215+ Congratulations on Work Anniversary to Celebrate Years

Table of Contents

Introduction

The dates of the work anniversaries are more than dates. They have the joy of commitment, growth and personal improvements. In a workplace, when the colleague, the boss or a team member feels that they are recognized, they are valued. A simple message can go a long way and this will definitely work, when short, heartwarming and sincere. This guide has got welcoming and polite expressions that are used to celebrate work anniversaries. Every expression is constructed with sincere feelings as well as using simple terms. They are motivational in communiques in a card, email or social media post. To give you an idea of how to show appreciation, why not take up the following messages to celebrate?

Congratulations on Your Work Anniversary: Best Messages to Share

The section consists of best wishes that are heartfelt and quite versatile. These messages can be used on most occasions- sending congratulatory messages to a friend, a colleague, or someone you look up to.

Happy anniversary of working! You have also matured so well and you motivate every person that is close to you so much.
Happy work birthday to you! I appreciate your effort and good personality that makes every day better for all of us.
Wish you continued success in another year of doing what you do best. Your experience motivates all people with whom you work, helping to make our team stronger.
You lend heart, expertise and commitment to any endeavor. Your work anniversary is congratulated!
Each of the days I had you as a team member has been a present; your work and dedication are truly appreciated. Happy working anniversary to you!
We celebrate today your time, your talent and your teamwork. Congratulations on this wonderful anniversary!
We can see your development and loyalty every year. Happy anniversary of work!
Thanks to acting as a constant light at our place of work. Happy reaching another great year!
Your impact is noticed each and every day. Congratulations on the work anniversary to the leader of the heart!
One more year of success, growth and impact. Congratulations and thanks to everything!
It is a pleasure to realize your progress. Happy work anniversary Congratulations to you-many More to come!
Congratulations on the work anniversary! We feel the mood and the office is brighter with you.
You have deserved all the compliments to-day. Hip Hip Hooray to your work anniversary!
Since the first day of working to the present, great is what you have done. Good job in your progress!
You demonstrate to us the appearance of excellence day to day. May I congratulate you on this emotional occasion!

Simple and Professional Work Anniversary Wishes for the Office

These are impeccable messages to be used in the workplace, reflecting our employee engagement. Be respectful and kind regardless of whether it is a colleague, a subordinate or a boss.

Happy 1-year work anniversary to you. Your dedication and strength of work is an example, especially as we celebrate your coworker’s work anniversary.
Hoping for a successful work anniversary. Thank you so much as a useful constituent of our team.
Congratulations on working custom anniversary! We love your consistent performance and co-operation, which have been evident throughout your 20 years of hard work.
Happy to another year of success. We cherish the value that you add to this organization.
Each year was one step forward; here’s to many more years of growth. I congratulate you on this anniversary at work and all you have done.
I have had a good experience working with you. You are a successfully accomplished professional. Congratulations once again.
Anniversary at work! Your concentration and devotion are self explanatory.
You always go an extra mile. I hope your work anniversary goes well!
Hats off to this accomplishment. The team benefits through your service.
When you handle any project, your cares are present there. Happy work anniversary to you; let’s celebrate your thirty-year anniversary of dedication!
There has been admirable progress on your part here. Best wishes of another successful year.
Congratulations on a happy work anniversary! Happy success and–inspiration.
With wishes of more growth and success. Happy working anniversary.
Thanks to your consistent good and solid performance year after year. Congratulations on another year of your hard work and commitment!
I am glad that you are in the team. Happy anniversary in the workplace!.

Also Read: 145+ Best Good Morning Wishes for Friends to Make Them Smile

Happy Work Anniversary Messages for Coworkers and Colleagues

This friendly list is a nice way to send out a warm message to your favorite colleague or coworker. All of them are overfilled with gratitude and plain pleasure.

