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Case study · Finance

Management accounts the day after close

Finance teams in growing businesses spend days building the monthly pack in Excel. This is how we built management accounts, KPIs and a rolling cash flow forecast in Power BI from the ERP, so the board pack is ready as soon as the books close.

Project overview

Finance reporting on Power BI.

Industry
Cross-industry finance
Client
Confidential
Solution
Management accounts
Platform
Power BI
Timeline
6–10 weeks
Team
2 people
Source
ERP general ledger
Forecast
13-week cash flow
Users
Finance, directors, board

Expected business outcomes

What the client set out to gain

Time saved on the pack and earlier sight of cash are the main benefits.

  • 2–4 days Saved each month on the board pack

    P&L, balance sheet and KPIs refresh from the ledger.

    Target range; depends on pack complexity

  • 13 weeks Rolling cash visibility

    Cash flow forecast from receivables, payables and planned payments.

    Updated weekly from the ERP

  • One Version of the numbers

    Directors and finance use the same model and definitions.

    Where the old spreadsheet pack is retired

Business challenges

How management reporting worked before

The ERP holds the numbers; Excel builds the story.

Pack

Trial balance exported and rebuilt in Excel every month.

Budget

Budget in a separate workbook, compared manually.

KPIs

Operational figures collected from managers by email.

Cash

Cash forecast in a spreadsheet updated when someone has time.

Board

Directors receive a PDF with no way to drill into the numbers.

Proposed solution

What the Power BI build covers

A finance model built on the general ledger and budget.

  • P&L and balance sheet

    Management layouts with drill-down to transactions.

  • Budget and forecast

    Actual versus budget and forecast by department and period.

  • Cash flow forecast

    A 13-week forecast from receivables, payables and payroll.

  • KPIs

    Gross margin, overheads, debtor days and other agreed measures.

  • Board view

    A concise board page with commentary fields.

  • Access control

    Directors see summaries; departments see their own costs.

Project requirements

What the client asked us for

The request was to stop building the pack by hand. We replicate the existing pack first, so the board sees familiar numbers, then improve it.

The cash forecast is often the most valued part, because it answers the question directors ask most.

What the project had to deliver

  • 01A pack that refreshes itself
  • 02Budget comparison built in
  • 03Weekly cash visibility
  • 04Drill-down instead of questions

Key challenges & considerations

What made it harder, and what we did

  1. Chart of accounts that doesn't match management layouts

    What we did

    A mapping table, maintained by finance, turned the chart of accounts into the management layout.

  2. Budgets kept outside the ERP

    What we did

    Budgets were loaded into the model from a controlled template.

  3. Manual adjustments made in the pack

    What we did

    Manual adjustments were moved into the ledger or into documented rules.

  4. Directors used to PDFs

    What we did

    The pack matched the old PDF first, then added drill-down so that directors moved across by choice.

What we watched for

  • Match the old pack first
  • Keep account mappings maintainable by finance
  • Remove manual adjustments from the process
  • Put the cash forecast on page one

Development process

Replicate, then improve

The first version matches the current pack exactly.

  1. Stage 1

    Mapping

    Ledger accounts mapped to management lines.

  2. Stage 2

    Model

    Finance data model with budgets built.

  3. Stage 3

    Pack replica

    Current pack rebuilt and reconciled.

  4. Stage 4

    Cash forecast

    13-week forecast added and tested.

  5. Stage 5

    Handover

    Finance team trained to maintain mappings.

Technology stack

Power BI on the ledger

Direct connection to the ERP with a small data store where needed.

Reporting

  • Power BI
  • Paginated reports

Sources

  • Business Central API
  • ERP general ledger
  • Budget files

Data

  • Dataflows
  • Azure SQL

Governance

  • Row-level security
  • Scheduled refresh

Quality assurance & deployment

Every figure reconciled before anyone relied on it

A dashboard is only useful if its numbers are believed. Each measure was reconciled to its source, and to finance where money was involved, before the report was released.

  • Each measure reconciled to its source system
  • Financial figures signed off by finance
  • Data quality checks on every refresh: completeness and freshness
  • Row-level security tested with real user accounts
  • Report performance tested at full data volume

Deployment

  • 01Cash forecast13-week forecast added and tested.
  • 02HandoverFinance team trained to maintain mappings.
  • 03Deployment pipelinesReports moved from development to test to production through controlled pipelines.
  • 04Adoption and warrantyTraining for report users and builders, usage reviewed, and six months of free bug fixing.

Final deliverables

A board pack that builds itself

The monthly pack is ready as soon as the books close, with drill-down for any question and a rolling cash forecast updated weekly.

Finance spends the saved days on analysis and commentary.

  • Automatic management accounts
  • Budget comparison
  • 13-week cash forecast
  • Board-ready views

Handed over to the client

  • 01Data model and pipelinesDocumented and scheduled
  • 02Reports and dashboardsPublished with security roles
  • 03Measure definitionsEvery figure documented
  • 04TrainingFor report users and report builders
  • 05Six-month warrantyFree bug fixing after delivery

Success metrics

How success is measured

MeasureOutcomeHow it is measured
Saved each month on the board pack 2–4 days Target range; depends on pack complexity
Rolling cash visibility 13 weeks Updated weekly from the ERP
Version of the numbers One Where the old spreadsheet pack is retired

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