Multi-vendor marketplace development.
Marketplaces are not shops with extra users. The money flow is the hard part.
A marketplace looks like a store from the front and is a payments platform underneath. You are not just taking money — you are taking it on behalf of someone else, holding it, taking a cut, paying out on a schedule, and handling what happens when a buyer disputes a transaction after the seller has already been paid. Getting that wrong is expensive in a way that a normal store bug is not.
What’s included
- Seller onboarding, verification and approval workflow
- Vendor dashboards for products, orders and earnings
- Commission models: percentage, flat, tiered or per-category
- Split payments and scheduled payouts
- Order routing and multi-vendor cart handling
- Ratings, reviews and moderation tooling
- Dispute, refund and chargeback handling across parties
What is a multi-vendor marketplace?
A multi-vendor marketplace is a single online store where many independent sellers list and sell their own products or services, and the platform owner takes a commission on each sale. Think of Etsy, Amazon Marketplace or a niche B2B platform for one industry. Buyers check out once; behind the scenes the platform routes each part of the order to the right seller, collects the payment, keeps its fee and pays each seller their share.
What software do you need to launch a multi-vendor marketplace with seller onboarding?
There are three realistic routes, and the right one depends on how unusual your marketplace is:
- Hosted marketplace platforms (for example Sharetribe or CS-Cart Multi-Vendor): fastest to launch and good for validating an idea, but you work within their data model, fees and checkout.
- WooCommerce or Shopify plus a marketplace plugin/app (such as Dokan or WCFM for WooCommerce): cheaper than custom and flexible for standard product marketplaces, but heavy customisation of payouts, commissions or onboarding gets fragile quickly.
- A custom-built platform: the right choice when your commission rules, seller verification, booking or fulfilment logic don’t fit a template, or when the marketplace itself is the product you’re building a business on.
Whichever route you take, every marketplace needs the same core pieces: seller sign-up and verification (KYC), product or service listings per seller, a shared cart and checkout, a commission engine, split payments and payouts, order routing, reviews, and a way to handle refunds and disputes. If you’re unsure which route fits, the £350 written diagnostic is a good place to start.
Split payments for multi-vendor marketplaces
Split payments are how one customer payment is divided between several sellers and the platform. Doing this through a payment provider built for platforms is almost always better than collecting everything into your own account and paying sellers manually, which can make you responsible for holding other people’s money.
- Stripe Connect is the most common choice. Sellers onboard through Stripe (Express accounts are the usual middle ground), Stripe handles their identity checks, and each charge can send the seller’s share to their account while your commission stays with the platform.
- Destination charges vs separate charges and transfers: one seller per order suits destination charges; a cart with several sellers usually needs separate charges and transfers so each seller gets the right amount.
- Payout timing and refunds: holding payouts for a few days after delivery leaves room for refunds and chargebacks without chasing sellers for money.
- Alternatives such as PayPal for marketplaces, Adyen for Platforms or Mangopay make sense in some regions or at larger volumes.
Availability and rules differ by country, so the provider choice comes before the build. More detail on the payments side is on the payment integration page.
The money flow decides your architecture
Do you collect payment and pay sellers later, or split at the point of sale? The first makes you responsible for holding other people's money, which has real regulatory implications in most jurisdictions. The second is usually cleaner — Stripe Connect and similar exist precisely for this. That decision shapes everything else, so it comes first.
Multi-vendor carts
A buyer with items from three sellers creates one order that must become three fulfilments, three payouts, and potentially three shipping charges and three refund paths. Modelling that properly at the start avoids a great deal of pain later, particularly around partial refunds.
Cold start
The hardest problem is not technical. A marketplace with no sellers has nothing for buyers, and with no buyers it cannot attract sellers. Worth having a plan for that before commissioning the build — and it may mean the first version should be narrower than you imagine.
Common questions
What is a multi-vendor marketplace?
A single online store where many independent sellers list their own products or services and the platform takes a commission on each sale. The platform handles checkout, routes each part of the order to the right seller and pays each seller their share.
What software do I need to launch a multi-vendor marketplace?
Either a hosted marketplace platform, WooCommerce or Shopify with a marketplace plugin, or a custom build. All of them need seller onboarding and verification, a commission engine, split payments and payouts, order routing and dispute handling. Custom makes sense when your rules don’t fit a template.
How do split payments work in a marketplace?
A platform payment provider such as Stripe Connect divides each customer payment between the sellers and your platform commission, handles seller identity checks and pays sellers on a schedule, so you never hold sellers’ money yourself.
How long does a marketplace take?
A focused first version is typically three to four months. The variables are the payment model, how much vendor self-service you need, and the fulfilment complexity.
How are payouts handled?
Usually via Stripe Connect or a similar provider that is built for platform payments and handles seller onboarding and compliance. I will advise on the options for your jurisdiction.
Can we start with a simpler version?
Yes, and usually you should. Manual seller onboarding and manual payouts are entirely workable for the first dozen sellers, and they teach you what to automate.
What about VAT and marketplace tax rules?
Marketplace facilitator rules vary by country and can make the platform liable for tax collection. I build to whatever your accountant advises — I do not give tax advice.
Have a project in mind?
Send a short written brief — what you’re building and roughly when. No call required; I reply in writing within one working day.