ABOUT AtoZ Serwis Plus Malta. AtoZ Serwis Plus Malta, s No.1 Immigration and Visa Consultancy services, and a registered Recruitment Agency supported by Malta lawyers and the world's largest B2C immigration firm. Established in 2009, our 6+ company owned and managed offices across Malta ,Portugal, Poland, Portugal, Germany, Dubai, Melbourne, Sydney, Romania, Canada, New Zealand, and 200+ employees served over 1 million customers.