Performance
Advertising measured in sales and leads, not clicks.
Vasilis PapageorgiouHead of Performance · team of 8
Your Level Up partner, since 2009
Ads, SEO, creative and consulting under one plan. Instead of four partners who never talk to each other, you have 20 people looking at the same numbers as you: sales and customer acquisition costs.
What we do
Each pillar has its own team and lead. They work to the same plan, so your ads, SEO and creative tell the same story.
Advertising measured in sales and leads, not clicks.
Vasilis PapageorgiouHead of Performance · team of 8
Get found on Google and in AI answers, without paying for every visit.
Angelos TsilinganosHead of SEO · team of 4
Social content, video and ad creatives that stop the scroll and bring in customers.
Argyro RaptiHead of Social Media · team of 4
A second mind for the owner: where you stand, what to do next and in what order.
Karolos TsilingirianFounder & CEO
Results
Product-data advertising and organic search in one plan. May to October 2024 compared with 2023.
Read the case study: Fantasy Shop →10+ campaigns became one Advantage+ campaign. ROAS +55.42% and cost per purchase −22.60%.
Read the case study: Unique Shop →Also trusted by






How we work
We work best with owners who want more than someone to run ads: a partner who thinks alongside them.
We start with research and a plan. We use split tests, not guesswork.
Reports on sales and costs, not vanity metrics. You always know what works and what we are changing.
We look at your offer, prices and margins, as well as your channels.

Our story
GIM was founded by Karolos Tsilingirian and is now a team of 20. We have written marketing books, teach seminars and work with our own methodology, BCR²: Research, Bring, Convert, Retain.
The team
Consulting
Performance
SEO
Creative
B. Development
Admin
Accounting
Performance
Performance
Performance
Performance
Performance
Performance
Performance
SEO
SEO
SEO
Creative
Creative
CreativeThe GIM ecosystem
Our team runs your marketing: Ads, SEO, Creative, Consulting.
Masterclasses, workshops and programmes that teach your team to do it themselves.
Explore the programmes →AI applications and automation that reduce manual work in your business.
Meet Ergonya →Let’s talk
Complete the form and a GIM expert will call you to discuss: