Google Ads is the most widely used digital advertising platform, and for many UK businesses it is the first paid marketing channel they encounter. The platform's reach and the intent-rich nature of search advertising make it a significant opportunity — but one that requires understanding to use effectively rather than expensively. Knowing what Google Ads is and how it works is useful context before committing any budget.
Google Ads allows businesses to display ads across Google Search, Google's partner websites, YouTube, and other Google properties. The most commonly used format is search advertising — ads that appear at the top and bottom of search results when users search for relevant keywords. Advertisers bid on keywords in an auction system, and the position and cost of the ad are determined by the bid, the relevance of the ad, and the quality of the landing page it points to.
Google Ads can deliver targeted traffic with clear commercial intent, but poorly managed campaigns can spend budget without delivering meaningful results. Testing with a modest budget, targeting a small number of highly relevant keywords, and tracking conversions accurately are the foundations of effective management. Our guide to Google Ads for UK founders covers how to get started and avoid the most common mistakes.