SaaS products built for recurring revenue.

Building a SaaS is more than an app it's multi-tenancy, billing, onboarding, and scale.

Building a SaaS is more than an app it's multi-tenancy, billing, onboarding, and scale. We build production-ready SaaS platforms designed to acquire, retain, and grow paying customers.

Multi-tenant
Billing built-in
Scale-ready

Start a project See our work

SaaS DevelopmentSoftware Development Multi-tenant

Multi-tenantBilling built-inScale-ready

Sprint demosEvery 1–2 weeks

You own itCode, data & IP

Typical6–10 wk first release

workflow.tsapi.ts Dev

1// approvals, jobs, and an audit trail

2import { createWorkflow } from "./engine";

3

4export async function runStep(step: Step) {

5 const job = createWorkflow({

6 notify: true,

7 audit: true,

8 });

9 return job.execute(step);

10}

$ npm run build

compiled successfully

ready for staging deploy

deploy staging

main 0 problemsHTML5CSS3JavaScript

One accountable team from discovery through launch and handover.

100+Projects shipped

8+Years building

6Disciplines

30+Services offered

Overview

From idea to paying customers

We've built the hard parts of SaaS many times tenant isolation, subscription billing, usage limits, onboarding, and role management so you can focus on the product.

8–12 wk

to MVP launch

Day 1

revenue-ready

∞

tenants supported

01Secure multi-tenant architecture
02Subscriptions, plans & metered billing
03Self-serve onboarding and trials
04Admin, roles, and usage analytics

HTML5
CSS3
JavaScript
jQuery

Discuss your project

The approach

Launch faster on a foundation built to scale.

What that means for you

01

Secure multi-tenant architecture

02

Subscriptions, plans & metered billing

03

Self-serve onboarding and trials

04

Admin, roles, and usage analytics

SaaS Development

Software Development

8–12 wk

to MVP launch

Day 1

revenue-ready

∞

tenants supported

Built with

HTML5
CSS3
JavaScript
jQuery
AJAX
Bootstrap

Discuss your project

What we build

Everything this service covers

Production-ready capabilities included as standard.

A complete, production-ready capability set not a checklist of buzzwords. Every item ships as standard with your build.

6core capabilities
included as standard

Included with every build

Built to production quality
Documented & handed over to your team
Automated tests & CI/CD pipeline
Security & best practices baked in
No hidden add-on fees
30 days post-launch support

Scope your build

Multi-tenancyIsolated, secure tenants with shared, efficient infrastructure.

Subscriptions & billingPlans, trials, upgrades, and metered usage via Stripe.

Onboarding flowsSelf-serve signup and onboarding that convert trials to paid.

Teams & rolesWorkspaces, invitations, and granular role-based access.

Usage analyticsTrack activation, engagement, and churn signals.

Built to scaleArchitecture that grows from your first user to thousands.

Scope your build

01

Multi-tenancy

Isolated, secure tenants with shared, efficient infrastructure.

Included as standard

02

Subscriptions & billing

Plans, trials, upgrades, and metered usage via Stripe.

Included as standard

03

Onboarding flows

Self-serve signup and onboarding that convert trials to paid.

Included as standard

04

Teams & roles

Workspaces, invitations, and granular role-based access.

Included as standard

05

Usage analytics

Track activation, engagement, and churn signals.

Included as standard

06

Built to scale

Architecture that grows from your first user to thousands.

Included as standard

Why this approach

Custom-built vs the alternative

Same job, two very different outcomes.

The same job, two very different outcomes. Here's an honest, side-by-side look.

Recommended

Custom-built with Exarth

A production SaaS foundation you own and can scale.

Alternative

Boilerplate / no-code builders

Templates and builders you outgrow the moment you grow.

Multi-tenancySecure, isolated by design
BillingPlans, trials & metered usage
CustomisationAnything your product needs
ScaleStateless, cloud-native
OwnershipYour codebase & data

Recommended

Custom-built with Exarth

A production SaaS foundation you own and can scale.

Best long-term value

VS

Alternative

Boilerplate / no-code builders

Templates and builders you outgrow the moment you grow.

