AI-powered back office for field service

Your technicians do the work.
FieldStack runs everything else.

Autonomous AI agents handle inbound leads, scheduling, inventory, and invoicing — so your office stops drowning in work and your crew stops waiting on answers.

leads answered this month
jobs booked fully autonomous
24/7
never misses a call
Lead Agent — Incoming Call now
Caller: My AC is blowing warm air. It's 94 degrees out here.
FieldStack: Hi, I'm FieldStack. Can I get your address so I can pull up your account?
Caller: 4417 Maple Grove Lane, Austin TX.
FieldStack: Got it. I can see your unit — it's a Carrier 3-ton from 2019. Checking technician availability... We have Bryan available tomorrow at 10am or 2pm. Which works?
Caller: 10am works. He's done us before.
FieldStack: Booked. Bryan will arrive with the common refrigerants for your unit. Anything else to note before we send the confirmation?
Inventory Agent
R-410A stock below threshold
PO auto-raised to Grainger
Invoice Agent
Job #8812 — Invoice sent
Payment overdue 12 days → SMS sent

Four agents. One operating system.

Each agent is specialized and fully autonomous. Together they run your entire back office — no human needed to keep the machine moving.

Lead Agent

Answers every inbound call and message. Qualifies the customer, pulls their account, and books the job — without putting anyone on hold.

  • 24/7 phone and chat intake
  • Customer account lookup
  • Service history context
  • Appointment booking in real time

Ops Agent

Manages the job lifecycle — scheduling, dispatch, technician routing, and status updates to customers. Keeps everyone moving.

  • Dynamic dispatch and routing
  • Real-time job status updates
  • Customer SMS/email notifications
  • Schedule optimization

Inventory Agent

Tracks parts and supplies in real time. Flags low stock, auto-generates purchase orders, and keeps pricing updated across jobs.

  • Real-time stock monitoring
  • Auto-reorder below threshold
  • Parts pricing sync
  • Tech mobile lookup

Invoice Agent

Generates invoices the moment a job closes. Chases overdue payments with automated reminders. Runs your AR so you don't have to.

  • Auto-generate invoices on job close
  • Overdue payment chase sequences
  • Payment link delivery
  • AR reporting and aging views

From call to cash — fully autonomous.

01

Lead lands

Phone call, web form, or Google Lead comes in. Lead Agent answers immediately — day or night.

02

Job is opened

Ops Agent creates the work order, assigns the right technician, and sends the customer a confirmation with an ETA window.

03

Work gets done

Technician arrives with the right parts (Inventory Agent already checked stock and placed orders). Job is logged in the system automatically.

04

Invoice goes out

Invoice Agent generates the bill the moment the job is marked complete. Payment link is sent to the customer. AR chase begins on day 15.

The average field service company loses 30–40% of inbound leads to unanswered calls and slow follow-ups. Not because the business is bad — because the office can't keep up.
We built FieldStack to fix that.

Stop hiring office staff to chase paperwork.

Your back office, running itself. Every lead answered. Every job scheduled. Every invoice sent. Every payment chased. Your crew does the work — FieldStack does the rest.

See the demo live →