Hemming started his claims career in 2005 with IAGNZ in Wellington, New Zealand working within a claims centre. In 2007 he joined Crawford and Company in Australia, where over the next three and a half years he worked within the claims department primarily dealing with fuel contamination, liability, commercial and domestic claims. In 2011 he was promoted to a loss adjuster in Melbourne.
Over the next 5 years in Melbourne, Hemming dealt with commercial and domestic claims. During this time he studied loss adjusting at the Australian and New Zealand Institute of Insurance and Finance attaining ANZIIF (Assoc) level.
In 2015 Hemming left Crawford and Company. He then made the move to the United Kingdom and joined McLarens in May of 2016 as a Commercial Loss Adjuster.