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Greta.Agency

Build a marketplace
for Agencies.

Built for digital agencies, creative studios, and professional service firms.

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 Agencies companies struggle with this.

1

Project management tools that don't match how your agency delivers and bills

2

No clean client experience for sharing deliverables, getting approvals, and reporting progress

3

Team utilization and capacity planning spread across spreadsheets and assumptions

4

Invoicing and retainer management handled manually instead of systematically

The solution

How we build it
for Agencies.

Generic project tools miss the nuance of agency workflows: retainer billing, deliverable approval, client communication, and team utilization tracking. Custom tools can be built around how your agency actually operates.

Agencies run on client relationships, project delivery, and team utilization. The tools they use need to match how they actually deliver work — not how a generic project management tool assumes they do.

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 Agencies companies
build with us.

Agency project management tools

Build tools for managing projects, deliverables, and team assignments across client engagements.

Client delivery portals

Create branded portals for clients to review work, approve deliverables, and track progress.

Agency reporting dashboards

Build dashboards showing utilization, project health, client revenue, and delivery performance.

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 Agencies?

Typical timeline: 4–10 weeks

About this service

What is Build a Marketplace for Agencies?

Build a Marketplace for Agencies means building a marketplace specifically designed around the workflows, compliance expectations, and user needs of digital agencies, creative studios, and professional service firms. 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.

Agencies run on client relationships, project delivery, and team utilization. The tools they use need to match how they actually deliver work — not how a generic project management tool assumes they do.

Why Agencies companies need custom build a marketplace

Generic project tools miss the nuance of agency workflows: retainer billing, deliverable approval, client communication, and team utilization tracking. Custom tools can be built around how your agency actually operates.

Most agency 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 agency operations actually need. A custom-built product eliminates that friction permanently.

How long does it take to build?

Agency tools can ship in 3–6 weeks. Full agency management platforms with client portals and reporting take 6–12 weeks. The timeline depends on scope, the number of user types, and the depth of integrations with existing agency 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?

Agency tools typically range from $5k–$25k depending on workflow complexity, client-facing portal requirements, and billing integration needs. 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 agency companies often have requirements that generic SaaS tools weren't built for: project management tools that don't match how your agency delivers and bills, no clean client experience for sharing deliverables, getting approvals, and reporting progress, 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 agency 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 agency business depends on.

Start your project

Ready to build
for Agencies?

We build marketplace platforms with listings, roles, payments, and admin tools built in. Scoped for digital agencies, creative studios, and professional service firms.