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High Traffic Marketplace(CS-Cart Multi-Vendor + JAMstack)

Build a marketplace with our team. Using the CS-Cart Multivendor CMS and an innovative JamStack approach, we provide you with an innovative marketplace website.

Want to invest money in fast and scalable marketplaces and beat the online competitors?

What is a Multi-Vendor Marketplace?

multivendor marketplace

A multi-vendor marketplace is an online platform that connects multiple independent sellers, also known as vendors, with potential buyers.

Unlike a traditional e-commerce store where the business owns and sells its products, a multi-vendor marketplace allows various sellers to list and sell their products or services on a shared platform. The marketplace operator facilitates transactions, handles logistics, and often provides additional services such as marketing and customer support.

CS-Cart MultiVendor Marketplace

Alt-team developers usually build online marketplaces for clients on the CS-Cart CMS.

CS-Cart MultiVendor is an e-commerce platform that empowers entrepreneurs to create online marketplaces with multiple vendors. Think of it as your digital mall, where various sellers can offer their products under one roof. It's versatile, scalable, and designed to meet the unique needs of both administrators and vendors.

What types of marketplaces we do


It is a business model where companies sell their products directly to customers.

Case in our portfolio: Romanian marketplace

MultiVendor Marketplace

C2B is a model where consumers deliver value to a business rather than vice versa, as in a B2C model.

Examples: referral programs, paid testimonials

Fiverr marketplace


B2B marketplace is a digital platform that enables companies to connect with other organizations and conduct business all in one place. Like a traditional B2C platform, B2B Marketplaces are where companies buy and sell products, usually in bulk.

Case in our portfolio: Industrial Marketplace


C2C, or customer-to-customer, is a business strategy that makes it easier for customers to exchange goods or services. The business concept that promotes commerce between private individuals is known as "consumer to consumer," or C2C.

Case in our portfolio: handmade products shop

B2B&B2C in one

The marketplace is where two models come together, allowing businesses to concurrently sell services and goods to both customers and other businesses.

Marketplace vs. Multi-Vendor: Understanding the Difference

While the terms "marketplace" and "multi-vendor" are sometimes used interchangeably, there is a subtle distinction between the two.


A marketplace refers to a broader concept where multiple sellers can offer their products or services. It can include both single-vendor and multi-vendor models. Examples of marketplaces include Amazon, eBay, and Alibaba.


A multi-vendor marketplace specifically refers to a platform where multiple independent sellers operate and sell their products or services. In a multi-vendor marketplace, sellers manage their inventories, handle shipping, and maintain their individual stores within the overarching marketplace structure.

Advantages of JamStack + CS-Cart Multi-Vendor

Alt-team develops marketplaces using the most innovative approach: CS-Cart Multi-Vendor + JamStack architecture

Icon powerfull

We use a feature-rich marketplace CMS by CS-Cart called MultiVendor. There are 500+ functionalities that give you the ability to build an ambitious resource for b2b and b2c online trade.

Get more info about CS-Cart Multi-Vendor.

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We use JamStack to prevent the overloading of the marketplace. MultiVendor CMS can withstand some strain, but with JamStack, you can be certain that your marketplace will not crash during one of the sale periods.

Your storefront will work on the fly.


JAMstack is a serverless architecture. It scales automatically as your usage or user base grows, allowing you to scale your app or site with ease. It saves your budget in the future as you don’t need to use an extra database for your mobile app, or web app for your marketplace website.

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The weak point of any monolithic solution is security. JamStack technology allows for significantly reduced attack surfaces. Moreover, if we hide MultiVendor using the Cloudflare Zero Trust platform, your website can reach the Enterprise level of security.

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Having a powerful Rest API, CS-Cart Multi-Vendor CMS is easy to integrate with JamStack. This combination of two modern technologies works very well on high-traffic websites. CS-Cart MultiVendor is like the extra module or a part of the chain in this website architecture.


CS-Cart MultiVendor CMS is fully SEO-optimized, and there are almost no technical SEO issues in this CMS. But, there are SEO specialists in our team and they consult the developers on each step of their work. It gives us the guarantee that the websites that we build from scratch are really SEO-friendly.

Make your existing
Multivendor Fast

Continue work

You continue to work with your CSCart MultVendor as before. No need to change the CMS system.


We can offer to use the best services to replace some of the non-core functionality of MultiVendor (MailChimp, TrustPilot, etc).

New design

If you do not have a design, our designers will create a new storefront design for your project based on SEO analysis.


Our designers, front-end and back-end developers, and SEO experts collaborate. We create a JamStack storefront for your CS-Cart marketplace.

Improve SEO

Our SEO specialists will develop proposals for improving your marketplace, and together with programmers will implement these improvements

Increase PageSpeed

Page speed has a significant impact on your website's success because it can affect your search engine rankings, client satisfaction, and conversion rate. If your page loads slowly and clumsily, you might need a new website.

Run & Support

Whether you run a large corporation, a one-person show, or a tiny business, you must keep your website up to date. By doing so, you can communicate and establish connections with your website's target audience and potential visitors while also averting serious problems.

How Much Does a Multi-Vendor Marketplace Platform Cost?

