We design & build custom software that powers Indian businesses.
Bespoke ERPs · SaaS Platforms · Custom CRMs · React Native Mobile Apps. The Tab Theory turns complex workflows into high-performance software — engineered end-to-end by senior tech founders.
Custom Software Development for Indian Enterprises & Fast-Growing Startups
The Tab Theory is an engineering-driven custom software development company in India headquartered in Gurgaon, Haryana. We build high-throughput custom ERP systems, high-conversion CRM platforms, multi-tenant SaaS products, and React Native mobile applications. Founded and operated directly by senior software engineers — Gorav, Nakul, and Angad Yadav — we operate with zero junior handoffs or outsourcing. Clients receive 100% intellectual property ownership, complete source code handover, and transparent 3-slab pricing: ₹2,000/hr on-demand consulting, ₹1,800/hr dedicated sprint pods (minimum 30 days / ~₹10,00,000+ commitment), and custom enterprise scopes.
Software for every layer
of your business.
From internal ERPs to customer-facing SaaS — designed, developed, deployed and maintained by one team. Click any service to learn more.
ERP Systems
Custom ERP for inventory, HR, accounts, production and reporting — one dashboard for your whole operation.
Explore ERP → 02SaaS Products
Multi-tenant cloud products — subscriptions, billing, admin panels and analytics, built to scale from day one.
Explore SaaS → 03CRM Platforms
Lead pipelines, follow-ups, WhatsApp/email automation and sales reports — CRMs your team will actually use.
Explore CRM → 04Mobile Apps
iOS + Android apps in React Native from a single codebase — fast delivery, native feel, one team to maintain it.
Explore Apps → 05Web Platforms
High-performance websites, portals and dashboards in React + Tailwind — pixel-perfect, SEO-ready, blazing fast.
Explore Web → 06APIs & Backend
Secure REST APIs on Node/Express or Laravel with MongoDB — auth, payments, integrations and clean documentation.
Explore Backend →Built for your industry.
Every business runs differently. We've shipped software across these domains — and we learn yours fast.
Modern tools.
Battle-tested choices.
We pick technology for longevity and speed — the same stack powering the world's best products.
React JSFrontend
Node JSRuntime
Express JSAPI framework
MongoDBMongoose ODM
TailwindStylingReact NativeiOS + Android
LaravelPHP framework
PHPBackend
JavaScriptEverywhere
CloudDeploy & scaleProducts we've shipped.
Real software solving real business problems — from lead management to full factory operations.
Manufacturing ERP
Inventory, production planning, payroll and GST billing for a mid-size manufacturer — replaced 6 spreadsheets and 2 legacy tools.
Real Estate CRM & Mobile App
Lead pipeline, site-visit scheduling and WhatsApp follow-ups with a React Native app for the on-ground sales team.
Subscription Billing SaaS
Multi-tenant invoicing platform with GST compliance, payment gateway integration and a self-serve admin panel.
Why teams choose us.
Founders build your product
No junior handoffs, no account managers in between. You talk directly to the senior engineers writing your code.
Transparent rates: ₹2,000 & ₹1,800/hr
On-demand hourly at ₹2,000/hr or dedicated sprints at ₹1,800/hr. Transparent timesheets, written scope, zero hidden fees.
Weekly live demos
Every Friday you see your product running — not screenshots, not promises. Feedback goes into the next sprint.
Cloud-native from day one
Every build ships with deployment, backups, monitoring and SSL configured — not left as "phase 2".
Code you own, fully
Complete source code, documentation and credentials handed over. No lock-in, no hostage situations.
Support after launch
Free support period on every plan, then affordable AMCs. We stay accountable long after go-live.
Idea to launch, in four sprints.
Discover
We map your business flows, users and goals into a clear product spec.
Design
Wireframes to polished UI — approved by you before a line of code.
Develop
Agile sprints with weekly demos. You watch the product come alive.
Deploy & Grow
Cloud deployment, monitoring, and ongoing support as you scale.
Trusted by growing businesses.
"They replaced our Excel chaos with a proper ERP in three months. Production, billing, payroll — everything in one place now. Best decision we made."
"Our sales team actually uses this CRM — that says everything. The WhatsApp integration alone paid for the project in two months."
"Weekly demos meant zero surprises. They delivered our app on time, on budget, and the code quality impressed our in-house team."
Questions, answered.
What does The Tab Theory build?
How much does custom software development cost in India?
Which technologies does The Tab Theory use?
Where is The Tab Theory located and who do you serve?
How long does it take to build an ERP, CRM or mobile app?
Let's build your product.
Free discovery call. Sprint roadmap & technical estimate in 48 hours. No obligation.
Book a discovery call →