Warm labor birthday! You turn this place into a fun and friendly one. It is so pleasant to work with you, making this a great place to work.
Wish you a fantastic new year in the workplace! Your energy dear makes each day better.
Work anniversary is a victory for the team. You are a unique person!
You ease the work, and your contributions make this team better, along with the guffaws that are greater. Team work anniversary, Happy to work with you!
I can work with you the best, whether it is a coffee break or a deadline. Way to go another good year and happy 5th work anniversary!
Cheers to all the fun we have had and here is to your growth. It is your work anniversary!
It is because you make all the situations easier through your composure and gentleness. Special congratulations on your work milestone!
To a cheerful person who adds sunshine, help and laughter to each day, happy work anniversary.
You have worked a lot and made it possible even more; your appreciation for their hard work is evident. It is my pleasure to be your co-worker!
Happy anniversary! It is a better place to work at since we have you here, especially on your 20-year work anniversary, which deserves heartfelt wishes.
Every office has to have a star like you. Hurrah to another fine year and a fantastic work anniversary!
Happy anniversary! Your concepts and efforts really take me somewhere.
Come on, have a holiday with me today–you deserve all the compliments.
You have developed this year in every way. Well done work life!

Heartfelt Work Anniversary Wishes to Celebrate Contributions

Work anniversaries do not only commemorate the number of years spent but it is also about effort, passion, and commitment. These heartfelt Filipino Presidents’ wishes can be used to show appreciation of the valuable presence and continuous contributions of someone.

Many congratulations on your work anniversary! Your influence is experienced all around in this team. Thanks to your unwavering maintenance and fortitude.
You have accomplished more than a career in life, you have also gained trust, care and respect. Wow! It is a great work anniversary, celebrating your 10-year work anniversary!
Your path to success is a motivation. Thank you very much for all good thoughts and kindest actions in creating a positive work environment. Welcome to another happy work anniversary to a very special individual.
Whether it is the tiniest job or the greatest of ambitions your work is always noticeable. Happy anniversary and here’s to all you bring.
Happy work anniversary, hoping for love, respect and appreciation. You have also improved this workplace by all means.
You are doing a way beyond your department. You feel cozy, caring and uplifting. It is your work anniversary. Congratulations.
You not only make a job, you transform lives. Enjoy your work anniversary and thank you all you have done.
Thou encounter every obstacle with composure. Any victory you have with your team. It is nice to celebrate another significant work anniversary.
You are loyal and committed on a daily basis. Wishing you more success on your special work anniversary.
Your hard work is appreciated very much and your thoughtfulness is deep. You have left a permanent impression. Wonderful work anniversary!
To you I have always been a ray of hope. Best wishes to your gorgeous journey and bright work anniversary.
It is such a blessing to have a person who puts heart into any job. Merry anniversary and thanks a lot.
Not only do we get to be inspired by your work, but by your kindness too. Warm wishes on the work anniversary!
You have a career that is self-explanatory. But Thy verge is louder than thy kindness. Happy anniversary!
Wish you all the best in your future filled with the same happiness and love you gathered already. Wish you a happy work anniversary!

Short Work Anniversary Messages That Say a Lot

The simple good wishes are also the best sometimes. Such brief and concise messages will suit notes, cards or texts to congratulate people on work anniversary.

Happy working anniversary! May this be the start of another decade of hard work. Your talent and time is highly valued.
It is a work anniversary; happy work anniversary! Thank you, always do your best.
You have really touched people. Welcome to a successful year!
Time goes by quickly when you are doing something. It is a happy work anniversary!
With best wishes of success and development. Happy anniversary to you!
Another year of greatness! Well done and thanks.
To the future victories. Congratulations, it is a work anniversary!
And you play a major role in this team. Congratulations!
Thanks again to another year of blood, sweat and tears.
Here is another great chapter of another year. Congratulations on my work anniversary.
It is nice to have you on board. Congrats!
You are an important part. Anniversary in the workplace!
Each year you are more and more brilliant. Good luck and go on!
You are so proud of your development. Congratulations on my working anniversary, a testament to your hard work and dedication!
Hurrah! To your success hitherto–and to more in the future, especially as we celebrate your 25-year work anniversary!

Also Read: 200+ Best Good Morning Wishes for Sir with Honor & Grace

Formal Work Anniversary Greetings for Managers and Bosses

In wishing leaders, it should be in a professional and respectful way whereby one admires them. These official messages will be suitable with emails, cards, or LinkedIn messages, especially for sending simple work anniversary wishes.

