Custom AI agent · Finance
AI Payment Reminder Delivery Agent for Engineering Firms
Keep project billing follow-up aligned with approved milestones, time and scope changes.
Prepare reviewed reminders for engineering invoices, checking approved milestones, time entries, retainers and scope changes first.
- Prepare reviewed reminders for verified engineering invoices and retainers
- Check approved milestones, time records, reimbursables and change requests first
- Pause disputed deliverables or unapproved scope for project and finance review
Starting at $300 USD/month
Starting price is $300 USD/month. A tailored proposal defines the workflow and deliverables; project volume, integrations, hosting and ongoing support may be scoped separately.

What is an AI payment reminder delivery agent for engineering firms?
This AI payment reminder delivery agent is designed for engineering consultancies and project firms that bill clients through retainers, time-and-materials work, fixed-fee phases or approved milestones. It prepares staff-reviewed drafts only for invoices that finance has verified as due. Within an agreed workflow, it can compare permitted accounting and project records for invoice balance, due date, client billing contact, purchase order, approved hours, fee cap, milestone status, retainer balance, reimbursable expenses, posted payments and approved change requests. Firm-specific rules can distinguish recurring retainers, mobilization deposits, design phases, engineering studies, permitting support and final deliverables. When an invoice depends on sign-off or another contractual condition, staff must confirm the trigger in the authoritative project record before a reminder is prepared. A client dispute, unapproved timesheet, pending scope change, questioned expense, incomplete deliverable record, payment in transit or unclear billing contact pauses outreach and routes the matter to the project lead or finance reviewer. The agent does not certify technical work, judge whether a design is acceptable, approve hours or expenses, change a contract, or decide when a client owes a disputed amount. A named employee confirms each draft’s balance, recipient, language and timing before sending. Software connections and data permissions are scoped before launch.
Project receivables for engineering firms
Draft from verified project invoices
Use finance-approved balances, due dates, purchase orders and client accounts-payable contacts for eligible projects.
Check approved milestones and retainers
Apply firm-defined billing triggers for retainers, deposits, fixed-fee phases and project milestones after the responsible employee confirms approval.
Respect approved time and fee caps
Compare agreed time-entry and cap fields before preparing a time-and-materials reminder; route unapproved hours for review.
Hold expenses and scope changes for review
Pause an invoice when reimbursable expenses, a change request, deliverable acceptance or a client dispute could affect the amount or timing.
Keep project and finance staff in control
Require a named reviewer to verify the source records, recipient and message before any reminder is sent.
Where it can help
A fixed-fee design phase reaches an approved billing milestone
After the project lead confirms the milestone in the approved record, the agent checks the invoice, purchase order and posted payments, then prepares a reminder for the client’s verified accounts-payable contact.
A time-and-materials invoice includes approved engineering hours
Finance verifies the approved time entries and any fee cap before the workflow drafts a reminder. Unapproved hours or a client question pause that invoice for review.
A retainer or reimbursable expense is under review
The agent holds the affected reminder and routes the retainer balance, expense record or pending change request to the project lead and finance team.
How it works
A step-by-step workflow your team can review before launch.
Define eligible contract and invoice types
Select which retainers, deposits, time-and-materials invoices, fixed-fee phases, approved milestones and final balances can enter follow-up.
Connect approved project and finance fields
Use the agreed invoice, client contact, purchase-order, milestone, approved time, retainer, expense, payment and change-request records.
Validate billing triggers and exceptions
Check payment status, fee caps, milestone approval, client disputes, pending scope changes, expense questions and missing project records.
Prepare a client-specific draft
Apply approved contract terms, reminder timing, client contact preferences and the firm’s template, then route the message to a named reviewer.
Review and refine the process
Finance and project staff resolve holds, correct source data and update the approved rules for future billing cycles.
Built around your business
What we configure
- Eligible project and invoice types, including recurring retainers, deposits, approved milestone invoices and time-and-materials billing.
- Contract-specific reminder schedules, purchase-order checks, templates, client contact rules and approval roles.
- Hold and routing rules for unapproved hours, fee caps, expense questions, change requests, disputed deliverables, payment in transit and client disputes.
What we need from you
- An authoritative receivables ledger with verified client invoices, due dates, balances, posted payments and approved billing contacts.
- Documented contract rules for retainers, deposits, time-and-materials work, fee caps, fixed-fee phases, milestones and final billing.
- Reliable project records for approved hours, milestone confirmation, reimbursable expenses and authorized change requests.
- Named finance and project reviewers for deliverable questions, disputed scope, expense reviews and other exceptions.
- Technical and permission review for each accounting, project-management or CRM connection included in the agreed scope.
Clear boundaries before launch
What it will not do
The agent prepares reminder drafts from firm-approved finance and project records. It does not certify engineering deliverables, assess design adequacy or safety, approve time entries or expenses, determine client acceptance, interpret a contract, approve a change request, alter project scope, set a disputed amount due, provide legal advice or make collection decisions. An unapproved milestone, questioned expense, pending change request, disputed deliverable, payment in transit or uncertain client contact must be reviewed by firm staff before outreach. Authorized finance staff verify the balance and recipient; project staff confirm any project billing trigger. Integrations depend on available interfaces, permissions, data quality and agreed scope.
How success is measured
Track reminders approved without edits, invoice and purchase-order matches, approved milestones and time entries correctly referenced, fee-cap or change-request exceptions held, disputed deliverables routed to project staff, recipient accuracy and finance-team handling time. Compare results with a firm-specific baseline and account for contract type, project mix and billing cadence. These are workflow indicators, not guarantees of faster collections, revenue or reduced days outstanding.
Frequently asked questions
What does an AI payment reminder delivery agent do for engineering firms?
It checks approved project and receivables records for eligible invoices, then prepares staff-reviewed reminder drafts for verified client billing contacts.
Can it handle milestone-based engineering invoices?
It can use milestone status and billing triggers that the firm has documented in approved project records. A project lead should confirm the milestone before a reminder is prepared.
Can it review time-and-materials invoices?
The workflow can compare agreed time-entry, invoice and fee-cap fields when those records are available. It does not approve hours; unapproved entries are routed to staff.
What happens when a client disputes a deliverable or expense?
The affected reminder is paused and routed to the project lead or finance reviewer. Staff resolve the issue and confirm the billing record before outreach.
Can it approve a change request or decide whether a client owes the amount?
No. It can identify a pending change request or dispute and hold the reminder, but firm staff determine contract scope, approvals and the amount due.
Can it connect to our project-management and accounting software?
Potential connections depend on available interfaces, permissions, data quality and agreed scope. Tranki reviews those requirements before including an integration in a proposal.
What does the $300 per month starting price include?
Tranki solutions start at $300 USD/month. A tailored proposal defines the workflow and deliverables; integrations, usage, hosting and ongoing support are scoped separately where applicable.
Can our team approve every reminder before it is sent?
Yes. The workflow can send each eligible draft to a named reviewer and hold exceptions for finance or project staff.





