The most obvious construction-AI image is a robot on a jobsite. Miter’s $40 million Series B points somewhere less cinematic: payroll, compliance, invoices, safety reports and job costing—the administrative systems contractors already have to run every day.1

IN BRIEF

Miter raised a $40 million Series B, bringing total funding to $78 million. Its software combines payroll, HR, field operations, expenses and job-cost workflows for contractors, with AI used to parse invoices and receipts, structure pay-rate data, create safety reports and summarize job status. The case suggests construction AI may gain traction in digital back-office and field-administration work before autonomous machines replace physical trades.1, 2

Miter’s reported scale. Series B: $40M — Funding announced September 30, 2026.. Total capital: $78M — Total capital raised after the Series B.. Contractors: 2,000+ — Company-reported customers using Miter across payroll, HR, field operations and expenses.. Values and their context are also available as HTML below.
Miter’s reported scale. Values and their context are also available as HTML below.1

Miter’s reported scale

$40M
Series B1

Funding announced September 30, 2026.

$78M
Total capital1

Total capital raised after the Series B.

2,000+
Contractors1

Company-reported customers using Miter across payroll, HR, field operations and expenses.

Back-office work is easier to digitize than a construction site

Invoices, timecards, pay rates, safety notes and job-cost records already exist as data or documents. Miter says its AI parses and structures these inputs and runs workflows that contractors previously handled manually.1, 2

Where construction AI can land first1
WorkflowData already availableAI opportunity
Payroll / complianceTimecards, rates, locations, rulesStructure inputs and flag exceptions
Accounts payableInvoices and receiptsExtract fields and route approvals
SafetyPhotos and voice notesDraft structured safety reports
Job costingLabor, materials and expense recordsSurface cost trends before project close

Vertical complexity is the reason generic software struggles

Construction payroll and accounting vary by project, state, union, wage rule and cost code. That complexity makes a horizontal tool harder to configure, but it also creates a deeper workflow moat for software built specifically around contractors.1

This is different from putting AI into the trades themselves

S&C’s ServiceTitan coverage examined AI entering field-service workflows. Miter’s emphasis is the operating system around construction companies: the administrative and financial coordination behind crews and jobsites rather than automating the craft work itself.

What would make the ROI clearer

  • Measured reduction in payroll and compliance processing time.
  • Lower error or rework rates on invoices and job-cost allocation.
  • Evidence that AI features increase software retention or expansion revenue.
  • Customer-level proof that field reporting changes project economics.

Construction may eventually be full of autonomous equipment. The nearer-term software opportunity is simpler: remove the paperwork and fragmented systems surrounding human crews. That is less futuristic, but it can reach a contractor’s costs much sooner.

Sources and methodology

Sources checked October 1, 2026. Dates and periods for individual figures are stated beside them.

  1. Miter: $40M Series B announcement ↗Accessed 2026-10-01
  2. Miter: Construction workforce platform ↗Accessed 2026-10-01
Scope and assumptions

Customer counts and product benefits are company-reported.

The announcement does not provide audited customer ROI or independent evidence that the AI features materially improve contractor margins.

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