London conference venues
Conference venues and event agencies in London, each profiled from the organisation's own published information with a link to its official source.
The directory lists seven conference and event venues in London, including Business Design Centre, Church House Westminster and Excel London, and 13 event agencies, including emc3 and FIRST. Profiles were last checked between 23 and 24 October 2026. Event agencies in London.
Venues in London
Business Design Centre
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Grade II listed Islington venue in the former Royal Agricultural Hall, owned by Excel London since 2024, with rooms for 15 up to a 2,000 sq m Mezzanine. Up to 1,500 · 12 spaces
Church House Westminster
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Church House Westminster offers a mix of large halls and smaller meeting rooms in a listed Westminster building. Up to 600 · 19 spaces
Excel London
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London exhibition and conference venue in the Royal Docks, with 125,000 sq m of integrated space and its own Elizabeth line and DLR station at Custom House. Up to 4,200 · 13 spaces
Olympia London
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West London events destination whose hosting pages name the Grand Hall, National Hall, West Hall and a conference space called The ICC, alongside the British Airways ARC. Up to 5,000
QEII Centre
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Westminster conference and exhibition venue opposite Westminster Abbey, open since 1986, with capacity up to 2,500 and a self-contained large-event floor. Up to 1,300 · 32 spaces
10 Union Street
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10 Union Street offers meeting and conference rooms near London Bridge, with additional spaces for receptions, dinners and content production. Up to 280 · 13 spaces
RCP London Events
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RCP London Events offers event space at the Royal College of Physicians beside Regent's Park. Up to 300 · 12 spaces
Event agencies in London
emc3
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Events agency combining strategy, content, creative and technical production with venue sourcing and a stated sustainability focus; emc3 Ltd's registered office is in London.
FIRST
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Global brand-experience agency offering full-service event partnerships or specialist staff embedded in client teams, with a London office and offices in New York, Los Angeles, Dublin and Singapore.
Identity
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Experience agency covering brand experience, event management and production, content and broadcast, technology and strategic advisory, with UK offices and a Hertford production base.
Principal. Global Events
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London event-management agency with a US office in Austin, offering event management, production, digital events, experiential activations, delegate management and styling.
Collider
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Collider is a creative brand-experience agency whose published work spans activations, events and content across physical and digital formats.
Live Group
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Live Group offers event management, audience insights, delegate management, AV production and event content.
Seventa Events
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Seventa Events provides event production, conferences, brand activations, event management and venue sourcing.
Sledge
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Sledge describes its work as live events and film, with a public portfolio covering corporate and brand experiences.
Strata
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Strata is a brand-experience agency with published work spanning conferences, automotive experiences, exhibitions and virtual events.
Make Events
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Events agency founded in Manchester in 2012, delivering conferences, incentives, awards and brand activations, with offices in Wilmslow and London.
Cheerful Twentyfirst
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Cheerful Twentyfirst creates live events and brand experiences, including corporate conferences and experiential campaigns.
Audience
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Audience develops brand experiences, events, content and campaigns using its Audience-ology approach.
Wonder
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Wonder develops business experiences across conferences, employee engagement, product launches, exhibitions and sponsorship activations.