Here is the full list of all 6 Pocket Clothier achievements.
Proof of obtaining a Kairo suit as a reward from cumulative total sales.
Proof of running a clothier for many years.
Proof that you have won 1st place in 6 categories of annual rankings.
Proof of discovering more than 45 jobs.
Proof of expanding the store to the maximum.
Proof of successful first coordinating.