Walsh Witney is a firm of private investigators in Cambridge specialising in tracing, surveillance and criminal inquiries. We also offer a range of other expert services, including litigation support, matrimonial inquiries and fraud investigation.

Our aim is to provide our clients with peace of mind, discretion and a cost-effective service and to enhance our industry’s reputation by operating with integrity, respect and within the bounds of law at all times.


Our Cambridge private investigators conduct inquiries using the latest industry techniques and technology. We also tailor our services to suit you, thereby providing a flexible and stress-free experience.


Another reason for choosing Walsh Witney is our strong ethical code. We conduct all investigations in accordance with the law – without exception.