Billing & Invoicing Software Development
Invoices out faster. Payments followed up properly.
We build billing systems that produce your documents exactly the way you need them — numbering, tax, terms and layout — and keep track of what's been paid, what's overdue and what's been returned. Our own Core ERP, BizCore and ServiceGrid products are built on the same billing foundations.
Sound familiar?
- Invoices are typed in Word or Excel and numbering goes wrong
- Nobody knows exactly who owes what
- Tax totals are checked by hand before filing
- Returns and credit notes are tracked on paper
What it does
Typical modules.
Quotations, GST or VAT invoices, payments, credit notes and outstanding balances — built for your documents. Every module is shaped to your workflow — these are the building blocks we usually start from.
01
Quotations
Draft, send, accept and convert to invoices.
02
Invoices
GST or VAT invoices with your numbering, terms and layout.
03
Payments
Full and partial payments, receipts and balances.
04
Credit notes
Returns and adjustments linked to the original invoice.
05
Customers
Customer records with tax numbers and statements.
06
Reports
Sales registers, outstanding balances and tax summaries.
Where it fits.
Traders & distributors
Invoices tied to stock and customer balances — as in Core ERP.
Service firms
Service catalogues and recurring client invoices — as in BizCore.
Restaurants & counters
Point-of-sale billing with tax and payment methods — as in ServiceGrid.
Clubs & memberships
Member billing and account statements — as in ClubLedger.
Business benefits
Get paid sooner
Outstanding balances are visible and easy to follow up.
Fewer billing errors
Tax, totals and numbering are calculated, not typed.
Audit-ready records
Every invoice, payment and credit note is linked and kept.
How we build it
From workflow to working software.
You see and try the system at every stage. Nothing goes live until your team is trained and your data is checked.
Step 1
Workflow discovery
We map how the work happens today — people, documents, approvals and the exceptions — and agree what the first release must do.
Step 2
Document design
Invoice, quotation and receipt layouts agreed against your current documents.
Step 3
Clickable prototype
Your team tries the key screens before we build them, so changes are cheap.
Step 4
Rollout & support
Data migration, role-based training, go-live support and ongoing improvements from the same team.
What you can customise
- Invoice layout & numbering
- Tax setup
- Payment methods
- Terms & conditions templates
- Customer statements
- Exports for your accountant
Technologies
Chosen per project from the stack we use in delivered work.
- Next.js
- TypeScript
- Node.js
- PHP
- MySQL
- PDF generation
Built on proven foundations
We run this kind of software ourselves.
These are our own products. Custom builds reuse their foundations where it helps — or you can start from the product and extend it.
Common questions
Is the billing software GST-ready?
Yes. Invoices carry GSTIN, HSN codes and tax breakdowns for India; VAT invoicing is supported for Oman and the GCC. Your specific filing needs are confirmed during discovery.
Can invoices be printed and emailed as PDF?
Yes. Invoices, quotations and receipts can be printed or downloaded as PDF in your own layout.
Can it connect to our accounting software?
We can export data in the format your accountant needs, and build integrations where the accounting system offers an API.
Discuss your requirements
Tell us how your business works.
Describe the problem and the workflow behind it. We'll reply within one business day with questions, a recommended approach — custom, product or both — and next steps.
- A free discovery call
- An honest build-or-buy recommendation
- An itemised proposal with a timeline