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How to Tell Clients You're Leaving (and Keep the Relationship)

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

A thank you message to clients when leaving your company should thank them for something specific. Give your last day, introduce the person taking over and wish them well. Check your job contract and your employer's process before you send anything. Never use the goodbye to pull clients with you. A clean, generous handoff protects your good name and the relationship.

How you leave is what clients remember about you. A kind goodbye with a clear handoff shows you cared about their work, not just your sales. Clients talk. A graceful exit is often why past clients reach out on their own years later.

What makes it land is timing, thanks and a smooth handoff. Talk to your manager first. Many firms want to announce exits together, and some contracts limit what you can say. Then name a real memory and introduce the new contact warmly. Keep the focus on the client's needs, not your next move.

On this page
  1. 10 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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10 examples to copy

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1. Standard farewell with successor introduction (email)

Subject: An update on your account, and a thank you

Hi [Name], I wanted to let you know that my last day at [Company] will be [date]. Working with you on [specific detail, e.g., the warehouse expansion] has been one of the highlights of my time here. [Successor name] will be taking over your account. They've been part of [specific detail, e.g., our project team for three years] and already know your setup. I've copied them here, and we'll schedule a short handoff call this week. Thank you for your trust and your kindness. Best, [Your name]

Why it works: It gives the client a date, a named contact and a plan. The change feels taken care of.

2. Joint announcement with your manager (email)

Subject: Introducing [Successor name] as your new contact

Hi [Name], [Manager name] and I wanted to share some news together. I'll be leaving [Company] on [date], and [Successor name] will be your main contact from here on. I've briefed [Successor name] on [specific detail, e.g., your quarterly reporting needs and the renewal in March], and [Manager name] will stay closely involved during the transition. It's been a real pleasure working with you. Thank you for everything. [Your name]

Why it works: Sending it with your manager shows the client the firm stands behind the change.

3. Long-time client you're close to (email)

Subject: Thank you for [number] great years

Hi [Name], After [number] years, I'm moving on from [Company], and my last day is [date]. I couldn't leave without thanking you properly. I still remember [specific memory, e.g., our first meeting when the projector died and we drew the plan on a napkin]. You made this job better, and I've learned a lot from working with you. [Successor name] will take great care of you, and I'll make sure they have everything they need. With gratitude, [Your name]

Why it works: A shared memory makes the goodbye personal. The line about the new contact keeps the focus on their needs.

4. Last working day note (email)

Subject: My last day at [Company]

Hi [Name], Today is my last day at [Company], and I wanted to send one final thank-you. Working with you and your team on [specific detail] has been a privilege. As of tomorrow, please reach out to [Successor name] at [email] or [phone] for anything you need. They're fully up to speed. Wishing you all the best. [Your name]

Why it works: A last-day note closes the loop. It repeats the new contact's details in case the first email got lost.

5. Retiring from the profession (email)

Subject: Retiring, and thanking you

Hi [Name], After [number] years in [industry], I'm retiring at the end of [month]. Clients like you are the reason this career has been so rewarding. Thank you for your trust, your patience and [specific detail, e.g., all those early morning site visits with coffee]. [Successor name] will be your contact going forward, and I've shared everything I know about your account with them. I'll miss our conversations. Warmly, [Your name]

Why it works: A retirement note can be openly warm and sentimental. Clients like that after many years together.

6. Short text to a client you usually text (text)

Hi [Name], wanted you to hear it from me: I'm leaving [Company] on [date]. [Successor name] is taking over and is great. Thank you for being such a pleasure to work with!

Why it works: They hear it from you, in the channel you already use. That respects the bond.

7. When the client asks where you're going (email)

Subject: Re: Where are you headed?

Hi [Name], Thank you for asking, that's kind of you. I'm joining [new employer or field] as [role]. Under my agreement with [Company], I'm not able to discuss your account or work together going forward, so [Successor name] is the right person for anything you need. I've really enjoyed knowing you, and I hope our paths cross again. Best, [Your name]

Why it works: It answers honestly and stays within your rules. It points the client back to the right contact.

8. Leaving on short notice (email)

Subject: A quick change on our side

Hi [Name], I'm writing to let you know I'm leaving [Company] sooner than planned, with my last day on [date]. I'm sorry for the short notice. Your work is in good hands. [Successor name] is taking over, and I've written up the status of [specific detail, e.g., the open invoices and the June install] for them so nothing falls through. Thank you for being such a great client to work with. [Your name]

Why it works: You say sorry for the timing and show a written handoff. That eases worry about a rushed exit.

9. Handwritten card for a key client (card)

[Name], Thank you for [number] years of trust, good humor and [specific detail]. Working with you has been a real highlight. You're in great hands with [Successor name]. All the best, [Your name]

Why it works: A handwritten card is a personal goodbye. It doesn't rely on your work email, which will soon be gone.

10. Personal goodbye with no business content (text)

[Name], it's been a joy working with you these past [number] years. I'll miss our calls. Wishing you, [family member or team], and the [specific detail] project all the best!

Why it works: Keeping the last personal note free of business shows the bond was about more than the account.

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

If a client doesn't reply, that's normal. The intro to the new contact is what matters, so confirm they've connected before your last day. Answer replies warmly and send business questions to the new contact. After you leave, a personal link on a work network is usually fine. Check your contract before any business contact. Keep notes personal, like congrats on news or holiday wishes. Fully respect any waiting period. Let clients reach out to you when they choose.

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

Taking your network to the next job? Capstone keeps your contacts, notes and where you met in your own account. Your clients stay a call or text away, wherever you work next.

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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 tell clients you are leaving the company?

Talk to your employer first. Then send a short, warm note that thanks the client, gives your last day and introduces the person taking over. Many firms like a joint note from you and your manager. Keep the focus on smooth service, not on where you're going next.

Can I tell clients where I'm going when I leave?

It depends on your contract and your employer's rules, so check them before you say anything. Some contracts limit what you can share. Some bar you from contacting clients for a time. If you're unsure, ask your employer or a lawyer. When in doubt, keep the goodbye about thanks and the handoff.

When should I tell clients I'm leaving my job?

Tell clients after your employer agrees on the timing and the handoff plan. That is usually one to two weeks before your last day. It leaves time for a handoff call with the new contact. Telling clients before your employer knows can hurt trust on both sides. It may also break your contract.

Should I connect with clients on a professional network before I leave?

Connecting on a personal level is common, but read your contract first. Some limit contact with clients after you leave. If you connect, keep it personal. Avoid any message that asks for their business. Let the official handoff to the new contact do its work.

What do you write in a goodbye email to a client on your last day?

Thank them for something specific and confirm it's your last day. Repeat the new contact's name, email and phone. Keep it to a few lines. A last-day note is a final courtesy. Skip the long thoughts. Make it easy for them to know just who to contact tomorrow.

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