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Marketplace MVP
Two-Sided PlatformsLiquidity SeedingTrust & Safety

Agence de Lancement MVP Marketplace

Votre Marketplace Meurt Si L'Offre Et La Demande N'Arrivent Pas Ensemble

12–18
Weeks to Launch
Discovery through go-live
£38K
Starting Price
Fixed-fee, transparent
95+
Lighthouse Score
Performance target
0
Hidden Fees
Scope-locked pricing
What A Marketplace MVP Actually Needs To Survive First Contact

Your marketplace goes live with one side empty and the other never arrives. A two-sided platform connects supply — sellers, hosts, providers — with demand — buyers, renters, bookers — but only if both sides believe the other exists. Your MVP isn't feature-complete. It's transaction-ready. Real payments moving between parties. Identity verification stopping fraud before your first seller onboards. Enough liquidity seeded that early users see activity, not an empty homepage. You're not proving every feature works. You're proving your matching logic, trust rails, and commission structure can sustain repeat transactions before you burn runway scaling a platform nobody trusts.

Où les projets échouent

The chicken-and-egg problem kills most marketplaces before they ever launch No seeding strategy means neither side shows up, and you burn runway proving absolutely nothing.
Payment integration is way more complex than it looks for multi-party transactions Split payouts, platform fees, seller onboarding, tax compliance — these create months of hidden work if you don't architect for them on day one.
KYC gets bolted on as an afterthought, and that's when things go sideways One fraudulent actor erodes trust fast. One bad experience and your early adopters are gone — permanently.
No-code marketplace builders hit a wall the moment you need to differentiate You'll ship quickly, sure, but your matching logic, fee structure, and UX will look identical to every other Sharetribe clone out there.
Most agencies scope marketplace builds like standard web apps They miss liquidity mechanics, trust systems, supply-side tooling — the exact things that determine whether your marketplace survives past month six.
Founders consistently underestimate content moderation One viral incident with unmoderated content can torch brand trust and invite regulatory attention before you've even hit traction.

Conformité

Stripe Connect & Adyen Integration

Multi-party payment flows with split payouts, platform fees, and support for 135+ currencies. We handle seller onboarding, delayed captures, and refund routing so money moves correctly from day one — no surprises.

KYC via Onfido & Persona

AI-driven identity verification with sub-60-second checks and 99% accuracy. Biometric liveness detection and document orchestration keep bad actors off your platform without making life difficult for legitimate users.

Hive Moderation for Trust & Safety

Automated content and image scanning at 95%+ precision, built to scale to millions of items per day. We pair that with human-in-the-loop escalation for the edge cases AI genuinely can't resolve on its own.

Real-Time Matching Algorithms

Custom liquidity algorithms built on Supabase Edge Functions and real-time subscriptions. Geo-matching, relevance scoring, dynamic feed ranking — all tuned to your marketplace's specific supply-demand dynamics, not a generic template's.

Supply-Side & Demand-Side Seeding

Structured onboarding protocols for your first 20–50 adopters on each side. We build out invite flows, referral incentives, and soft-launch gating that creates real liquidity before you go public — not after.

Transparent Scope-Locked Pricing

Every engagement starts with a fixed-fee discovery phase. You see the full cost breakdown before we write a single line of code. No change orders, no hourly surprises, no ambiguity about scope.

Ce que nous construisons

Build matching logic and transaction flows on Next.js with Supabase Realtime pushing updates the moment a listing, booking, or message arrives

Your platform handles sub-200ms page loads globally with Vercel edge deployment and Postgres-backed auth that scales past your first 10K users

Connect Stripe Connect or Adyen split payouts with escrow, platform fees, and automated 1099 generation so money moves correctly from day one

Your payment rail splits fees, holds escrow, and generates tax documents automatically so you're not debugging Stripe webhooks at 2am when GMV spikes

Verify seller identity with Onfido or Persona document checks and liveness detection before their first transaction clears your platform

Your seller onboarding blocks fraudulent accounts with biometric checks and risk scoring before a single transaction damages buyer trust

Scan every listing, profile image, and message with Hive Moderation API to catch prohibited content before a bad actor torches your brand

Your content moderation catches prohibited imagery and text in real-time with human escalation queues for edge cases your AI can't classify

Seed supply with invite-gating, geo-fenced launches, and incentive dashboards built into your admin panel — not bolted on later

Your supply-side toolkit gives you manual control over early cohorts so you're seeding the right inventory in the right markets before opening the floodgates

Deploy real-time notification feeds so buyers see fresh inventory and sellers see incoming demand without refreshing a page

