Try in the guild recruitment section either PS4 NA or EU depending on your server. Trials are usually multi factional while PvP guilds tend to be one faction only so they are not usually the same guild with some exceptions
PUG Life - the true test of your skill
18 characters, 17 max level, at least 1 Stam and 1 Mag of every class, 1 of every race and 1200+ CP
Tanked to Undaunted 9+ Mag and Stam of every class using Group Finder for 90+% of the Vet Dungeon runs