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Service · Websites and web applications

Marketplace platform

Marketplace concepts usually grow out of a fragmented niche: many small suppliers, shoppers unsure where to find them and no trusted meeting point in between. The concept is often a good one. What founders underestimate is that the platform becomes answerable for what appears on it, not merely a noticeboard. Suppose someone launches a platform for second-hand ski and snowboard gear from rental shops in Tyrol and Salzburg. If a pair of touring skis arrives with a cracked edge, or never existed at all, the angry email goes to the platform operator rather than the rental shop. So before anything visual, we work out how sellers are vetted, how money moves and how disputes get resolved.

Send an enquiry Inclusions overview
Seller checks
identity and bank account before the first payout
Split payment
commission retained automatically
DSA
notice procedures and trader traceability
MVP
first release in one region, one category

Everything this covers

A marketplace has three sides: sellers, buyers and operator. Each needs its own features, and all three have to work from day one.

Settle the details with an engineer

Seller onboarding

Sign-up, checks on registration and trade licence details, bank account and identity verification through the payment provider, acceptance of terms and a dashboard for listings, orders and payouts.

Money flows through licensed providers

Buyers pay the platform, the payment provider splits the amount, keeps your commission and pays the rest to the seller. That way you never hold third-party funds yourself, which could otherwise require your own authorisation as a payment service provider; check the details of your case with your lawyer.

Search, filters and trust

Search with filters by category, condition, region and price, seller profiles with ratings and clear labelling of whether a listing comes from a private or a business seller.

Moderation and reporting

Tools for reviewing new listings, a notice procedure for illegal content and stated reasons when an account or item is blocked, as the Digital Services Act requires of online platforms.

Complaints and disputes

A defined process for returns, defects and non-delivery with deadlines, photo evidence and the option to hold back payouts until the case is settled.

Operator console

Commission models per category, reports on turnover and complaint rates, exports for bookkeeping and the data you need for the DAC7 report to the tax authorities.

Our working method

We advise starting small: one region, one category, a few hand-picked sellers. Expansion only pays off once the process works at that scale.

01

Rulebook

Together we work out terms of use, commission model, complaints process and moderation rules. You settle the legal wording with your lawyer; we make sure the platform enforces it technically.

02

Choose a payment provider

Stripe Connect, Mangopay or Adyen compared on fees, payout rhythm, seller verification and support for eps and cards.

03

First release

Seller onboarding, catalogue, checkout with split payment and a moderation area. A trial with five to ten real sellers exposes the gaps.

04

Launch and growth

Opening to buyers in one region, weekly review of complaints and searches that returned nothing, then gradual addition of further categories.

No seller should receive a single euro before being verified. Payment services built for multi-vendor platforms insist on confirming each vendor and their payout account, and the Digital Services Act obliges online marketplaces, unless an exemption for micro and small enterprises applies, to collect contact and registration details from business sellers. If onboarding does not cover this, the first payouts get blocked precisely when the marketplace starts gaining momentum. Seller verification therefore belongs in the first release, not a later phase.

Frequently asked questions

For an initial test, often yes, for example with extensions for Shopware or WooCommerce or with specialised SaaS products. Once commission, moderation or complaints handling depart from the standard, those tools hit their limits. We assess how far a ready-made base will carry you.

That depends on your terms of use and on the role the platform plays. On the technical side we provide seller checks, held payouts and a clear audit trail. The legal assessment belongs with your lawyer.

Platform operators must report certain details about sellers and their earnings to the tax authorities. We build the platform so this data is captured completely and can be exported. You prepare the report itself with your tax adviser.

Common options are commission per sale, monthly seller fees, paid listing upgrades or a mix of these. The right model depends on the margins your sellers work with, and we calculate it with you before it gets fixed in the software.

Related work in the same area

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Service WordPress websites A custom block theme, a short plugin list and every licence in your company name Service Shopify and other platforms Shopify, Shopware, WooCommerce or JTL, chosen on the basis of your own figures Service Brochure website and catalogue A few pages and a catalogue with enquiries instead of a basket, easy to update Service Corporate website Separate routes for customers, applicants, suppliers and the press

Let us talk about your marketplace idea

Describe who sells on the platform, who buys and how you intend to earn money. We will reply within one working day with our first questions.

Availability
Monday to Friday, 8:00-17:00 Austrian time (CET/CEST), reply within one working day
Meetings
By video on Microsoft Teams or Google Meet

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