Design and development of an online marketplace

Created for ACME Corp. by

In New York on January 6, 2020
Valid until July 2, 2020
Version 1


Over the past few weeks, we have been working with you to define the website you need. Launching a marketplace of products and services is a complex and challenging task, but after our meetings and all the feedback you gave us, we have a complete picture of the scope of our work and how soon we can complete it for you.

Understandably, there are a few things about website creation that people take for granted today, but we’ll explain them in this section so that everything is clear.

  • Your website will be multi-device; that is, it will be viewable on smartphones, tablets and PCs. In addition, we’ll make it accessible to as many people as possible, that is, our work will take disabled users into account.

  • The design will be based on market trends.

  • We won’t start the development phase until the final design is approved. Don’t worry, we’ll show you all the important displays (and the less important ones too).
  • Obviously, we’ll make sure it’s ready for scalability and a potential mobile app.

We have experience creating fast, easy-to-read websites, perfectly tailored for today’s browsing habits. Regarding your project, we are no strangers to marketplace creation, and we look forward to bringing it to life.

How we’ll achieve it

A good website is not only beautiful. It must also meet certain technical and usability criteria that could initially go unnoticed. And, of course, it needs to run smoothly and adapt to our client’s usual workflow, never the other way around.

We propose the following steps to get your marketplace up and running:

1. Research

If you want to do things right, you can’t put the cart before the horse. Therefore, our first job has to be research: we’ll determine what you want, who your main competitors are, what your target markets are and what the trends outside of Spain are. Whatever factors help us achieve our goals.

2. Prototyping

During this phase, we’ll agilely design the sketches or wireframes with the basic concepts of the website. Our goal with this phase is to show you where each feature will go and the potential structure of the marketplace. We’ll also aim to speed up the design phase, because by having the elements in place, it’s easier for the design team to get to work.

3. Design

Once these prototypes have been approved, the designers will shape the final design, creating the main browsing displays according to not only aesthetic criteria, but also usability criteria based on the conclusions we have drawn from the first phase.

In other words, we won’t position the buttons at random. In all cases, there will be reasons for our choice. Likewise, if the usability and design teams discover inconsistencies or potential problems, we can solve them at this stage.

4. Development

During this phase, we’ll develop the website. We’ll seek the best solution for our project among all the CMS currently available, one that also guarantees robustness, security and scalability in the future and in which we’ll integrate all the marketplace features:

  • User registration
  • Product registration
  • Service registration
  • Categorisations
  • Search controls
  • Systems for featured products
  • Payment gateways
  • Dashboard with usage statistics
  • Integrations with combined analytics and remarketing solutions (Tag Manager)
  • Documentation
  • Layout for 3 width breakpoints: mobile (480px), tablet (1024px), PC (1920px)
  • Loading and code optimisations
  • Cache system
  • CDN settings

5. Launch

We always view this as a phase in itself due to the fact that our systems team has to coordinate with yours. Launching the website is not just about making it operative and accessible to anyone. It also involves injections of traffic to test the performance of the servers, reboots, etc. In other words, we have to spend a few days testing the website to make sure it runs as expected.

And that way, we’ll test both the cache system and the CDN system’s load-bearing capacity.

We estimate that the website will be available by late November 2020, in time for Black Friday, provided that no issues arise during the development or launch stages.

Scope of project

We don’t view our projects as stand-alone; rather, we think of them as comprehensive and consider their future impact on the company that hires us. We create unique experiences with our clients.


All the sections you read above are included in this project. We’ll also treat you to lots of coffee and croissants.

And a one-year warranty to resolve any faults in the programming for the project.

Not included

  • Unspecified custom developments that are not necessary for the website to function.
  • Unspecified content creation.
  • Photographs and videos.
  • Hosting and domains.
  • Website maintenance after the delivery of the project (you’ll receive a separate price quote for this once it has been launched)


If you have any questions about the services we have proposed, don’t hesitate to contact us at any time.

Project analysis phase (includes meeting with the client) 1  3,163.64  3,163.64
Prototyping and web design phase 1  5,866.67  5,866.67
Implementation phase 1  27,678.57  27,678.57
Launch 1  1,979.17  1,979.17

TOTAL: $ 38,688.05

Our team

These are the people who will oversee your project.


Alina Porter
Project manager


Oscar McKenzie
Senior engineer


Carla Lopez
Senior designer

Terms and conditions

This part is important, so... please read it carefully!

Guidelines to follow

  • The team is available to start working in October 2020.

  • The project starts as soon as we receive your invoice payment marked “Start marketplace project ACME Corp.”.

  • When our work begins, we’ll create a definitive, detailed calendar with the actions to be performed and their estimated date of completion.

  • Delays in the provision of information and materials requested of the client will result in a delay in the project of at least the same duration (depending on the team’s workload).

  • Possible causes of delay not attributable to are as follows:

    • New and unplanned versions of the CMS to use.
    • Potential vulnerabilities detected in the code that require finding alternative solutions to those proposed.
    • Accesses to the definitive hosting being made available to our systems team.
    • Shutdown of proposed services.

Payment terms

Before the project starts, payment of 50% of the amount shall be made by transfer on the invoice date. Upon delivery of the first final version of the website, 25% of the amount shall be paid by transfer within 30 days of the invoice date. After the loading tests and resolution of any production issues, the remaining 25% shall be due within 30 days of the invoice date.


Let’s keep in touch :-)