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GEO Strategy in 9 Simple Steps (No SEO Expertise Needed)

July 31, 2025

Karol Andruszkow
Co-founder and CEO of Concept21

SEO: The First Step to Driving Traffic and Growing Your Business

Struggling to understand SEO? This beginner’s guide explains the basics of SEO, why it matters for your business, and the different types of SEO.

July 22, 2025

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Karol Andruszkow
Co-founder and CEO of Concept21

Google AI Mode: How to Win Traffic in the New Search Era

Discover what Google AI Mode is, why it matters, and how to leverage it for higher rankings and better business results.

June 30, 2025

Karol Andruszkow
Co-founder and CEO of Concept21

How to Build an International SEO Strategy That Works?

Break into new countries with international SEO. Follow our expert SEO strategy for global reach, localization, and faster results.

SEO
International Growth

June 11, 2025

Laptop with messages with languages shortcuts

Karol Andruszkow
Co-founder and CEO of Concept21

Why Should You Make Your Website Multi Language?

Discover the key benefits of a multilingual website: reach more customers, boost SEO, increase sales, and gain a competitive edge.

Web Design
International Growth

May 30, 2025

Karol Andruszkow
Co-founder and CEO of Concept21

Google AI Overview: Key Statistics & Facts You Need To Know

Over 60% of searches end without clicks thanks to Google’s AI Overview. Find out what this means for your SEO—and how to win in the new search game.

May 26, 2025

Karol Andruszkow
Co-founder and CEO of Concept21

A Comprehensive Guide to Landing an Epic Marketing Internship

Don't miss out on this invaluable resource for aspiring marketers. Discover step-by-step strategies, networking tips, and expert advice to get an internship!

Marketing

April 24, 2025

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Karol Andruszkow

Co-founder and CEO of Concept21

Karol is a serial entrepreneur, e-commerce speaker, and founder of 3 startups. He advised hundreds of companies and was responsible for projects worth over EUR 50 million for financial institutions in Europe.

He earned two master's degrees - Computer Science and Marketing Management - from Poland and Portugal. He has over ten years of experience in Silicon Valley, Poland, Portugal, USA, and UK, helping startups, financial institutions, and SMEs improve their functioning through digitization.