Sample data
Northwind Manufacturing. Start your 14-day trial to connect your QuickBooks.Start your 14-day trialSample data · 2026-Q1
Customer & job profitability for Northwind Manufacturing, Inc.
This is MarginLens running on sample QuickBooks data. See the margin picture below, then connect your own QuickBooks to run it on your real customers.
Overall contribution margin
42.5%
Across 20 customers
Most profitable customer
Precision Fluidics
56.0% contribution margin
Least profitable customer
Keystone Industrial
-4.0% contribution margin
Margin by product line
Contribution margin across Northwind's three product-line segments.
Filtration
42.7%
$3,816,000 revenue
Valves
38.0%
$2,696,800 revenue
Custom Fabrication
47.7%
$1,704,400 revenue
Every customer's profitability
Full per-customer contribution and net margin, with unprofitable-customer and erosion flags.
20 customers · 2 flagged
2 customers are losing money
Including the unprofitable accounts. See every customer's margin — work email.
Run this on your own books
Sample data
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