An even bigger debate here in France, is to have people's DNA stored anywhere at all, let alone if it is by some private company (not Police, medical or Gov. organization). It is a serious thing that put in perspective the question on where the limits are in terms of people's privacy.
We do not know what these agencies/organization do with the information even you sign some type of contract/agreement.
I hope you find what you want but I am not sure this will attract a lot of people in Europe.