Hidden long-term cost

Criteria

With Exarth

Boilerplate / no-code builders

Multi-tenancy

Secure, isolated by design

Bolted on or not at all

Billing

Plans, trials & metered usage

Basic or locked behind upgrades

Customisation

Anything your product needs

Capped by the builder's limits

Scale

Stateless, cloud-native

Hits a ceiling under load

Ownership

Your codebase & data

Locked to the platform

Builders get you a demo. A real foundation gets you a business you can scale, raise on, and one day sell.

Build it the right way

How we work

From idea to live

Four phases with demos and deliverables at every step.

A clear, four-phase path with real demos and deliverables at every step you always know what we're doing and what you'll get.

Week 1–201
Shape the MVP
We define the core loop and the smallest version worth shipping.
Week 2–302
Architect for scale
Multi-tenancy, billing, and auth designed in from the start.
Week 3–1003
Build & iterate
Ship the MVP fast, then iterate on real user feedback.
Week 10+04
Launch & grow
Go live with analytics and the infrastructure to scale.

01
Week 1–201/04
Shape the MVP
We define the core loop and the smallest version worth shipping.
What we do
- Market & user research
- Core loop definition
- Feature prioritisation
What you get
- Core loop defined
- Feature scope
- MVP roadmap
02
Week 2–302/04
Architect for scale
Multi-tenancy, billing, and auth designed in from the start.
What we do
- Multi-tenant design
- Billing & auth design
- Infra planning
What you get
- Tenancy & auth design
- Billing model
- Infra plan
03
Week 3–1003/04
Build & iterate
Ship the MVP fast, then iterate on real user feedback.
What we do
- MVP development
- Usability testing
- Feedback-driven iteration
What you get
- Shippable MVP
- User feedback loops
- Sprint demos
04
Week 10+04/04
Launch & grow
Go live with analytics and the infrastructure to scale.
What we do
- Production launch
- Analytics instrumentation
- Performance scaling
What you get
- Production launch
- Analytics live
- Scaling support

Technology

Built on a modern, proven stack

Tools chosen to fit the problem, not the hype.

Battle-tested tools chosen to fit the problem, not the hype cycle fast, secure, and a pleasure to maintain.

SpeedSecurityScalabilityMaintainability

Frontend8A polished, fast product UI.
- HTML5
- CSS3
- JavaScript
- jQuery
- AJAX
- +3
Backend6A secure multi-tenant core.
- Python · Django
- FastAPI
- Flask
- Node.js / Express
- Auth & RBAC
- +1
Billing3Revenue-ready from day one.
- Stripe
- Metered usage
- Invoicing
Infra4Scales from one user to many.
- AWS
- Docker
- Redis
- CI/CD

Chosen for

Speed

Optimised for fast, responsive software.

Security

Hardened with best-practice defaults.

Scalability

Grows with your users and team.

Maintainability

Clean, documented, easy to extend.

01

Frontend

8 tools

Your product's interface.

HTML5
CSS3
JavaScript
jQuery
AJAX
Bootstrap
React / Next.js
Tailwind CSS

A polished, fast product UI.

02

Backend

6 tools

Auth, tenancy, and logic.

Python · Django
FastAPI
Flask
Node.js / Express
Auth & RBAC
Webhooks

A secure multi-tenant core.

03

Billing

3 tools

Subscriptions and payments.

Stripe
Metered usage
Invoicing

Revenue-ready from day one.

04

Infra

4 tools

Scalable cloud foundation.

AWS
Docker
Redis
CI/CD

Scales from one user to many.

Sectors we engineer for

Industries built for real friction

Pick a sector to see what we build for it.Each vertical has different compliance, UX, and scale demands. Pick a sector to preview exactly what we build for it.

01 / 10

Healthcare

HIPAA-aware platforms for clinicians and patients.

Patient & provider portals
Telemedicine & scheduling

HL7/FHIRSecure APIs

Discuss a Healthcare project

Healthcare

HIPAA-aware platforms that put clinicians and patients first.

