Multi-vendor marketplace software built to your requirements
Multi-vendor marketplace software is the system an operator uses to host other people's sellers rather than sell only their own stock. It covers the parts a single-seller shop never needs, which is where marketplace projects usually run into trouble. Sellers apply and are verified, list their own catalogues under your rules, and fulfil their own orders. The software splits each payment between the seller and your commission, holds funds until the delivery obligation is met, handles the disputes that follow, and pays out on the cycle you set.
AtashiTech does not license a packaged marketplace script. We design and build multi-vendor marketplace software to your requirements, under your brand, on the same proven web stack and database design we use for the business systems we already run. The rules of your marketplace become the specification, and the team that writes the software supports it after launch. Early adopters are welcome to define the first release with us.
A marketplace and a single-seller shop share foundations but answer different questions. If you sell your own products across channels, an e-commerce platform is the right system. If your business model is the marketplace itself, with commission, seller onboarding and payout obligations, this is the design you need.
Who builds a multi-vendor marketplace
Most marketplace projects start from one of three situations. They differ in who the sellers are and how much trust the operator has to manufacture.
Aggregators bringing a fragmented supply base online
Many small sellers in one category or one region, none of whom will build a shop of their own. The operator's value is the audience, the payment guarantee and the dispute process, so seller onboarding and held payments are the product, not a feature of it.
B2B and industry marketplaces
Trade buyers need verified suppliers, negotiated prices, tax-compliant invoices and a record of who supplied what. Verification, per-buyer price visibility and invoice generation matter more here than a fashionable storefront.
Brands and retailers opening their shop to third parties
An established retailer extends its catalogue by letting vetted partners list alongside its own products. The hard requirement is that a partner's order behaves exactly like an own order for the buyer while being settled quite differently behind the scenes.
How an order moves through the marketplace
The difference between a marketplace and a shop is what happens after the buyer pays. These four stages are where that difference lives, and where most of the design work goes.
Onboard and verify the seller
A seller applies through a self-service flow, uploads the registration and tax documents your policy requires, and accepts the agreement and commission terms. Your team approves, rejects or asks for more, and the seller only reaches the catalogue once the checks pass.
List under your rules
Sellers create listings against your category tree and attribute set, with pricing, stock and images of their own. Listings can go live immediately or through moderation, and category rules can force required attributes so the catalogue stays searchable rather than becoming a free-text jumble.
Sell, split and hold
A basket containing items from several sellers is paid once and split into per-seller orders. The payment gateway's split-settlement flow routes each seller's share and your commission, and funds are held until the delivery condition you set is met, which is what makes a buyer trust an unknown seller.
Settle, resolve and pay out
Sellers dispatch and update tracking from their own dashboard. Returns and disputes follow a defined workflow with evidence from both sides and a decision by your team, and settled funds are released to sellers on the payout cycle you set, with a statement each side can reconcile.
What we build into marketplace software
These are the modules a marketplace project typically covers. The operator console, the seller dashboard and the buyer storefront are three views of the same records, and you choose what the first release includes.
Seller onboarding and verification
Application forms, document upload, approval queues, agreement acceptance and per-seller status, so admitting a seller is a repeatable process rather than an email exchange.
Commission and fee management
Commission by category, by seller or by tier, plus listing and fulfilment fees, applied automatically at order time and shown transparently on both the seller statement and your revenue report.
Held payments and split payouts
One payment from the buyer, split between sellers and your commission, held until the release condition is met and paid out on a schedule, with the full money trail retained for reconciliation.
Dispute and return resolution
A structured case with evidence from buyer and seller, time limits on each stage, and a decision by your team that drives the refund or the release, rather than an argument in a support inbox.
Catalogue, search and moderation
Your category tree and attribute rules, faceted search with typo tolerance, and listing moderation with rejection reasons so the catalogue stays usable as it grows.
Branded storefront and apps
Your brand end to end on web and mobile, with the page structure, categories and content under your control. Buyers see your marketplace and nobody else's name.
Seller dashboard
Listings, orders, dispatch and tracking updates, returns, statements and performance views, so sellers run their own business without your operations team standing in the middle.
Operator analytics
Gross merchandise value, commission earned, seller performance and dispute rates, category demand and search terms with no results, which is the fastest guide to the supply you are missing.
