Approval Workflows: 7 Best Practices for 2026
Every AP department has experienced it: an invoice sits in someone's approval queue for nine days while a two-percent early payment discount expires. The approver isn't negligent — they're traveling or didn't see the notification. Multiply that across hundreds of invoices and the cost of poor approval workflow design becomes tangible.
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Average invoice approval cycle time (Ardent Partners)
These seven best practices are extracted from hundreds of Covinly customers who consistently achieve top-quartile performance in approval speed, compliance, and cost efficiency.
Requiring the same approval chain for every invoice dilutes approver attention. Best-in-class organizations define tiers: under $1,000 needs one approval, $1K-$25K needs two, over $25K needs VP sign-off.
70-80% of invoices fall below $2,500. Setting your first threshold there eliminates bottlenecks for most transactions while preserving controls on high-value spend.
When two approvers evaluate different dimensions — budget availability and vendor compliance — reviews can happen simultaneously. Parallel routing cuts cycle times 40-60%.
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Cycle time reduction from parallel routing
Recurring invoices from established vendors within expected parameters don't need manual approval. Tightly scoped auto-approval rules — verified vendor, amount within tolerance, passed all checks — eliminate overhead without sacrificing control.
Auto-approval means rules-based decisions, not no decisions. Every auto-approved invoice should appear in the audit trail with the rules it satisfied.
Recommended escalation timeline:
- 24 hours: Notification with priority flag
- 48 hours: Reminder with discount deadline warning
- 72 hours: Escalation to approver's manager
- 5 days: Finance escalation officer with override authority
- 7 days: CFO notification for pattern tracking
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Push notifications, one-tap approve/reject, and offline queuing. Organizations deploying mobile capabilities see 30-50% reductions in approval time, especially for senior leaders and frequent travelers.
Log every action — approvals, rejections, escalations, overrides, delegations — with timestamps, actor identity, device, and justification. This data enables both compliance and continuous improvement.
Ensure your audit trail captures delegation events. This is a common gap auditors flag during SOX reviews.
Quarterly review checklist:
- Analyze approval times by tier vs SLA targets
- Review escalation rates by approver to find bottlenecks
- Validate auto-approval rules against recent exceptions
- Update approver assignments for organizational changes
- Adjust thresholds based on spending pattern changes
- Document and communicate all updates
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Best-in-class approval cycle (Ardent Partners)
The power comes from implementing these as an integrated system. Start with whatever addresses your most acute pain point and build toward a mature, optimized workflow through deliberate, data-driven iteration.
“The organizations that process invoices fastest aren't the ones with fewest controls — they're the ones with the right controls at the right points. Speed and rigor are both outcomes of good design.”
— Alex Kim, Covinly
Written by
Alex Kim
Head of Product
Alex leads product strategy at Covinly, with 12 years of experience in fintech and enterprise SaaS. Previously VP of Product at a Series C payments company. Passionate about eliminating manual work from financial operations.
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