The company · GIM Agency

Since 2009,
your Level Up partner.

A team of 20 people combining marketing, business know-how and consulting for businesses that want to grow.

Vasilis PapageorgiouVasilisPerformance
Angelos TsilinganosAngelosSEO
Argyro RaptiArgyroCreative
Katerina GkouskouKaterinaAdmin
Vicky KatsavouliaVickyPerformance
Panagiotis MakkasPanagiotisSEO
Christina PetrogianniChristinaCreative
Tasos EftychidisTasosB. Development
20experts in 4 teamsPerformance · SEO · Creative · Consulting
2009the year GIM began
1,000+businesses in Greece and abroad
10B2C & B2B industries
4.8 131 reviews on Google ↗
✓ Google & Meta Partner◇ Peak Awards 2025 Gold◇ ECDM Awards 2025◇ e-volution Awards 202516+ years in digital marketing · BCR² Methodology

What we believe

Strategy first. Then implementation.

We avoid aimless experimentation, but believe in the value of split testing.

Your project is our project too.

You gain a team of experienced specialists who deliver measurable results, guide you and advise you.

Marketing without business insight is not enough.

That is why we combine marketing with business know-how and ongoing advice.

Who we are

For business owners who are tired of standing still

We work with business owners who want a partner to help realise their vision for growth: specialists they can rely on for effective marketing and ongoing advice.

Who we work with

We are a good fit if…

  1. 01You want a complete approach to growing your business, beyond individual tactics.
  2. 02You want to avoid aimless experimentation, but believe in split testing.
  3. 03You want a knowledgeable, honest partner who thinks strategically and understands business.
  4. 04You believe the right solution takes research, advice and careful implementation.

What we do

Three services. One growth plan.

Performance Marketing

Google & Meta Ads, SEO, social, CRO and email. Our team runs the marketing mix your business needs.

Learn more →

Consulting & Training

Marketing audits, marketing plans and training, so you know where you stand and what comes next.

Learn more →

Business Coaching

A second mind by your side. Monthly consulting and business coaching to support decisions and overcome obstacles.

Learn more →

Our story

Since 2009, sharing the art and science of digital marketing in Greece

GIM was founded by marketing strategist Karolos Tsilingirian. Our team has written marketing books and created videos and training that opened new paths for marketing in Greece.

Karolos Tsilingirian
Karolos TsilingirianFounder & CEO · Marketing Strategist

Want to become our next successful case study?

Tell us about your business and your goals. We would love to discuss them with you.

Book a meeting

Real people creating real successes

Meet our team

The people who will work on your business.

Karolos TsilingirianConsulting

Karolos Tsilingirian

Founder & CEO

Rozy TsilingirianAccounting

Rozy Tsilingirian

Support & Accounting

Tasos EftychidisB. Development

Tasos Eftychidis

Business Development

Katerina GkouskouAdmin

Katerina Gkouskou

Account Manager

Vasilis PapageorgiouPerformance

Vasilis Papageorgiou

Head of Performance

Vicky KatsavouliaPerformance

Vicky Katsavoulia

Advertising

Vicky TiakoudiPerformance

Vicky Tiakoudi

Advertising

Vasiliki MegremiPerformance

Vasiliki Megremi

Advertising

Katerina KalliPerformance

Katerina Kalli

Advertising

Eirini KostoulaPerformance

Eirini Kostoula

Advertising

Christos KontourisPerformance

Christos Kontouris

Advertising

Apostolos PapageorgiouPerformance

Apostolos Papageorgiou

Advertising

Angelos TsilinganosSEO

Angelos Tsilinganos

Head of SEO

Panagiotis MakkasSEO

Panagiotis Makkas

SEO

Ilias BriolasSEO

Ilias Briolas

SEO

Spyros DerdemezisSEO

Spyros Derdemezis

SEO Copywriter

Argyro RaptiCreative

Argyro Rapti

Head of Social Media

Eleonora MatsoukaCreative

Eleonora Matsouka

Social Media

Christina PetrogianniCreative

Christina Petrogianni

Ads Designer

Giorgos KalapoutisCreative

Giorgos Kalapoutis

SM Designer

Join our team!Explore our vacancies →

Our industries

Industries we have helped

Track record in B2C & B2B, in Greece and abroad.

Retail
B2B
Manufacturing
Fashion
Restaurants
Energy
Communication
HR
Coaches & Consultants
Hospitality

They trust us

Since 2009, supporting 1,000+ businesses

Fantasy Shop
Rainbow Waters
Moutakis
goLearn
Pizza Fan
Dioptra
pet4u
Kollises
Explore our case studies

Why GIM

The strategic partner who understands both marketing and business

16+ years & 1,000+ businesses

Experience in e-commerce and lead generation, in Greece and abroad, since 2009.

An award-winning team of experts

Peak Awards 2025 Gold, ECDM Awards 2025 and e-volution Awards 2025.

Meta Business Partner
Google Partner
Criteo
Rakuten
Peak Awards
Klaviyo

Let’s talk

Tell us where you want to go

Complete the form and a GIM expert will contact you to discuss:

  • What you have tried and the challenges you face.
  • Which services your business needs.
  • What the GIM team can take on.
211 715 3031 ↗

Let’s get to know you

Annual investment range

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