Derek Hardy has been appointed as commercial director at DBi Services.Hardy has previously worked for Tarmac and Amey.Ross Bullerwell, managing director of DBi Services UK, said: “Derek is an outstanding addition to the DBi team, with a proven commercial track record from Tarmac and Amey.  Derek has filled a key position within DBi Services UK, supporting the push into new markets and adding fuel to our continued growth.”Hardy added: “I am delighted to have joined DBi Services particularly at this point in the company’s expansion. DBi’s growth and development in the USA, UK and international markets as a diverse service provider is amazing when you consider their origins. The strategy for supplying a diverse portfolio of services to a range of clients really appeals to me, particularly being involved with helping grow the business in the UK through organic growth and acquisitions.”