St Mary’s Marylebone
Events at St Mary’s Marylebone
Full AV production, entertainment and event management for corporate events and private celebrations at St Mary’s Marylebone.
Your production partner at St Mary’s Marylebone
We provide AV production, entertainment and event management for events at St Mary’s Marylebone, located just an eight-minute walk from Baker Street.
And with 650+ five-star reviews and a money-back guarantee, we make sure the event you are responsible for is one you can hand over with confidence.
Details
Capacity: Up to 600 theatre, 600 standing, or 300 dining standing.
Location: Just an eight-minute walk from Baker Street (five tube lines), and close to Marylebone and Edgware Road stations.
Style: Georgian architecture with an adaptable, contemporary edge contemporary edge.
Features: Natural light, in-house AV, sound, lighting system, commercial kitchen, disabled access, four meeting/social rooms, cloakroom.
.Licensing: Licensed for private and corporate events, wine tastings, concerts, fashion shows, dining events, and wedding receptions.
Accessibility: Step-free access throughout, with accessible toilets and wheelchair access.
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What we bring to the space
Clownfish Events covers the full production of events at St Mary’s Marylebone: the AV, the entertainment and the management of the day itself.
AV Production
We handle lighting, sound and video for events at St Mary’s Marylebone that fits alongside and in addition to the venue’s built-in system.
This striking Grade I-listed Georgian venue sits in the heart of London, just an eight-minute walk from Baker Street (with five tube lines running through it) and close to Marylebone and Edgware Road stations.
Inside, soaring fifteen-metre ceilings, stained-glass windows and original oak flooring meet a fully adaptable, blank-canvas layout, split between the dramatic Great Hall and the more modern, versatile Undercroft. The venue offers natural light, an in-house AV, sound and lighting system, a commercial kitchen, four meeting or social rooms and disabled access throughout, with accessible toilets and wheelchair access as standard.
It’s licensed for private and corporate events, wine tastings, concerts, fashion shows, dining events and wedding receptions, with capacity for up to 600 guests theatre-style or standing, or 300 for a seated dinner.
Event Entertainment
Clownfish supplies and runs event entertainment at St Mary’s Marylebone, from arcade machines and games to live performers, with our own hosts on the floor.
We own our everything and keep it in show-ready condition, so what arrives is what you saw on your proposals.
Our hosts work throughout the event, ensuring everything runs smoothly, as well as keeping the energy up across the Great Hall and Undercroft.
Event Management
We manage your whole event at St Mary’s Marylebone, from the first plan through to pack-down and post-event debrief.
You get one team and a single point of contact across the production and schedule, so planning stays in one place and the day runs to the plan you have signed off.
We build the run of show with you and coordinate with the St Mary’s Marylebone events team on access and timings, across whichever combination of the Great Hall and Undercroft your event needs.
Audio Visual Production for your Company’s Key Events
At Clownfish Events, we believe great AV production is the backbone of any successful event. From dynamic lighting designs to crystal-clear sound systems, we provide the tools and expertise to captivate your audience and create lasting memories.
Private celebrations at St Mary’s Marylebone
We produce private celebrations at St Mary’s Marylebone, from wedding receptions to milestone birthdays across the Great Hall and Undercroft.
The venue’s soaring ceilings and stained-glass windows give us a striking blank canvas to light and dress for the occasion, whether that’s an intimate dinner or a full-scale party for hundreds of guests.
The hosts and technicians who run our corporate events, run the private celebrations too, with the same owned kit, so your celebration gets the same standard as a corporate gala.
Real-life customer stories.
The biggest thing on the day was the complete transformation of the room… It was essentially a big studio before and they completely transformed it into what was an incredible gala dinner
Jess Valentine Marketing Manager, Surrey Sports Park
Have we reeled you in?
Organising the complicated stuff doesn’t have to be complicated.
STEP 1
Share your event details with us
Reach out to us to discuss your upcoming event – we’re real people here to answer any questions you might have.
STEP 2
Get your bespoke
Clownfish plan
We’ll craft a tailored quote and partner with you every step of the way to ensure your event is just right.
STEP 3
Celebrate with your guests (while we do the work)
Sit back and relax while we take care of creating a 5-star event experience for you and your guests.
Flawless in Action.
Every event tells a story, here are a few that went from vision to flawless reality.
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St John’s School Graduation & After Party
Event Inspiration
24 October 2025
Clownfish Events -
Power House Summer Festival
Event Inspiration
22 July 2025
Clownfish Events -
Loaf Summer Party
Event Inspiration
26 June 2025
Clownfish Events