The verdict in three sentences
For an SME with EUR 25 million in revenue, an AI-driven 13-week cash flow forecast costs, as a 2026 order of magnitude, EUR 15,000 to 35,000 excluding VAT and takes 2 to 4 months to deploy. Most of the gain comes from learning each customer's actual payment delay, which cuts forecast error from 15% to roughly 5%. The finance director gets Monday morning back and, more importantly, negotiates credit facilities with figures the bank no longer questions.
Why the Monday spreadsheet is no longer enough
In Dublin, as in most of Europe, mid-sized distributors and manufacturers still build their cash plan in a hand-fed Excel workbook: statements exported from three or four banks (AIB, Bank of Ireland, PTSB, a euro account abroad), the aged debtors report from the ERP, then receipts assumed on the contractual due date. Customers do not pay on the due date. A large retailer pays at 57 days instead of 45, a public body at 70, a loyal SME customer at 30. The spreadsheet ignores this behaviour, producing 10 to 20% error in weeks 4 to 8.
| Criterion | Manual Excel | Off-the-shelf treasury tool | Custom AI forecast |
|---|---|---|---|
| Finance director time per week | 4 to 6 h | 1.5 to 2.5 h | 0.5 to 1 h |
| Automatic bank feeds | No | Yes (PSD2 / open banking) | Yes (PSD2 / open banking) |
| ERP link (invoices, orders) | Manual export | Partial | Full, daily |
| Payment delay learned per customer | No | Rarely | Yes, recalculated weekly |
| 13-week forecast error | 12 to 20% | 8 to 12% | 4 to 6% |
| Upfront cost (2026 order of magnitude) | EUR 0 | EUR 3,000 to 8,000 | EUR 15,000 to 35,000 ex VAT |
| Annual cost | Internal time | EUR 6,000 to 18,000 subscription | EUR 3,000 to 7,000 maintenance and hosting |
An off-the-shelf tool (Agicap, Float, or Kyriba for larger groups) solves bank connectivity but stays limited on fine-grained receipt modelling. A custom build makes sense when the ERP is specialised, the customer base is heterogeneous, or the company wants to include orders not yet invoiced.
What EUR 15,000 versus EUR 35,000 buys you
The budget gap depends on how many sources are connected and how fine the model is. The low end covers two or three banks and a common ERP (Sage 200, Microsoft Dynamics 365 Business Central, Xero for smaller entities). The high end adds the order book, planned supplier purchases, several entities (Ireland and UK) and scenarios.
| Component | Scope | Share of budget | Timeline |
|---|---|---|---|
| Bank connectivity | PSD2 aggregator, 2 to 5 banks, categorisation | 15 to 20% | 2 to 3 weeks |
| ERP connector | Customer and supplier invoices, due dates, orders | 20 to 25% | 3 to 5 weeks |
| Payment delay model | 24 to 36 months of history, real delay per customer and segment | 20 to 25% | 3 to 4 weeks |
| 13-week forecast and scenarios | Base, downside, loss of a key account | 15 to 20% | 2 to 3 weeks |
| Dashboard and alerts | Cash floor, forecast overdraft, bank-ready export | 10 to 15% | 2 weeks |
| Testing and calibration | Forecast versus actual over 6 to 8 weeks | 5 to 10% | In parallel |
The model is not magic: a regression on each customer's payment history, adjusted for seasonality (August, December) and invoice size, captures most of the accuracy. More complex models often add only one or two points. On security, bank access is read-only and data stays hosted in the EU, which matters for GDPR and for your auditors.
Reliability: what to demand before signing
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Ask for a measurable indicator, for example mean absolute error between forecast and actual balance in week 4 and week 8. Require a calibration phase where the tool runs alongside the spreadsheet for at least 6 weeks. Check that every forecast is explainable: the finance director must be able to click on a week and see which invoices, at which estimated dates, make up the expected receipts. An opaque model will never be shown to a credit committee.
Mini case study
Siobhan, finance director of a Dublin food equipment distributor (EUR 25M revenue, 4 banks, Business Central), spends 5 hours every Monday on the cash plan. Her average 8-week error is 15%, around EUR 450,000 on EUR 3M of cumulative receipts over the period. To cover that uncertainty she keeps a EUR 1.2M overdraft facility, drawn on average at EUR 600,000 at 5%.
After a EUR 24,000 project delivered in 3 months, error falls to 5%. Calculation: 4 hours saved per week x 46 weeks x EUR 75 loaded hourly cost = EUR 13,800 per year. Average overdraft use reduced by EUR 350,000: 350,000 x 5% = EUR 17,500 in interest avoided. Total: about EUR 31,300 per year, against EUR 24,000 invested and EUR 5,000 annual maintenance. Payback in roughly 10 months.
FAQ
How much history does the AI need to be reliable? At least 24 months of invoices and payments, ideally 36 months to capture seasonality. Below 12 months, error usually stays above 8%.
Can the tool connect to all Irish banks? Yes for current accounts through PSD2 open banking, which covers over 95% of SME banking relationships in Ireland. Richer data such as scheduled payments may require bank-specific host-to-host files, typically EUR 20 to 40 per month per bank.
Do we need to replace our existing treasury software? Not necessarily: the receipt prediction model can feed your current tool via API. That option reduces the budget by roughly 20 to 30%.
Who controls the assumptions? The finance director. The AI proposes a receipt date per invoice, the finance director can override it for a disputed account or a major contract, and every change is logged.
Will the bank accept this forecast? A 13-week forecast with a documented 5% forecast-versus-actual track record is a strong argument in a credit review. Several SMEs use it to obtain 0.2 to 0.5 points off their overdraft margin.
Let's scope your project. We map the banks, ERP and forecast horizon to connect with you, then deliver a calibrated first version in 2 to 4 months. Detailed quote within 48 h. WhatsApp +221 77 596 93 33.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.