---
title: "ABC customers"
description: "Which customers drive your contribution margin over the last 12 months (ABC/Pareto)."
url: https://support.sapera.io/en/articles/725-abc-customers
collection: "SaperaBI"
updated: 2026-10-09
language: en
alternates: [da]
---

# ABC customers

Which customers drive your contribution margin over the last 12 months (ABC/Pareto).

The **ABC-kunder** (ABC customers) tab ranks your customers by contribution margin over the last 12 months, so you see which few drive most of it — and which cost more than they bring in.

## What the page shows

-   Key figures: number of A customers, the A customers' share of the contribution margin and the total number of customers.
    
-   A Pareto curve of the contribution margin per customer category (last 12 months), coloured by class.
    
-   ABC segmentation: A (top 80% of the margin), B (next 15%), C (last 5%) and D (zero or negative margin).
    
-   The table **Kunder (seneste 12 mdr)** (customers, last 12 months) with rank, margin, cumulative %, class and **DB kunde (i år)** (customer margin this year) next to it.
    
-   A list of loss-making customers (class D), most negative margin first.
    

## How to use it

-   Use the segmentation to nurture the A customers and review the terms for D.
    
-   **Periode** (period) and **Kategori** (category) only affect the **DB kunde (i år)** figure — rank and classes are always the last 12 months.
    
-   Right-click a customer and choose **Drill through** → **Debitor-bilag** (Receivable vouchers) to see the customer's vouchers.
    

## Good to know

-   The ranking is rolling: it is always based on the last 12 months, not on a fiscal year.
    
-   Anonymous POS sales without a customer are not included.
    
-   Classes are computed per shop. If you select several shops, the customer's best class is shown — "A" means A in at least one of the shops.
    
-   You only see data for the shops you have access to in Sapera.
    

## Related

-   [ABC products](https://support.sapera.io/en/articles/724.md)
    
-   [Customer analysis](https://support.sapera.io/en/articles/727.md)
    
-   [Glossary — terms and abbreviations in SaperaBI](https://support.sapera.io/en/articles/732.md)