

In Vitro has worked for a wide range of clients, including agencies () and pharmaceutical companies (R) such as:
Ad-
Advanti Ltd (UK) R GlaxoSmithKline
Archimed (Switzerland) R GSK Biologicals
HealthEd (UK) R Novo Nordisk
Gardner Caldwell Communications (UK) R Serono
In Vivo Med Comms UK
Prima Communications (UK)
The Practice (Healthcare Ltd (UK)
Transart Pharmaceuticals (UK)
Wellcome Trust