← InsightsReporting

From monthly report to decision aid

A good monthly report shows not only what happened but what needs deciding. How to structure reporting that management and the bank actually use.

By Linus Lange-Wühlisch · Managing Partner · Engagement Lead & Financial PlanningPublished 16 June 20263 min read

Most monthly reports answer the wrong question. They show in detail what happened last month — but barely what needs to be decided for the months ahead. That turns reporting into documentation rather than a decision aid. The difference lies not in the tool but in the mindset: a good report starts with the question of which decision it should support.

Report or decision aid

A report lists numbers. A decision aid frames them: it shows the variance, the cause and the option to act. Three building blocks make the difference — a comparison against a reference, a brief interpretation, and a concrete recommendation or open question for management.

Structure of a decision-ready monthly pack

An effective pack fits on a few pages. The order matters: the most important first, the evidence after.

Resource — structure of a monthly pack
  1. Key message — three to five sentences: where the company stands, what needs deciding.
  2. Traffic-light overview — earnings, liquidity, profitability and lead indicators at a glance.
  3. Variances — the largest plan-actual differences with a short cause.
  4. Liquidity outlook — the 13-week view and risks.
  5. Decisions / open questions — what management should resolve.
  6. Appendix — detailed tables for those who want to go deeper.

Language and format

A decision aid speaks the language of management, not of bookkeeping. That means a few labelled charts instead of walls of numbers, consistent references (plan, previous month, prior year), and a clear separation between what happened and what to do. Consistency beats completeness: delivering the same structure every month enables comparison and routine.

From practice — anonymised

At an owner-managed industrial supplier, monthly reporting had previously been ready only on the 12th working day and consisted of raw tables. After moving to a standardised decision pack with a key message and traffic-light overview, the report was available from the 3rd working day — and conversations with the house bank could be held at short notice with solid documents. Figures from internal management data, released for publication.

Common mistakes

A monthly report that opens with a clear key message and ends with concrete decisions saves management time and turns numbers into steering.

This article is based on Northmont Advisory's own consulting practice and deliberately contains no external statistics.

LW
Linus Lange-WühlischManaging Partner · Engagement Lead & Financial Planning

Combines experience from audit work with several years of entrepreneurial practice. Focus: financial analysis, reporting structures and the hands-on implementation of commercial steering systems for mid-sized companies.

More about the team →
Initial call

Missing reliable numbers for the decisions ahead?

In a no-obligation initial call we clarify which financial structures are missing, what a realistic effort looks like, and whether Northmont is the right partner.