Web apps for real work

Fast, secure, responsive web applications tailored to your exact workflow not squeezed into a template.

Fast, secure, responsive web applications tailored to your exact workflow not squeezed into a template. Built to scale and a genuine pleasure to use.

Start a project See our work

Custom Web ApplicationsWeb Development You own it

100%SEOSecure

Sprint demosEvery 1–2 weeks

You own itCode, data & IP

exarth.com/custom-web-applications

New

One accountable team from discovery through launch and handover.

100+Projects shipped

9+Years building

6Disciplines

30+Services offered

Overview

A web app shaped around your workflow

We design and build web applications that fit how your business actually works.

100%

responsive & fast

SEO

ready out of the box

Secure

by design

Responsive everywhereLooks and works flawlessly from phone to desktop.
Fast performanceSnappy loads and smooth interactions that keep users.
Secure by defaultProtected accounts and encrypted data, always on.
Built to scaleArchitecture that grows without a costly rebuild.

HTML5
CSS3
JavaScript
jQuery

Discuss your project

Overview

A web app shaped around your workflow

We design and build web applications that fit how your business actually works.

No rigid templates, no bloat just a fast, secure, scalable product your team and customers love to use.

What that means for you

Responsive everywhere

Looks and works flawlessly from phone to desktop.

Fast performance

Snappy loads and smooth interactions that keep users.

Secure by default

Protected accounts and encrypted data, always on.

Built to scale

Architecture that grows without a costly rebuild.

Custom Web Applications

Web Development

100%

responsive & fast

SEO

ready out of the box

Secure

by design

Every build includes

Fully responsive design
SEO optimisation
Performance tuning
Security hardening
Analytics & monitoring

Built with

HTML5
CSS3
JavaScript
jQuery
AJAX
Bootstrap

Discuss your project

What we build

Everything your web app needs

Production-ready capabilities included as standard.

A complete, production-ready feature set designed, built, and tested to ship, not a checklist of buzzwords.

6core
capabilities

Responsive UILooks and works perfectly on every screen size.

Fast performanceOptimised loads, caching, and smooth interactions.

Secure by designAuth, encryption, and best-practice hardening.

SEO-readyServer-rendered, fast, and search-friendly.

IntegrationsConnect payments, CRMs, and any third-party API.

Scalable coreArchitecture that grows with your traffic.

Capability 01 / 0601

Responsive UI

Looks and works perfectly on every screen size.

What's included

Mobile, tablet & desktop
Fluid layouts
Touch-friendly

Included as standardStart a project

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 web app built around your exact workflow fast, secure, and owned.

Alternative

Website builders & templates

A rigid template you bend your process to fit and keep paying for.

Fit to workflowBuilt around how you actually work
PerformanceOptimised, fast on every device
OwnershipYou own the code & data
ScalabilityGrows with your traffic & needs
IntegrationsConnects to anything you use

Recommended

Custom-built with Exarth

A web app built around your exact workflow fast, secure, and owned.

Best long-term value

VS

Alternative

Website builders & templates

A rigid template you bend your process to fit and keep paying for.

Hidden long-term cost

Criteria

With Exarth

Website builders & templates

Fit to workflow

Built around how you actually work

Forced into the template's limits

Performance

Optimised, fast on every device

Bloated and often slow

Ownership

You own the code & data

Locked into the platform

Scalability

Grows with your traffic & needs

Hits a ceiling fast

Integrations

Connects to anything you use

Limited to their plugins

A builder gets you a website; a custom web app gives you a product that fits, scales, and is genuinely yours.

Build it the right way

How we work

From idea to launch

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 101
Discover
We map requirements, users, and goals.
Week 1–202
Design
Wireframes and UI designed around your flow.
Week 2–603
Build
Iterative development with demos each sprint.
Week 6+04
Launch
We deploy, test, and support post-launch.

01
Week 101/04
Discover
We map requirements, users, and goals.
What we do
- Stakeholder interviews
- Requirement mapping
What you get
- Requirements & scope
- Project roadmap
02
Week 1–202/04
Design
Wireframes and UI designed around your flow.
What we do
- Wireframes & UI design
- Design review
What you get
- Wireframes & UI
- Design sign-off
03
Week 2–603/04
Build
Iterative development with demos each sprint.
What we do
- Agile sprints
- Code review & QA
What you get
- Working app each sprint
- Sprint demos
04
Week 6+04/04
Launch
We deploy, test, and support post-launch.
What we do
- Deploy & test
- Train & support
What you get
- Production deployment
- Post-launch 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 fast, accessible UI on every screen.
- HTML5
- CSS3
- JavaScript
- jQuery
- AJAX
- +3
Backend5Reliable APIs that scale with demand.
- Node.js / Express
- Python · Django
- FastAPI
- Flask
- REST & GraphQL
Data2Consistent, fast, durable data.
- PostgreSQL
- Redis
Infra2Automated, zero-downtime deploys.
- Vercel / AWS
- 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

The fast, responsive interface users interact with.

