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🧾 Supplier invoice processing (accounts payable)

Around 900 supplier invoices per month arrive as PDFs in a shared inbox and are keyed and matched by hand in NetSuite, with email chasing for missing POs and manual status replies to suppliers. The redesign puts an intake and matching agent in front of the process, keeps approval and payment strictly human, and gives suppliers an automated status channel. Manual effort drops from roughly 175 hours per month to about 30, while duplicate and late payment risk is controlled by design.

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The as-is: how it works today · 14 steps

The to-be: humans + AI agents · 14 steps, 7 AI-powered

Why this redesign

The three pains share one root cause: everything depends on a clerk having time. Capture, matching and status replies are high volume with stable rules, so they move to agents; approval and dispute handling stay human because that is where money and relationships are at stake. Segregation of duties is strengthened rather than weakened: agents can only create and enrich draft invoices, they have no rights over the supplier master, bank details or payment release, so capture and approval remain in different hands. Duplicate screening becomes a designed control at intake instead of a quarterly discovery, and payment scheduling moves from a fixed weekly batch to due-date driven, which is what actually removes late penalties. Suppliers get proactive receipt and scheduled-payment notifications, so most status emails never get written. The team keeps one AP specialist role focused on the 70 or so genuinely difficult cases per month, supported by a copilot that assembles evidence.

Quick wins of this redesign

• Turn on duplicate and anomaly screening at intake first: it needs no workflow change and directly stops the payments discovered late each quarter.
• Send automatic receipt and scheduled-payment confirmations to suppliers, which removes most of the 250 status emails per month within weeks.
• Replace the fixed weekly payment batch with due-date driven scheduling to cut late payment penalties immediately.
• Attach an auto-generated evidence pack to every approval request so the finance manager decides in three minutes instead of chasing context.

Risks to manage

• Extraction errors on unusual invoice layouts could post wrong amounts, so confidence thresholds and weekly sampling must be in place before scaling volume.
• An agent emailing suppliers directly can damage relationships or leak internal detail if templates and escalation rules are not tightly bounded.
• Over-tuned auto-clear tolerances would push variances through without review, quietly eroding the 500 euro control.
• Concentrating residual work in one AP specialist creates a single point of failure and a demanding job made only of hard cases.

Suggested pilot plan

Start with the top 20 suppliers by invoice volume, roughly 300 invoices per month, with one AP clerk as process owner and the finance manager as approver. Run four weeks in shadow mode: the intake and matching agents produce drafts and proposed matches while the clerk still confirms every one, so accuracy is measured against a known baseline. Move to live acting only for invoices below 500 euros of variance once the agents reach 98 percent field accuracy and zero missed duplicates across 300 runs. Success criteria after 900 processed invoices: touchless rate above 70 percent, average handling time below 2 minutes, no duplicate payment, late payment penalties reduced by at least 80 percent and supplier status emails down by half. Review the sampling log weekly and only then extend to the full supplier base.