---
title: "The four-day week, according to the payroll data"
description: "Companies that cut a day say productivity held steady. Payroll records from 300 firms show where that's true, and where the extra day quietly came back."
date: 2026-11-05
section: "Business"
authors: ["Owen Castellano"]
format: analysis
tags: ["work","data","productivity"]
url: https://baselayer-blakey-sanity.pages.dev/news/four-day-week-payroll-data/
---

# The four-day week, according to the payroll data

Ask a company that adopted a four-day week how it’s going, and you’ll usually hear the same answer: great. Output held steady, staff are happier, and hiring got easier. Surveys back that up.

But surveys measure how people feel. Payroll records measure what they do. Blakey reviewed anonymized payroll and scheduling data from about 300 small and mid-sized firms shared by a workforce software provider. The picture is more mixed than the press releases suggest.

## Who kept the day off

Office-based firms in software, marketing, and professional services were most likely to stick with a shorter week. After a year, about three in four still scheduled four days. Their overtime hours rose slightly, but not enough to erase the cut.

Firms with customer-facing roles had a harder time. Retail, logistics, and clinics often switched to staggered schedules so the doors stayed open five or six days. Individual employees still worked four days, but the company didn’t.

## Where it crept back

In about a fifth of firms, the extra day returned quietly. Not through a policy change, but through “optional” Friday meetings, on-call rotations, and longer Thursdays. Average weekly hours drifted back toward the old number within nine months.

> The four-day week rarely failed outright. It eroded.

Managers we interviewed described this as unplanned. Deadlines slipped, someone stayed late, and the habit spread.

## Productivity, measured carefully

Revenue per employee held steady or rose at most firms that kept the schedule. But that’s a blunt number, affected by prices, hiring, and the economy. It says the four-day week didn’t hurt. It doesn’t prove it helped.

What does stand out is retention. Firms on a shorter week lost fewer employees, and the effect was largest among parents and workers over fifty.

## The takeaway

The four-day week works best where work can be compressed and measured by output: writing code, not staffing a counter. Where it works, it’s durable, as long as someone protects the fifth day. The firms that kept it had one thing in common: a manager whose job included saying no to Friday.