I want a police clearing certificate

I have lived in thailand for 5 years now but i got to go back to scotland for short time, i wanted to apply for a security job in scotland but before i get issued my licience they want a police clearing certificate here,i understand i got to get a fingerprint record canvyou help me get this before i go back to scotland in june or at least recommend someone that can help me thankyou so much mark rodgers