The cost of building a multi-vendor marketplace platform can vary depending on various factors such as the desired features, customization requirements, scalability, and development approach. Generally, there are three main cost components to consider:

  1. Platform Development: The development cost involves creating the core functionality of the multi-vendor marketplace, including user registration, product listing, shopping cart, payment gateway integration, and administrative features. The complexity and scope of these features influence the development cost.

  2. Design and Customization: Designing an appealing and user-friendly interface is essential for a successful multi-vendor marketplace. Customization and branding elements also contribute to the overall cost. The more intricate and tailored the design, the higher the associated expenses.

  3. Maintenance and Support: After the initial development, ongoing maintenance, updates, and technical support are crucial to ensure the marketplace's smooth operation. It's advisable to budget for these recurring costs to maintain the platform's performance and security.

It's important to note that precise cost estimates require a detailed analysis of your specific requirements. It is recommended to consult with experienced development agencies or experts to get an accurate assessment based on your project's unique needs.

Want to get a really good experience working with our team?

Contact us today to discuss your project requirements and explore how we can assist you in transforming your e-commerce store into a thriving multi-vendor marketplace.

Best MultiVendor cases



MetalsNet Marketplace is made for the USA metal product trade.

The main features of MetalsNet website:

  • It's a marketplace

  • It works all over America

  • Simple and user-friendly web design

  • Extended quotation system

  • The final buyer gets several offers from the local metal distributors and selects the best offer.

What Alt-team did:

  • Web design development

  • SEO support

  • CS-Cart development

  • Advanced quotation system in back-end and front-end.

  • We designed 3 different types of checkouts with custom fields, functionality:

  1. A client creates the quote;

  2. A client agrees with the supplier's offer;

  3. A supplier accepts the client's quote.

Basil Sabbah

With alt-team we started to work from 2018. We have implemented several projects and with all we were very satisfied. Their team is professional and works very quickly and reliably. We are currently working on the implementation of two large projects and we will give them others projects that are planned. Services alt-team recommend!



It is dedicated to serving the angling community and this ecommerce website is devoted to providing the widest range of tackle at the cheapest prices from the best sellers in the UK. 

They are obsessed with tackle and customer experience, which has led this store to quickly become the largest dedicated online platform for tackle in the country.

Our tasks were:

David Oak

I can highly recommend Alt Team for any CS Cart development work, either front end design or backend functionality. They have been very transparent with the work and hours they have done and I wouldn't hesitate to use them again

E-commerce store


Werky is a German shop that sells handmade products made by physically challenged people. It's a great social project!

The owner of the Werky store provided us with the ready-to-use mockups.

Our tasks were:

  • to integrate the design mockups into the CS-Cart theme

  • to perform the website SEO audit

As dedicated CS-Cart developers, we worked on this project for several months, from the end of the 2019 year until the end of 2021 (roughly two years).

Our SEO specialist made a report about SEO tasks in January 2021.

Christoph Andrews

Alt-team is super reliable, fast quotations, delivers ontime. The communication is clear and goal-oriented. We very happy with this cooperation. Thanks!


Romanian marketplace

It's a marketplace where the Romanians can buy clothes, shoes, accessories.

The website is built with CS-Cart MultiVendor platform. 

  • Our best-in-class CS-Cart developers were employed for the work under Romanian marketplace — haineieftinesibune.

Mihaela Olteanu

I highly recommend Alt-team. Best CS-Cart developers ever! I worked with them for two custom addons and I'm very happy with the results. They gave me excellent support just when I needed it. Thank you for your good work.

Clients tell about us

Once again The Alt team provided great service for a problem I was experiencing in my store. I had a third party addon conflicting with a major addon The ALt team had done for me, I asked them to see if they could identify and fix, the did so, quickly efficiently and kept me informed all the way.

Well done and thanks

John Boland

Alt-team is super reliable, fast quotations, delivers ontime. The communication is clear and goal-oriented. We very happy with this cooperation. Thanks! 

Christoph Andrew

I highly recommend Alt-team.
Best CS-Cart developers ever!

I worked with them for two custom addons and I'm very happy with the results.
They gave me excellent support just when I needed it.

Thank you for your good work.


Thank you for taking care of this for me. I'm really pleased to have used your services and will continue to upgrade our site and use your team for many future projects.

Lazaro Alemany

Been working with alt-team for years now to help me with my website. They are nothing but excellent, always ensuring i was happy with the work they provided. They did a wonderful job on redesigning my website, with a very reasonable price as well! Will continue to work with them in the future!

Alexander Esmaili

I can highly recommend Alt Team for any CS Cart development work, either front end design or backend functionality.

They have been very transparent with the work and hours they have done and I wouldn't hesitate to use them again


Finally i'd like to say, it was a pleasure for me to cooperate with You, and Alt-Team. Many thanks. I'm quite sure that we'll be cooperate again soon.

Wojciech Werminski

We like very much, working with you guys, you are quick and for us it is very important! Good service and very positive attitude makes you guys great!
Allra Atta ( ) thanks you and we look forward working with you in near future


You can check these and another reviews on the CS-Cart MarketPlace site

CS-Cart marketplace reviews

Contact us

Our email is

Please, do not hesitate to contact us via e-mail or use the form below if you need a quote for your E-commerce project or have any questions about our products or services. We will be glad to answer you in a short time.