Holland House library after air raid, c. 1940. © English Heritage

Holland House library after air raid, c. 1940. © English Heritage

Research and advisory services for governments, companies, organisations and individuals

Thesigers is a privately owned firm headquartered in the United Kingdom. We provide services managed by staff at our London office, and work with a vetted network of associates and partners around the world.
We specialise in desk and field inquiries of an historical, social science and area studies nature. We support the full range of research activities, and focus on the geographies of Africa, Asia, Europe and the Middle East.
We take a systems approach to understanding the research and advisory needs of our clients, and we apply our core capabilities through service lines structured to support strategic, integrity, forensic and heritage requirements.