Details of the company can be found here. They are not a Japanese company. NHN Japan is one of their subsidiaries, so Comico and the rest.

JusToon merged with Comico Korea.
Acquired Smack Jeeves.
Pocket Comics for English and French translations (change language at the bottom of the page).

Comico Japan
Comico Japan website 2
Comico South Korea

On 19th June 2025, Comico Korea announced it's termination of service with ongoing series publishing schedule will end on 15th July 2025 and service termination is on 31st Oct 2025.

Please indicate the original publisher and platform. The exception is for manhwa published first in Japanese and then in Korean; you can put the platform on both (Comico Japan & Comico Korea). This is a bit confusing, but please understand that this system is new and becoming popular as the webtoon market has become very popular in Japan lately, so please only include the parties involved in the cross-production like this.