Ask an Immigration Solicitor. Get an Answer ASAP.
Hi, thank you for your enquiry and your patience. I am not sure I understand your question. You will be applying online and you should select visitor visa and then on the drop down for reason you will select business if that is what they are coming for. I hope that is useful and I would be grateful for your rating at your earliest convenience. All the best
You have to go on the UKVisas website and apply from there so there is no physical form that you fill in and post.