Business Sympathy Cards

I need to send flowers to a company with whom we work, an employee died. I also send flowers on behalf of another group, my boss chair. I send these to a group of people in the care of a person. What on earth can I say? It seems that this should be easy ... How do I respond to a group of collaborators, seems strange to say Dear (insert name of company) Should I fix or do I:

Our deepest sympathies are with you at this time.

Our thoughts and prayers are with you,

(Company Name)

Yes, just add this, keep it in general.