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New Year Emails to Clients, With Subject Lines

By Shawn Gregoire, founder of Capstone Outreach · Updated October 2026

A new year email to clients should thank them for one specific thing from the past year. Wish them well on something you know is ahead, and stop there. Keep it under 150 words, written to one person. Use a subject line that sounds like a note from you, not a campaign. One real detail sets it apart from other greetings in their inbox.

Early January is one of the few times a client expects to hear from you with nothing to sign or approve. A good new year email uses that window to say thanks. It resets the bond for the year. Then your next real talk starts warm instead of cold.

What makes it land is that it reads as written to them. Use their name and mention a project or moment from the year. Refer to something on their calendar. A plain subject line and a short body signal a personal note. That is exactly why it gets opened and answered.

On this page
  1. 11 examples to copy
  2. When to send it
  3. Subject lines
  4. What to avoid
  5. After you send it
  6. Frequently asked questions
  7. Related messages

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11 examples to copy

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1. Formal new year letter from the firm to a client

Subject: Season's greetings and thanks from [Your company]

Dear [Name], As the new year begins, all of us at [Your company] want to thank you and the team at [Company] for your trust over the past year. Working with you on [specific engagement] has been a privilege, and your candid feedback has made our work better. We look forward to continuing our partnership in the year ahead and wish you, your colleagues and your families good health and a rewarding year. With appreciation, [Your name] [Title], [Your company]

Why it works: Some clients and industries expect a formal letter, and this one stays formal without losing the specific reference that makes it personal.

2. Year in review of the work you did together

Subject: Looking back on our year, [Name]

Hi [Name], As I was closing out the year, I made a list of what we got done together: [result one], [result two], and the one I'm proudest of, [result three]. That's a good year by any measure, and a lot of it came down to how quickly your team made decisions. Thank you. Wishing you and everyone at [Company] a Happy New Year. Best, [Your name]

Why it works: A short list of real results reminds the client of the value you delivered without you ever having to sell it.

3. Just wrapped a project in December

Subject: A good way to end the year

Hi [Name], Finishing [project] with you just before the holidays was a great way to close out the year. I know it meant some late days for your team, and I appreciated the patience. I hope you got a real break, and that [specific next step, e.g., the rollout to the other two offices] goes smoothly in the new year. Happy New Year! Best, [Your name]

Why it works: Linking the new year to a project that just finished keeps the momentum without turning the email into a status report.

4. Long-term client of many years

Subject: Another year, and still grateful

Hi [Name], This is our [number]th new year working together, which still amazes me. I remember when [Company] was [specific early detail, e.g., three people in a shared office], and it's been a pleasure watching it grow. Thank you for sticking with me through all of it. I don't take it for granted. Happy New Year to you and your family. Warmly, [Your name]

Why it works: Recalling where the client started honors your shared history. To a long-term client, that matters more than any wish for the future.

5. Short note for a client who prefers brief email

Subject: Happy New Year, [Name]

Hi [Name], Happy New Year! I know you like these short, so I'll keep it to this: thank you for a great year, and especially for [specific detail, e.g., the quick sign-off that saved the October deadline]. Looking forward to [next project or milestone] with you. Enjoy the first few quiet days of January. Best, [Your name]

Why it works: For a busy, brief client, respecting their time is itself the courtesy, and the specific detail still makes it personal.

6. Client contact who was promoted or changed roles this year

Subject: Happy New Year, and congrats again

Hi [Name], Happy New Year! Looking back, one of my favorite moments this year was hearing about your move to [new role]. It was well deserved, and I've enjoyed seeing how you've already shaped [specific change at Company]. Thank you for continuing to bring me into your work. I'm looking forward to supporting you in the new role this year. Best, [Your name]

Why it works: Celebrating the client's career move makes the email about them as a person. That strengthens your tie wherever they go next.

7. Email to the client's whole team

Subject: Thank you, team [Company]

Hi everyone, A quick thank you before the year gets going. [Name], [Name] and [Name], you made [specific project] a genuinely enjoyable one, from the kickoff in [month] to [specific moment]. I hope you all got some rest over the holidays. Here's to another good year working together. Happy New Year, [Your name]

Why it works: Naming team members credits the people who did the daily work. They are often the ones who recommend you inside the company.

