Established 1968 · London

Clients & Partners

The firm serves research institutions, assessment vendors, academic programmes, clinical practitioners, and archival facilities. The organisations below have consented to public identification as partners or clients. Many of the firm's clients do not appear here, consistent with the confidentiality practices that govern all engagements.

Neatly stacked finished print materials with textured covers in an archival storage setting.
Finished materials in archival storage. Every item is catalogued, condition-assessed, and stored under climate-controlled conditions with full chain of custody documentation.
Stacks of archival documentation files and paperwork in an institutional records facility.
Institutional documentation holdings. The firm's largest single archive contains 4.7 million response protocols, managed under the same chain of custody and environmental controls applied to all client materials.