Is it Wajib? Can one be done for whole family? Who gets the meat? When is the best time to do it? This and much more discussed in this video, according to the Islamic Shia School of Thoughts.
List of some organisations that offer Qurbani on your behalf:
Al-Ayan Foundation https://www.alayn.co.uk/
Noor Relief Fund https://www.nrf.org.uk/
Lady Fatima Trust https://ladyfatemahtrust.org/
Zahra Trust https://zahratrust.com/
World Federation Aid https://wfaid.org/