on your own if you have to go to public services and organizations simultaneously? See why you should choose one of the following processing companies in the Serres (Kentro) area. A company specializing in processing can: handle driver's license renewal or new license issuance, license extension, plate and vehicle registration replacement, as well as passport renewal or issuance, certificate application submissions, and finally handle powers of attorney, statutory declarations, and insurance stamp counting on your behalf.