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

A fast, accessible UI on every screen.

02

Backend

5 tools

Server logic and APIs that power the app.

Node.js / Express
Python · Django
FastAPI
Flask
REST & GraphQL

Reliable APIs that scale with demand.

03

Data

2 tools

Where your data is stored and served.

PostgreSQL
Redis

Consistent, fast, durable data.

04

Infra

2 tools

Hosting, scaling, and the deploy pipeline.

Vercel / AWS
CI/CD

Automated, zero-downtime deploys.

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 designed and built FlowZen, a modular web ERP that unifies CRM, finance, HR, inventory, supply chain, manufacturing, and projects in one real-time workspace.

FlowZen: all-in-one business ERP workspace

Enterprise · Business ERP

8

core modules

1

shared workspace

Real-time

dashboards

The challenge

Teams were stitching CRM, finance, HR, inventory, and projects across separate tools. No shared source of truth, slow handoffs, and leaders flying blind on live operations.

Unified CRM, finance, HR, and ops in one ERP
Role-based workspaces for each department
Real-time dashboards across the business

View full case study

FlowZen: all-in-one business ERP workspace

Enterprise · Business ERP

Case study

The challenge

Teams were stitching CRM, finance, HR, inventory, and projects across separate tools. No shared source of truth, slow handoffs, and leaders flying blind on live operations.

What we built

Unified CRM, finance, HR, and ops in one ERP
Role-based workspaces for each department
Real-time dashboards across the business
Modular architecture ready to grow

Built with

Next.js
Node.js
PostgreSQL
AWS

The results

8core modules

1shared workspace

Real-timedashboards

Exarth works across our whole product line, from FlowZen and ZenHosp to DocZen and Zenara. Clear scopes, weekly demos and engineers who own their work make them feel like part of our own team.

Solomon, Project Manager · Zengnia Products

The result

What you walk away with

Results your business feels once it's live.

Not just a website a fast, secure product that earns its keep. Here's what changes once it's live.

100%responsive & fast

SEOready out of the box

Secureby design

Faster & smootherPages that load fast and feel effortless.

Secure & reliableHardened, tested, and dependable.

Ready to scaleHandles growth without a rebuild.

01

Faster & smoother

Pages that load fast and feel effortless.

Optimised load times
Smooth interactions
Mobile-fast

02

Secure & reliable

Hardened, tested, and dependable.

Hardened & tested
Encrypted data
Dependable uptime

03

Ready to scale

Handles growth without a rebuild.

Grows with traffic
No costly rebuild
Cloud-native

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 system our teams rely on every day.”

SZ

Somiya Zaman

Project Manager · Pakistan · ESSI KPK

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

SZ

Somiya Zaman

Project Manager · Pakistan · ESSI KPK

Exarth delivered the whole SeedsWild ecosystem: the marketplace with AI seed recommendations, seller wallets, and the mobile apps our growers use across Europe. One team owned web, mobile and product, and it showed in every release.

ES

Emma Suire

Founder & CEO · France · SeedsWild Platforms

Exarth built GR1P and First Line Defense for us, from the AI fit recommendations and the iPad hand-scan kiosk to the admin dashboard and POS. They understand both the AI and the retail floor, and they ship.

RM

Randal Marmet

Founder & CEO · USA · GR1P & First Line Defense

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Most projects touch more than one of these. Explore the rest of what our web team builds.

Admin DashboardsReal-time analytics and controls in one clear view so your team can act the moment data changes.Customer PortalsSecure, personalised self-service portals that cut support load and work on every device, around the clock.E-commerce PlatformsConversion-focused storefronts with payments, inventory, and a checkout that doesn't lose customers headless or full-stack.View all services

View all services

Web apps for real work

A web app shaped around your workflow

A web app shaped around your workflow

Responsive everywhere

Fast performance

Secure by default

Built to scale

Everything your web app needs

Responsive UI

Custom-built vs the alternative

From idea to launch

Discover

Design

Build

Launch

Built on a modern, proven stack

Frontend

Backend

Data

Infra

Industries built for real friction

Healthcare

Healthcare

From challenge to measurable impact

What you walk away with

Faster & smoother

Secure & reliable

Ready to scale

Hear it from our partners

Admin Dashboards

Customer Portals

E-commerce Platforms

Progressive Web Apps

Admin Dashboards

Customer Portals

E-commerce Platforms

Progressive Web Apps