Congratulations on my work anniversary. Your leadership has remained a source of motivation and strength to our team, making you a valued colleague and friend.
Wish you a lot more successful years of leadership that continue to inspire us all; your work is truly commendable. Thank you and happy work anniversary and your unconditional support.
Your commitment and experience-based knowledge define the path of our company. Congratulations to you because you have made it in this profession.
The ability to see a clear vision and lead steadily is also appreciated, especially during work anniversary celebrations. May you have a great working anniversary.
I appreciate that you always practise what you preach, making you a valuable part of our team. Your anniversary is a success and preserved good leadership.
Your leadership definitely counts. Good Job anniversary.
For more growth and leadership success. Best wishes on work anniversary and thanks a lot.
An outstanding leader produces other leaders. We all are inspired by your path. Congratulations!
With you, we are well. Happy anniversary at work.
In honor of your long serving commitment and leadership. Your efforts are very much venerated, especially as we celebrate your 30th anniversary with the team.
Our future is to be shaped by your decisions, care and vision. Stellar job done this year yet again.
Your input and guidance are precious to us on a daily basis. Good working anniversary.
A year of piloting the boat with power. Well done and thank you!
Service years characterize your character. I Wish you a happy anniversary of success and respect.

Friendly and Informal Work Anniversary Messages for Close Coworkers

Friendly and personal message is just the right option when you have a close colleague at work. These casual desires bring fun, care and appreciation in a single short message.

Another year? Wor, another year! Time passes when you have cool colleagues such as you. Wish you happy work anniversary, friend!
You reduce work to less work. Congratulations on the work anniversary and thanks for all the laughs and success!
To another year of nibbles, conversation and smashing achievements. Happy anniversary!
Thanks for being a good colleague and a good friend as well. It is your work anniversary, congratulations, you are the best!
You are killing it year by year! We are going to party your cool life today. Happy anniversary!
We had traffic jams and we got through them! We had deadline pressure and lack of coffee, and we survived! The legend and happy work anniversary!
You turn the 9 to 5, into 9 for fun. Many congrats on reaching another work anniversary!
You would win awards if there was an award given to the coolest coworker. Congratulations on a work anniversary!
Without you work would be dull. Happy new year again!
Happy anniversary to my favorite workmate!
Is it possible to think that this much time has flown by?–I guess that it is all due to being on laughs. Congratulations on my work anniversary!
Everything’s better when you make it with your energy. Thanks for being you—congrats on your happy 10th anniversary!
Whether it was a check-in, or the play-by-play of my team, you have made work enjoyable. Congrats, friend! It is your anniversary!
There have also been common aims, chatter and development. Kudos to another super year!
Happy work anniversary – and more breaks and luck in the future!

Also Read: 90+ Sweet Good Night Wishes for Cousin to Feel Special

Role-Based Work Anniversary Wishes for Every Position

Every position has its own contribution within the workplace, and yours is especially valued on this 25-year work anniversary. These messages make it possible to congratulate someone on a work anniversary with a well-grounded note depending on his or her job.

To a Manager:

You are the leader that defines our team-work every day. Hurray to your work anniversary and your further influence!
I wish you a successful and thankful work anniversary. Your direction counts best.

For a Developer:

Another year of coding to success. Tech wizard, happy work anniversary!
Without you nothing touches the smooth running. We congratulate another year of bright solutions!

For a Designer:

Your work is pixel perfect. Happy creative genius work anniversary.
Yay to another year of hues, thoughts and magic. You beautify the things!

For HR:

You are behind individuals at no other time. Thanks a lot to making hearts and systems balanced. Congratulations on my work anniversary!
This working environment is based on your goodness. Happy birthday!

For Sales:

Still another record and deal-year. Good job festival, sales star!!!
Each day you are passionate about growth. I wish you success and celebration of this anniversary!

For Interns:

You have your contribution already. Happy birthday at work to a bright future.
There might not be enough time, but you make a difference. Good luck, well done!

As an Administrative Staff:

You are attentive to detail that everything remains in place. Thanks and working anniversary!
You are the unsung hero of day to day victories. It is your anniversary, congratulations on another year of dedication and hard work!

The Team Leads:

You are strong on help and guidance. Congratulations on work anniversary to a genuine team builder!

Milestone Work Anniversary Messages (1, 5, 10, 20, 25 Years)

Work’s anniversaries measure years, milestones measure development, commitment and inheritance. These desires are topical years of dedication with love and pride.

1 Year Work Anniversary

A year on and already a splash! First Anniversary work congrats.
look how big you are in a year. I am proud of you- Happy 1st year in work!
A year of learning, growing, and shining. Wish there would be more of them!

