The following is an incomplete list of training centres, research and development sites, administrative sites and other establishments used by the Special Operations Executive during the Second World War.

Numbered stations

Establishments concerned with experimental work, storage and production were given Roman numerals (mostly in Hertfordshire). Active stations and training schools had Arabic numbers. These included paramilitary schools around Arisaig in Scotland, "finishing" schools around Beaulieu in Hampshire and operational schools in various counties including Gloucestershire, Leicestershire, Oxfordshire.

Active stations

These were SOE's radio stations, established when SOE's signals establishments were separated from that of SIS / GCCS at Bletchley Park (originally "Station X"). This formally took place on 1 June 1942.

Experimental stations

Experimental stations were mainly based in and around Hertfordshire, and included:

Training schools

Other sites

Other stations, whose code numbers are unknown, included: