International event staffing Spain

Large event teams, proven on site.

A selection of international congresses, exhibitions, summits and major events where Siglo 21 has delivered multilingual teams across Spain.

EASL Congress event professional welcoming attendees
Congress · Barcelona · 2026

EASL Congress

Five days of multilingual staffing for an international medical and scientific audience at Fira Barcelona Gran Via.

200 bilingual professionals
FESPA Global Print Expo team
Exhibition · Barcelona · 2026

FESPA Global Print Expo

Visitor, hospitality and conference support for an international exhibition welcoming 14,000 visitors.

60+ bilingual professionals
IFEMA Madrid event professional assisting attendees
Recurring fair service · Madrid

IFEMA MADRID

Visitor and exhibitor teams for major international fairs in one of Europe's leading venues.

Up to 200 professionals
Formula 1 Spanish Grand Prix operational team
International sporting event · Madrid · 2026

Formula 1 Spanish Grand Prix

A bilingual operational support team working across a five-week international event programme.

50 bilingual professionals
NATO Summit Madrid event team
International summit · Madrid · 2022

NATO Summit Madrid

A multilingual team supporting an international summit with delegations from 30 member countries.

160+ professionals
COP25 Madrid event staff
Global summit · Madrid · 2019

COP25 Climate Summit

Month-long staffing for a United Nations summit with delegations representing around 200 countries.

180+ professionals
Technology congress · Barcelona

Spain Pavilion at MWC

Ongoing support for institutional and VIP hospitality at Mobile World Congress.

A multi-year collaboration
Interihotel event staff supporting the welcome and registration desk
Recurring event partnership

Interihotel

A growing team across successive editions, adapting to the needs of each event while maintaining a consistent guest experience.

3 years · 90 professionals in the latest edition
ASLAN Congress event staff team
Technology congress · Madrid

ASLAN Congress

Five years selecting, preparing and coordinating event teams for a client that continues to choose Siglo 21.

5 years of collaboration

Our role is simple to describe: protect the guest experience and the brand behind it.

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