This sounds highly unlikely, and might be Russian propaganda to split the extremely strong alliance between Denmark and Ukraine.
This is the home page of the company:
https://balticcontrol.com/about-us-1
Unfortunately I don't understand the language of the article, but obviously it would not be legal under Danish law to help Russia, and obviously not to steal Ukrainian grain either.
If the claim of the headline were true this would be a major scandal in Denmark.
Edit I did put the article through translation, but it quickly devolved into a graphics nightmare that is near impossible to navigate.