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Ferrous

Seed+

Hardware

Porto

Cohort 06

Ferrous

Sensors and software that certify the recycled content of steel for construction buyers.

Founded by Rui Antunes and Clara Bento

Ferrous

Recycled steel, traced end to end.

Week 0 against week 16.

Monthly revenue posted to the cohort board at the first and last Friday review.

Week 0
$41k
Week 16
$77k

1.9×

Growth in 16 weeks

$4M seed extension

Raised after Demo Day

Cohort 06

Spring 2025

What changed.

Week 0

Ferrous sold to large builders with nine-month sales cycles.

During the program

The program focused on a smaller first product for mid-size fabricators that could close in six weeks.

Week 16

Revenue grew 1.9× and the shorter cycle let the company raise a seed extension.

Applications close 30 November

Your numbers could be next.

Twelve places in Cohort 09. You’ll hear back within ten days, with notes either way.

Applications close 30 November

Your numbers could be next.

Twelve places in Cohort 09. You’ll hear back within ten days, with notes either way.

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