BeltStack

Best Payment Processing Software for General Contractors (2026)

Draw schedules, retainage, multi-stakeholder jobs, and reporting leadership expects—without peer-to-peer chaos.

General contractors move large sums across deposits, progress draws, and final payments. Processors should support milestone-based flows, professional receipts owners forward to lenders, and reconciliation that survives multi-job portfolios.

Updated for 2026

Top picks for this use case

Our top payment processing picks for general contractors.

Best milestone & portal flows4.7From Per transaction

Stripe

Hosted Checkout and Payment Links for contract-aligned draws when owners and lenders expect documentation.

Best interchange-plus transparency4.5From Interchange-plus

Helcim

When commercial cards and large draws make flat-rate bundles expensive—if you will read statements.

Best job-site & punch capture4.6From Per transaction

Square

Readers for walkthrough finals and smaller change orders when money still changes hands on site.

Compare options

Side-by-side at a glance.

SoftwareBest forStarting priceStandout featureReview
Stripe
Structured drawsPer transactionPayment Links, Billing, APIsRead review
Helcim
Large-ticket mathInterchange-plusTransparent interchange-plusRead review
Square
Field collectionsPer transactionReaders, POS, invoicesRead review

What to look for

What to evaluate when you collect card payments as general contractors.

Retainage and lien awareness

Payment timing affects cash and risk—mirror contract language in your systems.

Owner and lender receipts

Professional descriptors reduce confusion when funds move in stages.

Separate projects

Use job IDs consistently across processor memos and accounting.

Avoid informal apps

Peer-to-peer tools break audit trails—keep money in merchant-of-record flows.

Why we recommend these tools

Why these processors fit general contractors.

Stripe

Best milestone & portal flows4.7From Per transaction

Stripe supports GC workflows where draws must match contract language—deposit, rough-in, dry-in, final—with descriptors owners recognize. Webhooks into accounting reduce ‘paid in QuickBooks but not in project software’ drift. Validate roles so assistants cannot issue refunds casually. Stripe fits when BD and project teams need programmable money movement beyond simple swipes.

Helcim

Best interchange-plus transparency4.5From Interchange-plus

Helcim appeals on large commercial draws and high-ticket residential GC work where interchange-plus clarity beats marketing flat rates—provided finance reviews monthly. Trial parallel math against incumbent processors on the same ticket mix. Confirm virtual terminal workflows for office staff while supers stay mobile. Choose Helcim when data supports it, not brand curiosity.

Square

Best job-site & punch capture4.6From Per transaction

Square remains practical when supers collect final balances or smaller T&M additions on-site—fast hardware adoption beats perfect APIs for some field teams. Enforce memos tied to change orders. Square complements Stripe when your business still mixes site collections with portal draws.

For more options across all use cases, see our Best payment processing software (2026) — full roundup. To compare platforms side-by-side, see our Compare payment processing software.

FAQs

Quick answers for this use case.