Custom Software Development
Off-the-shelf software gets you most of the way, until the part that makes your business different doesn't fit. That's where custom software earns its cost. We build SaaS products, internal tools that replace spreadsheets, CRMs shaped around your sales process, customer and vendor portals, and multi-vendor marketplaces. We work mainly in Laravel, Node.js and Next.js on PostgreSQL or MySQL, a mainstream stack that any developer you hire later will know. EliteLedger, our own accounting SaaS, and Renton, a rental marketplace, were built this way.
Sound Familiar?
The problems that usually bring people to us for custom software development.
- Your team runs the business on spreadsheets, WhatsApp groups and copy-paste.
- The software you pay for per seat covers most of what you need, and the rest is manual work.
- You have a SaaS idea and need a first version real customers can use.
- An older system still works, but every change takes weeks because nobody wants to touch the code.
- Customer, order and stock data lives in three tools that never agree.
What We Build
SaaS Products
Multi-tenant platforms with subscriptions, roles, audit logs and billing. EliteLedger is ours.
Internal Tools
Admin panels, approval flows and dashboards that replace spreadsheets and email chains.
CRMs & Sales Systems
Lead capture, pipelines, follow-up automation and reporting shaped around your sales process.
Portals
Customer, vendor and partner portals with secure logins, documents, orders and messaging.
Marketplaces
Vendor onboarding, commission rules, split payments and payouts, with dashboards for each side.
Modernisation
Upgrading or rewriting ageing PHP and JavaScript systems in stages, without stopping the business.
Services include
- SaaS product development, from first version to multi-tenant platform
- Internal tools and admin panels that replace spreadsheets
- CRMs and sales pipelines built around your process
- Customer, vendor and partner portals
- Multi-vendor marketplaces with commissions and payouts
- Booking, scheduling and on-demand service platforms
- Rewrites and upgrades of ageing PHP and JavaScript systems
- Integrations with ERPs, payment gateways, WhatsApp and email
Why work with us
Built Around Your Workflow
We map how your team works today, then design the software around it, not the other way round.
A Stack You Can Hire For
Laravel, Node.js, React and PostgreSQL are mainstream, so any competent team can take the code over later.
Useful Early, Then Better
We ship a usable first version early and add features based on how people actually use it.
You Own It
Code, database and IP are yours on final payment. No per-seat licence fees and no lock-in.
Technologies
Related Case Studies
Projects where we did custom software development work.
Chatify: Real-time Messaging SaaS
- Problem
- The team needed end-to-end encrypted messaging and calls they could host themselves.
- What we did
- Secure, real-time communication platform utilizing WebRTC and Socket.io to offer video calls, group chats, and end-to-end encryption.
Custom CRM Platform: Sales Automation & Reporting
- Problem
- Leads and customer data were spread across spreadsheets and messaging apps, with manual follow-ups and little reporting.
- What we did
- Custom CRM platform for a growing B2B sales organisation: lead management, automation, dashboards, and secure role-based access.
EliteLedger: Cloud Accounting SaaS
- Problem
- Many Indian SMEs still ran their accounts on single-computer desktop software.
- What we did
- Kevion-owned GST cloud accounting SaaS for Indian SMEs, featuring invoicing, party ledgers, multi-location inventory, user reviews, and tax reporting workflows.
Multi-Vendor Marketplace: E-Commerce Platform
- Problem
- The operator wanted to become a marketplace, but seller onboarding, commissions and payouts couldn't be run by hand.
- What we did
- Custom multi-vendor marketplace with vendor onboarding, a commission engine, automated payouts, vendor dashboards, and admin analytics.
Renton: Verified Rental Directory
- What we did
- Kevion-owned broker-free rental marketplace concept with map-based property discovery, verified listing workflows, direct tenant-owner communication, and user feedback.
How the Work Runs
- 01
Discover
We learn how the work happens today, who uses the system, and what a successful first release looks like.
- 02
Scope & Design
We agree features, data model and screens, then show you clickable wireframes before building.
- 03
Build
Two-week sprints with a demo at the end of each. Every change is reviewed before it merges.
- 04
Test
We test the real workflows, permissions and edge cases on a staging server you can use too.
- 05
Launch
We migrate data, deploy, and stay close during the first weeks of real use.
- 06
Grow
Monthly development and support as your team asks for the next set of improvements.
Working Together
Pick the arrangement that fits. You can change it as the work changes.
Founders
Need a first version of a SaaS product that is solid enough to charge for.
Growing Businesses
Have outgrown spreadsheets and generic tools, and need software that fits how they operate.
Operations Teams
Want to automate the approvals, handoffs and reports that eat hours every week.
Agencies
Need a dependable development partner for client builds, including white-label work.
Fixed-Scope Build
A defined first version with an agreed price and timeline. Best when the requirements are clear.
Dedicated Developer
A senior developer working on your product every month, for evolving roadmaps.
Learn more →More on contracts, IP and pricing: How we work · Pricing
Custom Software Development FAQ
Common questions about custom software development.
How do you scope a custom software project?
We start by learning how the work happens today and who will use the system. That becomes a written scope with the first release's features, screens and data model, plus an estimate, before development starts.
Do you build MVPs for startups?
Yes. We help you cut the first version down to what's needed to get real users, build it on a stack that won't need rewriting, and then grow it from feedback.
Which technologies do you use?
Mostly Laravel or Node.js on the backend, Next.js or React on the frontend, and PostgreSQL or MySQL. It's a mainstream stack, so you can hire for it later.
Can you replace or modernise an old system?
Yes, usually in stages: we keep the old system running, move one area at a time, and migrate the data with checks, so the business never stops.
Do we own the code?
Yes. On final payment the source code and IP are transferred to you, with repository access, deployment notes and documentation. There are no licence fees to us.
Related Reading
Other custom software services
Have a Process That Needs Its Own Software?
Tell us how the work happens today and where it breaks. We'll reply within one business day with questions and a rough plan.
Ready to Start Building?
Tell us what you're working on. We reply to every enquiry within one business day (Mon–Sat, IST) with questions, a rough timeline and a quote. No obligation.
Not ready for a full build? Start with a free call or a small, paid discovery phase. see how we keep it low-risk.
General Enquiries
info@keviontechnologies.in
Support
support@keviontechnologies.in
Call Us
+91 75730 55757
Our Promise
A senior team member reads every enquiry and replies personally within one business day. In the UK, UAE or US? Tell us your time zone and we'll book a call that suits you.