Celebrating The 5-year work anniversary

Five years of victories, smiles and consistent work. It is a great milestone that you made and congratulations to you!
I see dedication and concern in your five-year course. Thanks and felicitation for the anniversary.
Five years of mighty work! Hoping you grow more.

10 years Anniversary in the workplace

Decade of commitment is not an insignificant achievement. Well done on 10 years of success!
Your ten years of service are a motivation and made a lasting impact on our team. Happy and proud birthday to you.
A decade of loyalty, strength and growth. Congratulations on my work anniversary!

20 th Anniversary of Work

Twenty years of influence. You are of this place the heart. 20 amazing years of congratulations!
20, I appreciate 20 years of trust, knowledge and heart. You are really welcomed!
The state of your progress within the past 20 years eloquently tells much of your journey. How happy I will be to congratulate you on this!

25 -year Work Anniversary

25 years of greatness! Your memory keeps increasing. Well done 25 years!
You have developed 25 years of this working environment. That is not something common. Congrats on the anniversary of your happy work bear!
We all owe you a blessing because of your 25 years of your journey. Thank you.

Inspirational Work Anniversary Messages to Celebrate Growth

A work anniversary is not only a date. It signifies growth, strength and self-improvement. You can say these inspirational quotes to tell them how you have gone so far and the amount that can be done.

Happy work day to you! You have really become a significant person and you have motivated us all.
You have encountered all these challenges this year and you have become stronger. It is an inspirational story. It is work anniversary day!
Every year you are learning, climbing, and leading by example. Happy work anniversary to you!
You have created your journey day by day, and we are thrilled to celebrate your 15-year anniversary. Your advancement stands as a reminder of how much you have achieved in your work over the past year. Happy anniversary!
You have made every difficulty a stepping-stone. Consider this work anniversary as a really great success!
Your career is characterized by perseverance, zeal and development. Welcome to this step and to the acquired success.
It is not your job but working on yourself daily. Congratulations on your work anniversary and best wishes to getting even more successful in the future!
This day serves to remind us that success is something constructed on a daily basis. You confirm the fact that the growth is consistent and robust. Congrats!
You have proved that when you work hard, have heart and hope, magical things can happen. Happy anniversary!
Hope that this work anniversary can drive you into greater dreams. You are halfway there–go on!
Not only are you a part of the team; you motivate the team. Congrats to the next year of development!
With every passing year you get more and more confident and able. Hoping to see you successfully and celebrate on this special day.
You have shown that good things come with time. Happy work occasion and awesome journey!
Your hard work results in greatness with every year going ahead. You are developing in the most healthy manner. Happy anniversary!
Continue to shine, grow and progress. And you are a living example to all, demonstrating hard work and dedication. Congratulations on my work anniversary!

Also Read: 200+ Sweet Good Night Wishes for Love to End the Day

Celebrate a Team Member’s Work Anniversary with a Thoughtful Card

When someone in the team achieves a goal, a heart-warming card will demonstrate that you care about what they do. Such greetings will be ideal when writing in a card in a warm and personal way.

You would contribute a lot to our team. Happy work anniversary Congratulations to your work anniversary
We are fortunate to have a person as trustworthy and a person as nice as you. Happy and proud anniversary to you!
I have been incredible working with you. Your effort gives motivation to all. happy anniversary inn!
It is because your team needs you, steady, strong, and helping it through all efforts. Best wishes on the anniversary, celebrating your hard work and positive attitude!
Whenever we are working with the most people say that time flies. Happy work anniversary to you!
Your energy and your spirit contribute to our development. Happy work anniversary to you!
You just simply come to work every day and do the best. Thanks stranger-and congrats on your anniversary!
You are a team player and we thank you. I wish you more and more success and appreciation of your work anniversary!
You have been a value-added performer since day one. Continue doing great things- Happy anniversary!
Working with you has been fun. Hooray to a wonderful year to come, filled with hard work and dedication!
We honour your loyalty and goodwill today. Happy work anniversary congratulations to you!
You are more than a colleague, you are the soul of our group. Happy anniversary!
Thanks a lot of us for being you. Your contribution really counts!
Welcome to work anniversary with pride and joy. You actually merit all the accolades.
You have a good reputation here. We are absolutely happy to share this special day with you!

Work Anniversary Wishes to Celebrate Achievements and Success

Another job anniversary is a major success. When one achieves a high point in his/her career or big achievements it is an ideal moment to acknowledge triumph. These wishes can be used to celebrate their accomplishments.

