Become a donor

Become a sperm donor - and give life to the dream of a child

Help couples and singles make the dream of a child come true. You can get up to 500 kr. per donation. Find us in Aarhus, Copenhagen, Odense and Aalborg.

“I chose to become a sperm donor because I like the idea that I can help some people to achieve their dream. And I believe it’s a brilliant and beautiful thought, to think that I can provide the basis for a new life.”



Man reading about how to become a sperm donor at Cryos

This is how you become a sperm donor

Before you can start donating as a sperm donor at Cryos, you must go through a few steps. This way, we can make sure that you are healthy enough to become a sperm donor.  

See guide



A couple who has had help from a sperm donor to have their daughter

Karen and Cathrine got help from a sperm donor  

The couple, Karen and Cathrine, had a dream of starting a family together. For a lesbian couple, a decision like that takes a lot of considerations and, not least, a helping hand. Here you can read the story about how Karen and Cathrine became mothers by using donor sperm

Read more


“Well it’s just a great feeling being able to make a difference. Personally, I have some friends who have struggled with not being able to have children. It’s great knowing that there are people out there who you can help. It is a great feeling.”


Become a sperm donor at Cryos  

Would you like to help others fulfil their dream of having a child? And are you healthy? Then you can apply to become a sperm donor at Cryos. As a thank you for your time and help, you will receive financial compensation of up to 500 DKK per donation. 

Become a sperm donor in the world’s largest sperm bank 

Cryos is the world’s largest sperm bank. We have more than 30 years of professional experience with helping couples and singles fulfil their biggest dream of having a child. The sperm bank Cryos was founded in 1981 in Denmark. It all began when the founder, Ole Schou, had a dream about frozen sperm. He began to examine everything that was written on the subject. Ole Schou ended up being one of the leading experts in the field, and that was the beginning of Cryos which today have helped bring more than 60.000 children to the world. This achievement would not have been possible without the great help from our sperm donors 

Donor sperm to couples and singles around the world  

As a donor, you will be a part of helping lesbian couples, heterosexual couples and singles all around the world who struggle with fertility problems. Today, we distribute donor sperm for fertility treatment to more than 100 countries. Therefore, if you become a sperm donor at Cryos, your donations will benefit people all over the world and not just in Denmark.  

Become a sperm donor in Copenhagen, Aarhus, Aalborg or Odense 

Cryos have departments in Copenhagen, Aarhus, Aalborg and Odense, where you can become a sperm donor. You will be associated with the department which is nearest you but of course, you are also welcome to donate in other departments. In all our departments, we try to establish an informal and pleasant atmosphere. It is natural if the first visit feels a bit barrier-breaking but remember that we work with this every day.  

Apply to become a sperm donor at Cryos 

Would you like to help childless couples and singles? Here you can apply to become a sperm donor at Cryos. You are more than welcome to contact us via phone +45 86 76 06 99 or e-mail [email protected] if you have any questions.