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We are a group of IT Specialists who bring together a particular set of skills from the world of Information Technology and Communications. We have experienced engineers from both the private and public sectors. With over 100 years of joint experience the company was established in the late 90s, initially as a database system designer, at a time when the IT environment expanded rapidly and hardware innovations were growing exponentially. Our IT Support engineers cover London and the south east and also specialise in remote support.

At Onsem, customer service and support are at the core of our business. Our clients have found that our flexible IT support solutions provide them with the most cost effective IT support service available in London and the south east.