Skip to content
Portfolio

Real results for
real businesses

Every project is different. What they have in common: measurable results, a clear strategy, and long-term collaboration.

200+

Clients since 2005

20+

Countries

14

Languages

98%

Client retention

Featured cases

Our most recent projects

Supermarkets

Lidl Spain

+50.4% visits in one year with SEO, content and local SEO for more than 350 stores.

Learn more
E-Commerce

Master Regale

+65% sales from a full SEO relaunch. Shelving online for B2B and B2C in Germany, Slovakia and the Czech Republic.

Learn more
GEO + SEO

Deutscher Consulting

#1 on Google for "Fractional CTO" and the first source in Google's AI answer for "CTO Coaching". GEO + SEO combined.

Learn more
Tourism

Palma Aquarium

Multilingual SEO for the most visited aquarium in Mallorca. Organic traffic as the main channel.

Hospitality

Meininger Hotels

International SEO in 6 languages for a hotel chain with a presence across Europe.

Fashion

Camper Shoes

Technical and content SEO for a global footwear brand with an online shop.

Hospitality

Major hotel chain

Digital marketing for one of the leading hotel chains in the Mediterranean.

Our team

“Every project we accept becomes our project. We're not just suppliers — we're partners who share your goals.”

Manuel Riveiro

Manuel Riveiro

CEO, ZDS

Equipo ZDS
🇪🇸 Barcelona
🇩🇪 Herdecke

Have a project in mind?
Let's talk.

Free initial consultation. No obligation, no small print.

Contact us