Branch Office
Concept · Stellaris 4.5.2
Branch Office in the Stellaris encyclopedia: Branch Offices provide a percentage of the target world's Trade as Energy Credits to the Corporate owner.
Branch Office in the game's words
The encyclopedia entry as the game shows it in its tooltips; underlined words open their own entry or page here.
Branch Offices provide a percentage of the target world's 
Trade as 
Energy Credits to the Corporate owner.
Up to 4 branch office buildings can be constructed in the 
Colony View of the target world, with additional slots unlocked by capital upgrades.
Source: common/game_concepts (concept_branch_office, also concept_branch_offices) and localisation/english, Stellaris Cygnus v4.5.2 (9776).