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Case study · Marketplace

Telead Services: Guyana's services marketplace, built for how Guyana works

We built Telead Services a two-sided marketplace covering all 10 regions of Guyana: native iOS and Android apps, a web app, local mobile-money payments, and an operations dashboard the team runs the business from.

Market
Guyana: local service providers, sellers and customers
Platforms
iOS, Android, web, admin dashboard
Timeline
Web app live in about 3 months, nationwide in under 6
Model
Free to browse and list, paid Pro subscription
Providers84
Regions10
Listing services86%
Platforms3

The challenge

Building a marketplace for Guyana meant designing for local realities, not copying a US template.

Phone-first users. Sign-up had to work with a phone number, not an email and password.

Local payments. Card and app-store billing alone would shut out many businesses. Guyana runs on MMG mobile money.

Trust from day one. A new marketplace depends on people feeling safe contacting a stranger.

A small team running a national platform. The client needed to moderate, support and grow the marketplace without writing database queries.

What we built

One app, three platforms

A single Flutter codebase ships the iOS app, the Android app and the web app, so every feature reaches every user at once.

  • Phone sign-up with codes over WhatsApp, with SMS as a fallback
  • Browse or Sell from one account: any customer can become a seller with one tap
  • A service directory and a product marketplace with search, categories and provider portfolios
  • Real-time chat between customers and businesses
  • Reviews, plus reporting and blocking for fake profiles, scams and no-shows
  • Search across all 10 regions that widens from neighbourhood to region to country, so it never shows an empty page

Telead Pro: subscriptions with local payments

  • In-app purchase on iOS and Android
  • MMG mobile money on the web, priced in Guyanese dollars (monthly, quarterly or yearly)
  • Manual grants by the admin team for promotions
  • Every payment is confirmed on the server before Pro access is granted

The Operations Command Centre

  • Live marketplace health: providers, listings, users, sign-ups and engagement
  • Moderation: approve or suspend providers, review listings, two report queues, bans
  • Revenue: mobile-money payments and subscriptions, with one-click Grant Pro
  • Support: a built-in ticket queue
Under the hood

The engineering that protects the business

Payments

Payments can't be counted twice

A timing issue that could have credited one payment twice was found and fixed, with automated tests so it can't return.

Bans

Bans actually work

A banned account is signed out immediately, can't sign back in, and can't message, review or list products.

SMS fraud

Protection against SMS-pumping attacks

Codes are stored securely, guesses are capped, and requests are rate-limited per phone and per network address.

Release quality

Checks before every release

Automated checks and tests must pass before anything deploys, and production errors are monitored live.

Results
84

Local businesses onboarded

86%

Of providers actively listing services

10/10

Regions of Guyana live

3

Platforms from one codebase

Tech stack
  • Flutter
  • Supabase
  • Twilio
  • RevenueCat
  • MMG mobile money
  • Firebase
  • Sentry
  • React
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