One Events

We’re delighted to announce that One Marylebone and The Greenhouses will be exhibiting at the London Christmas Party Show this June 🎄✨

If you’re an event agent or corporate event buyer seeking festive inspiration and top‑tier event solutions, this is the place to be. Discover over 150 of London’s leading venues and suppliers, enjoy complimentary food and drink, and take part in engaging seminars and workshops - all free to attend.

Join us and start planning your 2026 Christmas celebration. Register here to attend: https://www.londonchristmaspartyshow.com/

We’re proud to be partnering with Miss Jones Group ✨

Through this partnership, we’re connected to a thriving community of EAs, PAs, and event bookers 🎉 When bookers choose One Marylebone through Miss Jones, they also earn reward points that can be redeemed for luxury stays, dining, and more 🥂 We’re excited to be part of this community and to showcase everything we have to offer! 💫