By Elliot Gulliver-Needham Mid-sized businesses are gearing up for a spending spree in the UK, with over half planning to invest more than £3m in expansion over the next five years. Mid-sized businesses, defined as those generating between £10m and £300m in turnover, have set out plans to funnel capital into growth, despite tough economic conditions. The group of companies, which account for a quarter of all UK jobs, pointed to government assistance in the effort as a top priority, according to data from accountancy and business advisory firm BDO. Indeed, 45 per cent said the new government sh…