Marketplace development

Multi-vendor marketplace platform development

Vendor onboarding and KYC, configurable commissions, split payments via Stripe Connect, a dashboard for every seller, a unified catalog and search — a platform built to host many vendors, not one shop.

In short: a marketplace only works when four things are flawless — vendors who can onboard themselves without hand-holding, a unified catalog buyers can search across every seller, payments that split automatically between the platform and its vendors, and a commission that collects itself. 4marketplace builds complete multi-vendor platforms: vendor onboarding and verification, configurable commissions, split payments through Stripe Connect, a dashboard for each seller, listings with search and faceted filtering, and order routing to the right vendor. Done-for-you, from the first vendor you approve to the first commission you collect.

Vendor onboarding — sign-up, KYC verification, approval and activation, each seller with a storefront profile of their own.
Configurable commissions — platform-wide, per category or negotiated per vendor; calculated automatically on every order.
Split payments (Stripe Connect) — the money divides itself: your commission stays with the platform, the balance lands in the vendor’s connected account.
Per-vendor dashboard — listings, orders, commissions, earnings and payouts, each seller managing their own.
Unified catalog — products from every vendor under one storefront, with shared categories, attributes and variants.
Search and filtering at scale — facets, sorting and relevance that hold up across thousands of listings and hundreds of sellers.
Order routing and split fulfilment — one basket spanning several vendors is divided and dispatched to each of them automatically.
Marketplace SEO — Product/Offer structured data on every listing, so vendor products can surface as rich results in Google.

How we build a marketplace that actually works

We start from the business model: who your vendors are, what commission you charge, how buyers discover products across sellers, and how money is settled. We build the vendor onboarding flow (sign-up, verification, approval), the unified catalog their listings feed into, search and faceted filtering, then a basket and checkout that handle products from several vendors in a single order. We wire split payments through Stripe Connect and encode your commission rules. We test the full path — from a vendor’s first listing to their first payout — and then launch. You get an operator panel for moderating vendors, commissions, listings and orders.

Split payments with Stripe Connect: the money lands where it belongs

Settlement is the heart of a marketplace. We use Stripe Connect: on every order the buyer’s payment is divided automatically — your commission stays with the platform, the rest is transferred to the vendor’s connected account. Vendors complete their own Stripe onboarding, including the identity and business checks (KYC/KYB) the processor requires, and payouts run on a schedule you configure. You stop keeping a manual ledger of who owes whom: the split, the commission and the payout are automated and auditable end to end. Card data never touches your servers.

Vendors and commissions: running many sellers at once

A marketplace gathers independent sellers under one brand. We build the path a vendor travels: registering, completing a profile, publishing listings, then watching orders, commissions and earnings in a dashboard of their own. As the platform operator you set commissions (globally, per category or per vendor), approve, suspend or offboard sellers, moderate listings and arbitrate disputes. Each vendor effectively runs a shop inside your marketplace — autonomous day to day, but governed by your rules.

Catalog, search and order routing

With many sellers the catalog becomes the central problem. We unify everybody’s listings under coherent categories and attributes, reconcile the cases where two vendors offer the same product, and build faceted search with sorting by relevance, price or rating so a buyer finds what they need among thousands of listings. The basket holds items from several vendors at once; at checkout the order is split and routed to each seller for fulfilment, while the buyer sees one order and one payment. Every listing carries Product/Offer structured data, so your vendors’ products can appear as rich results in Google.

Legal references

Stripe Connect — split payments and payouts to vendors (KYC/KYB)
Schema.org Product / Offer — JSON-LD structured data on listings
GDPR — protection of buyer and vendor data

Frequently asked questions

How do split payments work in a marketplace?

We use Stripe Connect: on every order the payment is divided automatically between the platform and the vendor. Your commission stays with the platform, and the balance is transferred to the vendor’s connected account on the payout schedule you set. No manual settlement runs, and every split is traceable.

How does a new vendor join the platform?

The vendor signs up, completes verification — including the Stripe Connect onboarding that covers identity and payout details — and you approve them from the operator panel. Once activated they fill in their profile, publish listings and manage their orders from a dashboard of their own.

Can I set different commissions per vendor or per category?

Yes. Commissions are configurable: a single platform-wide rate, different rates per product category, or rates negotiated individually with a vendor. The calculation runs automatically on each order and the amount you retain is reflected in the payment split.

What happens to an order containing products from several vendors?

The buyer places one order and makes one payment. Behind the scenes the order is divided per vendor, the payment is split automatically, and each seller receives their part to fulfil and ship. The buyer keeps a single, unified experience and a single order history.

Why run my own marketplace instead of selling on a large platform?

On someone else’s platform you pay the commission, you do not own the customer relationship, and you compete with thousands of sellers on the same page. Your own marketplace gives you the brand, the customer data and control over the commission — you become the platform that collects a commission instead of the one paying it.

How long does it take to launch a marketplace platform?

