Service Billing

Every service job. Every invoice. Collected before the technician drives away.

Field service billing breaks when the invoice has to be created back at the office from memory, parts used don't match what was charged, the customer signature is a verbal "yeah sure," and payment collection waits until a mailed invoice is sent and paid 30 days later. HieCOR connects every service invoice directly from the work order — parts, labor, authorization, and payment all handled at the customer's door.

See a 30-minute demo Explore the platform ↓

No commitment required · US-based implementation team

line items re-entered from work order to invoice

everything from the work order carries over automatically

<2 min

invoice ready to send from job close

parts, labor, and account terms reviewed and confirmed

In-field

payment collected at the customer's door

card tap, text-to-pay, or commercial terms — before departure

Auto

post-payment follow-up from every service invoice

review request, warranty reminder, and next service interval

Service Billing Lifecycle

From completed work order to paid invoice — one connected field service billing workflow.

Service billing breaks when invoice creation, parts reconciliation, authorization capture, payment collection, and follow-up all require separate manual steps. HieCOR connects every step from work order close through post-payment follow-up in one field service billing platform.

app.hiecor.com / service / SRV-9942

$HieCOR Create screen$

1Create

Every service invoice starts from the work order — not a blank form.

When a service job is complete, HieCOR creates the invoice directly from the work order — pulling in the customer name, service location, job description, parts used, labor codes, and any approved estimate line items. Zero re-entry. Every line item that was logged on the work order appears on the invoice exactly as documented. The difference between what was quoted and what was billed is always zero.

0Line items re-entered from work order to invoiceCustomer details, parts used, labor codes, and approved estimate items all carry from the work order to the invoice automatically.

✓Invoice created from the work order in one action
✓Customer details and service location pre-populated
✓Parts used and labor codes carry over automatically
✓Approved estimate line items pulled in exactly as approved

See it in action Explore Work Orders →

app.hiecor.com / invoice / create

2Review

Review the invoice and apply final adjustments before sending.

The technician or office team reviews the generated invoice — verifying parts quantities, labor hours, travel charges, and any customer-specific pricing rules — before it is sent for payment. Discounts, warranty coverage deductions, or commercial account terms can be applied at this stage. The invoice is ready to send in under 2 minutes from job close.

<2 minInvoice ready to send from job close to final reviewParts, labor, travel, discounts, and account terms reviewed and confirmed — invoice ready in under 2 minutes from work order close.

✓Parts quantity and labor hours verified at review
✓Travel and diagnostic charges added if applicable
✓Discount, warranty deduction, or account terms applied
✓Invoice preview before sending to the customer

See it in action Explore Retail Invoicing →

app.hiecor.com / estimate / 33410

3Authorize

Capture the service authorization and customer signature before payment.

For service invoices above a configured threshold or for warranty and insurance-billed jobs, HieCOR captures the customer's authorization and signature before payment is collected — on a tablet at the door, via a text link, or through the emailed invoice. The authorization is permanently stored on the invoice record and linked to the work order diagnostic for any dispute.

100%Customer authorizations linked to every service invoiceSignature captured on tablet, text link, or email — permanently stored on the invoice and linked to the work order diagnostic record.

✓Customer signature on tablet, text link, or email
✓Authorization threshold configurable per job type
✓Signature permanently linked to the work order and invoice
✓Authorization required before payment for configured job types

See it in action Explore Estimates & Proposals →

app.hiecor.com / pos / order-complete

4Collect

Collect payment at the door — by card, text-to-pay, or commercial terms.

Service invoices can be paid in the field by card tap, text-to-pay link, or QR code — from the technician's mobile device. Commercial accounts with Net 30 terms are invoiced automatically with the configured payment terms and due date. The moment payment is collected, the invoice status updates, the receipt is sent by text or email, and the parts inventory is reconciled.

In-fieldPayment collected at the customer's door before the technician leavesCard tap, text-to-pay, or QR code — payment collected in the field, receipt sent instantly, inventory reconciled automatically.

