No account needed to sign
Anyone with the private link can add a message from their browser.
A Happy Tree Cards group birthday card is an online card that colleagues can sign together. It gives workplace organisers one private link for collecting messages, photos and videos from office-based, hybrid and remote team members before the employee’s birthday. Explore group cards for work
Make room for warm messages, office jokes and photos without passing an envelope between desks or leaving remote colleagues out.
Anyone with the private link can add a message from their browser.
Use extra pages for written notes, photos, GIFs and video messages.
Keep the card away from the recipient while organisers follow contributions.
Send it yourself or schedule the finished card for their birthday.
Choose from funny, warm and polished designs, then open any card to personalise it for your colleague.
Fresh birthday card designs for colleagues, ready for the whole team to sign.

01 / CHOOSE
Pick a design and add the recipient, sender and delivery details.

02 / INVITE
Invite the team through email, Slack or your usual workplace chat.

03 / DELIVER
Review the messages and choose exactly when the finished card arrives.
Learn MoreBuy one group card for the next birthday or choose a 5, 10 or 20 card bundle when your calendar is busy. Contributors never pay to sign, and there is no subscription required.
Pay for one group birthday card when the next office birthday comes up.
Keep a 5, 10 or 20 card bundle ready for a busy birthday calendar.
Colleagues add messages, photos, GIFs and videos, and never pay to sign.
Set the delivery date and keep collecting signatures until the big day.
Managing birthdays throughout the year? See organisation plans for shared planning and billing.
It used to be a nightmare passing a manila envelope around the office. Now, our entire company can chip in and sign from anywhere. Happy Tree Cards has completely transformed how we celebrate birthdays and send-offs!
From single celebrations to office-wide milestones, Happy Tree Cards pricing scales with your needs.
Pay as you go or save more with our popular bundles. No hidden fees or subscriptions required.

Group Signature




Ideal for HR, People and office teams coordinating employee celebrations throughout the year.
Special offer: Share credits with your team and get three months of Professional free with your 100 Group Cards.
Best for team organisers, office managers and People teams collecting birthday messages from colleagues in one or several locations.
The organiser shares one private signing link by email, Slack or another team channel. Colleagues open it in a browser and add their contribution without creating an account, while the organiser can follow progress before delivery.
Yes. Signing is browser-based and does not need to happen at the same time, so office-based, hybrid and remote colleagues across different time zones can all use the same card.
Contributors can add typed or handwritten messages, photos, GIFs and in-browser video recordings. Extra pages provide room as more people join, so the card is not limited by the size of a paper card.
Yes. Set a future delivery date and continue collecting signatures until the card is ready. Happy Tree Cards can deliver it on the selected day, or the organiser can send it manually when the celebration begins.
No. You can buy a single group card or a 5, 10 or 20 card bundle without subscribing. Organisation plans are intended for teams that need several organisers, shared planning, central credits and additional workplace controls.
Find the right setup for your occasion, role or workplace.
Buy one group card or keep a small bundle ready for workplace moments.
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ExploreChoose a design now and share the signing link when you are ready.