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⚡ Registered & Award-Winning Software Studio

Architecting High-Performance Web & App Ecosystems.

We transform complex business requirements into conversion-focused web portals, robust mobile applications, and enterprise SaaS platforms built for scale.

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1200+ Projects Delivered
99.4% Client Retention
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01import { OS Lab Core } from '@os/engine';
02
03// Define custom client architecture
04export const ApplicationStack = {
05 frontend: ['React 19', 'Next.js', 'Tailwind CSS'],
06 backend: ['Node.js', 'Laravel', 'Python'],
07 database: ['PostgreSQL', 'Redis'],
08 performanceScore: 99.8,
09 securityLevel: 'Bank-Grade',
10};
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Average Page Load Speed
0.42 Seconds (Core Web Vitals Optimized)
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Adjust variables to get an instant scope estimate, feature breakdown, and baseline delivery timeline.

Project Scope Breakdown
₹ 7,999
Includes 1 Year Free Domain, Cloud Hosting & SSL Certificate
  • Estimated Timeline 7 - 10 Days
  • Support Inclusion 1 Year 24/7
  • SEO Readiness 100% Core Vitals
Engineering Capabilities

End-To-End Tech Services

Tailored software engineering, digital strategy, and scalable platform development.

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Custom Web Engineering

Lightning-fast single page applications and server-rendered web systems designed for conversions.

React Next.js Tailwind TypeScript
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E-Commerce Platforms

Scalable online storefronts with payment gateways, wallet systems, inventory control, and auto-invoicing.

Shopify WooCommerce Custom Laravel
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Mobile App Development

Cross-platform iOS and Android apps with native smoothness, offline support, and push notifications.

Flutter React Native Kotlin
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Enterprise ERP & CRM

Centralized business management portals streamlining HR, inventory, payroll, and automated reporting.

Node.js Python Frappe
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SEO & Digital Growth

Data-driven search engine optimization, technical site audits, Google Ads management, and growth marketing.

Search Console Analytics PPC
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UI/UX & Brand Identity

User-centric design systems, clickable Figma prototypes, motion graphics, and corporate visual identities.

Figma Adobe XD Design Systems
Technology Stack

Mastery Across Modern Stacks

We select battle-tested tools to guarantee high availability, speed, and long-term maintainability.

Selected Case Studies

Built For Results

Explore recent web applications and platforms engineered by OS Developer.

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E-Commerce // Custom Shopify

Aura Luxe Fashion Marketplace

High-converters e-commerce platform with multi-currency checkout, dynamic wishlist, and instant inventory sync.

Conversion Lift: +42%
Speed Index: 0.38s
Request Live Demo
Web Portal // Next.js & Node

FinPulse Analytics Dashboard

Real-time financial monitoring system handling 100k+ daily transactions with encrypted sockets.

Uptime: 99.99%
Latency: 14ms
Request Live Demo
SaaS // Laravel & Vue

LogiX ERP Warehouse Engine

Integrated supply chain management software automating multi-location dispatching and billing.

Efficiency Gain: 3.5x
Modules: 12 Active
Transparent Pricing

Straightforward Investment Plans

Zero hidden charges. Complete ownership of code, assets, and hosting accounts.

Standard Plan

Ideal for startups & small businesses

₹ 7,999 ₹ 10,000
  • Up to 5 Responsive Pages
  • 1 Year Free (.com / .in) Domain
  • 1 Year High-Speed Cloud Hosting
  • Free SSL & Security Certificate
  • WhatsApp & Live Chat Buttons
  • Dynamic Inquiry Form
  • 1 Year Technical Support
Select Standard Plan
Most Popular

Premium Business Plan

Complete web platform with admin access

₹ 13,999 ₹ 20,000
  • Up to 12 Responsive Pages
  • Full Lifetime Admin Panel Access
  • Google Search Console Setup
  • 1 Year Free Domain & Hosting
  • WooCommerce / Product Features
  • 10 Professional Business Emails
  • 24/7 Hosting & Tech Support
Select Premium Plan

E-Commerce Enterprise

Custom online store with full automation

₹ 21,999 ₹ 30,000
  • Up to 30 Product Categories
  • Payment Gateway Integration
  • Auto Invoice & PDF Generator
  • Wallet & Coupon System
  • OTP Order Verification
  • Order Tracking Notifications
  • Dedicated Account Manager
Select E-Commerce Plan
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Let's Engineer Your Vision

Have a project in mind or need technical guidance? Reach out to our engineering team directly. We respond within 2 hours.

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Direct Line
+91 7439560355
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Email
osbrothersbusiness@gmail.com
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Headquarters
Kolkata, West Bengal, India

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