ビジネス英語メールの書き方【テンプレート・例文付き】

ビジネス英語メールの基本構成

英語のビジネスメールは、以下の5つのパートで構成されます。

1. Subject Line（件名） — 簡潔かつ具体的に
2. Greeting（挨拶） — Dear / Hi / Hello
3. Body（本文） — 目的 → 詳細 → アクション
4. Closing（結び） — Best regards / Kind regards
5. Signature（署名） — 名前・役職・連絡先

件名の書き方

件名は開封率を左右する最も重要な要素です。以下のポイントを押さえましょう。

• 具体的に: ✕ “Meeting” → ◯ “Meeting Request: Q1 Budget Review – Jan 30”
• アクションを明示: “Action Required:”, “FYI:”, “Request:”
• 短く: 50文字以内が理想

場面別テンプレート

1. 初めての連絡

Subject: Introduction - [Your Company] x [Their Company] Partnership

Dear Mr./Ms. [Name],

I hope this email finds you well. My name is [Your Name], and I am the [Title] at [Company].

I am reaching out because [reason for contact].

I would love to schedule a brief call to discuss [topic]. Would you be available sometime next week?

Thank you for your time, and I look forward to hearing from you.

Best regards,
[Your Name]

2. お礼メール

Subject: Thank You for Today's Meeting

Hi [Name],

Thank you for taking the time to meet with me today. I really appreciated your insights on [topic].

As discussed, I will [next action] by [deadline].

Please don't hesitate to reach out if you have any questions.

Best regards,
[Your Name]

3. 依頼メール

Subject: Request: Sales Report for Q4 2025

Hi [Name],

I hope you're doing well.

I was wondering if you could send me the Q4 2025 sales report by Friday, January 31.

We need this data for the upcoming board meeting. If you need any additional information from my side, please let me know.

Thank you in advance for your help.

Kind regards,
[Your Name]

4. 謝罪メール

Subject: Apology for the Delay in Delivery

Dear [Name],

I sincerely apologize for the delay in delivering [item/service]. This was due to [brief reason].

We have taken the following steps to resolve this issue:
- [Action 1]
- [Action 2]

The revised delivery date is [date]. I assure you this will not happen again.

Please accept our sincere apologies for any inconvenience caused.

Best regards,
[Your Name]

5. リマインダー・催促

Subject: Friendly Reminder: Invoice #12345

Hi [Name],

I hope you're well. I wanted to follow up on the invoice (#12345) I sent on [date].

Could you kindly confirm whether it has been received and when we can expect the payment?

If you have any questions, please feel free to reach out.

Thank you for your attention to this matter.

Best regards,
[Your Name]

よく使うフレーズ集

書き出し

• I hope this email finds you well.
• Thank you for your prompt reply.
• Following up on our conversation…
• I am writing to inquire about…
• Just a quick note to…

依頼

• I was wondering if you could…
• Could you please…?
• I would appreciate it if you could…
• Would it be possible to…?

結び

• Please don’t hesitate to reach out if you have any questions.
• I look forward to hearing from you.
• Thank you in advance for your help.
• Please let me know if this works for you.

まとめ

ビジネス英語メールのコツは「簡潔・丁寧・具体的」の3つです。テンプレートを活用しながら、実際に書く練習を重ねることで自然に身につきます。英語コーチングラボでは、ビジネスシーンで使える英語力を鍛えるトレーニングを提供しています。