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Company

Why FMK AgencyHow we workBook a free consult
Web apps · Mobile apps · APIs · E-commerce

Web and mobile apps engineered to scale from day one.

From customer-facing apps to marketplaces and booking platforms, we build products that are fast, secure and pleasant to use — and we keep them running after launch. One team handles UX, front-end, back-end, mobile and DevOps, so nothing falls between vendors.

Ship faster

A working product in users' hands in weeks, then improved in short, visible releases.

Performance that converts

Fast load times and smooth UX on the mid-range Android phones most of your users carry.

Architecture that lasts

Clean APIs and infrastructure that handle growth without a rewrite.

Who it's for

  • Startups building a customer-facing product or marketplace
  • Brands launching e-commerce beyond Facebook pages and inbox orders
  • Businesses needing booking, delivery, membership or loyalty apps
  • Companies modernising an old web app or adding a mobile app

You probably need this if…

  • Orders arrive by inbox message and get lost or mis-typed
  • Your current app is slow, crashes, or nobody can update it
  • You need iOS and Android but cannot afford two separate teams
  • A previous freelancer disappeared and left half-finished code
Capabilities

What's included in App & Web Dev

Pick only what you need — or let us combine them into one roadmap.

Web apps

  • Customer portals & dashboards
  • Marketplaces & booking platforms
  • Progressive Web Apps (PWA)
  • Real-time features (chat, live status)
  • Multi-language & multi-currency
Process

How we deliver

01

Product discovery

Users, core journeys and the smallest version that delivers real value.

02

UX & UI design

Clickable prototypes tested before a line of production code is written.

03

Agile build

Weekly releases to a staging app you can install and try.

04

QA & launch

Device testing, performance checks, store submission and go-live.

05

Grow & maintain

Analytics-led improvements, updates and uptime monitoring.

Tools & stack

Built with proven tools

ReactNext.jsAstroReact NativeFlutterNode.jsPostgreSQLSupabaseStripeShopifyVercelAWS

Ways to work with us

MVP sprint

A focused first release of your core product with a fixed scope.

Product team

An ongoing design + engineering squad working through your roadmap.

Rescue & takeover

We audit, stabilise and continue an existing codebase.

FAQ

App & Web Dev — common questions

Native or cross-platform?

For most products, one cross-platform codebase (React Native or Flutter) gives near-native quality at roughly half the cost. We recommend native only when the product truly needs it.

Can you take over an existing app?

Yes. We start with a code and infrastructure audit, fix the critical issues, then continue development.

Do you handle hosting and app store publishing?

Yes — cloud setup, domains, SSL, CI/CD and App Store / Play Store submission are part of delivery.

How do you keep the project on track?

Short sprints, a shared board and a weekly demo. You always know what was built, what is next and what it costs.

Free consultation

Let's talk about your App & Web Dev project

Share a few details — we'll come back with honest advice, a rough scope and next steps.

  • Reply from a real strategist, not a bot
  • Clear scope, timeline and price before any work
  • Bangla or English — your choice

App & Web Development — free consultationGet started