B2B Marketplace Multi-Brand Suite In production

Techbus

A B2B IT marketplace connecting businesses that need hardware and IT services with vetted vendors - built as a multi-brand product suite sharing one account system. This is our own platform, in active production, not a portfolio concept.

TypeB2B marketplace platform
ScopeFull-stack - auth, marketplace, vendor & business dashboards, admin console
StackNode.js/Express · Sequelize/MySQL · React 19 · Vite
app.example/marketplace/compare
TechFare Marketplace
Post a RequestMy RequestsVendorsMessages
Request open · 3 quotes in

Compare quotes 50x Laptop refresh - Dell/Lenovo, on-site setup

NV Northline Vendors · Tier: Pro $48,200 · 10 business days AI pick
HC Harborline Computing · Tier: Basic $45,900 · 18 business days Slower ETA
PB Peak Bridge IT · Tier: Enterprise $51,400 · 7 business days Fastest

AI Quote Advisor

Northline Vendors offers the best price-to-timeline balance for this request, and their Pro tier includes on-site setup at no extra line item - the other two quote it separately.

The idea

One account system, five brands

Businesses post an IT hardware or support request; the platform matches and notifies relevant vendors by category, location, and tier; vendors respond with itemized quotes; the business compares them side-by-side with an AI advisor before engaging one. Everything - the public marketplace, the vendor dashboard, and the business dashboard - runs on one shared auth and account model instead of three disconnected apps.

  • Node.js/Express
  • Sequelize/MySQL
  • React 19 + Vite
  • Socket.IO
  • Google Gemini API

Multi-brand, one account

TechFare (marketplace), TechStop (vendor dashboard), and TechRide (business dashboard) share one auth system - with TechCrew and TechBoard planned on the same foundation.

AI Quote Advisor

Gemini-powered comparison that reads itemized quotes and surfaces the real trade-offs - not just a chatbot bolted onto a CRUD app.

Real-time chat

Socket.IO ties vendors and businesses together per-request, so quote questions don't have to happen over email.

GDPR built in, not bolted on

Audit logging, a data-retention cron job, and a dedicated audit-trail UI for business accounts.

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Sub-brands, one account system
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Data models across the platform
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Subscription tiers, gated server-side

Built to grow into a suite

Three brands are live (TechFare, TechStop, TechRide) and two more (TechCrew, TechBoard) are planned on the same account model - not a rebuild away.

Tier gating enforced where it matters

Basic/Pro/Enterprise feature limits are checked server-side and mirrored as locked states in the UI - not just a hidden button.

Documented like production, because it is

Living API docs and workflow references kept in step with the codebase - this runs as a real, iteratively-developed platform, not a one-off demo.

Building a multi-sided marketplace?

We've shipped the hard parts - shared auth across brands, tiered billing, real-time chat, and AI-assisted decisions.

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