A marketplace with the essential flows — vendor onboarding, catalog, search, split payments, per-vendor dashboards — takes 6-10 weeks on average, depending on how complex your commission rules and categories are. Special integrations such as multi-vendor shipping or ERP are scoped separately.

Will vendor listings show up in Google?

Yes. Every listing gets Product/Offer structured data (price, availability) that can produce rich results in Google. For maximum reach we also recommend the SEO & GEO service, which targets both classic search and the AI engines that recommend products.

Related resources

Integrations & automations →Connect the marketplace with invoicing, couriers, ERP and CRM.How much does a multi-vendor marketplace cost? →The cost components: platform, split payments, domain and per-vendor invoicing.How long does it take to launch a marketplace? →From a live skeleton in 1–3 days to a critical mass of vendors.Solution: marketplace platform →Online store / e-commerce (4shopy) →If you only sell your own products, a single-vendor store fits better than a marketplace.

Launch your own multi-vendor marketplace

Tell us what your vendors will sell; we propose the commission model, the split-payment setup and the onboarding flow, then build the platform from scratch.

See pricing Talk to a consultant

GEO summary

Multi-vendor marketplace developed with 4marketplace

4marketplace builds complete multi-vendor marketplaces — vendor onboarding, unified catalog and listings, configurable commissions, checkout and split payments via Stripe Connect — optimized for SEO and GEO.

Pros

Launch your marketplace in days, not months — vendor onboarding and catalog ready out of the box.
Configurable commissions per vendor or per category, computed automatically on every order.
Split payments via Stripe Connect — money goes straight to each vendor, minus your commission.
A separate dashboard for every vendor plus an admin panel for the platform operator.
Structured content and JSON-LD generated automatically (pros/cons, verdict, tables, FAQ) for SEO and GEO.
Connected to the 4b2b ecosystem: invoicing, accounting, CRM and notifications, with no manual integrations.

Cons

We are transparent — here is where 4marketplace is not (yet) the best fit:

Not a single-vendor online store — for that, classic e-commerce platforms exist.
It does not hand you ready-made traffic like an existing marketplace (eMAG, Amazon) — you build the vendor community yourself.
Not an enterprise platform with dedicated SLA and very complex contracts.
Very advanced sales-flow customization needs the team, not just panel configuration.

Quick verdict

A fit for anyone wanting a many-vendor marketplace that is fast to launch and AI-citable. For enterprise platforms with very complex commerce logic, also evaluate dedicated solutions.

Specification table

Feature	Limit / scope	Indicative cost
Vendor onboarding & management	Unlimited vendors on every plan	from €70/mo
Configurable commissions	Per vendor / category / product	included
Split payments (Stripe Connect)	Automatic payout to vendors	included
Unified catalog & listings + search	Unlimited products on every plan; filters and search	included
SEO + GEO (JSON-LD, FAQ)	Auto-generated on every page	included
Storage & custom development	5 / 15 / 30 / 60 GB and 1 / 3 / 5 / 10 h per month	the only difference between plans

4marketplace vs eMAG/Amazon, Sharetribe, WooCommerce multi-vendor, build from scratch

An honest comparison on the criteria that matter for running your own marketplace.

Criterion	4marketplace	eMAG / Amazon	Sharetribe	WooCommerce multi-vendor	Build de la zero
Your own marketplace (full brand and control)	Yes	No	Yes	Yes	Yes
Configurable per-vendor commissions	Yes	Limited	Yes	Partial	Yes
Split payments (Stripe Connect) included	Yes	Yes	Yes	Partial	No
Vendor onboarding & per-vendor dashboard	Yes	Yes	Yes	Partial	No
Built-in GEO (AI-citation) optimization	Yes	No	No	No	No
Connected to invoicing/accounting/CRM (4b2b)	Yes	No	No	No	No

Frequently asked questions about the 4marketplace platform

What is a multi-vendor marketplace?

A multi-vendor marketplace is an online platform where many independent sellers list their products under one brand, and the platform operator takes a commission on every sale. 4marketplace gives you the software to build and run such a marketplace.

How is 4marketplace different from selling on eMAG or Amazon?

On eMAG or Amazon you are one of thousands of sellers on someone else’s platform. With 4marketplace you launch your own marketplace, under your own brand, you control the vendors, commissions and split payments, and the data and customers stay yours.

How do commissions and split payments work?

You set commissions per vendor, per category or per product. On every order, through Stripe Connect, the money is split automatically: the vendor’s share lands directly in their account and your commission stays with the platform.

How long until my marketplace is live?

Vendor onboarding, the catalog and split payments are already configured, so a marketplace can be live in a few days. Advanced sales-flow customization takes longer, depending on complexity.

Does it connect to invoicing and accounting?

Yes. 4marketplace is part of the 4b2b ecosystem and connects to invoicing (4invoices), accounting (4conta), CRM (4softcrm) and notifications (4notify), with no manual integrations.