All the agencies are the same. They basically facilitate the hiring process and process your salary.
Beyond that, they offer nothing. No support and more than happy to toss you under the bus to appease KAL.
Covid showed how useless they were when the expats were shown the door. No compensation and coerced everyone into accepting a force majeure clause under pressure of not being recalled.
Some points to consider before applying are how the expats were treated during covid and even during the recall. Some guys were recalled, only to be terminated during training for medical issues without allowing for follow up.
The Asiana merger is still in play. However it goes, there is a real possibility of laid off local pilots and that doesn’t look promising for expat pilots.