Happy work anniversary and on what you have achieved. You have deserved all your success!
This achievement demonstrates the way determination looks. Congratulations on all those successes, happy work anniversary!
You have accomplished so much and you remain down-to-earth. That is terrific greatness. Happy anniversary!
Your efforts have had the actual results, making this a memorable one-year anniversary. Happy work anniversary and congrats on all your achievements!
People like you, well-focused, driven, and kind, become successful. Best wishes on the proud work anniversary!
And in your numerous victories we rejoice to-day–and will hereafter. Certifications on your anniversary!
You have a life filled with lessons, strength and successes. Congrats on this working milestone!
You have left your print with every success. We are all motivated by your story. Happy anniversary!
Well done on all of those years of constructing, guiding and achieving. You are a star and this is your day!
You did not just get successful yesterday. It was a result of hard work and attention. Happy job anniversary to you!
You have gained more with every year and made other people grow, reflecting the essence of work anniversaries in the workplace. That is a real victory. Happy anniversary!
You have already left a great legacy behind. Wish all the best for your future as you celebrate this five-year work anniversary! Congrats!
Happy work anniversary to a person who makes it happen with heart and skill, turning the challenges into achievements!
You have had silent struggle and real power behind your success. Bravo on this work achievement.

Also Read: 210+ Sweet Sunday Good Night Wishes to Share with Love

Special Project-Based Work Anniversary Messages

There are anniversaries that follow a significant accomplishment or initiative. Such messages will let you celebrate the time of someone and his/her special contribution. It is the opportunity to respect the idea of work and achievement.

With your hard work in this large project, nothing was impossible. GREAT job to you on your work anniversary and great effort!
It was a difficult project, but you paid attention to details. Good work anniversary–you were a difference maker!
Without your work, we would not reach success. A great project won congratulations on a work anniversary.
In the test of things, you served to the best of your abilities. We found you, we are grateful. Happy anniversary!
Your talent can be evidenced by the success of the project. Have a Congratulations on your work anniversary and your terrific contribution!
Your enthusiasm, thoughts and follow up capabilities saw us to the end. Happy anniversary!
Your effort did not only complete the project, it also uplifted the entire team. Good job anniversary!
One year, one huge victory! The project widely shone due to your effort. Hoping you to be happy on your work anniversary!
You also did more than what was expected of you in the project. Without you we could never have done it. Happy anniversary!
You were the heart and brain in the work, showcasing your hard work and dedication. Your project outcomes are self-explanatory. Congrats!
It is good to have a guide through the highs and lows. I wish you a proud work anniversary!
It is an anniversary that has extra special feelings in it–because your project work was exceptional. Congratulations!
A great accomplishment and a great anniversary–well deserved. Congrats!
You brought in your best and made us win. Congratulations on the working anniversary and thanks a lot!
Today we honor your work, and in particular your project where you demonstrated your strength. Congrats!

Unique Work Anniversary Messages for Special Contributions

Then in other cases, a member of our team is conspicuous but the way is quiet and memorable, just like happy work anniversary quotes. These are the messages that serve to celebrate individuals that are not always those that lead, by shouting through the loudest voice–but they always leave an imprint by working hard and being compassionate.

Not only have you done your job but you have left a legacy. Happy anniversary
Your small movements made a great difference. We perceive it and appreciate it. Happy anniversary!
You improve the situation without requiring to be noticed. Constant perseverance is gold. Congratulations on my working anniversary!
You care about every work. It is not common and it counts. Happy anniversary to you!
I never fail to notice your support on bad days. It is you that makes things smooth. work anniversary To you!
Without you this company is better. Not only work, but heart. Congratulations!
You have made a change by being quietly powerful. Hoping you will be proud of your work anniversary!
Since the opening day, you have tried your best. The world celebrates that today. Wish you Happy Anniversary!
You might not want to be in the limelight, but you cannot go without light. Congratulations and Happy Anniversary and Thanks!
You help, repair and nurse-without complaint. And that is why it happens today. Congrats!
Your industry is one of our bedrock. Thanks to all this. Congratulations on the work anniversary!
You come, you assist, you construct. It is not just a job but rather leadership. Congratulations!
Your input does not scream, but glows. Happy anniversary!
Your mark came to be by hard work and finesse. Happy special day!
It is your strong silent gift. We graciously thank you today. Happy working anniversary!

