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Cash Flow

5 Proven Ways to Reduce Your DSO by 40%

David Okonkwo
March 10, 2026
8 min read
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Days Sales Outstanding (DSO) is one of the most critical metrics for cash flow health. A high DSO means your cash is tied up in unpaid invoices, limiting your ability to invest, pay vendors, and manage day-to-day operations. The good news is that with the right strategies and tools, reducing DSO by 40% or more is entirely achievable.

The first and most impactful strategy is implementing automated collection sequences. Rather than waiting for invoices to become overdue, proactive companies send payment reminders before the due date, on the due date, and at escalating intervals after. Automated dunning workflows can handle this entire process without manual intervention, freeing your AR team to focus on high-value activities like resolving disputes and building customer relationships.

The second strategy involves offering flexible payment options. Customers pay faster when payment is convenient. This means accepting credit cards, ACH, wire transfers, and even digital wallets. Each additional payment method you offer removes a potential friction point. Some companies see a 15-20% reduction in DSO simply by adding online payment links to their invoices.

Beyond these foundational tactics, leading companies are using AI to prioritize collection efforts. Machine learning models can predict which invoices are most likely to become delinquent, allowing AR teams to intervene early with the accounts that need the most attention. Combined with customer scoring, automated escalation, and real-time payment tracking, AI-driven collections represent the future of accounts receivable management.

Written by

David Okonkwo

VP of Product at ProactiveCash. Former product lead at Sage Intacct with deep expertise in accounts receivable automation.

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