Scaling Europe 50

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Top Spanish Tech Companies 2026

1 of the fastest-growing private technology companies in Spain appear on the Scaling Europe 50 — Europe's data-led ranking of breakout tech, scored on verified revenue growth and scale.

View interactive rankings Open roles at these companies
Companies
1
Capital raised
$109M+
Sectors
1

The ranking

  1. #5
    Submer Climate & Energy · Rubí, Spain · Liquid cooled datacenter scale smarter
    2654% growth
    $109M raised

About this list

The Scaling Europe 50 ranks Europe's fastest-growing private tech companies using a transparent, data-led methodology. Companies are scored on verified revenue growth, capital efficiency, and headcount expansion across the most recent reporting period. Inclusion is based on company HQ — every business above is headquartered in Spain.

For the full European ranking visit the Scaling Europe 50, browse tech jobs at these companies, or read about our methodology.