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Marketplaces · B2B

Two sides verified. Trust scaled.

UK B2B marketplaces — Sharetribe / Mirakl / custom — supplier onboarding (KYC), demand discovery, dispute resolution, payouts.

Niche · vertical
Suppliers, typical
VAT & KYC ready
Dispute resolution
B2B Niche · vertical50–1,000 Suppliers, typicalUK + EU VAT & KYC ready9d → 36h Dispute resolution
The b2b marketplaces stack

Six instruments, calibrated.

UK B2B marketplaces — Sharetribe / Mirakl / custom — supplier onboarding (KYC), demand discovery, dispute resolution, payouts.

01 · Supplier KYC + onboarding

Verify, contract, payout-ready in days.

ID checks, business verification, bank validation, contract signed, Stripe Connect live — measured in days, not weeks. New suppliers ship their first listing the week they apply.

  • Onfido ID verification
  • Stripe Connect onboarding
  • Companies House lookup
  • Stalled-applicant nudges
02 · Demand-side search + match

Buyers find suppliers on your funnel.

Category-tuned search, vertical filters, match logic — buyers convert on the platform, not on a Google detour. Built on Algolia or custom Postgres FTS.

  • Algolia or custom search
  • Vertical filter logic
  • Match-and-RFQ flow
  • On-platform messaging
03 · Disputes + resolution

Resolve before review-bombs.

Tickets routed by SLA, evidence captured, refund or escrow-release controls in one queue. Disputes triaged before they hit Trustpilot.

  • SLA-tiered queue
  • Evidence & comms log
  • Mediation workflow
  • Refund / release controls
04 · Stripe Connect payouts

Escrow, schedule, audit-ready.

Funds in escrow, milestone or completion release, batched payout runs. Reconciliation an accountant signs without flinching.

  • Stripe Connect Express
  • Escrow & milestone release
  • Scheduled payout runs
  • Reconciliation export
05 · Trust + ratings

Reviews tied to verified transactions.

Ratings linked to real deals, moderated for abuse, surfaced in supplier ranking. Trust signals that reflect the work, not the loudest voice.

  • Transaction-linked reviews
  • Moderation queue
  • Supplier ranking signal
  • Buyer reputation score
06 · BrainBase

Operator playbook in one place.

Dispute SOPs, KYC FAQ, supplier comms templates, ops runbooks — searchable from the console. New ops hires answer correctly day one.

  • Dispute SOPs
  • KYC & regulatory FAQ
  • Supplier comms templates
  • AI-assisted retrieval
Sample engagement

The B2B marketplace that cut disputes from nine days to thirty-six hours.

Two hundred suppliers. Two founders. Disputes living in a Gmail label.

A B2B marketplace with 200+ verified suppliers ran trust on the founders' inboxes — every dispute pinged both phones, escalations were a forwarded email, refunds happened by Slack DM. Resolution averaged nine days and suppliers were churning. Three-week build: routed dispute queue with SLA tiers, evidence upload, in-app messaging, Stripe Connect refund / release controls, plus a BrainBase of dispute SOPs the ops hire could search. First quarter live: average resolution 36 hours, supplier churn down a third.

How we measure: Resolution time tracked from first ticket open to final state (refund, release, or close), measured against the prior 90-day Gmail-label baseline reconstructed from thread timestamps; supplier churn measured as suppliers inactive 60+ days against the prior cohort.

9d → 36havg dispute resolution
−33%supplier churn (60d)
200+verified suppliers
Adjacent industries

Different shape of the same problem.

If your work isn't exactly this, the nearest sectors share the rhythm. Or browse every industry we build for.

Build the trust layer.

Bring the take rate, the supplier count, and the dispute queue. That's the brief.