Boer War 1899 - 1902

Hello, I am researching my late maternal Grand Father, Laurence ANDERSON, he served in the 2nd Scottish Horse as a trooper, his service No was 28887, he was awarded the the QSA with clasps for Cape Colony, Orange free State, Transvaal, South Africa 1901 & South Africa 1902. Would appreciate any help. Regards, Alex paterson.