Custom Software Development

When a ready-made product isn't enough, we build it for you.

A dedicated software studio for businesses that need their own platform. We design, build, deploy, and support custom SaaS, CRM, ERP, internal tools, and AI systems — on web, WhatsApp, or both.

What we build

Software for any business need

SaaS Platforms

Multi-tenant SaaS products — built, launched, and scaled for your market.

CRM Systems

Sales and customer platforms designed around how your business actually sells.

ERP Systems

Operations, inventory, and resource planning unified in one system of record.

Internal Tools

Dashboards and admin systems that replace spreadsheets and manual work.

AI Systems

AI-powered workflows, agents, and automation embedded into your operations.

Enterprise Software

Secure, role-based platforms built to enterprise standards and scale.

The process

A clear path from idea to deployed software

No black boxes. You know exactly what's happening at every stage.

01

Discovery

We map your workflows, goals, and the ROI we're targeting before a line of code.

02

Planning

A clear scope, system architecture, and timeline — so you know exactly what you're getting.

03

Development

We build your software with weekly demos and tight feedback loops.

04

Deployment

Launched, integrated with your tools, and configured around your data.

05

Support

Ongoing monitoring, improvements, and a team that keeps your software sharp.

Capabilities

What Harmiz CustomOS delivers

Production-grade building blocks we combine into your platform.

Multi-tenant SaaS platforms
Custom CRM systems
ERP & operations systems
Internal tools & admin dashboards
AI-powered workflows & agents
Enterprise-grade, role-based platforms
WhatsApp-operable interfaces
Third-party & API integrations

Use cases

What businesses build with CustomOS

Replace spreadsheets and manual processes with one custom platform
Launch a multi-tenant SaaS product for your market
Unify operations, inventory, and resources in a custom ERP
Automate internal workflows with AI agents
Build a sales/customer CRM around how your team actually sells
Operate a bespoke platform directly from WhatsApp

Industries served

Custom software for any industry

FitOS and EduOS cover fitness and education. CustomOS covers the rest.

Healthcare & wellness
Real estate & property
Retail & e-commerce
Professional & local services
Logistics & operations
Finance & enterprise

FAQ

Custom software questions

What is Harmiz CustomOS?

Harmiz CustomOS is Harmiz's custom software development service. We build bespoke SaaS platforms, CRM and ERP systems, internal tools, AI systems, and enterprise software, tailored to your business and operable on web, WhatsApp, or both.

What kinds of software can Harmiz build?

SaaS platforms, CRM systems, ERP systems, internal tools and admin dashboards, AI-powered workflows and agents, and enterprise software — for any industry.

How is CustomOS different from FitOS and EduOS?

FitOS and EduOS are ready-made products for fitness and education. CustomOS is built from scratch around your specific workflows when a ready-made product isn't enough.

How does the custom build process work?

We follow a clear path: discovery, planning, development with weekly demos, deployment, and ongoing support — so you always know what's being built and when it goes live.

Which industries does Harmiz build custom software for?

Any industry — including healthcare, real estate, retail, professional services, logistics, and finance — wherever a business needs software built around how it operates.

FitOSLive for gyms & studios
EduOSLive for coaching institutes
< 8 weeksAverage time to production
WhatsApp + webEvery platform, both surfaces
UPI · GST · INRIndia-first infrastructure
Bengaluru, INEngineering team base

Have a project in mind?

Tell us what you're trying to automate. We'll scope it and show you what's possible.

Book a build call
RMASVN

FitOS + EduOS · 200+ businesses running live