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Work Anniversary Messages for Clients, Contacts and Colleagues
A good work anniversary message congratulates the person on the number of years. Then it names one thing they built, fixed or made easier in that time. That detail is what makes it land. Keep it to two to four sentences, send it on the day, and leave out any ask. A text works for close contacts. For clients and senior people, send a short email.
Work anniversaries are a rare reason to reach out that's about the other person and comes with a set date. A short note tells a client, former colleague or contact that you noticed their career, not just your deal. It's also easy to reply to, which restarts quiet threads.
Most of the notes they get that day are automatic. What sets yours apart is one real detail. Name the project you saw them run, the team they grew or the role they started in. Say it plainly, and stop. Short and specific beats long and polished every time.
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Free, no signup. The example is filled in: press the button, then replace it with your own situation. In Capstone, a message like it is written for each person you know when their check-in is due.
10 examples to copy
One message is easy. Hundreds of people, all year, is the hard part. Capstone Outreach puts everyone you know on a rhythm you pick, from weekly to every three months. When someone is due, a message like these is already written in your voice from your history with them. You approve it, and it goes from your own email or phone. See how it works.
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Everyone on a rhythm. Who is due, and when. Recorded in the app on a demo account.
1. Client contact's anniversary at their company (email)
Subject: [Number] years at [Company]
Why it works: It ties your congrats to a real result you saw from outside, the kind of credit people rarely get from vendors.
2. Former colleague you haven't talked to in a while (text or direct message)
Why it works: A shared memory makes the note personal and gives them something easy to reply to after a long gap.
3. Milestone 10-year anniversary (email)
Subject: Ten years, [Name]
Why it works: Tracing their path from their first role shows you've paid attention for years, which is the point of a milestone note.
4. First-year anniversary for someone who joined a new company (text)
Why it works: Recalling the choice behind the move turns a congrats into a real conversation starter.
5. Colleague on your own team (card or message)
Why it works: Naming the unseen work is what colleagues remember, because it's rarely said out loud.
6. One-liner for a LinkedIn notification
Why it works: One specific phrase lifts it above the default reply everyone else sends from the same alert.
7. Contact you want to reconnect with, no ask (email)
Subject: Congrats on [number] years
Why it works: Asking about their past work shows real memory and gives them a reason to write back with no pressure.
8. Referral partner or someone who sends you business (email)
Subject: Happy work anniversary
Why it works: It pairs the congrats with thanks for the relationship, which strengthens the partnership without asking for more.
9. Senior executive you know a little (short email)
Subject: [Number] years at [Company]
Why it works: Keeping it brief and saying no reply is needed respects a busy inbox while still getting noticed.
10. Light, warm note to a work friend (text)
Why it works: Humor from a shared experience feels personal, and the offer keeps the friendship active.
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
- Send on the anniversary date itself, in the morning their time. If it falls on a weekend, send the Friday before or the Monday after.
- If you only saw it in a social alert, still send a direct message, not a reaction. Send it the same day.
- Keep it apart from any business request. If you need something from them that week, wait a few days after the note.
- Give milestone years (5, 10, 15, 20) a little more, like a longer note, a card or a call. Ordinary years need two sentences.
- If you missed it, send within a week and say so lightly. After that, wait for a different reason to reach out.
Subject lines
- Congrats on [number] years
- [Number] years at [Company]
- Happy work anniversary, [Name]
- Ten years, [Name]
- A milestone worth marking
- Congratulations on the anniversary
- [Number] years and counting
- Saw the news, congratulations
- Here's to year [number]
- Celebrating your [number] years
- Quick congrats on your anniversary
- [Name], happy [number]-year anniversary
What to avoid
- Don't send the default one-click congrats alone. It reads as automated, and nobody remembers it.
- Don't attach a sales ask, a meeting request or a deck to the anniversary note.
- Don't guess the number of years. Confirm it on their profile or in your notes before you write it.
- Don't make it about you or your company's milestones in the same message.
- Don't overpraise someone you barely know. One specific, accurate compliment beats three general ones.
- Don't joke about age or being 'stuck' at the same company. It can land badly in writing.
After you send it
If they reply, answer the same day and ask one question about what they're focused on next. If they don't reply, let it go. An anniversary note does its job just by being read. Log the date and the detail you mentioned, so next year's message can build on it. Between anniversaries, reach out every two to three months with something useful. Try an article, an intro or congrats on a new project. Then the relationship never depends on one date a year.
Building the habit: how to keep in touch with contacts and what a personal CRM does.
One note a year is not much contact Put clients and contacts on a rhythm, like every two or three months. When one is due, Capstone has the check-in written, with a note on what to say.
Start 14 days free, then $25/mo
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
What do you say in a work anniversary message?
Say congratulations, name the number of years, and mention one thing the person has done or built in that time. Close with a short good wish for the year ahead. Two to four sentences is enough. The specific detail does the work. Without it, the message sounds like every automatic reply they get that day.
Should I send a work anniversary message to a client?
Yes, if you have a real working relationship. A short note on a client's work anniversary is a no-ask touchpoint. It shows you see them as a person, not just an account. Keep it to the congrats and one observation. Never pair it with a renewal, invoice or pitch.
Is it okay to just like or react to a work anniversary post?
It's fine for loose connections, but it adds almost nothing. For people you want to stay close to, like clients, referral sources or former managers, send a direct message instead. One sentence with a specific detail stands out among dozens of identical reactions. It's far more likely to start a conversation.
How do you write a short work anniversary wish in one line?
Use the formula: congratulations, number of years, one specific detail. For example: "Congrats on five years at [Company], your work on [project] shows." Keep it under twenty words and skip generic adjectives. A one-liner works for social replies and texts. Use a fuller note for milestone years.
What should I write for a milestone work anniversary like 10 or 20 years?
Go a little longer than usual. Trace their path from where they started, and name a result they're known for. Thank them for something specific they've done for you. For close contacts, add a handwritten card or a call. Milestone years deserve more than the note you'd send for year three.