Invoicing Software for Construction Businesses
Track job costs, bill by project phase, and get paid before you move to the next site. BillNama helps general contractors, builders, and specialty trades apply the right Sales Tax, bill materials and labor separately, and turn every project into a paid invoice — from the office or the job site.
What Is Invoicing Software for Construction Businesses?
Construction invoicing software breaks a project into phases, tracks materials, labor, and subcontractor costs against it, and bills each milestone or change order as work progresses — instead of one invoice at the very end. BillNama applies the correct Sales Tax automatically wherever it applies, keeps every project under one client record, and lets you send the invoice from your phone before you leave the site.
Estimate vs. invoice: an estimate sets the scope and price before you break ground; an invoice is what you bill as each phase or change order is completed. BillNama lets a client approve an estimate and converts it into an invoice with one tap.
Everything Your Construction Business Needs
From the first estimate to the final draw, BillNama keeps every project, client, and invoice in one place.
Progress & Milestone Billing
Break a project into phases and invoice each one as it’s completed, instead of billing the whole job at once.
Materials, Labor & Equipment Line Items
Itemize materials, labor hours, subcontractor costs, and equipment rental on every invoice.
Change Orders
Add a change order as a new line item or a separate invoice, so billing always matches the approved scope.
Automatic Sales Tax Calculation
Set your state once. BillNama applies the correct Sales Tax on every invoice, wherever it applies.
Mobile Invoicing from the Job Site
Create, send, and get paid from your phone or tablet — no office visit required.
Get Paid Faster
Share a payment link or take a card on-site, so you’re not chasing invoices after the phase is done.
From Estimate to Final Payment in 3 Steps
Estimate the Project
Send a client an estimate for the full scope, materials, and labor before work begins.
Bill by Phase or Change Order
Invoice each milestone as it’s completed, or add a change order without redoing the whole estimate.
Get Paid & Track Job Costs
Collect payment on-site or online, and see exactly what’s billed, collected, and still owed per project.
Built for Every Construction Trade
General Contractors
Manage every phase, subcontractor cost, and change order under one project record.
Builders & Developers
Bill draws by milestone and keep every project’s invoices and payments organized.
Remodeling & Renovation Contractors
Quote the job, bill phases as they’re completed, and handle change orders without friction.
Electrical & Plumbing Subcontractors
Invoice call-outs, materials, and labor separately, with tax applied correctly every time.
Roofing, Flooring & Painting Trades
Bill one-off jobs or multi-phase projects, and send invoices straight from the site.
Masonry & Specialty Trades
Itemize materials and hourly labor on every job, and get paid before you move on.
More Than Invoicing — Run Your Whole Construction Business
Construction invoicing connects directly to the rest of BillNama, so an estimate, a project, and a payment all live under the same customer record.
Quotations & EstimatesEstimates clients can approve into invoices
Invoice SignaturesGet sign-off on an invoice or change order
ExpensesTrack materials & subcontractor costs per job
Customer LedgerEvery client’s full balance & history
Recurring InvoicesAutomate maintenance & service contracts
Send Invoice on WhatsAppReach clients where they reply fastest
Reports & EarningsWhat you’ve billed, collected & are owed
Multi-Currency InvoicesBill out-of-area clients correctly
GST InvoicesCGST/SGST/IGST & HSN/SAC handled
VAT InvoiceUK, EU & Gulf VAT formats built in
Proforma InvoicesConfirm a project before you bill it
Why Construction Businesses Choose BillNama
- Bill by project phase, not just the whole job at once
- Sales Tax calculates itself, so invoices stay state-correct
- Materials, labor, and subcontractor costs stay itemized and easy to track
- Free forever plan — no card required to send your first invoice
Frequently Asked Questions
What is the best invoicing software for construction businesses?
The best invoicing software for construction businesses lets you estimate a project, bill it in phases or by change order as work progresses, and collect payment without chasing clients. BillNama does all three from one app, and calculates Sales Tax automatically wherever it applies.
Does BillNama calculate Sales Tax for construction invoices?
Yes. Set your business state and BillNama applies the correct Sales Tax automatically — tax rules for materials and labor can vary by state, and BillNama keeps your invoices compliant either way. GST and VAT are supported too for international clients.
Can I bill a project in phases or milestones?
Yes. Break a project into phases or milestones and invoice each one as it’s completed, instead of billing the whole job at once.
Can I add a change order to an active project?
Yes. Add a change order as a new line item or a separate invoice against the same project, so your billing always matches the approved scope.
Is BillNama’s invoicing software free for construction businesses?
Yes. BillNama’s free forever plan lets you create up to 2 invoices a month with no credit card required. Paid plans remove that limit and add features like team access and advanced reporting.
Can I invoice for materials, labor, and equipment rental separately?
Yes. Add materials, labor hours, subcontractor costs, and equipment rental as separate line items on the same invoice, so every project stays itemized.
Can I send an estimate and convert it into an invoice?
Yes. Send a client an estimate for the project, and once they approve it, convert it into an invoice in one tap — no re-entering scope or client details.
Can clients pay an invoice online or on-site?
Yes. Invoices can include a payment link so clients pay directly, and you can see the moment an invoice is viewed and paid — whether you’re still on-site or back at the office.
Can I get client sign-off on an invoice or change order?
Yes. Get sign-off directly on the invoice, so a change order or completed phase is approved before you move on to the next one.
Can I send invoices through WhatsApp?
Yes. BillNama can send the full invoice, including a pay-online link, directly through WhatsApp instead of email.
Can I create GST or VAT invoices if I also work with international clients?
Yes. Set the client’s country and BillNama applies GST (India) or VAT (UK/EU/Gulf) automatically, alongside your standard U.S. Sales Tax invoices.
Which construction trades can use BillNama?
General contractors, builders, remodeling and renovation contractors, and specialty trades — electrical, plumbing, HVAC, roofing, flooring, painting, and masonry — all use BillNama to estimate, invoice, and get paid.
Ready to Bill Every Project Phase in Seconds?
Join 38,000+ businesses using BillNama to estimate, invoice, and get paid faster — free forever.