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Custom SaaS Development

Subscription products and business platforms, from architecture to deployment.

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The problem

Off-the-shelf tools stop fitting once your process is the product. Spreadsheets and plug-ins hold it together until they do not. A custom platform gives you the workflow exactly as it should be, with billing, roles and reporting built in, and a codebase you own.

What we build

  • Multi-tenant platforms with roles, billing and onboarding
  • Admin tools and reporting your operations team actually uses
  • Integrations with the payment, email and calendar services your customers expect

Multi-tenant architecture, Billing, Admin panels, Onboarding, Analytics

How it works

  1. 01

    Scope

    The workflow, the roles, the money flows and the first ten customers, written down before design starts.

  2. 02

    Design

    Clickable flow and a design system so every screen after the first is faster.

  3. 03

    Build

    Weekly sprints, live demos, staging access, analytics from the first deploy.

  4. 04

    Launch

    Onboarding, billing and support tooling ready before the first paying customer arrives.

Work that proves it

  • PhotoInvoice home page: pay-to-download invoicing for photographers, with volume and payout figures

    PhotoInvoice

    Pay-to-download invoicing for real-estate photographers

    Designed and developed for the client: invoicing flow, pay-to-download gating and gallery delivery.

  • Booking and payments platform

    ¡HolaOlas!

    Commission-free direct booking and payments for tourism businesses

    Designed and developed for the client: direct-booking flow, availability handling and commission-free payments.

  • Nat.app home page: a personal CRM for relationship building, beside a contact list preview

    Nat.app

    Relationship CRM with Gmail, Calendar, Stripe and Segment

    Designed and developed for the client: relationship data model and the Gmail, Calendar, Stripe and Segment integrations.

What you get

  • Scope and architecture document

  • Design system and clickable flow

  • Working platform on your accounts

  • Billing and onboarding

  • Admin panel and reporting

  • Documentation and runbook

Questions

What's included in a custom SaaS engagement?
The scope and architecture document first — workflow, roles, money flows, the first ten customers — then a design system and a clickable flow before any screen is built. The platform itself ships with billing, onboarding, an admin panel and reporting, on your accounts, with documentation and a runbook. Analytics go in with the first deploy rather than after launch.
How long does a first subscribable version take?
Six to twelve weeks for a first version real customers can subscribe to. The pace is set by how many roles and permissions the workflow needs, how complex the billing is, and how quickly design decisions come back. Reporting and the second wave of admin tooling usually land after launch, once you see which numbers people actually ask for.
What do you need from us?
The process as it really runs, including the exceptions people handle by hand — those are the part that breaks off-the-shelf tools. Beyond that: one decision-maker, the payment and cloud accounts in your name, and two or three customers willing to look at a staging URL and tell us the truth.
Who owns the code and the data?
You do. The repository, the cloud and payment accounts and every customer record are yours from the start, and we hold access only while we work for you. Handover covers the codebase, the environment variables, the runbook and a walkthrough with your team.
How do you handle billing and multi-tenancy?
Tenancy is decided before the first table: a shared schema with a tenant key for most products, separate databases when a customer contract or a regulator requires it. Billing runs through Stripe or the provider you already use, with plans, trials, proration and failed payments treated as product behaviour rather than a page in settings. Usage-based pricing needs metering, so we build that in from the start if you plan to charge that way.

Not sure where to start?

Describe the problem in a few lines. You get a straight answer on what we would build and how long it takes.

Book a 5-minute growth call
Book a 5-minute growth call