✓Card tap and contactless payment on mobile device
✓Text-to-pay link sent from the invoice in the field
✓Commercial account invoicing with configured Net 30 terms
✓Receipt sent by text or email the moment payment posts

See it in action Explore Payments →

app.hiecor.com / fulfillment / order-detail

5Track

See every paid, open, and overdue service invoice from one dashboard.

The service billing dashboard shows every invoice by status — paid, open, overdue, and pending authorization. Filter by technician, job type, customer, date range, and payment method. Alex AI flags parts that were used but not billed. Taylor AI surfaces overdue commercial accounts for follow-up. Jamie AI identifies service customers who have a high lifetime value but unpaid balances that need attention.

LiveEvery service invoice status visible in real timePaid, open, overdue, and pending authorization — every service invoice visible from one dashboard with AI-flagged exceptions.

✓Live invoice status by technician, job type, and customer
✓Overdue account aging with AI escalation alerts
✓Parts used but not billed surfaced by Alex AI
✓Commercial account payment tracking with due date visibility

See it in action Explore Reporting & Analytics →

app.hiecor.com / service / field-ticket

6Follow Up

Turn every paid service invoice into the next service opportunity.

After every service invoice is paid, HieCOR triggers the post-service follow-up workflow — review request at AI-optimized timing, warranty reminder scheduled from the service date, service interval reminder configured for the job type, and repeat service opportunity surfaced by Mark AI for equipment approaching the next service milestone. Revenue from the service relationship extends beyond the single job.

AutoPost-invoice follow-up triggered from every paid service invoiceReview request, warranty reminder, and next service interval all triggered automatically from the paid service invoice record.

✓Review request triggered at AI-optimized timing after payment
✓Warranty reminder scheduled from service completion date
✓Service interval reminder configured for the job category
✓Mark AI surfaces next service opportunity based on equipment history

See it in action Explore Service Reminders →

Core Capabilities

Built for field service billing that closes at the customer's door — not back at the office.

HieCOR connects work order-to-invoice conversion, invoice review, customer authorization, in-field payment collection, billing dashboard, and post-service follow-up in one service billing operating system.

📄

Work order to invoice

Invoice created from the work order in one action — parts, labor, and estimate items all carried over exactly. Zero re-entry, zero discrepancy between what was quoted and what was billed.

Work order to invoice in one actionParts and labor auto-populatedEstimate items carry over exactlyZero re-entry required

🔍

Invoice review

Parts quantities, labor hours, travel charges, and account terms reviewed before sending. Discounts, warranty deductions, and commercial terms applied at this stage.

Parts and labor verificationTravel and diagnostic chargesDiscount and warranty deductionsCommercial account terms

✍️

Customer authorization

Customer signature captured on tablet, text link, or email — permanently linked to the work order diagnostic and stored on the invoice record for any dispute.

Signature on tablet, text, or emailPermanently linked to work orderConfigurable authorization thresholdRequired for warrany and insurance jobs

💳

In-field payment

Card tap, text-to-pay link, or QR code — payment collected at the door from the technician's mobile device. Commercial accounts invoiced with configured terms.

Card tap and contactless mobile paymentText-to-pay from the invoiceQR code payment optionNet 30 for commercial accounts

📊

Billing dashboard

Live invoice status — paid, open, overdue, pending auth — per technician, job type, and customer. AI flags parts not billed and overdue commercial accounts.

Live invoice status dashboardFilter by tech, job, and customerParts-not-billed alerts from Alex AIOverdue account escalation alerts

🔄

Post-service follow-up

Review request, warranty reminder, and next service interval all triggered automatically from the paid service invoice. Service revenue compounds over time.

Review request at AI-timed intervalWarranty reminder from service dateService interval reminder triggeredMark AI surfaces next opportunity

AI Employees

AI working your service billing every day.

HieCOR AI Employees monitor your work orders, invoices, parts, and customer records to flag billing gaps, surface overdue accounts, and trigger the right post-service follow-up automatically.

