Marketplaces have become an essential lever for accelerating the growth of an e-commerce site. But you need to structure your strategy to avoid the pitfalls of fragmented management and guarantee profitability.
Today, marketplaces are becoming essential pillars in the growth strategy of e-tailers. For small, medium and large e-commerce businesses, these channels represent much more than a simple sales channel: they open the way to rapid expansion, provided they are well prepared. According to the latest data, marketplaces account for over 30% of online product sales, confirming their central role in e-commerce growth strategies(Source: Dedi – Chiffres e-commerce 2025).
- Why integrate marketplaces into your sales strategy?
- How do you choose the right marketplaces for your business?
- Key steps for launching sales on marketplaces
- Logistics: the hidden pillar of marketplace success
- Common mistakes to avoid when starting out
This guide gives you all the keys to selling on marketplaces, structuring your omnichannel approach, avoiding common pitfalls and, above all, ensuring flawless logistics execution.
Why integrate marketplaces into your sales strategy?

Selling on a marketplace shouldn’t be seen as an additional burden, but as a means of accelerating your business, provided you integrate it intelligently into your overall strategy. It’s not simply a question of multiplying channels, but of synchronizing them to guarantee performance and profitability.
Immediate leverage for visibility and customer acquisition
Integrating an online marketplace gives e-tailers rapid access to a massive audience without excessive marketing investment. Platforms such as Amazon, Cdiscount and eBay attract millions of visitors every day.
By listing your products there, you instantly benefit from their notoriety and marketing firepower. It’s a strategic sales channel for generating sales quickly, especially in the early stages of an online store’s growth.
Test new markets, especially internationally
Marketplaces are also an ideal way to test foreign markets without deploying a complex infrastructure. Selling on Amazon or eBay makes it easy to target consumers in Germany, Spain or Italy, with logistics and translation partially taken care of.
This lever is essential in an omnichannel strategy aimed at maximizing sales opportunities while limiting risks.
How do you choose the right marketplaces for your business?
Not all marketplaces are created equal, and their selection must be aligned with your business objectives, margins and product positioning. Here are the main categories to consider.
General marketplaces
Generalist marketplaces are still essential if you want to excel on marketplaces. They attract a large audience and enable you to sell a wide variety of products. Amazon Seller Central, Cdiscount Pro or eBay vendeur pro offer powerful management tools, but require a high level of competitiveness.
These platforms impose strict rules on service quality, logistics and shipping speed. They are an excellent springboard for rapid sales growth, provided you meet the required standards and ensure impeccable logistical execution.
Specialized platforms
For certain sectors, specialized marketplaces such as sell on ManoMano (DIY, gardening) or Zalando (fashion) offer better targeting. Less saturated than the generalist giants, they make it easier to position yourself as an expert.
These channels are highly relevant for e-commerce sites wishing to expand into several segments. They also enable you to fine-tune your offer, your message and your customer experience to the expectations of a qualified audience, while reducing competitive pressure on prices.
Analyze costs: subscriptions and commissions
Each marketplace applies its own selling costs: monthly subscription, marketplace commission rate, logistics costs… It’s essential to calculate marketplace profitability before getting started. A good practice is to compare actual margins after deducting these costs, in order to prioritize the most profitable platforms.
This helps to avoid unpleasant surprises and to build a sustainable strategy in which each sales channel makes a real contribution to margin, not just volume.
Key steps for launching sales on marketplaces

Before publishing your first products, it’s essential to lay a solid foundation. The organization of your catalog, your pricing and the quality of your product sheets will have a direct impact on your performance.
Here are the essential elements to prepare before launching your sales:
- A structured product catalog with clear, well-categorized attributes
- Enriched product sheets, including titles, HD visuals and SEO-friendly descriptions
- A pricing policy in line with your market positioning
- Logistics processes ready to meet the deadlines imposed by marketplaces
- A flow management tool or OMS to centralize your sales
Structuring your catalog and optimizing product sheets
Structuring the product catalog is the starting point. To be successful, each optimized product file must be clear, complete and rich in keywords. This increases your visibility in the marketplace’s internal results. Feed aggregators and feed management solutions enable efficient publication and synchronization of product data.
A well-structured catalog also makes it easier to update stock and prices, while ensuring consistency between your e-commerce site and your various online marketplaces.
Win the Buy Box: price, reviews and quality of service
The buy box is the ultimate goal on Amazon and other platforms. It accounts for the bulk of sales. To get it, you need to be competitive on price, accumulate positive reviews and offer exemplary marketplace customer service. E-commerce logistics play a major role here, as shipping times and reliability strongly influence the ranking algorithm.
It’s a real challenge for day-to-day management, requiring a combination of e-commerce automation, operational responsiveness and excellence incustomer experience.
Logistics: the hidden pillar of marketplace success
This is often the blind spot in marketplace strategies, but also the real success factor. Reliable, fast and synchronized logistics determine your visibility and profitability.
