Performance marketing · London
MER vs ROAS for blended attribution in London
ROAS lies. MER tells the truth. London operators face the same mer vs roas for blended attribution discipline as global peers, with local context (timezone, channel mix, buying patterns) shifting which moves carry the most leverage.
- Category
- Performance marketing
- Location
- London
- Timezone
- Europe/London
Definition
What is mer vs roas for blended attribution?
MER (Marketing Efficiency Ratio) is total revenue divided by total marketing spend across all channels for a period. ROAS (Return On Ad Spend) is per-channel and platform-reported. MER captures blended performance including organic uplift; ROAS overstates last-click channels and understates upper-funnel.
How it lands in London
The London angle
Xpand Media runs mer vs roas for blended attribution for companies in London, remotely from Dubai, with the local context built in: Europe/London timezone, market-specific buyer behavior, and the platforms operators in United Kingdom actually use. The discipline is global; the operational rhythm is local.
Services that operate mer vs roas for blended attribution
Where mer vs roas for blended attribution sits in our work
- London · servicePerformance marketingPaid campaigns on Google, Meta and YouTube, plus LinkedIn for B2B, run by Xpand Media and reported against your own revenue data.
- London · serviceMarketing strategy and planningA marketing plan, channel priorities and oversight of your vendors, from an agency that also runs paid, outbound and web.
FAQ
MER vs ROAS for blended attribution questions from London operators
Should we ever look at ROAS?
What is a healthy MER?
How does MER interact with payback period?
Can MER be calculated weekly?
Does MER work for B2B with long sales cycles?
Run mer vs roas for blended attribution in London