Multi-Vendor Marketplace DevelopmentWe build marketplaces
where many sellers
run their own shops.
A multi-vendor marketplace is many storefronts under one roof — each seller with their own products, dashboard, and payouts, all held together by a shared catalogue, split payments, and commission. We build the whole machine, as software you own, from running a multi-seller marketplace ourselves.
app.yourmarketplace.com
Live marketplace
Two-sided liquidity, one platform
Supply and demand, matched. Listings, search, payments, and trust — built to move volume.
Recent activity
NNew listinglive
BBroker onboardedverified
EEnquiry matchedsent
PPayment cleared£4,200
Platforms and marketplaces we have built and worked on
sellyourboat.iobusesforsale.comeuropeanyachtbrokers.comKompiPayLoopa
What we buildMany storefronts,
one coherent platform.
A multi-vendor marketplace is many sellers' shops plus the shared machinery that connects them. We build both sides.
01
Vendor storefronts
Each seller their own space: products, brand, and presence.
02
Vendor dashboards
Tools to manage products, orders, and payouts — what keeps sellers.
03
Split payments
One order across vendors, each paid their share minus commission.
04
Shared catalogue & cart
A unified store where a basket can span many vendors at once.
05
Owned by you
The full codebase and commission logic, no marketplace-SaaS lock-in.
A multi-vendor marketplace is many shops, not one store
The instinct is to think of a multi-vendor marketplace as a bigger online store. It is not — it is a platform of many independent stores, and that difference reshapes the whole build. A single store sells its own inventory; a multi-vendor marketplace hosts many sellers who each list their own products, manage their own orders, and get paid their own share. You are not building a shop. You are building the thing that lets many shops operate under one roof.
That means the product has two audiences at once: the customers browsing a unified catalogue, and the vendors running their individual businesses inside your platform. Each needs a genuinely different experience — a smooth shared shopping and checkout flow for buyers, and real management tooling for sellers. Building only the customer side and treating vendors as an afterthought is the classic multi-vendor mistake, because without good seller tooling, sellers do not stay, and without sellers, there is nothing to sell.
So we build both sides deliberately: the coherent, unified storefront customers experience, and the individual businesses vendors run behind it. It is closer to building Etsy than building a single Shopify store, and we build it that way.
The money machineOne order, many vendors, split correctly every time
The defining technical challenge of a multi-vendor marketplace is the money. A single customer basket can contain products from several different vendors, which means one payment has to be split — each vendor receiving their share, your platform taking its commission, and every part reconciling correctly. This is meaningfully harder than a normal checkout, and it is where multi-vendor builds most often go wrong when it is underestimated.
We build this on payment platforms designed for exactly this: splitting a single payment across multiple recipients and paying out to many vendors, with the states for holding funds, releasing on fulfilment, handling refunds that touch only one vendor's portion, and reconciling commission cleanly. It is unglamorous, precise work, and it has to be right, because it is your vendors' money and your platform's revenue flowing through it.
We build this from the experience of running payments and billing in production ourselves, so the awkward multi-party edge cases are handled rather than discovered live once real orders and real payouts are moving through your marketplace.
ProofWe run a marketplace with many vendors at scale
The clearest proof we can offer on multi-vendor marketplaces is that we build and run one. sellyourboat.io is a Wall & Fifth venture: a platform carrying over 12,000 listings from more than 100 independent vendors across 18 countries, with the vendor tooling, structured supply, and trust that a multi-seller marketplace requires.
Operating it means we have solved the real multi-vendor problems on our own product: how to onboard and vet vendors, how to give them tooling they actually use, how to keep a large multi-seller catalogue coherent and trustworthy, and how to keep the whole thing reliable at scale. We made those decisions with our own business on the line, so we build your multi-vendor marketplace from operating one, not from theory.
We have also delivered platform work for busesforsale.com and europeanyachtbrokers.com. Multi-seller marketplaces are squarely the category we work in.
The buildProduction stack, fixed price, owned outright
Under every multi-vendor marketplace we build is a real production stack: Next.js, React, and TypeScript, with PostgreSQL behind it, split payments on a platform like Stripe, deployed properly. A multi-vendor platform carries storefronts, vendor dashboards, split payments, commission, and order routing on top of the usual two-sided surface area, so the foundations have to be solid — and we build them to be.
We build to a fixed price. From 16,000 GBP for a focused multi-vendor marketplace MVP, from 30,000 GBP for a larger build with vendor dashboards, commission and payouts, order routing, reviews, and admin. Payment processing and any third-party usage is passed through to you at cost, never marked up.
And you own all of it: the full codebase, the commission and payout logic, the data model, handed over on delivery. No marketplace-SaaS you keep paying, no licensing, no lock-in. Yours to run, change, and scale with us or any team you choose.
ProofWe run a multi-vendor marketplace at scale
sellyourboat.io is a Wall & Fifth venture with 100+ independent vendors and 12,000+ listings — the same multi-seller machinery a multi-vendor marketplace needs.
12,000+
listings across vendors
PricingFixed price, scoped to the market
No hourly billing on a platform with real surface area. A defined price for a defined build.
Multi-Vendor MVP
from £16,000
Vendor accounts and storefronts, product listings, cart, and split payments. The build that proves the model.
Extensive Build
from £30,000
Vendor dashboards, commission and payouts, order routing, reviews, and admin for a market that scales.
Embedded Partner
from £8,000 /mo
Ongoing senior involvement once live: onboarding vendors, evolving tooling, growing the market.
Build a multi-vendor
marketplace that scales.
Tell us what your vendors sell and how you take your cut. We will build the storefronts, split payments, and tooling that hold it together.