Centralize inventory to avoid overselling
Publishing your products on several marketplaces without controlling your inventory carries a high risk of overselling. To avoid this, stock centralization is essential. An OMS solution like Shippingbo automatically synchronizes stock levels across all sales channels.
This not only guarantees greater commercial reliability, but also preserves your vendor reputation and limits losses due to cancellations or refunds.
Automate omnichannel order management
The accumulation of marketplaces must not multiply the operational burden. A good Order Management System (OMS) centralizes flows, automates order routing rules and guarantees smooth order management. It becomes the conductor of a coherent, scalable omnichannel strategy.
In this way, it enables us to move from small-scale management to a structured organization, capable of supporting growth without burdening internal processes or mobilizing additional resources.
| Process | Manual management | With WHO (e.g. Shippingbo) |
| Distribution of orders | Manual, source of errors | Automatic, according to rules |
| Stock updates | By file / export-import | In real time on all channels |
| Customer care | On request | Automatic notifications |
| Preparation time | Slow and fragmented | Optimized with logical scenarios |
| Risks | Occurrence, delays, errors | Drastically reduced |
Meet shipping deadlines and enhance the customer experience
Marketplaces impose strict SLAs (Service Level Agreements) on lead times. Delays can result in account suspension. Fast, reliable order dispatch is essential. So it’s crucial to rely on a tool that facilitates e-commerce delivery, manages carriers and optimizes costs, while ensuring a smooth customer experience.
Complying with these requirements not only helps you avoid platform sanctions, but also strengthens customer loyalty thanks to fast, predictable and smooth e-commerce delivery.
Common mistakes to avoid when starting out
Even the most seasoned merchants make mistakes when launching on marketplaces. Here are two pitfalls to avoid:
Neglecting stock synchronization between CMS and marketplaces
Many merchants integrate marketplaces without an intermediary solution. As a result, inventory synchronization is done manually or only partially, leading to errors, out-of-stock sales and lower seller scores. The use of a buffer stock or a high-performance OMS is an essential condition for reliability.
Without this automation, management quickly becomes time-consuming and risky, hampering growth and penalizing the omnichannel strategy in the long term.
Underestimating returns management and customer service
Marketplace customer service must be responsive, personalized and multi-channel. Similarly, returns management must be fluid to comply with platform policies. Anticipating these processes will help you maintain a high level of customer satisfaction, without impacting your visibility in product listings.
Rigorous follow-up at this level is essential to building a lasting relationship of trust with buyers and maximizing your chances of obtaining positive reviews and controlled return rates.
Your logistics are your best asset for selling on marketplaces
Selling on marketplaces is not simply a commercial extension: it’s a genuine structural transformation. From the centralization of your inventory to the fluidity of your logistics, every detail directly influences your sales, your margins, your vendor reputation and, ultimately, your profitability. Click here for our webinar on 5 reasons to sell on marketplaces.
To meet these challenges, Shippingbo offers you an all-in-one SaaS solution, OMS, WMS, TMS, which enables you to :
- Save time by automating your logistics processes and synchronizing inventory in real time.
- Reduce shipping errors, limit out-of-stock sales, optimize your transport costs and significantly improve customer satisfaction.
- Scale your omnichannel strategyby orchestrating all your flows from a single interface, whatever the diversity of your sales channels.
Would you like to structure your marketplace and international sales, while measuring your growth potential?
Test our free sales development simulator for marketplaces.
Answer a few questions and find out in less than 3 minutes how omnichannel can help your e-commerce business grow!
FAQ: everything you need to know before taking the plunge
They offer an immediate audience, reassure consumers thanks to their brand image, and make it easy to test international markets without any initial logistical investment.
The use of an OMS (Order Management System) is recommended to synchronize inventory in real time between your e-commerce site and all connected marketplaces.
Commissions generally vary between 5% and 20%, depending on the product category, and are often supplemented by a fixed monthly subscription fee.
Glossary: to find out more
Marketplace
Digital platform that connects third-party sellers with buyers, such as Amazon, Cdiscount or ManoMano.
Buy Box
Strategic location on a product sheet (especially on Amazon) that enables the selected seller to generate the majority of sales.
OMS (Order Management System)
Software that centralizes order management and synchronizes inventory across all your sales channels.
WMS (Warehouse Management System)
Warehouse management tool to optimize order storage, preparation and dispatch.
TMS (Transport Management System)
Solution for managing and automating shipments, carrier selection and parcel tracking.
Overselling
When a product is sold out of stock, causing cancellations, refunds and customer dissatisfaction.
SLA (Service Level Agreement)
Contractual commitment to service levels, including processing and shipping times for marketplaces.
Feed aggregator
A tool that automatically distributes a product catalog across multiple sales channels (marketplaces, comparators, etc.).
Omnichannel strategy
A sales approach that involves selling across multiple channels (website, marketplaces, social networks) in a coordinated, unified way.
Buffer stock
Quantity of stock set aside to anticipate discrepancies between actual orders and available stock, in order to avoid shortages.

