Automating monthly financial reporting for a CFO in London: 2026 cost and gains

The verdict in three sentences

A London group with 6 subsidiaries that consolidates its monthly reporting by hand ties up the equivalent of 5 days of skilled work every month, with an error risk at each copy and paste. An automated pipeline (ERP extraction, data warehouse, Power BI or custom dashboard) costs EUR 15,000 to 35,000 excluding VAT in 2026 (about GBP 13,000 to 30,000). It targets a 2-day reporting close and costs less than one year of an extra financial controller.

Why manual reporting costs more than it looks

In a 6-subsidiary group, each entity exports its trial balance, analytical ledger and sales data from a sometimes different ERP (Sage for one, NetSuite for another, Xero for the newest). Financial control then reworks these files, maps charts of accounts, eliminates intercompany flows and rebuilds the consolidated P&L. Every month, the same work starts again.

The real gain is not only time. The CFO has reliable numbers on working day 3 instead of day 8, which changes the quality of board meetings and responsiveness with lenders.

Technical building blocks and their price

The pipeline has three layers: connectors that pull ERP data every night, a data warehouse (PostgreSQL, Snowflake or BigQuery) that stores the harmonised history, and a presentation layer. Power BI suits most groups already on Microsoft 365. A custom dashboard makes sense when the group shares reporting with shareholders or banks under fine-grained permissions.

Recurring costs stay modest: Power BI Pro licences around EUR 13 per user per month, warehouse hosting between EUR 80 and 300 per month, and evolutive maintenance of EUR 2,000 to 5,000 a year.

Automate or hire a financial controller?

An experienced financial controller in London costs roughly EUR 65,000 fully loaded per year in 2026 (often more). Hiring absorbs the workload but removes neither input errors nor the dependency on one person during holidays. Automation is paid once and makes reporting repeatable. The best setup is often to automate production and redirect the existing controller to margin analysis and cash forecasting.

Mini case study

Emma, CFO of a London services group with 6 subsidiaries, spends 5 days a month on reporting with her controller, or 60 days a year. On a base of EUR 65,000 fully loaded for 210 working days, that is about EUR 18,500 a year. The chosen project costs EUR 24,000, plus EUR 4,500 of annual recurring costs. After automation, 2 days a month remain, more than half of it analysis: 36 days are freed, worth about EUR 11,100 a year. Direct financial payback takes just over 3 years, but Emma above all avoids a planned EUR 65,000 hire, which makes the project profitable in year one.

FAQ

Do we need to change ERP to automate reporting?

No, the connectors read data from existing ERPs. A group with 3 different ERPs only adds EUR 2,000 to 4,000 in connectors.

Power BI or a custom dashboard?

Power BI is enough in 80% of cases for internal use. Custom work is justified to share reporting with third parties, for EUR 5,000 to 10,000 more.

How long does the project take?

Plan 8 to 12 weeks, including 2 closes run in parallel with the old process to validate figures to the cent.

Is financial data secure?

The warehouse is hosted in the UK or EU, encrypted, with access rights per subsidiary. Access logs are kept for at least 12 months.

Can we add budget and forecasts?

Yes, a budget versus actual module adds EUR 3,000 to 6,000 and tracks variances from working day 3.

Let's scope your project. Tell us the number of subsidiaries, your ERPs and your current close timeline, and we will scope a reporting pipeline between EUR 15,000 and 35,000 delivered in 8 to 12 weeks. Detailed quote within 48 h. WhatsApp +221 77 596 93 33.