Get in touch Replies within a working day
Send us
a note.
We read everything and reply within a working day. For something urgent — a missing parcel, a damaged box — mention the word ‘urgent’ and we'll prioritise it.
Directly
Email
supersleuth@cosykiller.com.
Phone UK (+44) 0203 011 2215 — Mon–Fri, 9am to 5pm.
Stuck on a case?
Write to supersleuth@cosykiller.com with your case name and the document you're stuck on. We'll nudge you — without spoiling — toward the right trail.
Post
Cosykiller, c/o RHG Events Ltd
27 Osborne Street
Grimsby
North East Lincolnshire
DN31 1EY
United Kingdom