Formal to Client
Workplace · Email
お世話になっております。先日はご連絡いただき、ありがとうございました。 — Thank you for your continued support. Thank you for reaching out to us the other day. (Workplace · Email, Formal to Client, JLPT N4)
You
お世話になっております。先日はご連絡いただき、ありがとうございました。
おせわになっております。せんじつはごれんらくいただき、ありがとうございました。
Thank you for your continued support. Thank you for reaching out to us the other day.
Romaji: Osewa ni natte orimasu. Senjitsu wa gorenraku itadaki, arigatou gozaimashita. / Reply Romaji: Kochira koso, osewa ni natte orimasu.
Reply
こちらこそ、お世話になっております。
こちらこそ、おせわになっております。
We appreciate your continued support as well.
Gesture & etiquette
(Email context) Use formal fonts and avoid emoji or casual punctuation. Leave a blank line between each paragraph. End every email with a closing like 'Yoroshiku onegai itashimasu' (I look forward to your continued support).
Osewa ni natte orimasu is the mandatory opening for almost all business emails and calls in Japan — it literally means 'you have been taking care of me' and maintains the mutual-debt structure of Japanese professional relationships. Skipping it feels abrupt and unprofessional.