This issue is not limited to business travel, but there are no forum on hotels, so here it is.
With many hotels, including 5 star hotels, now offering pet-friendly services, it is quite possible to book a pet-friendly hotel without realizing. (Even information on tripadvisor on hotels pet policy seem unreliable)
For those who prefer to stay at pet-free hotels, would you actively filter out pet-friendly hotels and look for pet-free hotels when booking.