Mark

Service Technician AI

🔧

→Reviews completed work orders and surfaces parts that were used during the job but not logged — protecting margin by ensuring every part that left the truck appears on the invoice
→Flags work orders where the labor hours logged are inconsistent with the job type and equipment complexity — surfaces them for manager review before the invoice is sent
→Identifies the next service milestone for each customer from the equipment history and schedules the appropriate reminder based on the service type completed

Meet Mark →

Alex

Inventory & Supply Chain AI

📦

→Compares parts used on every work order against parts billed on the corresponding invoice — flags any discrepancy where a part was consumed but not charged to the customer
→Monitors overdue parts purchase orders that affect the ability to complete scheduled service jobs — surfaces PO delays before they cause a second visit
→Surfaces service invoice patterns where specific parts categories are consistently undercharged relative to usage — flags for billing rule review

Meet Alex →

Taylor

Customer Support AI

💬

→Monitors customer messages about service invoices — billing questions, dispute inquiries, and payment confirmation requests — and drafts responses with the work order, invoice, and authorization record pre-loaded
→Flags inbound messages about invoice disputes and routes them to the billing manager with the full work order diagnostic, evidence photos, customer authorization, and payment history already loaded
→Surfaces commercial accounts where the customer has sent a message about the invoice but the account is approaching the payment due date — flags for proactive outreach before it becomes overdue

Meet Taylor →

Morgan

Revenue Growth & Marketing AI

📣

→Triggers review requests at AI-optimized timing after confirmed service invoice payment — excluded for customers with unresolved billing disputes
→Identifies service customers by lifetime invoice value and surfaces the high-value accounts that have been consistently reliable payers for recognition or loyalty outreach
→Surfaces service customers whose billing frequency suggests a recurring service contract opportunity — flags them for the service manager to follow up with a service plan proposal

Meet Morgan →

Why HieCOR

What changes when service billing is connected to the work order.

The operational gaps most field service businesses live with every day — and what HieCOR does differently.

Situation	Without HieCOR	With HieCOR
Creating the invoice after the job	✗Technician drives back to the shop. Office staff re-enters parts from a handwritten list, estimates labor hours, and creates the invoice the next day — parts are wrong, labor is a guess.	✓Invoice created from the work order in one action — parts, labor, and estimate items all carry over automatically, invoice ready in under 2 minutes from job close
Parts used but not billed	✗Technician uses a capacitor but forgets to log it. Part disappears from the truck inventory. Invoice goes out without the $45 part. Margin loss that compounds across dozens of jobs per week.	✓Alex AI compares parts used on the work order against parts billed on the invoice — flags any discrepancy before the invoice is sent to the customer
Collecting payment after a service call	✗Office mails an invoice. Customer gets it in 5 days. Pays in 30 days. Meanwhile, the technician's truck needs restocking and cash flow is strained.	✓Payment collected at the door by card tap or text-to-pay — invoice paid before the technician drives away, receipt sent instantly, cash flow immediate
Customer disputes a service charge	✗No work order documentation. Technician's memory vs the customer's memory. No photos, no authorization, no clear record.	✓Work order diagnostic, evidence photos, customer authorization, and invoice all permanently linked — every dispute resolved with documented proof
Knowing which invoices are overdue	✗Someone manually reviews the AR list once a week. By then, commercial accounts are 30+ days past due.	✓Live billing dashboard shows every overdue invoice — AI flags aging accounts before they need to be escalated, automated payment reminders sent at configured intervals
Follow-up after a service invoice is paid	✗Nothing happens automatically — review request depends on the technician asking, next service reminder depends on someone remembering.	✓Review request triggered at AI-optimized timing. Warranty reminder scheduled from the service date. Next service interval triggered automatically from the job type.

Use Cases

Built for every type of field service billing scenario.

