For beeing in the guild, we are having the following bonuses:
Having access to a guild vault. Making anyone in the guild able to deposit and/or withdraw items from the thread below
Every meber in Aincrad Trading Post getting +2 EXP for each craft they make. They also get +5 to salvage rolls. (10+ for alchemy crystals, 6+ for everything else). If you are rank 9 you also get +1 crafting attempt/day. If you are rank 10 you get +2 crafting attempts/day.
You getting +5% more col from killed mobs nd +10% col from treasure chests.