I've requested app development and am currently publishing it, but I can't contact the app development company and am unable to pay the annual fee to Apple. I don't know my registered account, so what should I do? I contacted Apple Japan, but they only handle personal inquiries and cannot handle business app development requests, so they suggested I post a question on this website. Thank you in advance.

I've requested app development and am currently publishing it, but I can't contact the app development company and am unable to pay the annual fee to Apple. I don't know my registered account, so what should I do? I contacted Apple Japan, but they only handle personal inquiries and cannot handle business app development requests, so they suggested I post a question on this website. Thank you in advance.

アプリ開発を依頼して公開中ですが、 アプリ開発会社が倒産し、連絡もつかず、 アップル社への年間料金の支払いができません。 登録アカウントがわかりませんので、どうしたらいいでしょうか？ よろしくお願いいたします。