Google Ads Management
Full-service account management focused on profitable growth, efficiency and scale.
Learn more ->Google Ads growth for ambitious eCommerce brands.
We manage and optimise Google Ads for eCommerce brands across the UK & EU - focused on profitable growth, clean tracking, and fixed performance.
Google Partner
10+ Years Experience
Deep expertise in paid media and eCommerce.
eCommerce Focused
We work exclusively with eCommerce brands.
UK & EU Brands
Proudly supporting brands across the UK & EU.
Performance-Driven Strategy
Every decision is backed by data and focused on profit.
About Semstar
Specialist Google Ads agency for eCommerce growth.
Semstar is a performance marketing agency built for eCommerce brands that want more from Google Ads. We combine strategic campaign management, feed optimisation, and advanced tracking to drive measurable, profitable growth.
Account audits & recovery
Advanced tracking & attribution
Feed & Merchant Center optimisation
Landing page & CRO insights
High-ROAS campaign management
Transparent reporting & strategy
semstar
Our Services
How we help your brand grow.
Performance Max & Shopping
Expert setup and management of PMax and Shopping campaigns that drive results.
Learn more ->Merchant Center / Feed Fixes
Fix disapprovals, optimise feeds and hidden product visibility issues.
Learn more ->Tracking & Attribution
Server-side tracking, conversion measurement and attribution that fuels better decisions.
Learn more ->Landing Page Reviews
CRO-focused reviews to improve conversion rates and increase ROAS.
Learn more ->Growth Strategy
Data-led strategies and roadmaps to enable sustainable, profitable growth.
Learn more ->Home & Living Brand (UK)
Scaled revenue by 76% in 6 months with a refreshed strategy, feed fixes and PMAX.
ROAS 6.91xConv. +64%CPA -31%
Fashion eCommerce Brand (EU)
Full-funnel growth across 11 markets with Shopping and PMAX optimisation.
ROAS 7.34xConv. +68%CPA -28%
Beauty Brand (UK)
Recovered Merchant Center, improved tracking and scaled profitably.
ROAS 5.87xConv. +53%CPA -26%
What Our Clients Say
Trusted by eCommerce brands across the UK & EU.
5/5
"Semstar transformed our Google Ads performance. Finally, we're scaling so efficiently and things feel rock solid."
5/5
"Outstanding knowledge of Google Ads and Merchant Center. Semstar feels like an extension of our team."
5/5
"Transparent, proactive and results driven. Semstar feels like an extension of our team."
Our Process
Simple process. Serious results.
Audit
Audit
We deep-dive into your account, tracking, feed and competitors to find growth opportunities.
Strategy
Strategy
We build a data-led strategy tailored to your goals, margins and market opportunities.
Scale
Scale
We execute, optimise and scale campaigns to deliver profitable, sustainable growth.
Ready to scale your eCommerce brand?
Book a free strategy call and let's map out your next stage of profitable growth.