Creating a marketplace: steps to follow and mistakes to avoid

Mélanie

En charge des projets marketing chez WAYDEN, je suis passionnée par les sujets de management de transition, gestion de projets, marketing automation, community management, et de stratégie marketing.

Article mis à jour le 3 August 2026

A complex and ambitious project, the creation of a marketplace involves multiple stakeholders and raises very specific challenges. To manage this project serenely and promote its success, WAYDEN offers you an overview of the main steps to follow and the mistakes to avoid when creating your marketplace.

 

What is a marketplace?

A marketplace is a type of e-commerce platform that facilitates the sale of products or services online. It serves as an intermediary between sellers, who display their items, and buyers. Some of the most well-known examples of marketplaces include Amazon, Etsy and Airbnb, each of which caters to specific niches and needs.

There are several types of marketplaces:

  • B2B (Business-to-Business) marketplaces: these connect companies with each other, allowing them to supply each other with products or services.

  • B2C (Business-to-Consumer) marketplaces: they connect companies directly with end consumers, offering products or services directly to individuals.

  • C2C (Consumer-to-Consumer) marketplaces: these commercial platforms allow individuals to sell or exchange goods and services with each other, through an interface that manages transactions and facilitates communication.

 

Creating a marketplace: what are the challenges?

The creation of a marketplace is a large-scale project that comes with multiple challenges, including:

  • Responding to technical challenges: The launch of a marketplace requires above all the creation of a secure, functional, ergonomic and efficient e-commerce platform. The latter must run smoothly and guarantee secure exchanges for all stakeholders. However, the implementation of a marketplace can come up against several technical challenges, such as the scalability of the interface, the integration of multiple secure payment systems, or the compatibility of the site with different media and browsers…
  • Ensure regulatory compliance of the platform: Ensuring the regulatory compliance of your sales platform is an essential prerequisite for its launch. The legal constraints of a marketplace project include the laws surrounding the e-commerce, the standards on the security of bank payment data (PCI DSS), but also the General Data Protection Regulation (GDPR), which regulates the collection and storage of users’ personal data.
  • Attract enough traffic: attracting enough traffic to your e-commerce site is essential to its success, which is why it is necessary to establish a targeted marketing and communication strategy to maximize visibility with customers
  • Retain marketplace users: Retaining marketplace users is imperative to ensure the profitability of the online sales service. To do this, the platform must offer a Qualitative customer experience, secure browsing, but also responsive and efficient customer service. Setting up a Continuous improvement and meeting the changing needs of users is also essential to ensure customer loyalty in a sustainable way.
  • Remain competitive: To maintain a competitive advantage over emerging players, marketplaces must continuously innovate, adopt targeted marketing strategies, and innovate with an offering that stands out from the competition.

 

How to create a marketplace? Steps to follow

Any project to create a marketplace must be broken down into several key steps:

1- Carry out market research

The first step in a marketplace project is to carry out an in-depth analysis of the market, in order to identify the needs and preferences of the target audience, study the competition, attest to the feasibility of the project and adapt its offer accordingly.

2- Define your business model

The business model defines how the company generates revenue and makes profits. For a marketplace, this includes choose between B2B, B2C, or C2C models. Each option has its own specificities, and this choice has a direct influence on the success of the project.

3- Establish a provisional budget

Defining a budget thought out beforehand is another essential step in bringing the marketplace creation project to life, to optimize its financial management and to confirm its viability.

4- Design your sales platform

The design of a marketplace imperatively involves the development of an intuitive interface, with features adapted to the needs of users (personal space, product catalogues, secure payment systems, etc.). The objective is to offer a Optimal user experience (UX ), seamless, and which guarantees the security of transactions.

5- Launch a test version of the sales platform

The commissioning of a test version, or Minimum Viable Product (MVP), of the marketplace allows you to quickly launch your platform, test it on the market, and evaluate its success with the public. This pre-launch allows Collect valuable feedback to optimize the final version of the site.

6- Set up a marketing strategy

Developing a targeted marketing strategy is essential to attract both buyers and sellers to the e-commerce site. This step plays a decisive role in achieving the site’s profitability objectives. Several levers can be activated in the communication strategy (natural referencing – SEO; paid referencing – SEA; inbound marketing strategy – blog articles, publications on social networks, etc.)

7- Ensure the continuous improvement of the sales platform

After the launch of the marketplace, it is essential to identify key performance indicators (KPIs), in order to analyze the strengths, weaknesses and areas for improvement, and then to adjust the strategies put in place during a continuous improvement process. This process evaluates the performance of the platform, collects user feedback, and identifies improvements to be made to improve the performance of the platform. Optimize overall performance and maintain competitive advantage.

 

Mistakes to avoid when creating a marketplace

Here are some examples of mistakes to avoid when designing a marketplace, to ensure its successful launch and sustainability:

  • Neglecting to conduct market research : Understanding user needs and the industry-specific competitive landscape is essential to effectively position yourself in the market.

  • Underestimating the technical aspects of the project : Ignoring the platform’s security and stability needs can compromise the site’s functionality and erode user trust.

  • Deploy an inadequate marketing strategy : developing a targeted and relevant marketing strategy is fundamental to effectively reach your target audience and maximize buyer and seller engagement.

  • Ignoring user feedback : Not taking user feedback into account when improving the platform can significantly decrease customer satisfaction and impact the competitiveness and profitability of the marketplace.

 

Would you like to be supported in the creation of your marketplace?

At WAYDEN, we offer you the support of a highly qualified interim manager, an expert in the e-commerce sector, to facilitate the success of your project, anticipate risks and prevent errors.

With in-depth sector expertise, unparalleled interpersonal skills (leadership, interpersonal skills, dynamism, audacity, etc.) and 15 to 25 years of professional experience, he or she is there to help you meet all the challenges related to the implementation of a marketplace creation project, from its launch to the optimization of its profitability.


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