Perfect for

Brands with $150K+/month revenue, 50+ ASINs, or multi-marketplace operations (US, CA, UK, EU).

Scale Package

$999/mo

For fast-growing sellers who need advanced PPC, inventory planning, and full operations support.

What You Get

Everything in Performance, plus:

  1. Product optimization: 40 per month
  2. New product listings: 20  per month
  3. Advanced keyword research (full universe) + keyword clustering
  4. A+ Content design for 4 listings/month included
  5. Amazon Account Setup included
  6. Brand Registry Support included
  7. Advanced PPC Management (SP, SB, SD)
  8. Ad spend management up to $15K/month
  9. Advanced bid strategies + placement optimization
  10. Sponsored Display retargeting campaigns
  11. Dedicated Amazon Marketing Specialist
  12. Inventory planning + FBA restock recommendations
  13. Buy Box monitoring + competitive pricing strategy
  14. Expanded operations (returns management, restock alerts, suppressed listings)
  15. Review & feedback request campaigns
  16. Buyer-seller communication management
  17. Bi-weekly strategy calls + competitor analysis
  18. Account health risk reporting

Focus

Aggressive scaling with controlled costs and operational excellence.

Perfect for

Sellers with $75-150K/month revenue who need a full-service partner to manage growth.

Performance Package

$599/mo

For brands ready to scale profitably with Amazon PPC and operational support.

What You Get

Everything in Grow, plus:

  1. Product optimization: 20 per month
  2. New product listings: 10  per month
  3. Full keyword research (full keyword universe) + competitor gap analysis
  4. A+ Content SEO optimization (add-on available)
  5. Full Amazon PPC Management (Sponsored Products, Sponsored Brands, Sponsored Display)
  6. Ad spend management up to $5K/month
  7. Bid optimization + negative keyword management
  8. Promotions & Lightning Deals setup
  9. Day-to-day account operations
  10. Performance monitoring + case management
  11. Pricing strategy support
  12. Monthly PPC + growth strategy call

Focus

Profitably increase sales while improving TACoS and maintaining healthy margins.

Perfect for

Sellers with $30-75K/month revenue who have product-market fit and want to scale with paid traffic.

Grow Package

$399/mo

For early brands that want better rankings and consistent sales growth.

What You Get

Everything in Launch, plus:

  1. Product optimization: 10 per month
  2. New product listings: 5 per month
  3. Deep keyword research (deep keyword set) + long-tail variants
  4. Seasonal keyword optimization
  5. Listing health monitoring
  6. Monthly strategy call

Focus

Improve search visibility, strengthen conversions, build sales momentum.

Perfect for

Sellers with $10-30K/month revenue who aren't ready for PPC but want stronger organic performance.

Launch Package

$199/mo

For new sellers who need strong listings and organic visibility before investing in ads

What You Get

  1. Product optimization: 3 per month
  2. New product listings: 2 per month
  3. Keyword research (core keyword set)
  4. Title, bullet points, description, and backend search terms
  5. Category optimization
  6. Amazon Performance Insights Report

Focus

Get your first orders and build review momentum organically.

Perfect for

Sellers with 0-$10K/month revenue who need to establish their Amazon presence.

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helped 250+ companies scale.

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