Twitter/X

On 2026-02-25 @brett_finance warned that smaller businesses operating one…

2026-02-25 · 14:41 UTC ·@brett_finance ·1 min read

Brief

@brett_finance argues that a single P&L is fine early on but becomes restrictive for hiring unit leads, delegating P&L ownership, creating department budgets, and evaluating business segments. He recommends using QuickBooks Online "classes" to create segmented P&Ls (one-afternoon setup, planning required) so monthly reports reveal which parts subsidize others.

Why it matters

On 2026-02-25 @brett_finance warned that smaller businesses operating one aggregate P&L hit limits when scaling and recommended a segmented P&L implemented in QuickBooks Online via the "classes" feature; setup takes "one afternoon" but planning how to map accounts is the hardest part.

Key details

  • Common segmentation approaches: by sales channel (online vs in-person), business unit (landscaping vs construction), or budget ownership (controllable vs non-controllable); mappings can be applied retroactively and the first monthly class report will likely show one unit quietly carrying another.
Source evidence

title: @brett_finance: Smaller businesses usually operate one P&L.

One big list of revenue.
One big list of expenses....
author: @brettfinance
contenttype: tweet
publication: Twitter/X
published: 2026-02-25T14:41:27+00:00
sourceurl: https://x.com/brettfinance/status/2026668872351252521

word_count: 190

Smaller businesses usually operate one P&L.

One big list of revenue.
One big list of expenses.
Income at the bottom.

And for a while that's fine.

But at some point this becomes restrictive if you're trying to level-up the business:
- Hiring business unit leads
- Delegating P&L ownership
- Creating department budgets
- Evaluating aspects of the business independently

In corporate finance we called this a segmented P&L. Leadership teams couldn't operate without it - and it's pretty simple to set up in QBO...

QBO calls this "classes." It takes one afternoon to set up - but the hardest part is planning how you'll do it.

I've seen companies split P&Ls by sales channel (online, in-person), business unit (landscaping, construction), and budget ownership (controllable expenses, not controllable).

Set this up once, ensure you are correctly mapping revenue and expenses to each class (can do this retroactively too if needed), then each month you can pull financial results by class.

First month you run this report, you'll probably find that one part of your business has been quietly carrying another. Most owners have suspected it for years. Now you'll know.