Also Read: 200+ Good Night Wishes for Wife to Make Her Feel Loved

Congratulations Messages to Celebrate Work Anniversaries in Style

Searching for a fashionable but a bit modern way to wish a person about a work anniversary? Such are warm desires spiced with a bit of spice, which is ideal as cards, messages, or social share.

Your cap is off! Congratulations on the journey you have made in your steps of work; it’s a great time to celebrate your first work anniversary. Happy anniversary!
You have talent, style and effort. Congratulations on your work anniversary – cheers to another great year!
To time, talent and teamwork. Happy anniversary!
Yet another year of fab. Keep shining! Good luck with the work anniversary!
To the past and to the future. best of luck–happy birthday!
You have laboured hard, grown strong, and been kind. It is something to rejoice about. Congrats!
I hope your work anniversary would be happy and fashionable, as you deserve all the happy work anniversary wishes!
There is no other one like you. Congrats to this milestone and to all your victories!
The years come by, yet the echo of you remains. Enjoy your workplace anniversary!
Image, content and outcome. There was what you have been bringing in every year. Welcome to the work anniversary!
Feting you work today – and your vibe every day. Best wishes on another year!
You are not only good at what you do but you make work good. Happy anniversary!
Stay as the genius you are. To another splendid year. Congratulations!
Success, to you, is easy. That is talent. Happy great work anniversary!
It is not just enough to give it words about your work anniversary, and you should make it a party! Congrats!

FAQs – Congratulations on Work Anniversary

What is a good work anniversary message?

You are free to use a simple, warm, personal message as a thoughtful work anniversary message. Show our appreciation of the hard work, acknowledge their improvement and wish them the best. Appreciate and be respectful by using words. Such things as congratulating on your work anniversary can be said, e.g., you can congratulate on your one year anniversary. You make us all want to work hard to make a difference.”

What is a proper way to say congratulations on a work anniversary?

In order to make it professional, employ concrete and courteous terms. Work anniversary like a message should be such as, Wishing you more success in your work anniversary. Another thing you may express like this, is congratulations on this milestone. Your input is highly appreciated.” This is respectful and appropriate in formal environments such as via emails or personal cards in the office.

Is it possible to write a work anniversary message through email or WhatsApp?

Work anniversary message: Yes, you can deliver such messages via email, WhatsApp or even on social media. The only thing is to make sure that the tone is appropriate as regards your relationship with the person. It can come in a short message, out of kindness, such as Happy work anniversary! It is fantastic on any platform as you did great work and everyone must applaud you.

Why is the work anniversary message special?

When it is honest and personal, a message becomes special. Tell them something that they have done right or contributed to the team. Heart felt simple words count better than fancy talk. Your congratulations message on work anniversary can be even better with their name and a short memory added.

Is it my obligation to provide a present during a work anniversary?

It is also optional whether to give a gift or not and is subject to your company culture or your relationship with the recipient. Just a simple card with something written in it will go quite far. In case presents are the norm in your office, an easy-to-use-to-carry thing, such as a cup or a notebook, with your congratulations message is a good idea.

Suppose I forgot an anniversary of a person and his/her work?

It is alright to be slightly late. All you need to do is send an affirmative message the moment you remember. You may say, Late congratulations on your work anniversary! ” I see what you are doing and I appreciate all of what you are doing.” Good impression is always going to come after kind and honest acts even when you are late.

What should you say to the boss about the work anniversary?

Be respectful in writing to a boss and be sincere too, especially when recognizing work anniversaries. It could be something like, congratulations on your 20th work anniversary. This has actually been a difference made by your leadership. Hopes are with you to good luck. It is also possible to thank them, as well as their guidance and support, in an anniversary card. Make it brief and meaningful.

What is the length of a work anniversary message?

The good message is typically 1-3 sentences. You don’t want it to be so stiff that it is hard to read and at the same time you want it to touch people sensitively. Lay emphasis on appreciation and encouragement. Like, Happy work anniversary! Such value you can add to our team. It is simple and effective to wish a person more years of success: no more.

Is it possible to use humor in a message on work anniversary?

Of course, in case there is a cordial relationship between you and the individual, then a little humor can be awesome. Then just be sure that it is kind and positive. As an example, Congrats on getting through another year with us! Seriously speaking, you do a great job. Happy anniversary!” Never go with a joke that appears to be so personal or ambiguous.