TOP 10 — Spain

The reservation system running much of the world's air travel.

IBEX-35-listed tech group behind mission-critical systems in transport, defense and energy.

The conversational-style forms and surveys builder, Barcelona's best-known SaaS export.

All-in-one HR software for SMBs, one of Spain's most prominent unicorns.

Spain's most-used secondhand marketplace app, also present in France and Italy.

The reference real-estate portal across Spain, Portugal and Italy.

Doctor-appointment booking platform operating across a dozen countries.

Security data-analytics platform founded in Spain, now US-headquartered.

Brand-protection and online counterfeit-detection software.

Cloud ERP vendor for retail, one of Spain's open-source software pioneers.