An association of wealthy collectors of rarities and curiosities, whose rules required that the vast hoard of the late Kerner Hauze be catalogued by Starfleet after his death.
The Collectors Guild is mentioned in the Lower Decks episode Kayshon, His Eyes Open. Kerner Hauze, a member of the guild, has died, leaving a ship crammed with relics, weapons, skeletons and oddities from across the galaxy, and the Cerritos is sent to inventory the estate.
An away team led by the ship's new Tamarian security chief, Kayshon, begins the catalogue, with Mariner, Jet Manhaver, Tendi and Rutherford assigned to help. The collection turns out to be protected by an automated defence system that treats them as thieves, and Kayshon is turned into a puppet early in the ensuing chaos.
The ensigns fight their way through the hoard and escape, and Kayshon is later restored. The episode's collector's ship recalls Kivas Fajo, the acquisitive trader who abducted Data in The Next Generation.