WHAT'S IT ALL ABOUT?
Bringing together a vibrant community of talented people, combined with great ideas, in a show-stopping place.
Located at Castle House, in the heart of Sheffield's historic city centre, Kollider is your new destination to work, host, socialise and play.
+ A COMMUNITY
We've got an exciting line up of events, seminars and workshops, run in conjunction with leading thinkers, doers and strategists.
To find out what's on at Castle House, check out our event calendar.