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Services / SaaS & Platforms

SaaS & Custom Platforms

We take a platform from concept to launch: product scoping, UX, data model, frontend, backend, payments, permissions and the integrations that make it useful on day one. The goal is software your team and clients can rely on, not a prototype that stalls after the demo.

What we build

Production-ready software, built around how your business actually runs.

Typical stack

ReactTypeScriptSupabasePostgreSQLStripeREST & webhooks

Many companies reach a point where spreadsheets, shared inboxes and a patchwork of subscriptions stop keeping up. Orders get lost between tools, clients ask for status updates nobody can give quickly, and every new hire has to learn five systems that were never designed to work together. A custom platform replaces that friction with one place where the work actually happens.

7 Seas Consulting builds SaaS products for founders and internal platforms for operating companies. That includes multi-tenant subscription software, client portals, CRMs shaped around a specific sales process, admin back-offices, booking and scheduling systems, and workflow engines that route tasks, approvals and documents between people. We design the data model first, because a clean structure is what keeps a platform fast and maintainable two years after launch.

We favour a pragmatic first release: the smallest version that real users can rely on, with authentication, roles, payments and audit trails done properly from day one. From there we iterate on usage, not assumptions.

Ownership matters as much as features. You receive the full codebase, the database and documentation, deployed on infrastructure in your own accounts. Whether the platform is a product you sell or a tool your team uses every day, it remains an asset of the business rather than a dependency on a single supplier, and it can be extended by us or by your own developers as priorities change.

What this solves

Operations spread across too many tools

Centralise customers, orders, tasks and documents in one system with a single source of truth.

A product idea stuck at the prototype stage

Turn a validated concept into production software with billing, permissions and support flows.

Clients who need visibility

Give customers a secure portal for status, files, invoices and requests instead of email threads.

Manual approvals and hand-offs

Encode the process in a workflow engine so work moves automatically and nothing is forgotten.

Typical deliverables

  • Product scoping and feature prioritisation
  • UX flows, interface design and design systems
  • Database architecture, roles and permissions
  • Client portals, admin panels and internal tools
  • Subscriptions, billing and payment flows
  • Workflow engines, notifications and audit trails

Who this is for

  • Founders launching a SaaS
  • Companies replacing spreadsheets
  • Service firms building client portals

Expected outcomes

  • A clear product roadmap tied to business goals
  • A secure, maintainable codebase you own
  • Faster operations through centralised workflows

How we approach it

  1. 01

    Scope

    Map users, roles, core workflows and the business model. Agree what the first release must do and what can wait.

  2. 02

    Design

    Data model, UX flows and interface design validated with the people who will use the system.

  3. 03

    Build

    Typed frontend and backend, secure access rules, payments and integrations, delivered in short reviewable increments.

  4. 04

    Launch & iterate

    Production deployment, monitoring and onboarding, then a roadmap driven by real usage.

Related services

SaaS & Custom Platforms often works best alongside AI Automation & Agents and Cloud, Systems & Integrations. See the full list on the services overview.

Have an idea, a bottleneck or a business system that needs to be built?

Tell us what you want to launch, automate or improve. We’ll help turn it into a clear plan and a working system.