Stop vehicles from parking on the pavement

My wife has no freedom as we get constant flow of people parking on the pavement outside our home from two businesses a sunbed shop across the road and the next door neighbour constantly parking customers vehicles on the pavement outside my house with him and his family being in the motor trade. Also other vehicles parked on the pavement in neighbouring streets is making it impossible for disabled people like my wife from going to the doctor's and local shops.