8. New year email that suggests a planning call (soft ask)

Subject: Happy New Year, and a quick idea

Hi [Name], Happy New Year! Thanks again for a strong year on [specific project]. When we spoke in [month], you said [their goal] was a priority for this year. If it's useful, I'd be glad to spend 20 minutes in January sketching out how we could approach it. If the timing isn't right, no problem at all. Wishing you a great start to the year. Best, [Your name]

Why it works: When you do want a meeting, tie it to the client's own goal and make it easy to decline. That keeps the thanks sincere.

9. Advisor sending a useful reminder with the greeting

Subject: Happy New Year, plus one date to note

Hi [Name], Happy New Year! Thank you for another year of trusting me with [specific area, e.g., your family's finances]. One small thing for your calendar: [specific deadline or action, e.g., the estimated tax payment due January 15]. I'll send a reminder closer to the date, but wanted you to have it early. Wishing you a healthy, happy year ahead. Best, [Your name]

Why it works: A genuinely useful reminder makes the greeting worth opening, and it shows you are already thinking about the client's year.

10. International client with a different holiday calendar

Subject: Best wishes for the year ahead

Dear [Name], As we begin a new calendar year here, I wanted to thank you for a productive year of work together on [specific project]. Collaborating across [number] time zones has been easier than I expected, thanks to your team's organization. I wish you and everyone at [Company] health and success in the year ahead, and I look forward to continuing our work together. Kind regards, [Your name]

Why it works: Neutral wording respects that the client may mark the new year on a different date while still thanking them for something real.

11. Past client you haven't worked with in over a year

Subject: Thinking of [Company] this new year

Hi [Name], It's been a while since we worked together on [specific project], but it came up this week when someone asked me about a project I was proud of. So I wanted to say thanks, and Happy New Year. No agenda, just good wishes. I hope this year treats you and [Company] well. Best, [Your name]

Why it works: A real reason you thought of them plus 'no agenda' makes reconnecting easy. It keeps you in mind for when they need help again.

Sending these to more than a few people? See how people keep track of who to follow up with, and when: what a personal CRM does and the best personal CRMs, compared.

When to send it

Subject lines

What to avoid

After you send it

Reply to every response within a day. Note anything the client says about their plans. If there's no reply, let it rest, since the email asked for nothing. In four to six weeks, follow up with something useful tied to their year. Try an article, an intro or a short question about a goal they mentioned. After that, reach out for real every one to three months. Then the new year email isn't the only time they hear from you.

Building the habit: how to keep in touch with contacts and what a personal CRM does.

What about the clients you missed all year? Capstone shows which clients you haven't talked to in months. Start the year with a note to them first, written from your notes on each one.

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A study of 20 million LinkedIn members found that acquaintances, more than close friends, led to new jobs (Science, 2022). Capstone keeps those people warm. You approve every message, and it goes from your own email or phone.

Frequently asked questions

How do you start a new year email to clients?

Start with their name and the thank you, not a generic wish. For example, open with 'Hi Sarah' and thank her for trusting you with the spring launch. That reads as personal from the first line. Save 'Happy New Year' for the subject line or the close. Then the opening carries something specific.

What is a good subject line for a new year email to clients?

A plain, personal subject line works best. Good choices are 'Happy New Year, [Name]' and 'Thank you for this year' because they sound personal. It should look like a note from a person, not a campaign. Avoid words like 'offer,' 'exclusive' or 'special' in the subject. They read as marketing and are more likely to be filtered or ignored.

Can I send the same new year email to all my clients?

You can use the same structure, but each email needs at least one line written for that client. For a large list, a merge works well. It fills in the name and a personal sentence you wrote. For your most important clients, write each email one by one. They will notice the difference.

How do I write a formal new year letter to clients?

Use a formal greeting like 'Dear Ms. Patel,' and thank the client for their trust over the year. Mention the work you did together. Close with wishes for the year ahead, plus your full name and title. Keep it to two short paragraphs. Formal does not mean generic, so still include one specific detail.

Should a new year email to clients include an offer or call to action?

No, for most clients the email works best with no ask at all. If you truly want a meeting, tie it to a goal the client already told you about. Make it easy to decline. Promotions and discounts belong in a separate message, sent a few weeks later.

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