Lead-Focused Google Ads Revamp

We want our Google Ads account to start producing consistent, affordable service-sign-up leads. We've run campaigns before, but the results weren’t strong enough, so the account holds some historical data that now needs a sharp audit and a fresh strategy... (Budget: £10 - £15 GBP, Jobs: Advertising, Conversion Rate Optimization, Digital Marketing, Google Ads, Google Adwords, Google Analytics, Internet Marketing, Marketing)