Enterprise-Ready SaaS Product Development.

Software you sell to many customers on a monthly or yearly subscription: one product, many companies, each with their own accounts, data and billing. The unglamorous parts, billing and tenancy and roles, are the ones that decide whether it survives contact with a second customer.

At a glance Live

Timeline 12—24 Weeks

Team 2—3 People, 4—5 AI Agents

Tools & Platforms Next.js · Node.js Postgres · Supabase

Deliverables Live Product, Billing, Admin, Source Code

Next.jsReactTypeScriptNode.jsPythonPostgreSQLStripeRedisDockerTerraform

What we build, most requested first

Fintech and payments SaaS

Balances, reconciliation and payouts for every customer account, with the audit trail a finance team and an auditor both need.

Typical: reconciliation stops being manual

Industry CRMs and vertical SaaS

A CRM or operations platform built for one industry and sold to every business in it, with permissions that survive a customer doubling in size.

Typical: one product, many customers

Marketplace platforms

Two-sided platforms earning on subscriptions or commission: supply, matching, payments and disputes, and the moderation nobody plans for at the start.

Typical: both sides from one build

Booking and scheduling software

Scheduling sold to many businesses at once: availability, capacity, cancellation rules and payments, configurable per customer rather than hard-coded for one.

Typical: each customer sets their own rules’s

HR and workforce platforms

Records, approvals, documents and reporting, priced per seat, with retention rules that satisfy a data protection officer.

Typical: audit-ready by design

MVP to platform

An early build that found customers and is now buckling, rebuilt without stopping the business using it.

Typical: migrated, not restarted

How a build runs, releasing from week four

Weeks 1—3

Domain and architecture

Tenancy, roles, data model and the decisions that are expensive to reverse, settled and written down.
Weeks 4—12

The core product

The journey the subscription is sold on, released fortnightly to a staging tenant you use daily.
Weeks 13—20

Billing, roles and admin

Plans, trials, invoicing, self-serve sign-up and onboarding, permissions and the back office your own team will spend its days in.
Weeks 21—24

Launch and hand over

Load testing, monitoring, runbooks, and onboarding your engineers into the codebase.

What you get

Built to be handed over.

Most SaaS builds fail slowly, when the agency leaves and nobody inside the company can change anything. We architect, document and hand over for that day from the start: conventional choices, written decisions, and your engineers in the repository before we finish.

The running platform

Multi-tenant, in your own cloud account, in the regions your customers require.

Billing and subscriptions

Plans, trials, proration, dunning and invoices: the parts that quietly lose money when they are wrong.

Roles and permissions

A model that holds when customers ask for their own admins, auditors and read-only users.

Monitoring and runbooks

Alerts that name an owner, and a written answer for each one at three in the morning.

Architecture decision records

Why each significant choice was made, so the next engineer does not undo it by accident.

Engineer onboarding

Your team shipping in the codebase before handover, not reading it afterwards.

Fixed-price packages in your currency

Package 01 8—12 weeks

Product MVP

$35k

One journey, one tenant model, real billing. Enough to charge a first customer honestly.

Core product journey
Multi-tenant foundation
Subscription billing
30 days aftercare

Book a scope call

Package 02 · Most chosen 16—24 weeks

Full platform

$90k

The complete product with back office, roles, reporting and the operational work that keeps it up.

Full product scope
Roles and admin back office
Reporting and exports
Monitoring and on-call
90 days aftercare

Book a scope call

Package 03 Rolling

Platform team

From $12k/mo

A standing team building alongside yours, with handover treated as the goal rather than the ending.

Fortnightly release
Monitoring and on-call
Engineer onboarding
Quarterly architecture review

Talk about a retainer

Questions we get from new clients

What makes it SaaS rather than a custom web application?

Who uses it. A custom web application runs one business. A SaaS product is sold to many businesses on a subscription, so every customer needs its own accounts, data kept separate from everyone else, plans and billing, and a way to sign up and get started without calling you. That extra layer is what this service covers.

We have an MVP that is struggling. Rebuild or repair?

Usually repair first, then replace in pieces. A full rewrite means months with no new features while your customers wait, and it fails more often than anyone admits. We spend the first fortnight measuring what is actually breaking before recommending either.

Can our own engineers take this over?

That is what we design for. Conventional choices over clever ones, decisions written down, and your engineers shipping in the repository before we finish. A codebase only we can maintain would be a liability we sold you.

How do you handle billing?

Through Stripe or your existing provider, and we treat the awkward parts as first-class: proration, failed payments, plan changes mid-cycle, tax. These are where SaaS quietly loses revenue, and they are much cheaper to get right before you have customers.

What about data residency and compliance?

We pick hosting regions to suit your customers, and build retention, export and deletion in from the start rather than bolting them on for a first enterprise deal. We are not auditors and will not claim a certification for you. We build so an audit is passable.

Do you take equity instead of fees?

No. We quote a fixed price, invoice in your currency, and stay a supplier you can replace. It keeps the advice honest, particularly the advice to build less.

Often bought together

All services

S—05

What would customers pay a monthly fee for?

Tell us who pays, what they are paying to avoid, and what exists today. You get a fixed quote and a timeline within three working days, in your currency.