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NetherlandsProfessional services2025 – ongoing

PwC Amsterdam

ISS-operated kitchen food-waste reduction with Winnow

PwC Amsterdam's ISS kitchen reported 40% less food waste with Winnow

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Problem

The ISS-operated kitchen at PwC Amsterdam struggled with overproduction and limited visibility into waste. Banqueting demand was particularly variable.

Approach

The kitchen introduced Winnow's AI food-waste system and used daily and weekly reports to adjust production. Staff reduced portions and reused surplus ingredients. They also combined waste information with point-of-sale data to replace unpopular dishes.

Results

40%reduction in food waste by weight, per WinnowVendor case study[1]
$124,000annualized food-waste savings, per WinnowVendor case study[1]

Takeaway

The kitchen changed production quantities and menus in response to waste measurements. The reported savings included those operational changes.

Categories

Business function
Production and quality
Innovation type
Process innovation
Evidence
Vendor case study

Sources

Source summaries

[1]Winnow2025

Winnow described the kitchen's use of waste reports to change preparation and menus. It reported 40% less waste by weight and $124,000 in annualized savings.

Full details are in the original sources.

Added 1 Nov 2026 · Updated 1 Nov 2026
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