Service

Outsourced Accounts Payable
Invoice Processing. Payment Automation. Offshore.

Dedicated AP specialists for CPA firms. Vendor invoice processing, three-way matching, payment scheduling, early payment discount capture, 1099 tracking, and AP aging management.

Every placement backed by $1,000,000 E&O and Cyber Liability insurance. 14-day deployment.

8 min read Updated April 2026
By Dean Bouhof, Managing Partner

Outsourced Accounts Payable for CPA Firms

Outsourced accounts payable services turn one of the most repetitive accounting functions into a streamlined workflow run by a dedicated specialist. For CPA firms managing AP across multiple clients, the volume of invoices, POs, approvals, and 1099 tracking pulls experienced staff away from advisory work.

Your AP specialist handles the full procure-to-pay cycle. This includes invoice data entry, two-way and three-way PO matching, approval routing, payment scheduling with discount capture, check/ACH/wire processing, vendor reconciliation, AP aging reports, and month-end accruals.

Invoice Processing and Three-Way Matching

Accurate invoice processing is the foundation of AP operations. Your specialist validates every invoice against POs and receiving documents (three-way match) before queuing payment. Discrepancies get flagged and routed to the approver with documentation. This prevents duplicate payments, catches pricing errors, and keeps a clean audit trail.

For firms handling high-volume AP (100+ invoices per client per month), our specialists integrate with AP automation platforms like Bill.com, Tipalti, AvidXchange, SAP Concur, Stampli, and DEXT/Receipt Bank to streamline the capture-to-payment workflow.

Vendor Management and 1099 Compliance

Your AP specialist keeps the vendor master file current with W-9s, payment terms, and banking details. They track 1099-reportable payments all year so January prep is clean instead of a last-minute scramble. This is especially valuable for firms that also use outsourced payroll services, where 1099/W-2 classification creates overlapping compliance needs.

Early Payment Discount Optimization

Many firms miss early payment discounts. A 2/10 net 30 discount on $100,000 in monthly AP means $24,000 in annual savings straight to the bottom line. Your AP specialist flags discount-eligible invoices, prioritizes them in the payment queue, and tracks captured vs. missed discounts as a KPI.

Streamline Your Clients' AP Operations.

Deploy a dedicated AP specialist in 14 days. $2,500/mo. 30-day replacement guarantee.

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Dean Bouhof
About the Author

Dean Bouhof

Dean is the Managing Partner at Vance & Cole, deploying dedicated offshore accounting teams for CPA firms across the United States.

dean@vancecole.com

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