Need dog training cles on Sat/Sun in or near torpoint cornwall. Or Plymouth area?

Have behavioural and dog training problems with large 10month old German Shepherd Dog. Need help. Need cles on Sat/Sun due work commitments. Will not leave other dogs alone while walking on a lead. Gets very excited, jumps and barks. Wants to get across to them. Husband has to take him to vets as he very excited.