Email template · Employee announcements
Work anniversary email
In short
A work anniversary email thanks an employee on the anniversary of their start date and recognizes what they have contributed in that time. The best ones name something specific the person did this year. Below are four templates (manager note, milestone year, team announcement, first anniversary), subject lines, a short text message and tips for running anniversaries at scale.
When to send it: Send it on the anniversary date itself, or the working day before if it falls on a weekend or holiday. Milestone years (5, 10, 15, 20 and up) deserve a manager note plus a wider announcement.
Work anniversary email: 4 versions
From the manager
SubjectHappy [Number]-year anniversary, [First Name]
Hi [First Name], Today marks [Number] years since you joined [Company]. Thank you. This past year I especially noticed [Specific Contribution, e.g. how you took on training the March and June classes while keeping your own quality scores above 95%]. That made a real difference to [Team or Outcome]. I'm glad you're on the team and looking forward to the year ahead. Let's grab [coffee / lunch] this week, my treat. [Manager Name]
Milestone anniversary (5, 10, 15+ years)
Subject[Number] years at [Company]: thank you, [First Name]
Hi [First Name], [Number] years ago today you started at [Company] as [Original Role]. A lot has changed since then, and you've been part of much of it: [Two or Three Concrete Moments, e.g. opening the Tampa site, moving the team to the new scheduling system, coaching six people into lead roles]. People here regularly tell me they go to you when they need [Something They're Known For]. To mark the milestone, [Recognition, e.g. you'll receive a service award and an extra day of PTO this year; details from HR to follow]. Thank you for [Number] years. [Manager Name] [Title]
Team announcement
SubjectCelebrating [First Name]'s [Number] years with us
Hi team, Please join me in congratulating [Employee Name], who celebrates [Number] years at [Company] today. [First Name] started as [Original Role] and is now [Current Role]. Along the way they [Specific Contribution]. If you've ever [Relatable Example, e.g. had a tricky billing escalation solved in ten minutes], you've probably benefited from [First Name]'s work. Drop [First Name] a note today, and join us for [Celebration, e.g. cake in the break room at 2pm]. [Manager Name]
First anniversary
SubjectOne year at [Company], [First Name]
Hi [First Name], It's been one year since your first day. Time goes quickly. In twelve months you've gone from [Starting Point, e.g. learning our systems in new-hire training] to [Where They Are Now, e.g. one of the people new agents ask for help]. That's a big jump, and it hasn't gone unnoticed. I'd like to set aside some time next week to talk about what you want the next year to look like. I'll send an invite. Happy anniversary, [Manager Name]
Subject line ideas
- Happy work anniversary, [First Name]
- [Number] years at [Company]: thank you
- Celebrating [First Name]'s [Number] years with us
- Happy [Number]-year anniversary, [First Name]
- One year at [Company], [First Name]
- Thank you for [Number] great years
- Congratulations on [Number] years, [First Name]
SMS and WhatsApp version
Happy [Number]-year work anniversary, [First Name]! Thanks for everything you do, especially [Specific Contribution]. Glad you're on the team. [Manager Name]
Placeholders to replace: [First Name], [Employee Name], [Number], [Company], [Specific Contribution], [Original Role], [Current Role], [Recognition], [Celebration], [Manager Name], [Title]
Why anniversary emails are worth getting right
Service anniversaries are one of the few recognition moments that are guaranteed to happen for every employee, which makes them a fairness test. People notice when a colleague gets a heartfelt note from their director and they get an automated card, or nothing at all. They also notice when the anniversary goes unmentioned in the year they were thinking about leaving.
Anniversaries line up with known attrition points. In many frontline and contact-center operations, the first-year mark and the period around it is a common time for people to move on, so a first-anniversary note that includes a conversation about what's next does real retention work. Pair it with a regular employee recognition email habit so the anniversary isn't the only time people hear thanks.
What to include
A strong anniversary message has three parts:
- The number of years, stated plainly
- One specific thing the person did, ideally from the last 12 months. This is what makes it read as written by a human.
- A forward-looking line: a conversation about the year ahead, a lunch, an award
For milestone years, add a line about where they started. "You joined as a part-time agent on the night shift" lands better than a list of titles. If you give service awards (gift cards, extra PTO, a gift catalog), say what they are and who will follow up. Note that in the US, cash and gift cards are generally taxable wages; tangible length-of-service awards can qualify for limited tax treatment under IRS rules. Check with payroll.
Running anniversaries at scale
In a 2,000-person organization, roughly eight anniversaries land every working day. Managers forget, especially when the employee joined before they did. Practical setups that work:
- A weekly digest to managers every Monday listing their team's anniversaries for the week, with the employee's start date and original role
- An automated HR note on the day as a baseline, so nobody gets nothing, plus the manager's personal note on top
- A monthly team or site roundup for milestone years
Use a central email tool to schedule the baseline note and the manager digest from HRIS start dates. Correct start dates first: rehires, acquisitions and conversions from temp or contractor status are where wrong dates come from, and congratulating someone on the wrong number of years is worse than silence.
The same digest can cover birthdays if your company celebrates them; see the birthday email to employee for that template.
Tone and personalization
Match the medium to the relationship. A frontline supervisor with 14 direct reports may do better with a two-line message and a word at huddle than a long email. A senior leader's milestone note can be longer.
Ask before announcing publicly. Some people dislike attention, and some prefer not to advertise how long they've been in one place. A simple preference field in your HRIS ("celebrate publicly: yes/no") avoids awkward moments.
Avoid jokes about age or "being part of the furniture." They read badly in writing and can create problems for long-tenured employees, who are often in an age-protected group under the ADEA.
Mistakes to avoid
- Wrong number of years from bad HRIS data
- Identical messages to everyone, which people compare
- Missing remote and night-shift staff from the celebration
- Only celebrating round numbers. Years one through four matter more for retention than year 15.
- Announcing it after the fact. Late is better than never, but a week late signals it was an afterthought.
Frequently asked questions
What do you write in a work anniversary email to an employee?
Mention the number of years, thank them for one specific contribution from the past year, and end with something forward-looking such as a lunch or a conversation about their goals. Keep it short and personal.
Who should send a work anniversary message?
The employee's direct manager. HR can send an automated baseline note, and senior leaders often add a message for milestone years such as 10 or 20.
What is a service anniversary email?
It is the formal version of a work anniversary message, usually from HR or leadership, marking milestone years and often announcing a service award. Many companies send one at 5, 10, 15 and 20 years.
Should work anniversaries be announced to the whole team?
Milestone years usually are, and a short team shout-out is common for any year. Ask the employee first if you are not sure; some prefer to keep it private.
What is a good short work anniversary message?
"Happy [Number]-year anniversary, [Name]. Thank you for [specific contribution]. Really glad you're on the team." One specific detail does more than a long paragraph of general praise.