HieCOR Service Billing works for appliance repair, HVAC, plumbing, electrical, garage door, equipment service, and any field service business that bills customers at the point of service.

Residential repair

The appliance repair invoice at the door

Technician completes the washer repair, logs the lid switch and labor from the work order on their mobile device. Invoice is created from the work order in one click. Customer signs the service authorization on the technician's tablet. Technician taps the customer's card on their mobile reader. Receipt sent by text. Technician drives away — job closed, paid, and follow-up scheduled — in under 5 minutes after the repair.

Invoice created from work order in one click
Customer signs authorization on the technician's tablet
Card payment collected on mobile — receipt sent by text immediately

Commercial account

Net 30 service billing for a business customer

Your commercial refrigeration customer has 8 service calls this month across 3 locations. Each job closes with an invoice generated from the work order, billed to the commercial account with Net 30 terms. HieCOR tracks each invoice's due date and sends automated reminders at 15 days and 5 days before due. Alex AI flags the one invoice where a refrigerant charge was used but not billed before it is sent.

8 invoices billed to commercial account with Net 30 terms
Automated payment reminders at 15 and 5 days before due
Alex AI catches the missing refrigerant charge before invoicing

Warranty service

Invoice and authorization for a warranty claim

Technician completes a warranty repair — the part is covered but the diagnostic labor is not. HieCOR generates the invoice with the covered part deducted and the labor billed. Customer signs the service authorization on the tablet. Invoice sent to the customer for the labor balance. The warranty claim documentation — work order diagnostic, evidence photos, parts, and authorization — is attached to the invoice record and ready for submission.

Covered part deducted, billable labor invoiced correctly
Customer signs authorization before payment is collected
Warranty claim documentation package generated from the work order

FAQ

Questions buyers usually ask first.

Everything buyers ask before deciding whether HieCOR is the right platform.

AwarenessCan HieCOR create a service invoice directly from a work order?

Yes. When a service job is complete, HieCOR creates the invoice from the work order — pulling in the customer details, parts used, labor codes, and any approved estimate line items automatically. Zero re-entry between the work order and the invoice.

AwarenessCan service payments be collected in the field?

Yes. Technicians can collect payment by card tap, text-to-pay link, or QR code from their mobile device at the customer's door. Commercial accounts can be invoiced with configured Net 30 or other payment terms. Receipt is sent by text or email the moment payment is collected.

AwarenessDoes HieCOR capture customer authorization on service invoices?

Yes. Customer authorization and signature can be captured on a tablet at the door, via a text link, or through the emailed invoice. The authorization is permanently stored on the invoice record and linked to the corresponding work order diagnostic for any dispute.

EvaluationHow does HieCOR ensure parts used match parts billed?

Alex AI compares parts logged on the work order against parts appearing on the invoice before it is sent. Any discrepancy — a part used but not billed — is flagged for the technician or office team to review and add before the invoice goes to the customer.

EvaluationHow does HieCOR track overdue service invoices?

The service billing dashboard shows every invoice by status — paid, open, overdue, and pending authorization — in real time. AI flags accounts approaching or past their due date for follow-up outreach. Automated payment reminders can be configured for commercial accounts at set intervals before and after the due date.

EvaluationCan service invoices include warranty deductions or commercial discounts?

Yes. Warranty coverage deductions, commercial account pricing rules, promotional discounts, and customer-specific terms can all be applied during the invoice review step before the invoice is sent. The final invoice reflects the correct net amount per the applicable terms.

DecisionHow is HieCOR Service Billing priced?

HieCOR Service Billing is included as part of the broader HieCOR service platform based on modules deployed and transaction volume. Most businesses replace 2–3 existing service invoicing, billing, and payment tools when they implement HieCOR. Pricing is discussed during the demo.

DecisionWhat does implementation look like for service billing?

HieCOR's US-based implementation team handles invoice template setup, labor code configuration, payment method activation, authorization workflow setup, commercial account term configuration, and integration with your work order and parts inventory records. Most businesses are live within 45 days.