2026-09-16 | 4 min read

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Five ways AI in accounts payable gives contractors cost control

Authors:
Avatar grace homer
Grace Homer
Finance Content Writer @ Rydoo
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Rising costs put pressure on project margins. To protect profitability, contractors need accurate estimates and a clear view of costs as they happen, and much of that starts with how supplier invoices are handled.

Costs for materials, equipment and labour have risen, and contractors have to price new work with less room for error. Accurate estimates and tight cost control decide whether a project makes money.

Most of the industry's improvement effort goes into what happens on site. But some of the quickest gains sit elsewhere, in the finance processes behind every project. They're often easier to change, and the impact can be just as big.

1. Approve invoices from site

Challenge: The people who approve invoices are often on site, far from their computer and from the finance team. Some also have to add account numbers and project codes or answer queries, which leads to errors, late payments and penalty fees.

Solution: With Rydoo Accounts Payable, approvers review and approve invoices in the mobile app, wherever they are. Invoices can be split between several approvers, and questions get handled in the app and web interface. Rydoo AP suggests the account coding for every invoice line, and invoices that meet the criteria you set can be posted automatically.

2. Track project costs as they come in

Challenge: Contractors running several large projects need every cost assigned to the right project, and split by account, VAT, department and other dimensions. Project managers need to track costs against budget to catch overruns early.

Solution: Rydoo AP's self-learning AI recognises patterns in incoming invoices and codes each line with an account, dimensions and VAT, so far less needs checking by hand. Invoices move through your approval flow automatically. Every invoice line is available in Data & Analytics, so project managers can report on costs by project, in Rydoo or their own BI tool, and track spend against budget. When a suggestion needs correcting, the fix is quick, and the AI learns from it for the next invoice.

3. Check supplier prices against your agreements

Challenge: Contractors often negotiate better prices with certain suppliers for specific projects. That saving only holds if the supplier invoices at the agreed price, and tracking it by hand is slow and easy to miss.

Solution: Rydoo AP reads project names and numbers from both the invoice header and the lines, so every cost lands on the right project. Because every line is captured, finance can compare what each supplier charged against the agreed price and raise any difference before paying.

4. Know what you bought, where and from whom

Challenge: Contractors increasingly need to know which materials went into which project, what they paid and who supplied them. Sometimes regulation asks for it. Other times it's the basis for running the business better.

Solution: Rydoo AP reads every line of every invoice, so finance can see and share the detail of company purchases, not just the accounts they were posted to. Decisions rest on data rather than gut feel.

5. Estimate with better data

Challenge: Estimates built on old project data and manual methods take time, and they can miss how quickly prices move.

Solution: Rydoo AP gives contractors structured, line-level data on what they've bought and what they paid. Combine it with past project results or other data in your own tools, and you can compare supplier prices, forecast spend and build estimates on current numbers.

How AI in accounts payable impacts contractors

These five areas can look like basic hygiene. But getting them right needs a system that handles each one reliably, automates as much of the work as possible and connects to the rest of your systems.

Large projects also depend on transparency: everyone involved needs a factual, current view of what's happening. McKinsey has written about the value of transparency in megaproject execution, and that view starts with the data in your supplier invoices.

With Rydoo AP handling your invoice flow, you get two things: far less manual effort in AP, and full access to the data in every invoice.

Book a demo to see how Rydoo AP works for project-based businesses.