Copenhagen's Plinto Lands €2.9M Pre-Seed for AI Agents That Chase Down Invoice and Payment Errors

Nielsen described the gap the product is built around. "Companies have systems that record every single transaction, but verifying whether those transactions actually comply with agreements and rules is still largely a manual process," he said. "We're building AI agents that not only detect discrepancies but also investigate them and take action to correct the errors."

Nielsen, who studied economics, came into financial controlling somewhat by accident after former classmates described how difficult it is to close the books each month.

Plinto has paying customers and pilot projects in logistics, real estate, facility services and food production.

The company shared two examples of what its agents have found. At one customer, the system identifies about 430 discrepancies per month in a single area of the business. At another, it flagged a duplicate invoice in the same minute the invoice arrived. The duplicate carried a supplier name that differed slightly from the original, a variation that can slip past manual review and simple matching rules.

Suljevic said many of the company's customers operate on tight margins, where even small errors can quickly add up to significant amounts. Plinto currently employs eight people.

Financial controlling covers the checks that make sure money leaving a company matches what was agreed. In practice, finance teams compare payments with purchase orders, contract terms and budget lines, often across several systems and by hand. The work grows with every new supplier, contract and entity a company adds, and errors tend to surface only during month‑end closing or audits.

Plinto's pitch is that this verification can run continuously rather than at the end of a period, and that the follow‑up with suppliers, which usually consumes the most time, can also be handled by software. Human approval stays in the loop for corrections.

The startup says it wants to add more enterprise customers, and it lists product development and enterprise customer growth among the uses for the new capital.

The pre‑seed round gives Plinto runway to expand its product and its commercial team. The company has said its first international steps will follow its work in Denmark, though it has not named target countries.

People Ventures and Emblem were joined by angel investors whose names were not disclosed. The company did not share a valuation, revenue figures or customer names.

AI agents aimed at finance and accounting work have drawn a steady stream of early‑stage capital this year. Companies in that group include AI‑first accounting firms and software that automates reconciliation, tax preparation and audit tasks. Plinto sits at the transaction‑checking end of that range, concentrating on matching what was paid with what was agreed.

Plinto's design keeps a human sign‑off on proposed corrections, with the agents handling the investigation and the supplier follow‑up around them.