Your notification system keeps both sides engaged with instant updates on bookings, messages, and new listings — reducing the time between signup and first transaction

Notre processus

01

Discovery & Liquidity Strategy

We map your marketplace dynamics: who supplies, who demands, what triggers that first transaction. We define your seeding plan, payment architecture, and trust requirements. You get a fixed-fee scope document with no loose ends.
Weeks 1–2
02

UX Design & Data Modelling

Figma prototypes for both sides of the marketplace, plus admin. While that's happening, we're modelling your Supabase schema, matching logic, and payment flows in parallel. You approve designs before a build sprint begins.
Weeks 3–5
03

Core Platform Build

Next.js frontend, Supabase backend, Stripe Connect or Adyen integration, KYC pipeline, and moderation layer — built in parallel sprints with weekly demos. Matching algorithms get tuned against synthetic data so they're not flying blind on launch day.
Weeks 6–13
04

QA, Seeding & Soft Launch

End-to-end testing across payment, verification, and moderation flows. We onboard your first 20–50 supply-side participants and gate demand-side access for controlled liquidity validation. You learn before you open the doors.
Weeks 14–16
05

Public Launch & Iteration

Full deployment with monitoring, error tracking, and analytics. Then 30 days of post-launch support — bug fixes, performance tuning, and algorithm adjustments based on what real transaction data is actually telling us.
Weeks 17–18+
Next.jsSupabaseVercelStripe ConnectAdyen for PlatformsOnfidoPersonaHive ModerationTypeScriptPostgres

Questions fréquentes

Pourquoi 12–18 semaines au lieu d'options no-code plus rapides ?

Les outils no-code comme Sharetribe livrent vite mais vous enferment dans un matching générique, des structures de frais et une UX dont vous ne pouvez pas vous échapper. Une build custom Next.js + Supabase prend 12–18 semaines, mais vous obtenez des algorithmes de liquidité uniques, des flux de paiement sur mesure, et une base de code que vous possédez réellement. C'est ce qui sépare un marketplace viable d'un template déguisé.

Comment résolvez-vous le problème de liquidité chicken-and-egg ?

Nous construisons l'infrastructure de seeding directement dans la plateforme dès le départ — lancements à invitation gérée, déploiements géo-cloisonnés, outils d'onboarding côté offre, systèmes d'incitation. Lors du lancement soft, nous onboardons manuellement 20–50 participants côté offre afin que les utilisateurs côté demande trouvent des annonces réelles immédiatement, et non une plateforme vide qui les fait partir et ne jamais revenir.

Quelle est la différence entre Stripe Connect et Adyen for Platforms ?

Stripe Connect est plus rapide à intégrer, bien documenté, et fonctionne bien pour la plupart des marketplaces en phase précoce. Adyen for Platforms a des frais par transaction plus bas à haut volume et une couverture plus forte sur les marchés européens et APAC. Ce que nous recommandons dépend de votre géographie, de vos projections de volume, et de ce que vos vendeurs ont réellement besoin pour les paiements.

Ai-je besoin de vérification KYC pour un MVP ?

Si votre marketplace implique des paiements entre étrangers — oui, vous avez besoin de KYC. Stripe et Adyen exigent tous deux la vérification d'identité des vendeurs pour la conformité. Nous intégrons Onfido ou Persona pour automatiser cela avec des vérifications de documents pilotées par l'IA en moins de 60 secondes, afin que l'onboarding reste fluide tout en respectant les exigences réglementaires dès le premier jour.

De quoi dépend la fourchette £38K–£125K ?

Le périmètre détermine le nombre. Un marketplace de produits direct avec Stripe Connect et une KYC basique se situe en bas de gamme. Les marketplaces de services complexes avec systèmes de réservation, intégration Adyen, algorithmes de matching avancés, outils d'administration responsive mobiles, et conformité multi-régions poussent vers £90K–£125K. La découverte verrouille le nombre exact avant le build — c'est tout l'intérêt.

Qui est Melody Sellers et quel est son rôle ?

Melody Sellers est notre Principal Engineer. Elle architected les systèmes marketplace — algorithmes de liquidité, logique de matching temps réel, orchestration des paiements. Elle pilote la découverte technique, définit le schéma Supabase et l'architecture Edge Function, et examine personnellement chaque déploiement. Elle a construit des plateformes bilatérales traitant des millions en GMV. Quand quelque chose est complexe, c'est elle qui le résout.

Marketplace MVPs from £38,000 GBP
Fixed-fee. Scope-locked. 30-day post-launch support included.
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Next.js DevelopmentE-Commerce DevelopmentCore Web Vitals OptimizationCore Web Vitals: Complete Guide 2026

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