Billing software for contractors & waterproofing
Billing software for contractors turns site measurements into quotations, then into running account (RA) bills as work progresses, with material and labour shown separately and retention held back. It suits civil, waterproofing, interior and MEP contractors who bill per job, per square foot or per milestone.
Common billing problems in contractors & waterproofing (and how to fix them)
- Quotations made by hand after every site visit
- Running bills that do not match the quote
- Retention money forgotten
- Material and labour mixed together
- Payments delayed on every milestone
How billing software helps contractors & waterproofing
Win jobs faster
Quote on site while the customer is still interested.
Bills that match the quote
RA bills follow the quotation line by line.
Retention tracked
Never forget retention money due at handover.
Cash in on time
Milestone reminders keep payments moving.
Contractors & waterproofing billing software features
- Area-based quotations (sq ft / sq m)
- Running account (RA) bills
- Retention and advance adjustments
- Separate material and labour lines
- Site photos on quotations
- Milestone payment reminders
Billing software for contractors & waterproofing in action
Example scenario: a terrace waterproofing job. An illustration of a typical billing cycle, not a customer case study.
- 1
After a site visit, the contractor measures 1,200 sq ft and sends a quotation from a phone, with site photos, before leaving.
- 2
Work runs over three weeks. Each running account (RA) bill shows previously billed amounts and the current claim, with 5% retention held.
- 3
At handover, the retention is released on the final bill and the payment reminder goes to the society secretary.
Sample contractors & waterproofing invoice format
| Item | Qty | Rate |
|---|---|---|
| Terrace waterproofing – membrane (sq ft) | 1200 | 65 |
| Crack filling & surface prep (sq ft) | 1200 | 12 |
| Labour – 2nd RA bill | 1 | 18,000 |
| Taxable value | 1,10,400 | |
Use it as a contractors & waterproofing billing app: create and share this invoice from any phone in three steps: set up items, create the invoice, share on WhatsApp and collect payment.
Tax and compliance notes for contractors & waterproofing
Works contract services in India are taxed under GST as services; rates depend on the type of project, so confirm the applicable rate for each contract.
AI features in contractors & waterproofing billing software
AI suggestions save time; you review and approve every invoice and message.
Quote from photos and notes
Builds a quotation draft from measurements and site notes.
Material estimates
Estimates material quantities per sq ft from your past jobs.
Margin check
Warns when a quote is below your usual margin.
Payment follow-ups
Drafts milestone reminders for each client.
Billing software integrations for contractors & waterproofing
UPI & Razorpay
Collect payments by UPI QR or payment link on every invoice (India).
WhatsApp Business
Send invoices, statements and reminders on WhatsApp.
Email (Gmail, Outlook)
Send invoices from your own email address.
Tally export
Export sales and receipts for your accountant's Tally books.
Excel & Google Sheets
Import items and customers; export any report.
Webhooks & API
Connect your CRM or any other system.
CA and accountant access for contractors & waterproofing
Separate CA login
Your accountant sees your contractors & waterproofing invoices and payments without your password.
Tax exports on demand
GSTR-1, VAT or sales-tax summaries download whenever your CA needs them.
You stay in control
Choose view-only or edit rights, see every change in the activity log, and remove access in one click.
Billing software vs Excel for contractors & waterproofing: which is best?
| Task | Bill book / Excel | Billing Software by Betterwork |
|---|---|---|
| Tax calculation | Manual, error-prone | Automatic per item |
| Sharing bills | Print or photo | PDF on WhatsApp / email |
| Payment follow-up | Phone calls | Automatic reminders |
| Reports for your CA | Re-typed at month-end | One-click export |
| Stock and dues | Separate registers | Updated with every bill |
Contractors & waterproofing billing software: frequently asked questions
Can I quote per square foot?
Yes, enter area and rate and the quote calculates totals.
Can I raise running bills?
Yes, each RA bill shows previous billing and the current claim.
Can I hold retention?
Yes, retention is deducted and tracked until release.
Can I attach site photos?
Yes, add photos to quotations.
Does it work on site?
Yes, quotes can be made on a phone during the visit.