This article explains the origin and meaning of “osewa ni natte orimasu,” along with the most common mistakes people make when using it in business.
The Origin of “Osewa ni Natte Orimasu”
The phrase originally referred to ordinary, everyday conversation between people. During the Edo period, its meaning shifted toward “making an effort on someone’s behalf” or “looking after someone.” It began appearing in letters during the Meiji and Taisho eras, and by the postwar period it had settled into the standard business greeting we know today.
The Meaning of “Osewa ni Natte Orimasu”
At its core, this is a polite way of expressing gratitude for the good relationship the other person has maintained with you. It combines respect toward the listener with humble language about yourself, which makes it one of the more formal expressions used in Japanese business.
Why Is It Used So Often in Business?
It Works as a “Cushion” to Open Conversations and Emails Smoothly
Used right before the main topic, it signals a friendly attitude and helps remove any sense of distance between you and the other person.
It’s Efficient Because There’s Little Room for Doubt
Since it fits so many situations, it has become a kind of “safe greeting.” This means less time spent wondering how to open a message, and a quicker path to the actual topic at hand.
Common Mistakes When Using It in Business
| Mistake Pattern | Common Mistake Example | Correct Expression | Why It’s a Mistake |
| Using it with someone inside your own company | To your manager: 「山田部長、いつもお世話になっております。」 (Manager Yamada, thank you for your continued support.) | 「山田部長、お疲れ様です。」 (Manager Yamada, thank you for your hard work.) | Inside the company, the standard phrase is otsukaresama desu, not osewa ni natte orimasu. This phrase is meant for people outside your organization, and the two are easy to mix up. |
| Using it with someone you’ve never contacted before | First message to a new client: 「いつもお世話になっております。」 (Thank you for your continued support.) | 「突然のご連絡にて失礼いたします。」 (Please excuse this sudden message.) 「初めてご連絡差し上げます。」 (This is my first time contacting you.) | Saying “always” (itsumo) to someone you’ve never exchanged messages with sounds unnatural and overly mechanical. |
| Using it as-is after a long gap in contact | Reaching out again after six months: 「お世話になっております。」 (Thank you for your continued support.) | 「大変ご無沙汰しております。」 (I apologize for the long silence.) | After a long period without contact, it’s natural to open with an acknowledgment of that gap first. |
| Saying “Osewa-sama desu” instead | To a client: 「〇〇様、お世話様です。」 (Mr./Ms. 〇〇, thanks for your trouble.) | 「〇〇様、いつも大変お世話になっております。」 (Mr./Ms. 〇〇, thank you very much for your continued support.) | Osewa-sama desu carries the nuance of a superior speaking to someone below them, similar to “good job.” It can come across as disrespectful toward a client. |
| Using the wrong tense when leaving a company or ending a relationship | On your last day at work: 「今後ともお世話になります。」 (I look forward to your continued support.) | 「これまで大変お世話になりました。」 (Thank you very much for everything up to now.) | When expressing gratitude for the past, the past tense (osewa ni narimashita) is used, not the present or future form. |
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