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Greta.Agency

Build a marketplace
for Retail.

Built for retail companies and omnichannel commerce businesses.

We build marketplace platforms with listings, roles, payments, and admin tools built in.

Launch both sides of the marketBuilt-in platform fee logicReady to scale listings and users4–10 weeks
The problem

Why Retail companies struggle with this.

1

Inventory data that's always slightly wrong because of manual sync between systems

2

No unified view of sales, stock, and customer data across channels

3

POS and ecommerce that don't share customer profiles or purchase history

4

Operational reporting that requires manual exports and reconciliation

The solution

How we build it
for Retail.

Retail operations span POS, inventory, ecommerce, and customer management. Generic tools handle each piece but rarely integrate them cleanly. Custom-built retail software can unify these into one coherent operational system.

Retail technology needs to connect the online and offline experience, manage inventory across locations, and give teams real-time visibility into sales, stock, and customer data.

Purpose-built for two-sided dynamics — not a generic CRUD app

Marketplace payments including platform fee logic and seller payouts

Built to validate your model before investing in a large engineering team

Industry context built in — not bolted on

Deliverables

What you get.

01

Two-sided marketplace with buyer and seller flows

02

Listings system with categories, filters, and search

03

Payments with platform fee and payout logic

04

Seller dashboard for managing listings and orders

05

Admin panel for platform operations and moderation

Use cases

What Retail companies
build with us.

Retail operations dashboards

Build a unified view of sales, inventory, and performance across locations and channels.

Inventory management tools

Create tools for tracking stock levels, purchase orders, and supplier relationships.

Loyalty and customer platforms

Build loyalty programs and customer management tools that work across online and in-store.

Process

How we work.

01

Define the platform model

Map your buyers, sellers, listing types, and transaction or payout logic.

02

Structure the experience

Design discovery, listing creation, transaction, and admin flows.

03

Build the core system

Ship listings, roles, payments, and the marketplace operations layer.

04

Launch and validate

Go live, attract first users on both sides, and validate supply-demand fit.

Ready to build a marketplace for Retail?

Typical timeline: 4–10 weeks

About this service

What is Build a Marketplace for Retail?

Build a Marketplace for Retail means building a marketplace specifically designed around the workflows, compliance expectations, and user needs of retail companies and omnichannel commerce businesses. Unlike generic software or off-the-shelf tools, a custom-built solution gives your team full control over features, data, and the product roadmap — without paying for capabilities you don't need or working around limitations that slow you down.

Retail technology needs to connect the online and offline experience, manage inventory across locations, and give teams real-time visibility into sales, stock, and customer data.

Why Retail companies need custom build a marketplace

Retail operations span POS, inventory, ecommerce, and customer management. Generic tools handle each piece but rarely integrate them cleanly. Custom-built retail software can unify these into one coherent operational system.

Most retail teams start with generic tools because they're fast to deploy. But as the business grows, those tools create friction — missing the specific logic, integrations, and workflows that retail operations actually need. A custom-built product eliminates that friction permanently.

How long does it take to build?

Retail dashboards and tools can ship in 3–6 weeks. Full omnichannel platforms with POS integration take 8–16 weeks. The timeline depends on scope, the number of user types, and the depth of integrations with existing retail systems. A well-scoped project with clear requirements moves significantly faster than one that evolves through the build. We scope tightly before starting so timelines stay predictable.

What does it cost?

Retail software builds typically range from $8k–$40k depending on POS integration, inventory management complexity, and the number of channels and locations. The biggest cost drivers are integration complexity, the number of distinct user roles, and whether the product needs to handle regulated data or compliance workflows. We provide a clear scope and fixed-price quote before any work begins.

Custom build vs. off-the-shelf tools

Off-the-shelf tools work well for standard use cases. But retail companies often have requirements that generic SaaS tools weren't built for: inventory data that's always slightly wrong because of manual sync between systems, no unified view of sales, stock, and customer data across channels, or workflows that don't fit the assumptions baked into general-purpose platforms.

A custom-built product gives you:

  • Full ownership — no per-seat fees or platform lock-in
  • Workflows built exactly for how retail teams operate
  • Integrations with the tools and data sources you already use
  • A foundation you can extend as your product and team grow

The right time to build custom is when generic tools are creating real friction, costing more in workarounds than a custom build would cost, or blocking product-critical workflows that your retail business depends on.

Start your project

Ready to build
for Retail?

We build marketplace platforms with listings, roles, payments, and admin tools built in. Scoped for retail companies and omnichannel commerce businesses.