Google Ads PPC averages $6.50 CPC. TikTok Ads is bought on CPM only, averaging $10.80. Analysis for United Kingdom in 2026.
The UK is Europe's largest digital ad market and one of the most mature globally, with roughly three-quarters of total media spend now flowing through digital channels. Google and Meta together capture more than 60% of that, but the UK has unusually strong adoption of programmatic display, connected TV (ITVX, Channel 4, Sky), and Amazon Ads relative to mainland Europe. CPMs trend 15-25% above the US in several premium categories — partly auction density, partly currency. The UK GDPR (post-Brexit) plus the ICO's increasingly assertive guidance on cookies and consent make first-party data strategy a real competitive advantage here, not an afterthought.
Search advertising on Google - pay per click on search results
Short-form video advertising on TikTok
The auction, the creative, the budget floor — the three things you actually need to know before picking a platform.
Google Ads runs a real-time second-price auction on every search query. You pay per click, and your effective CPC is a function of your bid, Quality Score, and competitor bids — high-intent commercial keywords (finance, legal, insurance) can 5-10x the platform average because auction density is brutal.
Responsive Search Ads: up to 15 headlines (30 chars each), 4 descriptions (90 chars each). Google mixes them dynamically. Sitelinks, callouts, and structured snippets are effectively required to stay competitive.
Budget floor to reach statistical signal: roughly $50–100/day per campaign, or $1.5K–3K/month per keyword theme. Below that, learning phase never stabilizes.
TikTok Ads runs on CPM ($8–12 typical, higher for premium placements like TopView). CPC is available but the platform's optimization heavily favors CPM-bid campaigns. Auction density is lower than Meta but growing quickly; creative quality dominates.
9:16 vertical video (1080×1920), 9-60s (best performance 15-30s), native-feeling — polished ads underperform UGC-style creative here by 2-3x. Sound-on is standard. Captions optional but boost completion.
$500/day ($15K/month) is the practical floor for the Traffic and Conversion objectives to exit learning phase in a reasonable window. Smaller budgets work for Awareness and Video View goals.