UC Global S.L.
spanish security company
First hired to protect the Ecuadorian embassy
in London, then
Spied on Assange in the embassy
in London
Spied on behalf of 'the American friends' likely to be CIA
.
sources
https://english.elpais.com/spanish_news/2020-09-10/us-demands-hinder-spanish-probe-into-alleged-cia-ties-to-security-firm-that-spied-on-assange.html
https://www.computerweekly.com/news/252486923/Former-UC-Global-staff-confirm-Embassy-surveillance-operation-against-Julian-Assange