Platform, integrations and deployment
We build marketplace software as a web application over a relational database, with a server-rendered storefront so category and product pages are fast and crawlable, and a dedicated search engine behind faceted search. Payments run through the split-settlement features of the payment gateway you choose, so the money trail is auditable rather than reconstructed by the operator.
Sellers with their own systems push listings and stock and pull orders through a REST API or scheduled CSV feeds, so a larger seller is not forced to work in a browser. Couriers, tax and accounting systems connect the same way. Hosting, environments and monitoring are set up by our cloud, DevOps and integration team, and operators who also hold their own inventory behind the marketplace connect it to ERP software.
Where multi-vendor marketplace software fits
Marketplaces are built in very different sectors, but the operator's problem is always the same: make strangers trustworthy to each other and take a defensible cut for doing it.
Consumer category marketplaces
Fashion, home, handmade goods or regional produce, where the operator aggregates many small sellers. Held payments and a working dispute process are what persuade a first-time buyer to order from a seller they have never heard of.
Industrial and B2B supply
Verified suppliers, negotiated pricing per buyer, tax-compliant invoices and purchase records. Operators who also hold their own stock run it behind the marketplace in ERP software.
Agriculture and producer platforms
Producers listing seasonal supply with volatile availability, where the operator guarantees payment and quality. Payout scheduling and simple mobile seller tools matter more than a rich storefront.
Institutional and government procurement portals
Registered vendors, category rules, moderated listings and an auditable record of every award and payment, which is the requirement that rules most consumer platforms out.
Retailers extending their assortment
Vetted partners listing beside a retailer's own catalogue. The retailer's own selling runs on an e-commerce platform, and stores adding self-service checkout use our retail self-checkout kiosk on the same shop floor.
Local services and food platforms
Many small outlets under one brand, with commission per order and payouts on a short cycle. Outlets that also take orders at the table or counter run our restaurant ordering software in the venue.
How we build, launch and support it
Building a multi-vendor marketplace is as much policy as software, and the project reflects that. We start with the rules: who may sell, which documents verify them, what the category tree and required attributes are, how commission is structured, when held funds release, what a valid return looks like and who decides a dispute. Those answers become the specification. We then build in phases released onto the same live system, each accepted against tests agreed with you. The storefront is branded, the payment gateway and payout flow are set up in your name, and a first group of sellers is onboarded by hand so the process is tested by people you can call before it is opened to strangers.
Because the software is built for you, a rule that does not fit a common pattern is a matter of scope. A commission structure that varies by order value, a verification step specific to a regulated category, a buyer-side approval workflow for institutional procurement or a bespoke seller statement is designed in from the start. Storefront and seller-dashboard design is handled by our UI/UX design team, the build by our web application development practice, and seller and buyer apps by our Android and iOS app development team.
After launch the marketplace runs under an annual maintenance contract covering support, updates, monitoring and a named contact for change requests, described on the Software Consulting and AMC Support page. Every engagement is scoped and quoted individually on the seller model, payment arrangements, integrations and volume; we publish no list prices. Our engagement model is set out on how we work, and notes on commerce systems appear on the AtashiTech blog.
Talk to us about your marketplace
Tell us who your sellers would be, how you intend to earn from each transaction and what has to be true before you release a seller's money. We will turn those rules into a design, and be clear about what a first release should include. Early adopters are welcome; the rest of what we build is on our solutions and services pages.
Frequently asked questions
Related solutions
AI Assistant for Business
A grounded AI assistant that answers only from your documents and website, with citations, voice and human handoff, on your website, apps, kiosks and portal. Separate tenants per company, department or brand. Set up per company.
E-commerce Platform
An e-commerce platform designed and built to your requirements: storefront, catalogue, multi-warehouse stock, multi-channel orders, payments, invoicing and fulfilment on one data model. Early adopters welcome.
ERP Software
ERP software designed and built to your requirements: finance, procurement, inventory, manufacturing, sales, HR and payroll sharing one item master and one ledger. Delivered in phases by the team that builds it. Early adopters welcome.
Employee Rewards & Recognition Software
Employee rewards and recognition software designed and built to your requirements: peer recognition, manager budgets, approvals, milestone automation, a reward catalogue and HR analytics, on web and mobile. Early adopters welcome.