Accounts payable services companies live and die by throughput. The volume of invoices processed per day, the accuracy of coding, and the speed of payment approval cycles are the metrics that define performance for clients and determine profitability for the firm. In an environment where a single large client might submit thousands of invoices per month, operational efficiency is not a nice-to-have—it is the business model.
Virtual assistants are playing an expanding role in how AP services firms manage that throughput. By handling the administrative and communication-heavy portions of the AP workflow, VAs allow senior AP specialists to concentrate on the judgment calls, exception handling, and client advisory work that requires their expertise.
The Invoice Processing Bottleneck
The core challenge in accounts payable is that invoice processing involves multiple steps—receipt, logging, coding verification, approval routing, payment scheduling, and reconciliation—each of which creates an opportunity for delay or error. When volumes spike, as they do at month-end and fiscal year-end, the bottleneck compounds quickly.
According to the Institute of Finance and Management's 2024 AP Automation Report, the average cost to process a single invoice manually is $10.18, compared to $3.40 for semi-automated processing. The gap reflects the labor intensity of manual AP work. Virtual assistants reduce that labor cost by owning the data entry and initial review functions that do not require AP specialist judgment.
A VA can receive invoices from multiple intake channels—email, AP inbox, supplier portals—and log them into the AP management system, verify that invoice data matches purchase order fields, and route them to the correct approval queue. This first-pass processing, handled consistently by a VA, reduces the volume of work landing on the AP specialist's desk by 30–40% in firms that have implemented the model.
Vendor Communication Management
AP services companies maintain ongoing communication with large vendor networks—following up on missing invoices, resolving discrepancy queries, confirming payment dates, and managing vendor portal updates. This communication is time-consuming but rarely requires AP specialist expertise.
Virtual assistants handle vendor communication effectively. Trained on the firm's communication templates and escalation protocols, a VA can respond to routine vendor inquiries within hours, send payment confirmation notices, and flag genuine discrepancies for specialist review. This keeps vendor relationships smooth without consuming specialist time on standard correspondence.
"Our AP specialists were spending nearly two hours a day on vendor email," said the operations director of an accounts payable services firm in the Southeast. "Once we moved that to a VA, that two hours went back to exception resolution. Our error rate dropped and our specialists actually report higher job satisfaction because they're doing more meaningful work."
Payment Scheduling and Approval Coordination
Timing payments correctly is critical in AP—early payments can capture discounts, late payments damage vendor relationships and incur penalties. Managing payment schedules across dozens of clients and hundreds of vendors requires systematic attention to terms, dates, and approval status.
Virtual assistants support this scheduling function by maintaining payment calendars, alerting AP specialists to upcoming discount windows and payment deadlines, and tracking approval status across the workflow. This proactive monitoring ensures nothing falls through the cracks without requiring the AP specialist to manually review every open item daily.
According to Ardent Partners' 2023 State of ePayables report, companies with structured payment scheduling processes captured early payment discounts 62% more often than those with ad hoc approaches. The financial impact for clients is material, and it reflects directly on the AP services firm's performance metrics.
Compliance Documentation Support
AP services must maintain audit trails. Every invoice must be properly documented, approvals must be recorded, and payment confirmations must be filed. This documentation requirement creates ongoing administrative work that has no direct revenue value but significant compliance risk if neglected.
Virtual assistants manage documentation workflows—ensuring that invoice images, approval records, and payment confirmations are properly filed in the AP system for each transaction. This systematic approach to documentation reduces audit preparation time and lowers compliance risk for clients.
Building Capacity for Growth
For AP services companies looking to grow their client base without proportional headcount increases, virtual assistants are the scalability mechanism. A firm handling 10,000 invoices per month might add a VA rather than a full-time AP specialist when volume grows to 15,000—achieving the capacity increase at significantly lower cost.
Companies like Stealth Agents place trained virtual assistants with financial services firms, including AP services companies that need remote support for high-volume transaction workflows.
The AP services market rewards precision and speed. Virtual assistants deliver both by systematically handling the administrative volume that otherwise keeps AP specialists from doing their highest-value work.
Sources
- Institute of Finance and Management, AP Automation Report 2024
- Ardent Partners, State of ePayables 2023
- IOFM, Accounts Payable Benchmarking Survey 2023