Discuss a Healthcare project01 / 10

What we build

Patient & provider portals
Telemedicine & scheduling
HL7/FHIR data exchange

Tech & focus

HL7/FHIR
Secure APIs
Patient UX

Featured work

From challenge to measurable impact

Exarth built the Labour Management Information System for Khyber Pakhtunkhwa's Employees Social Security Institution: establishments, workers, RFID cards, contributions, and inspections on one secure platform.

LMIS: KPK social security platform for ESSI

Government · Labour & Social Security

157K+

registered workers

14.4K

establishments

PKR 711M

contributions tracked

The challenge

Registration, worker records, contributions, RFID cards, inspections, and appeals lived across fragmented processes. Hard to audit, slow to update, and difficult for field teams to trust day to day.

Unified establishment and worker registries
RFID card assignment and tracking
Online contributions and payment flows

View full case study

LMIS: KPK social security platform for ESSI

Government · Labour & Social Security

Case study

The challenge

Registration, worker records, contributions, RFID cards, inspections, and appeals lived across fragmented processes. Hard to audit, slow to update, and difficult for field teams to trust day to day.

What we built

Unified establishment and worker registries
RFID card assignment and tracking
Online contributions and payment flows
Inspections and appeals in one system

Built with

Django
PostgreSQL
jQuery / AJAX
RFID

The results

157K+registered workers

14.4Kestablishments

PKR 711Mcontributions tracked

Exarth understood government workflows and delivered a secure platform our teams rely on daily.

Asim Shah, Director IT · ESSI KPK

What you get

Outcomes that move the needle

Results your business feels once it's live.

We don't measure success in features shipped we measure it in the results your business feels. Here's what changes once it's live.

8–12 wkto MVP launch

Day 1revenue-ready

∞tenants supported

Faster to marketSkip rebuilding billing and tenancy launch on a proven base.

Revenue-readySubscriptions, trials, and upgrades work from day one.

Scales with growthInfrastructure that won't buckle as customers pile in.

01

Faster to market

Skip rebuilding billing and tenancy launch on a proven base.

Proven foundation
Skip rebuilding basics
Launch in weeks

02

Revenue-ready

Subscriptions, trials, and upgrades work from day one.

Subscriptions day one
Trials & upgrades
Automated billing

03

Scales with growth

Infrastructure that won't buckle as customers pile in.

Handles user spikes
Cloud-native infra
No re-platforming later

Client voices

Hear it from our partners

Real partners. Real results.The teams who shipped with us, in their own words.

“Exarth understood government workflows and delivered a secure platform our teams rely on daily.”

AS

Asim Shah

Director IT · ESSI KPK

LMIS put establishment registration, worker records, RFID cards, and contributions on one secure platform for ESSI. Exarth understood government workflows and delivered a system our teams rely on daily.

AS

Asim Shah

Director IT · ESSI KPK

They built our WooCommerce store for the UAE market exactly how we needed it. Curated categories, rich product pages, Tabby installments, and a checkout that just works. We went live on schedule.

AW

Awais

Owner · Poppins Home

Exarth shipped the full SeedsWild ecosystem: the marketplace with AI seed recommendations, seller wallets, and the mobile apps our growers use across Europe. One team owned web, vendors, and product.

MR

Marco

Founder · SeedsWild

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SaaS products built for recurring revenue.

From idea to paying customers

Everything this service covers

Multi-tenancy

Subscriptions & billing

Onboarding flows

Teams & roles

Usage analytics

Built to scale

Custom-built vs the alternative

From idea to live

Shape the MVP

Architect for scale

Build & iterate

Launch & grow

Built on a modern, proven stack

Frontend

Backend

Billing

Infra

Industries built for real friction

Healthcare

Healthcare

From challenge to measurable impact

Outcomes that move the needle

Faster to market

Revenue-ready

Scales with growth

Hear it from our partners

Custom Business Software

API Development

CRM & ERP Systems

Legacy Modernization

Cloud Solutions

Custom Business Software

API Development

CRM & ERP Systems

Legacy Modernization

Cloud Solutions