Integrated Account Management in Marketplaces
Your brand, on the marketplaces that matter. We make it possible.
Do you want to sell on Amazon, El Corte Inglés, Decathlon, or Miravia but don’t know where to start?
At 3 Line Retail Strategy, we are specialized in marketplace account management. We help brands and retailers scale their online presence on the main digital sales channels, with a special focus on the fashion and leisure sectors. From strategy to daily operations, we manage the entire lifecycle of your brand across more than 50 marketplaces, including:
Why Choose 3 Line Strategy?
- We unify your e-commerce strategy with your physical store, website, and marketplace presence.
We understand the dynamics and trends of your sector.
We work with clear KPIs: conversion, margin, revenue, visibility, and customer lifetime value.
We integrate with your ERP, CMS, or logistics systems for smooth operations.
- We work as an extension of your team.
new markets
We can develop the perfect growth strategy for your business and brand to grow through marketplace sales. We focus on presenting, integrating, optimizing, and positioning your catalog to achieve the best possible results.
Omnichannel platforms
Publish your products in all Marketplaces and countries with an integration
Selected stock and price
You decide what stock you make available for each market.
Unified order management
Manage all your orders from a single platform or directly from your back office.
What Do We Do?
Personalised Marketplace Strategy
We work with you to define the ideal business model for your brand. We assess the best marketplaces for your category, product, and target country, and create the perfect growth strategy to drive your marketplace sales.
Account Registration and Setup
We can manage and support the complete process of opening marketplace accounts, including verifications, compliance, and business identity validation.
Comprehensive Catalogue Management
We optimise your catalogue with SEO product listings, high-quality images, persuasive copy, and enriched content (A+ Content, Brand Stores, etc.). You decide what inventory to offer on each marketplace.
Listing Optimisation & Positioning
We apply advanced marketplace SEO techniques to boost your product visibility, increase traffic, and maximise conversions. We use tools like Channable and Lengow to automate feeds and keep your catalogue updated across all channels.
Logistics & Shipping Management
We help you build an efficient logistics setup tailored to the marketplace channel. Manage all your orders from a single platform or directly from your back office. We coordinate the flow of information between your warehouse, the marketplaces, and your logistics provider.
Customer Service & Reputation Management
We handle reviews, incidents, and messages. We protect your brand’s reputation on marketplaces — a key factor for conversions and long-term growth.
Which Marketplaces Do We Manage?
General:
Amazon, El Corte Inglés, Carrefour, Miravia, Aliexpress, eBay, etc.
Specialised:
Decathlon, Zalando, PCComponentes, AboutYou, etc
International:
Cdiscount, Inno, Otto, Galerie Lafayette, Bol.com, La Redoute, etc
Who Is This Service For?
Fashion brands looking to open new digital sales channels while maintaining control of their brand image.
Leisure retailers who want to scale in Amazon, El Corte Inglés, or Decathlon without overloading their internal teams
Traditional companies aiming to digitise their B2C channel and take advantage of marketplace momentum.
How Do We Work?
Choose one of the Models That Suits You Best
Your Digital Franchise
We become your outsourced digital team — we only win if you win. We manage the commercial operations in marketplaces and share the risk with you. Ideal for brands that want to grow without internal resources.
Your External Marketplaces Department
We act as an extension of your team, always defending your interests. We introduce you directly to marketplaces, negotiate agreements, implement your brand, and support you in every growth stage.
Take the First Step Toward Online Growth
Write to us and book a meeting.
We’ll help you choose the model that fits your business best — and provide a free initial audit.
The opportunity is in the marketplaces. We know how to get you there.
👉 Contact us today and grow your brand on marketplaces.