Do you charge booking fees?

No. Our venue-finding service is completely free for event organisers — we are paid by the venues we partner with, never by you.

How many venues are listed?

Over 25,000 verified conference venues, meeting rooms, hotels and unique event spaces across 18 countries.

How fast will I receive proposals?

Tailored proposals are typically delivered within 2 hours during UK business hours. VenuClaw, our AI assistant, is available 24/7.

Who is behind InternationalVenues.com?

InternationalVenues.com is operated by Jigsaw Conferences Ltd — a UK venue-finding agency trusted by government, FTSE 100 and procurement teams since 2003. ISO 27001 certified.

Do you cover venues outside the UK?

Yes. We source venues across Europe, the Middle East, the Americas and Asia-Pacific. Most enquiries are sourced within 2 working hours regardless of region.

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London vs Sion

Venues Comparison

Compare 1,653 venues in London with 48 in Sion. Real data from 1,701+ verified venues.

1,701

Total Venues

1,653

London

Sion

Get free quotes

Head-to-Head: London vs Sion

Metric

London

Sion

Total Venues

1,653

Leads

Avg Capacity

604

Leads

—

Max Capacity

100,000

Leads

—

Venue Variety

284

Leads

—

Avg Theatre

604

Leads

—

Venue Type Breakdown

London

Hotel

578

Serviced Apartments

100

Conference Centre

Boutique Hotel

Business Centre

Sion

Top Venues in Each City

London

Earls Court Exhibition Centre

Exhibition Centre

Up to 100,000

West Ham United Stadium (London Stadium)

Stadium & Event Venue

Up to 66,000

Tottenham Hotspur Stadium Events & Conferences

Stadium Conference & Event Venue

Up to 62,850

ExCeL London

Exhibition Centre

Up to 40,000

Lord's Cricket Ground

Sports Venue & Conference Centre

Up to 31,000

Earls Court & Olympia

Exhibition Centre

Up to 30,000

Browse all London venues

Sion

Old Penitentiary Museum

Usine de Chandoline

l'igloo - Salle de conférence

Salledeconf.ch - Room Conference Sion

Ferme-Asile / Centre Artistique et Culturel

Sion sous les étoiles

Browse all Sion venues

Frequently Asked Questions

London offers the larger selection with 1653 venues compared to 48 in Sion. Both cities provide a strong range of options for event organisers looking for venues.

The average maximum capacity in London is approximately 604 guests, while Sion averages around 0 guests. This makes London better suited for larger events.

Yes. The largest venue capacity in London is up to 100,000 guests, and in Sion up to 0 guests. Both cities cater to events of all sizes, from intimate boardroom meetings to major conferences.

London offers 284 different venue types including Hotel, Serviced Apartments, Conference Centre, Boutique Hotel. This diversity makes it easy to find the perfect space for your event.

Sion offers 0 different venue types including various venue categories. Event planners can choose from a wide variety of spaces.

Consider your event size, budget, and delegate travel. London has 1653 venues with larger average capacities. Sion offers 48 options with excellent accessibility. Use our free venue-finding service to get tailored recommendations for both cities.