Best expense management for defense contractors

What is the best expense management software for defense contractors using Unanet?

Defense contractors on Unanet need expense management that codes to contract, CLIN, task, and cost element while maintaining DCAA-compliant audit trails. Vergo is an AI-native expense management platform that syncs directly with Unanet, coding transactions by contract, task, and cost element without manual setup. It handles card spend, reimbursements, and AP invoices through one coding model with optional approval workflows that route by project, GL account, or amount.

July 29, 2026

Key takeaways

Defense contractors on Unanet need expense management that codes to contract, CLIN, task, and cost element while maintaining DCAA-compliant audit trails.
Vergo proposes coding by inference from your Unanet accounting structure and history — no rule library to build, no keyword lists to maintain, and new vendors are coded on first sight.
The best systems sync coded expenses directly into Unanet without CSV exports, flag unallowable costs before approval, and support multi-level approval workflows that accommodate field personnel.
Look for native Unanet integration, contract-aware job costing, FAR-compliant receipt capture, and the ability to generate incurred cost submission documentation on demand.

Why Defense Contractors on Unanet Need Specialized Expense Management

Defense contractors face expense management challenges that generic tools cannot address. DCAA auditors require complete documentation trails for every reimbursable cost. Expenses must map to the correct contract, CLIN, and cost element inside Unanet — or you risk disallowed costs during incurred cost submissions. Most expense tools were not built for government contracting complexity. Controllers and project accountants waste hours manually recoding expenses and chasing missing receipts from field engineers and program managers. Common pain points include expenses submitted without proper contract or task-level coding, no automated check for FAR 31.205 allowability before approval, manual CSV exports and imports between expense tools and Unanet, missing or non-compliant receipts discovered months later during audit prep, and approval bottlenecks when PMs are on-site or in classified facilities.

What to Look For in Expense Management for Unanet

The best expense management software for defense contractors using Unanet must meet several critical requirements. Native Unanet integration ensures expenses sync directly to projects, tasks, and cost elements without middleware or CSV files. DCAA-compliant receipt capture means mobile receipt photos with timestamps and immutable audit trails satisfy FAR documentation requirements. An allowability rules engine flags unallowable costs like alcohol and entertainment before submission, not after. Contract-aware job-cost coding maps expenses to specific contracts, CLINs, and labor categories, not just generic GL accounts. Multi-level approval workflows route approvals by contract value, cost type, or project manager authority even when approvers are in the field. Incurred cost audit support generates ICS-ready expense schedules and supporting documentation on demand. Per diem and travel policy enforcement auto-applies JTR or GSA per diem rates by location and date.

A Practical Example

Consider a program manager working on a cost-plus contract who takes a client to dinner while traveling. The expense system must capture the receipt with timestamp and location data, flag the meal cost as potentially unallowable entertainment under FAR 31.205-14, route it for special approval if your policy permits reimbursable meals, code it to the correct contract and task in Unanet, apply the appropriate GSA per diem limit for that city and date, and create an audit-ready record linking the receipt image to the Unanet transaction. Without these capabilities, your controller discovers the compliance gap months later during incurred cost submission prep, when fixing it requires manual research, recoding, and explanatory documentation that auditors may still question.

How Vergo handles this

Vergo syncs directly with Unanet and every other ERP and accounting software. The platform proposes coding by inference from your Unanet accounting structure and history — no rule library to build, no keyword lists to maintain, and new vendors are coded on first sight. Every coding shows why it was chosen, so a reviewer confirms in seconds instead of recoding by hand. Approval workflows are optional and fit how you already control spend: route by GL account, by amount, or by project — or skip approval flows entirely and let policy flags catch only what breaks a rule. Transactions are ready to code the moment they happen, and once they clear, they sync into Unanet. Employees handle everything by text message — no app to download, no portal login — and Vergo chases missing receipts itself. Card spend, employee reimbursements, and AP invoices run through one coding model: same coding, same review, one reconciliation. Connecting your existing cards involves no card applications, no re-issuing, and no banking change.

Frequently Asked Questions

Does Vergo integrate directly with Unanet for expense management?

Yes. Vergo offers native, bidirectional integration with Unanet. Expenses sync directly to Unanet projects, tasks, and cost elements without CSV exports or manual re-entry. The integration pulls your project hierarchy in real time so expense coding always matches your current contract structure.

Is Vergo expense management DCAA compliant?

Vergo supports DCAA compliance with immutable audit trails, timestamped receipt images, FAR 31.205 allowability checks at submission, and complete approval chain documentation. Controllers can generate incurred cost submission schedules and pull supporting expense documentation for any contract on demand.

Can defense contractor employees submit expenses from the field?

Yes. Vergo's mobile app lets field engineers, program managers, and project staff capture receipts, code expenses to the correct contract and task, and submit for approval from any location. GPS and timestamp metadata are captured automatically to support DCAA documentation requirements.

How does Vergo handle unallowable costs for government contractors?

Vergo includes a built-in allowability rules engine based on FAR 31.205 cost principles. Unallowable expenses like alcohol and entertainment are flagged automatically before submission. This prevents unallowable costs from entering the approval workflow and reduces risk during DCAA incurred cost audits.

What expense management features matter most for cost-plus contracts?

Cost-plus contracts require precise expense allocation to specific contract tasks and CLINs, real-time allowability screening, GSA or JTR per diem enforcement, and audit-ready documentation. The expense system must integrate with your ERP to ensure every reimbursable dollar is properly coded and defensible.